Senior Full Stack Engineer

Join the Luo TeamLuoPay is a rapidly expanding leader in the FX and cross-border payments sector in Africa. We empower African enterprises to expedite payments to their international suppliers with enhanced transparency and competitive edges over traditional methods.Having established ourselves as a prominent player in several markets in record time, we are …

Join Margo Group as a Full Stack Developer specializing in Java and React. We are seeking a talented and motivated individual to contribute to our innovative projects and help shape the future of our tech solutions. As part of our team, you will work closely with designers and product managers to refine our offerings and deliver high-quality software solutions.

At Joko, we empower consumers to shop smarter and revolutionize the shopping experience. Our mission is to help individuals make informed decisions, find exactly what they need, and ultimately save money.Founded in Paris, Joko is a certified B Corp tech company with a diverse team of over 90 talented professionals across Paris, Barcelona, New York, and beyond. With more than 5 million users benefiting from our services at over 10,000 merchants, we are changing the way people shop every day.Our innovative solutions range from cashback offers and automatic coupons to price alerts and carbon tracking. We are currently developing an AI-powered shopping assistant designed to help users discover the best products based on price, quality, and environmental impact.Having achieved profitability in our core market, we are now expanding our reach globally, with a strong emphasis on the US market. Join us on this exciting journey as we build the future of shopping! Engineering Team OverviewOur Engineering team thrives on tackling complex technical challenges with elegant solutions. By prioritizing product innovation and design, they are redefining the shopping experience. Their goal is to positively impact the daily lives of millions of users worldwide.As a Staff Mobile Engineer at Joko, you will play a pivotal role in shaping our mobile application. Collaborating closely with the Product team, you will be involved in the entire lifecycle of product development, from exploration and design to implementation and production deployment.Our Engineering team is rapidly growing, fostering continuous innovation across our product and technology stack to revolutionize the online shopping experience. ResponsibilitiesWe value ownership and impact at Joko. In your role as Staff Mobile Engineer, you will take charge of significant components of our mobile application, overseeing everything from technical design to delivery and ongoing enhancements.Mobile Architecture & Development: Contribute to the definition and evolution of our React Native architecture, while designing and developing scalable, maintainable, and high-performance features in our mobile application.Codebase Modernization: Gradually enhance our existing React Native codebase by integrating modern patterns, best practices, and platform capabilities, ensuring a balance between innovation and stability.

Join our innovative team that is transforming the future of global living.At The Flex, we envision a world where renting a home is instant, intelligent, and seamless—much like booking a ride. Our mission is ambitious: to empower anyone to live anywhere, anytime, without hassle.Driven by Base360.ai, our unique automation engine, we are crafting the operating system for modern renting—integrating property data, streamlining operations, and facilitating smooth stays across continents.If you are passionate about complex systems, automation, and developing software that has real-world applications, this position offers you the opportunity to take ownership and make a significant impact. What You'll CreateAs a Senior Software Engineer, you will design, develop, and scale essential components of The Flex platform—from core services and APIs to automation workflows and real-time systems.You will work with considerable autonomy, managing problems from start to finish and directly influencing architectural decisions while remaining deeply engaged with production code.This role is for engineers who prioritize impact over meetings and take pride in constructing systems that are reliable, elegant, and scalable. Your ObjectivesDevelop Core SystemsCreate and maintain scalable services that enhance bookings, payments, availability, pricing, and guest experiences.Design Robust APIsEstablish clean, well-structured APIs that connect Base360.ai with internal tools and external partners.Automate OperationsConstruct event-driven workflows that eradicate manual tasks and unlock operational efficiencies.Deploy with AssuranceImplement and manage cloud-native infrastructure on AWS with an emphasis on reliability, security, and performance.Tackle Meaningful ChallengesEngage in real-time booking synchronization, pricing intelligence, keyless access systems, AI-driven alerts, and live operational dashboards.Collaborate for SuccessPartner closely with product, data, and operations teams to transform complex requirements into straightforward, effective systems. Ideal Candidate ProfileExtensive experience in building production systems with Node.js, React, and AWS.Solid understanding of software design principles and best practices.Proficient with CI/CD practices and tools.Strong communication skills and a collaborative mindset.

Join Our Mission to Transform Healthcare At Doctolib, we are on