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Join our dynamic team at Altersolutions as a Senior Software Engineer specializing in Java Spring Boot. We are seeking a highly skilled and motivated individual who thrives in a fast-paced environment and is eager to take on challenging projects. In this role, you will be responsible for designing, developing, and maintaining robust software applications that meet our clients' needs.
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Altersolutions
Join our dynamic team at Altersolutions as a Senior Software Engineer specializing in Java Spring Boot. We are seeking a highly skilled and motivated individual who thrives in a fast-paced environment and is eager to take on challenging projects. In this role, you will be responsible for designing, developing, and maintaining robust software applications tha…
Role overview nexton seeks a Senior Analytics Engineer with strong expertise in dbt and Snowflake. This Paris-based position centers on building and optimizing analytics solutions that transform data into actionable insights for the business. What you will do Work with teams throughout nexton to design, build, and refine analytics workflows Create and maintain data pipelines using dbt and Snowflake Monitor data quality and make improvements to ensure accurate reporting Deliver analytics and reports that inform business decisions Engage with stakeholders to understand their needs and develop data-driven solutions Impact This role plays a key part in supporting strategic decisions and shaping nexton's data initiatives. The results of your work will be visible and valued across the company.
iliad-free
Role overview iliad-free is seeking a Senior System Engineer to join the team in Paris. The position centers on designing, implementing, and maintaining complex systems that underpin the company’s digital solutions. This is a senior technical role with a focus on both new architectures and the ongoing evolution of existing infrastructure. What you will do Design system architectures for digital platforms Implement and maintain large-scale infrastructure Drive improvements for existing systems Work closely with technical teams to deliver reliable solutions Location This role is based in Paris.
Paris | Full-time | Fluent in French & English The e-commerce landscape is evolving rapidly, yet independent brands often find it challenging to compete with the logistical efficiency of industry giants like Amazon. At Bigblue, we are dedicated to transforming this reality.Our mission is to empower brands by providing access to top-tier operational capabilities, enabling them to grow swiftly while ensuring an exceptional customer experience.Since our inception in 2018, we have developed an innovative tech-driven logistics platform that currently supports over 500 brands, ranging from rapidly expanding direct-to-consumer enterprises to globally recognized names such as MUJI, Aigle, and Cabaïa. With a talented team of 110+ employees across Paris, Madrid, and London, and our proprietary Warehouse Management System (WMS) Atlas, we are tackling logistics challenges that others shy away from — making fulfillment processes faster, smarter, and more sustainable.Backed by over $20 million in funding and trusted by the next generation of e-commerce innovators, we are experiencing rapid growth — aiming to handle 10 million orders in 2024 and embarking on ambitious enterprise expansion. The future is bright, and we’re searching for the right partners to help us lead the charge.
About LedgerAt Ledger, we are a team of innovators dedicated to redefining digital ownership. Our mission is to empower individuals and enterprises alike through secure management of their assets, ensuring that technology is accessible for everyone. We envision a future where users, creators, and businesses have full control over their value. Driven by curiosity and a commitment to continuous improvement, we seek to inspire global change and support our team in challenging the status quo to develop cutting-edge solutions. Join us in making self-custody not only attainable but also a fundamental right.With our headquarters in Paris and a presence in several global cities including London, Geneva, and Singapore, Ledger stands as the leading platform for digital assets and Web3. We proudly secure over 20% of the world's crypto assets through our innovative Ledger devices, with more than 7.5 million units sold across 200 countries.The Team:Ledger Wallet serves as our flagship application, built on an Open Source monorepo utilizing React, Electron (Desktop), and React Native (Mobile). It supports various blockchains and integrates multiple decentralized applications (DApps).As part of the Platform Team, you will be integral to laying the groundwork for Ledger Wallet. Our focus extends beyond feature development; we construct the infrastructure that empowers other teams to deliver enhancements swiftly and securely.We are in search of a Senior Engineer to take ownership of our tech stack, refine our monorepo architecture, and facilitate the transition to micro-frontends. Your primary audience will be fellow developers, as you prioritize tooling, build speed, and overall Developer Experience (DX).
Alice & Bob is pioneering the development of the first universal, fault-tolerant quantum computer aimed at tackling some of the most challenging problems in the world. Our innovative quantum computer is based on a revolutionary type of superconducting qubit known as the Schrödinger cat qubit. Unlike traditional superconducting platforms, cat qubits possess the remarkable capability to autonomously implement quantum error correction!We are leading the quantum revolution, standing shoulder to shoulder with industry giants like Google and IBM, and we are rapidly expanding following our successful €100 million funding round in 2025 dedicated to advancing our unique technology.With over 100 talented individuals, including physicists, PhD students, engineers, and seasoned business professionals, we are united in our quest to achieve our ambitious vision. Are you ready to join us as a quantum pioneer and help reshape the future?About the Role:The Calibration Team is tasked with automating the calibrations of our Quantum Processing Unit (QPU) to maximize its performance and ensure its operational reliability. As a Senior Software Engineer within this team, you will be instrumental in architecting the automatic calibration software. You will collaborate closely with quantum scientists to develop, maintain, and enhance the calibration processes. Additionally, you will work alongside other software engineers across the organization to facilitate seamless integration of your team's software with other in-house software components.
About Our TeamAt SumUp, we empower businesses ranging from cafes and shops to bars and hair salons with our innovative Point-of-Sale (POS) solution. Designed to enhance operational efficiency and promote growth, our system includes features such as product catalogs, inventory management, business analytics, compliance support, and loyalty tools.Our POS solution seamlessly integrates into the SumUp SuperApp, compatible with both our proprietary hardware and mobile devices like tablets and smartphones.As a Senior Android Developer, you will be part of a dynamic, cross-functional team that includes Product Managers, Product Designers, Engineering Managers, and fellow engineers.About the RoleWe are transitioning towards a Kotlin Multiplatform (KMP) strategy that facilitates shared development between Android and iOS. In this position, you will have the opportunity to learn, refine, and implement this technology, significantly impacting the future of our mobile applications.If you are a developer who prioritizes user-centric design, precision, and effective collaboration, and you thrive in a cross-functional environment, we want to hear from you.
About KovaleeEstablished in 2020, Kovalee is revolutionizing the mobile app landscape with an ambitious mission: to empower app developers to achieve top rankings in their respective niches, irrespective of their resource limitations. Leveraging cutting-edge technology and our expertise in user acquisition, app store optimization, product enhancement, and monetization strategies, Kovalee enables developers to concentrate on their art while we propel their apps’ success. Our flagship applications, including Bend, PepTalk, and ParrotPal, exemplify our achievements, having reached the pinnacle of their categories.Honored as one of the fastest-growing startups of 2024 by Sifted, Kovalee boasts a vibrant, diverse team of over 20 professionals hailing from more than 15 different nationalities, all driven by a common vision: to redefine the mobile app industry.We invite you to join our team as a Senior Data Engineer. In this pivotal role, you will be instrumental in enhancing our data infrastructure. You will architect the team's strategic roadmap, optimize data workflows, and guarantee the delivery of reliable, high-quality data across the organization, empowering more informed decision-making in User Acquisition, Product Management, and Creative Development.
Join Our Team at KovaleeAt Kovalee, established in 2020, we are on a mission to revolutionize the mobile industry by empowering app developers to reach the pinnacle of their niche, irrespective of their resources. Our cutting-edge technology and deep expertise in user acquisition, app store optimization, product enhancement, and monetization enable developers to concentrate on their passion while we accelerate their app's growth. Our successful applications, such as Bend, PepTalk, and ParrotPal, showcase our commitment to excellence and our ability to drive results.Recognized as one of the fastest-growing startups of 2024 by Sifted, we are a diverse team of over 20 professionals from more than 15 nationalities, unified by a common goal: to redefine the mobile app landscape.We are seeking a Senior Software Engineer to become a crucial part of our team, responsible for creating and sustaining the foundation of our publishing platform. In this role, you will collaborate closely with operations to address real-world business challenges while helping us innovate rapidly and ambitiously. You will report directly to the CTO and work alongside another talented software engineer.
Join us in revolutionizing the shopping experience through AI-powered conversations.At Gorgias, we are pioneering a platform that transforms customer interactions into meaningful relationships. Our vision is to create a unified AI agent that assists, sells, and re-engages customers at every touchpoint in their journey. We believe that Conversational Commerce is the future of eCommerce, and we are at the forefront of this exciting shift.Our mission is to ensure that every brand interaction is personal, seamless, and intelligent. By merging our extensive product knowledge with cutting-edge AI technology, we aim to make the shopping experience feel increasingly intuitive and connected.To achieve this, we are committed to:Quality: Crafting authentic, brand-aligned conversations.Experience: Ensuring a smooth shopping journey from chat to checkout.Re-engagement: Fostering personal dialogues instead of intrusive marketing.With the rapid evolution of AI in retail, Gorgias is laying the groundwork for the next decade of eCommerce. We envision a future where every brand has its intelligent agent, and every customer feels valued and understood.Join us in making Conversational Commerce a reality.Team & ContextGorgias is an AI-first company dedicated to developing innovative products driven by large language models (LLMs) and agent-based systems. We are the leading conversational commerce platform for Shopify merchants. Our AI Journey team is focused on enhancing the marketing aspect of our vision with AI-driven outbound conversations that engage shoppers through various channels, primarily SMS.Our product is actively utilized by merchants today, processing hundreds of millions of shopper events. We are scaling our operations to enhance AI reliability at higher volumes, broaden our shopper engagement capabilities, and solidify our systems for robust production loads. The most intriguing challenges lie ahead.This role is positioned at the nexus of product engineering and applied AI, concentrating on the development of reliable, scalable, and impactful LLM-powered experiences in production.About the RoleIn this role, you will have the opportunity to: Develop and scale production AI features utilized by thousands of merchants. Engage directly with LLMs, prompts, and agent workflows within a live product setting. Influence the architecture of AI systems as we continuously enhance our platform.
Join our dynamic Analytics Engineering team as a Senior Data Engineer - GCP/BigQuery at Doctolib, where you will play a crucial role in enhancing healthcare accessibility through data-driven insights.Your primary objective will be to develop innovative data products that facilitate informed decision-making across the organization. You will collaborate with a talented team to create robust data pipelines and solutions that support our AI strategy.At Doctolib, we pride ourselves on fostering a collaborative and agile environment, working closely with product, design, and business teams to build features that improve the everyday lives of healthcare professionals and patients.Your responsibilities will include:Designing and maintaining data pipelines using Python to align with Doctolib’s AI initiatives.Developing and managing data marts in BigQuery utilizing SQL/Jinja and DBT.Creating high-level reporting dashboards with Tableau.Engaging with stakeholders to grasp their data requirements and establish clear specifications.Ensuring data quality, security (GDPR compliance), and availability through diligent monitoring and optimization.About Our Tech Environment:Our infrastructure is fully cloud-native, facilitating web and mobile interfaces across various languages, tailored to meet specific healthcare and country requirements. We are modularizing our platform and operating it in a distributed architecture using reusable components.Our tech stack includes Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native.We prioritize ethical AI integration across our products to empower both patients and healthcare professionals. Explore our AI vision here and learn about our inaugural AI hackathon here!Our data stack comprises Kafka/Debezium for data ingestion, Dagster/DBT for orchestration, GCS/BigQuery for data warehousing, and Metabase/Tableau for BI and reporting.
Join Believe, an innovative leader in the music industry, as a Senior Data Engineer. In this pivotal role, you will leverage your expertise in data engineering to drive insightful analytics and support our data-driven decision-making processes. You will collaborate with cross-functional teams, ensuring the integrity and availability of our data systems.
About UpflowUpflow is a pioneering provider of innovative cash collection technology designed to assist B2B enterprises in streamlining their payment processes.As a product-driven SaaS startup founded in 2018, we have earned the trust of hundreds of companies across the US and EMEA, including notable names such as Lattice, ProductBoard, and Instawork. Our growth is supported by esteemed investors including YCombinator, Hexa, and Hedosophia, along with prominent business angels from N26, Square, Mercury, Uber, and NetSuite.This role presents an incredible opportunity to engage and develop your skills within a rapidly expanding Fintech landscape and an international team.To explore more about our company culture and team, visit our careers page at www.upflow.io/careers.About the RoleJoin a small, agile team based in Paris or operating remotely, where you'll create impactful features for our users. Your responsibilities will cover a diverse array of topics including workflow automation, payment processing, and communication functionalities such as email, calls, and letters. We are committed to integrating AI into our product offerings, and you will be instrumental in establishing our AI foundations.Our development practices involve continuous deployment, with an average of 10 deployments per day. We value pragmatism, ownership, and a growth mindset within our team.Your ResponsibilitiesYour daily tasks will include:Designing and implementing complex, high-impact product features from inception to completion.Collaborating closely with product managers, designers, and fellow engineers to translate business needs into technical solutions.Delivering clean, maintainable code to production on a daily basis.Actively participating in code reviews, providing and accepting constructive feedback.Diagnosing and resolving complex product issues.Enhancing application performance and ensuring scalability.
Join Arago and the Team of InnovatorsArago is at the forefront of AI and computer hardware innovation, with a mission to shape the future by driving significant advancements at the intersection of artificial intelligence and semiconductor technologies.Founded in 2024 by a team of AI researchers and physicists with profound expertise in photonics, electronics, software, mathematics, and machine learning, Arago unites a talented group of engineers and scientists drawn from the world’s leading companies and research institutions.With a diverse workforce representing nine nationalities and operating from strategic hubs in France, North America, and Israel, we are committed to exceptional science and rapid progress. Our work is anchored in core principles such as:Achieve Excellence: We take pride in delivering work that reflects our highest standards.Speed of Execution: We prioritize agility in our processes, advancing steadily and swiftly.Team Unity: We foster a collaborative environment grounded in trust, respect, and camaraderie.Arago is supported by seasoned executives from industry giants like Apple, Arm, Nvidia, Microsoft, and Hugging Face, along with esteemed deeptech venture capital firms from the US and Europe.
Join Aircall, a groundbreaking unicorn in the realm of AI-driven customer communication platforms, utilized by over 22,000 companies globally. Our mission is to transform customer interactions by integrating voice, SMS, WhatsApp, and AI into a singular, efficient workspace.Our progress stems from a core belief: empower teams to operate smarter, not harder. With innovations like Aircall’s AI Voice Agent automating routine calls, AI Assist optimizing post-call processes, and AI Assist Pro providing real-time support, we enhance productivity, drive revenue, and enable teams to scale confidently.Headquartered in Paris, our European hub, we also boast a robust North American presence in Seattle, complemented by teams in Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, our business is rapidly expanding, and we are backed by leading investors, driving swift AI advancements across various product lines.Our Work Culture: We prioritize customer satisfaction, leverage data-driven insights, and aim for impactful results. We value ownership, continuous learning, and deliberate speed. If you thrive in a collaborative, dynamic environment where trust and impact are paramount, you will fit right in.We are seeking a dedicated and enthusiastic Senior Software Engineer to enhance our Workspace team, with a primary focus on Frontend Architecture.In this role, you will be pivotal in transforming Aircall's frontend architecture into a robust platform. Our existing monorepo contains approximately 40 packages and various applications, and as we expand, it is crucial to facilitate parallel contributions from diverse feature teams without generating bottlenecks or architectural conflicts. Your mission is to design a seamless, secure, and high-performing architecture that fosters collaboration.You will serve as a catalyst for the entire engineering organization, establishing the standards for how frontend code is authored, shared, and deployed at Aircall.
Join the dynamic Nexthink Engineering department, where you will be an integral part of a team dedicated to developing the Collectors—advanced endpoint agents utilized by millions of employees. These Collectors play a pivotal role in extracting and interpreting vital information from operating systems, sending it to our powerful data analytics systems, and enhancing user experience by identifying and resolving issues.As a Senior Software Engineer, you will face a series of exciting challenges: • Challenge #1: Develop comprehensive and reliable solutions. • Challenge #2: Create solutions for multiple platforms, leveraging the best features from each. • Challenge #3: Ensure cross-platform compatibility wherever possible.Our engineers thrive on tackling broad, unconventional problems, refining them into actionable solutions. They continuously innovate, prototype new ideas, and measure their impact while upholding our unwavering standards of quality, performance, and security.
About Us and Our Vision: At Qonto, we empower small and medium enterprises (SMEs) to thrive by providing Europe’s premier finance platform, which integrates banking and innovative financial tools. Our commitment to excellence is reflected in our 4.8-star rating on Trustpilot, based on over 55,000 reviews. We prioritize customer satisfaction, evidenced by our impressive Net Promoter Score of 75.Our Growth Story: Founded in 2017 by Alexandre and Steve, Qonto has expanded to a team of over 1,600 dedicated professionals, catering to more than 600,000 customers across 8 European nations. With profitability achieved in 2023, we are just beginning our journey.Our Core Values: We value skills and potential in our hiring process. Our team boasts over 80 nationalities, with 45% women and 56% of our leadership positions held by women, making diversity an integral part of our identity. We have established a bias-free hiring process because we believe the best teams are formed on merit.AI at Qonto: Artificial Intelligence is fundamental to our operations (learn more). Every member of our team has unlimited access to cutting-edge AI tools. We seek individuals who are willing to experiment, challenge norms, and understand when to trust and question AI.
Join Outsight, where our cutting-edge software transforms 3D LiDAR data into actionable insights for tracking the movement of individuals and vehicles. Our solutions are utilized by a variety of transportation hubs, including airports and train stations, as well as sports venues, road infrastructures, and industrial sites. We empower operators with precise and anonymous Spatial Intelligence data to enhance operational efficiency and ensure user safety and satisfaction. Our diverse team of experts, spanning across Paris, San Francisco, Sophia-Antipolis, and Hong Kong, is dedicated to advancing our innovative solutions. With a commercial office in Spain, we are committed to our global outreach. Discover more about us through this link: Insights about Outsight. Trusted by leading airports and train stations worldwide, our Passenger Flow Traffic Monitoring solution is a cornerstone of our offerings. Our Car Traffic Remote Monitoring product has also gained the confidence of Tier 1 clients, including BMW. Role Overview We are seeking a vital contributor to our Outsight Shift product suite. Our ecosystem encompasses real-time 3D monitoring of digital twins, live analytics, and decision support tools designed to optimize user management of people and vehicle flows. In this role, you will play a crucial part in architecting our application and frontend foundations to ensure scalability as our product capabilities expand. You will emphasize design, performance, usability, and maintainability while collaborating closely with product managers, data engineers, and scientists to deliver seamless user experiences.
Are you passionate about creating exceptional software experiences? Join Speechify as a Senior Software Engineer in our Core Experiences team based in Paris, France. In this role, you will be instrumental in designing and developing innovative solutions that enhance user engagement and drive our mission forward. Collaborate with cross-functional teams to transform ideas into reality while ensuring top-notch performance and scalability of our applications.
Your Impact At Doctolib, we are rapidly expanding our team and currently seeking talented Fullstack Software Engineers to join us in Paris. We welcome engineers at various stages of their careers, whether you are just starting out or have years of experience under your belt. There’s a place for you in our innovative Engineering teams! Your mission is to help Doctolib solidify its standing as a premier healthcare technology platform by creating high-quality products that enhance the daily routines of healthcare professionals and patients. You will engage in feature teams that develop solutions with a direct impact on millions across Europe. Joining the tech team at Doctolib means you will be at the forefront of building cutting-edge products and functionalities that improve the lives of care teams and patients alike. What You’ll Build Your responsibilities will encompass, but are not limited to: Collaborating with product managers, designers, and fellow engineers to create features that provide real value to healthcare professionals and patients. Designing and implementing technical solutions that ensure optimal performance, security, and usability across our fullstack applications (React, TypeScript, JVM ecosystem). Contributing to code quality through thorough reviews, testing, and the continuous improvement of our development practices. Sharing your expertise and collaborating across teams to advance Doctolib’s architecture and technical standards. Life at Doctolib Tech Our solutions are built on a single fully cloud-native platform that supports web and mobile application interfaces, multiple languages, and is tailored to meet the requirements of various countries and healthcare specialties. Our technology stack includes Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native. We ethically leverage AI across our products to empower both patients and health professionals. Learn more about our AI vision here. Interested in understanding more about our tech culture and environment? Visit the Doctolib Tech site. What You’ll Bring Before proceeding, if you feel that this job description resonates with your skill set even if you don’t meet every criterion, we encourage you to apply! You possess fullstack software engineering experience with React and the JVM ecosystem (Java, Kotlin, Spring Boot) - Ruby experience is a bonus. You have a user-first mindset and are dedicated to enhancing the user experience.
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Browse all companies, explore by city & role, or SEO search pages. View directory listings: all jobs, search results, or location & role pages.
Altersolutions
Join our dynamic team at Altersolutions as a Senior Software Engineer specializing in Java Spring Boot. We are seeking a highly skilled and motivated individual who thrives in a fast-paced environment and is eager to take on challenging projects. In this role, you will be responsible for designing, developing, and maintaining robust software applications tha…
Role overview nexton seeks a Senior Analytics Engineer with strong expertise in dbt and Snowflake. This Paris-based position centers on building and optimizing analytics solutions that transform data into actionable insights for the business. What you will do Work with teams throughout nexton to design, build, and refine analytics workflows Create and maintain data pipelines using dbt and Snowflake Monitor data quality and make improvements to ensure accurate reporting Deliver analytics and reports that inform business decisions Engage with stakeholders to understand their needs and develop data-driven solutions Impact This role plays a key part in supporting strategic decisions and shaping nexton's data initiatives. The results of your work will be visible and valued across the company.
iliad-free
Role overview iliad-free is seeking a Senior System Engineer to join the team in Paris. The position centers on designing, implementing, and maintaining complex systems that underpin the company’s digital solutions. This is a senior technical role with a focus on both new architectures and the ongoing evolution of existing infrastructure. What you will do Design system architectures for digital platforms Implement and maintain large-scale infrastructure Drive improvements for existing systems Work closely with technical teams to deliver reliable solutions Location This role is based in Paris.
Paris | Full-time | Fluent in French & English The e-commerce landscape is evolving rapidly, yet independent brands often find it challenging to compete with the logistical efficiency of industry giants like Amazon. At Bigblue, we are dedicated to transforming this reality.Our mission is to empower brands by providing access to top-tier operational capabilities, enabling them to grow swiftly while ensuring an exceptional customer experience.Since our inception in 2018, we have developed an innovative tech-driven logistics platform that currently supports over 500 brands, ranging from rapidly expanding direct-to-consumer enterprises to globally recognized names such as MUJI, Aigle, and Cabaïa. With a talented team of 110+ employees across Paris, Madrid, and London, and our proprietary Warehouse Management System (WMS) Atlas, we are tackling logistics challenges that others shy away from — making fulfillment processes faster, smarter, and more sustainable.Backed by over $20 million in funding and trusted by the next generation of e-commerce innovators, we are experiencing rapid growth — aiming to handle 10 million orders in 2024 and embarking on ambitious enterprise expansion. The future is bright, and we’re searching for the right partners to help us lead the charge.
About LedgerAt Ledger, we are a team of innovators dedicated to redefining digital ownership. Our mission is to empower individuals and enterprises alike through secure management of their assets, ensuring that technology is accessible for everyone. We envision a future where users, creators, and businesses have full control over their value. Driven by curiosity and a commitment to continuous improvement, we seek to inspire global change and support our team in challenging the status quo to develop cutting-edge solutions. Join us in making self-custody not only attainable but also a fundamental right.With our headquarters in Paris and a presence in several global cities including London, Geneva, and Singapore, Ledger stands as the leading platform for digital assets and Web3. We proudly secure over 20% of the world's crypto assets through our innovative Ledger devices, with more than 7.5 million units sold across 200 countries.The Team:Ledger Wallet serves as our flagship application, built on an Open Source monorepo utilizing React, Electron (Desktop), and React Native (Mobile). It supports various blockchains and integrates multiple decentralized applications (DApps).As part of the Platform Team, you will be integral to laying the groundwork for Ledger Wallet. Our focus extends beyond feature development; we construct the infrastructure that empowers other teams to deliver enhancements swiftly and securely.We are in search of a Senior Engineer to take ownership of our tech stack, refine our monorepo architecture, and facilitate the transition to micro-frontends. Your primary audience will be fellow developers, as you prioritize tooling, build speed, and overall Developer Experience (DX).
Alice & Bob is pioneering the development of the first universal, fault-tolerant quantum computer aimed at tackling some of the most challenging problems in the world. Our innovative quantum computer is based on a revolutionary type of superconducting qubit known as the Schrödinger cat qubit. Unlike traditional superconducting platforms, cat qubits possess the remarkable capability to autonomously implement quantum error correction!We are leading the quantum revolution, standing shoulder to shoulder with industry giants like Google and IBM, and we are rapidly expanding following our successful €100 million funding round in 2025 dedicated to advancing our unique technology.With over 100 talented individuals, including physicists, PhD students, engineers, and seasoned business professionals, we are united in our quest to achieve our ambitious vision. Are you ready to join us as a quantum pioneer and help reshape the future?About the Role:The Calibration Team is tasked with automating the calibrations of our Quantum Processing Unit (QPU) to maximize its performance and ensure its operational reliability. As a Senior Software Engineer within this team, you will be instrumental in architecting the automatic calibration software. You will collaborate closely with quantum scientists to develop, maintain, and enhance the calibration processes. Additionally, you will work alongside other software engineers across the organization to facilitate seamless integration of your team's software with other in-house software components.
About Our TeamAt SumUp, we empower businesses ranging from cafes and shops to bars and hair salons with our innovative Point-of-Sale (POS) solution. Designed to enhance operational efficiency and promote growth, our system includes features such as product catalogs, inventory management, business analytics, compliance support, and loyalty tools.Our POS solution seamlessly integrates into the SumUp SuperApp, compatible with both our proprietary hardware and mobile devices like tablets and smartphones.As a Senior Android Developer, you will be part of a dynamic, cross-functional team that includes Product Managers, Product Designers, Engineering Managers, and fellow engineers.About the RoleWe are transitioning towards a Kotlin Multiplatform (KMP) strategy that facilitates shared development between Android and iOS. In this position, you will have the opportunity to learn, refine, and implement this technology, significantly impacting the future of our mobile applications.If you are a developer who prioritizes user-centric design, precision, and effective collaboration, and you thrive in a cross-functional environment, we want to hear from you.
About KovaleeEstablished in 2020, Kovalee is revolutionizing the mobile app landscape with an ambitious mission: to empower app developers to achieve top rankings in their respective niches, irrespective of their resource limitations. Leveraging cutting-edge technology and our expertise in user acquisition, app store optimization, product enhancement, and monetization strategies, Kovalee enables developers to concentrate on their art while we propel their apps’ success. Our flagship applications, including Bend, PepTalk, and ParrotPal, exemplify our achievements, having reached the pinnacle of their categories.Honored as one of the fastest-growing startups of 2024 by Sifted, Kovalee boasts a vibrant, diverse team of over 20 professionals hailing from more than 15 different nationalities, all driven by a common vision: to redefine the mobile app industry.We invite you to join our team as a Senior Data Engineer. In this pivotal role, you will be instrumental in enhancing our data infrastructure. You will architect the team's strategic roadmap, optimize data workflows, and guarantee the delivery of reliable, high-quality data across the organization, empowering more informed decision-making in User Acquisition, Product Management, and Creative Development.
Join Our Team at KovaleeAt Kovalee, established in 2020, we are on a mission to revolutionize the mobile industry by empowering app developers to reach the pinnacle of their niche, irrespective of their resources. Our cutting-edge technology and deep expertise in user acquisition, app store optimization, product enhancement, and monetization enable developers to concentrate on their passion while we accelerate their app's growth. Our successful applications, such as Bend, PepTalk, and ParrotPal, showcase our commitment to excellence and our ability to drive results.Recognized as one of the fastest-growing startups of 2024 by Sifted, we are a diverse team of over 20 professionals from more than 15 nationalities, unified by a common goal: to redefine the mobile app landscape.We are seeking a Senior Software Engineer to become a crucial part of our team, responsible for creating and sustaining the foundation of our publishing platform. In this role, you will collaborate closely with operations to address real-world business challenges while helping us innovate rapidly and ambitiously. You will report directly to the CTO and work alongside another talented software engineer.
Join us in revolutionizing the shopping experience through AI-powered conversations.At Gorgias, we are pioneering a platform that transforms customer interactions into meaningful relationships. Our vision is to create a unified AI agent that assists, sells, and re-engages customers at every touchpoint in their journey. We believe that Conversational Commerce is the future of eCommerce, and we are at the forefront of this exciting shift.Our mission is to ensure that every brand interaction is personal, seamless, and intelligent. By merging our extensive product knowledge with cutting-edge AI technology, we aim to make the shopping experience feel increasingly intuitive and connected.To achieve this, we are committed to:Quality: Crafting authentic, brand-aligned conversations.Experience: Ensuring a smooth shopping journey from chat to checkout.Re-engagement: Fostering personal dialogues instead of intrusive marketing.With the rapid evolution of AI in retail, Gorgias is laying the groundwork for the next decade of eCommerce. We envision a future where every brand has its intelligent agent, and every customer feels valued and understood.Join us in making Conversational Commerce a reality.Team & ContextGorgias is an AI-first company dedicated to developing innovative products driven by large language models (LLMs) and agent-based systems. We are the leading conversational commerce platform for Shopify merchants. Our AI Journey team is focused on enhancing the marketing aspect of our vision with AI-driven outbound conversations that engage shoppers through various channels, primarily SMS.Our product is actively utilized by merchants today, processing hundreds of millions of shopper events. We are scaling our operations to enhance AI reliability at higher volumes, broaden our shopper engagement capabilities, and solidify our systems for robust production loads. The most intriguing challenges lie ahead.This role is positioned at the nexus of product engineering and applied AI, concentrating on the development of reliable, scalable, and impactful LLM-powered experiences in production.About the RoleIn this role, you will have the opportunity to: Develop and scale production AI features utilized by thousands of merchants. Engage directly with LLMs, prompts, and agent workflows within a live product setting. Influence the architecture of AI systems as we continuously enhance our platform.
Join our dynamic Analytics Engineering team as a Senior Data Engineer - GCP/BigQuery at Doctolib, where you will play a crucial role in enhancing healthcare accessibility through data-driven insights.Your primary objective will be to develop innovative data products that facilitate informed decision-making across the organization. You will collaborate with a talented team to create robust data pipelines and solutions that support our AI strategy.At Doctolib, we pride ourselves on fostering a collaborative and agile environment, working closely with product, design, and business teams to build features that improve the everyday lives of healthcare professionals and patients.Your responsibilities will include:Designing and maintaining data pipelines using Python to align with Doctolib’s AI initiatives.Developing and managing data marts in BigQuery utilizing SQL/Jinja and DBT.Creating high-level reporting dashboards with Tableau.Engaging with stakeholders to grasp their data requirements and establish clear specifications.Ensuring data quality, security (GDPR compliance), and availability through diligent monitoring and optimization.About Our Tech Environment:Our infrastructure is fully cloud-native, facilitating web and mobile interfaces across various languages, tailored to meet specific healthcare and country requirements. We are modularizing our platform and operating it in a distributed architecture using reusable components.Our tech stack includes Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native.We prioritize ethical AI integration across our products to empower both patients and healthcare professionals. Explore our AI vision here and learn about our inaugural AI hackathon here!Our data stack comprises Kafka/Debezium for data ingestion, Dagster/DBT for orchestration, GCS/BigQuery for data warehousing, and Metabase/Tableau for BI and reporting.
Join Believe, an innovative leader in the music industry, as a Senior Data Engineer. In this pivotal role, you will leverage your expertise in data engineering to drive insightful analytics and support our data-driven decision-making processes. You will collaborate with cross-functional teams, ensuring the integrity and availability of our data systems.
About UpflowUpflow is a pioneering provider of innovative cash collection technology designed to assist B2B enterprises in streamlining their payment processes.As a product-driven SaaS startup founded in 2018, we have earned the trust of hundreds of companies across the US and EMEA, including notable names such as Lattice, ProductBoard, and Instawork. Our growth is supported by esteemed investors including YCombinator, Hexa, and Hedosophia, along with prominent business angels from N26, Square, Mercury, Uber, and NetSuite.This role presents an incredible opportunity to engage and develop your skills within a rapidly expanding Fintech landscape and an international team.To explore more about our company culture and team, visit our careers page at www.upflow.io/careers.About the RoleJoin a small, agile team based in Paris or operating remotely, where you'll create impactful features for our users. Your responsibilities will cover a diverse array of topics including workflow automation, payment processing, and communication functionalities such as email, calls, and letters. We are committed to integrating AI into our product offerings, and you will be instrumental in establishing our AI foundations.Our development practices involve continuous deployment, with an average of 10 deployments per day. We value pragmatism, ownership, and a growth mindset within our team.Your ResponsibilitiesYour daily tasks will include:Designing and implementing complex, high-impact product features from inception to completion.Collaborating closely with product managers, designers, and fellow engineers to translate business needs into technical solutions.Delivering clean, maintainable code to production on a daily basis.Actively participating in code reviews, providing and accepting constructive feedback.Diagnosing and resolving complex product issues.Enhancing application performance and ensuring scalability.
Join Arago and the Team of InnovatorsArago is at the forefront of AI and computer hardware innovation, with a mission to shape the future by driving significant advancements at the intersection of artificial intelligence and semiconductor technologies.Founded in 2024 by a team of AI researchers and physicists with profound expertise in photonics, electronics, software, mathematics, and machine learning, Arago unites a talented group of engineers and scientists drawn from the world’s leading companies and research institutions.With a diverse workforce representing nine nationalities and operating from strategic hubs in France, North America, and Israel, we are committed to exceptional science and rapid progress. Our work is anchored in core principles such as:Achieve Excellence: We take pride in delivering work that reflects our highest standards.Speed of Execution: We prioritize agility in our processes, advancing steadily and swiftly.Team Unity: We foster a collaborative environment grounded in trust, respect, and camaraderie.Arago is supported by seasoned executives from industry giants like Apple, Arm, Nvidia, Microsoft, and Hugging Face, along with esteemed deeptech venture capital firms from the US and Europe.
Join Aircall, a groundbreaking unicorn in the realm of AI-driven customer communication platforms, utilized by over 22,000 companies globally. Our mission is to transform customer interactions by integrating voice, SMS, WhatsApp, and AI into a singular, efficient workspace.Our progress stems from a core belief: empower teams to operate smarter, not harder. With innovations like Aircall’s AI Voice Agent automating routine calls, AI Assist optimizing post-call processes, and AI Assist Pro providing real-time support, we enhance productivity, drive revenue, and enable teams to scale confidently.Headquartered in Paris, our European hub, we also boast a robust North American presence in Seattle, complemented by teams in Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, our business is rapidly expanding, and we are backed by leading investors, driving swift AI advancements across various product lines.Our Work Culture: We prioritize customer satisfaction, leverage data-driven insights, and aim for impactful results. We value ownership, continuous learning, and deliberate speed. If you thrive in a collaborative, dynamic environment where trust and impact are paramount, you will fit right in.We are seeking a dedicated and enthusiastic Senior Software Engineer to enhance our Workspace team, with a primary focus on Frontend Architecture.In this role, you will be pivotal in transforming Aircall's frontend architecture into a robust platform. Our existing monorepo contains approximately 40 packages and various applications, and as we expand, it is crucial to facilitate parallel contributions from diverse feature teams without generating bottlenecks or architectural conflicts. Your mission is to design a seamless, secure, and high-performing architecture that fosters collaboration.You will serve as a catalyst for the entire engineering organization, establishing the standards for how frontend code is authored, shared, and deployed at Aircall.
Join the dynamic Nexthink Engineering department, where you will be an integral part of a team dedicated to developing the Collectors—advanced endpoint agents utilized by millions of employees. These Collectors play a pivotal role in extracting and interpreting vital information from operating systems, sending it to our powerful data analytics systems, and enhancing user experience by identifying and resolving issues.As a Senior Software Engineer, you will face a series of exciting challenges: • Challenge #1: Develop comprehensive and reliable solutions. • Challenge #2: Create solutions for multiple platforms, leveraging the best features from each. • Challenge #3: Ensure cross-platform compatibility wherever possible.Our engineers thrive on tackling broad, unconventional problems, refining them into actionable solutions. They continuously innovate, prototype new ideas, and measure their impact while upholding our unwavering standards of quality, performance, and security.
About Us and Our Vision: At Qonto, we empower small and medium enterprises (SMEs) to thrive by providing Europe’s premier finance platform, which integrates banking and innovative financial tools. Our commitment to excellence is reflected in our 4.8-star rating on Trustpilot, based on over 55,000 reviews. We prioritize customer satisfaction, evidenced by our impressive Net Promoter Score of 75.Our Growth Story: Founded in 2017 by Alexandre and Steve, Qonto has expanded to a team of over 1,600 dedicated professionals, catering to more than 600,000 customers across 8 European nations. With profitability achieved in 2023, we are just beginning our journey.Our Core Values: We value skills and potential in our hiring process. Our team boasts over 80 nationalities, with 45% women and 56% of our leadership positions held by women, making diversity an integral part of our identity. We have established a bias-free hiring process because we believe the best teams are formed on merit.AI at Qonto: Artificial Intelligence is fundamental to our operations (learn more). Every member of our team has unlimited access to cutting-edge AI tools. We seek individuals who are willing to experiment, challenge norms, and understand when to trust and question AI.
Join Outsight, where our cutting-edge software transforms 3D LiDAR data into actionable insights for tracking the movement of individuals and vehicles. Our solutions are utilized by a variety of transportation hubs, including airports and train stations, as well as sports venues, road infrastructures, and industrial sites. We empower operators with precise and anonymous Spatial Intelligence data to enhance operational efficiency and ensure user safety and satisfaction. Our diverse team of experts, spanning across Paris, San Francisco, Sophia-Antipolis, and Hong Kong, is dedicated to advancing our innovative solutions. With a commercial office in Spain, we are committed to our global outreach. Discover more about us through this link: Insights about Outsight. Trusted by leading airports and train stations worldwide, our Passenger Flow Traffic Monitoring solution is a cornerstone of our offerings. Our Car Traffic Remote Monitoring product has also gained the confidence of Tier 1 clients, including BMW. Role Overview We are seeking a vital contributor to our Outsight Shift product suite. Our ecosystem encompasses real-time 3D monitoring of digital twins, live analytics, and decision support tools designed to optimize user management of people and vehicle flows. In this role, you will play a crucial part in architecting our application and frontend foundations to ensure scalability as our product capabilities expand. You will emphasize design, performance, usability, and maintainability while collaborating closely with product managers, data engineers, and scientists to deliver seamless user experiences.
Are you passionate about creating exceptional software experiences? Join Speechify as a Senior Software Engineer in our Core Experiences team based in Paris, France. In this role, you will be instrumental in designing and developing innovative solutions that enhance user engagement and drive our mission forward. Collaborate with cross-functional teams to transform ideas into reality while ensuring top-notch performance and scalability of our applications.
Your Impact At Doctolib, we are rapidly expanding our team and currently seeking talented Fullstack Software Engineers to join us in Paris. We welcome engineers at various stages of their careers, whether you are just starting out or have years of experience under your belt. There’s a place for you in our innovative Engineering teams! Your mission is to help Doctolib solidify its standing as a premier healthcare technology platform by creating high-quality products that enhance the daily routines of healthcare professionals and patients. You will engage in feature teams that develop solutions with a direct impact on millions across Europe. Joining the tech team at Doctolib means you will be at the forefront of building cutting-edge products and functionalities that improve the lives of care teams and patients alike. What You’ll Build Your responsibilities will encompass, but are not limited to: Collaborating with product managers, designers, and fellow engineers to create features that provide real value to healthcare professionals and patients. Designing and implementing technical solutions that ensure optimal performance, security, and usability across our fullstack applications (React, TypeScript, JVM ecosystem). Contributing to code quality through thorough reviews, testing, and the continuous improvement of our development practices. Sharing your expertise and collaborating across teams to advance Doctolib’s architecture and technical standards. Life at Doctolib Tech Our solutions are built on a single fully cloud-native platform that supports web and mobile application interfaces, multiple languages, and is tailored to meet the requirements of various countries and healthcare specialties. Our technology stack includes Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native. We ethically leverage AI across our products to empower both patients and health professionals. Learn more about our AI vision here. Interested in understanding more about our tech culture and environment? Visit the Doctolib Tech site. What You’ll Bring Before proceeding, if you feel that this job description resonates with your skill set even if you don’t meet every criterion, we encourage you to apply! You possess fullstack software engineering experience with React and the JVM ecosystem (Java, Kotlin, Spring Boot) - Ruby experience is a bonus. You have a user-first mindset and are dedicated to enhancing the user experience.
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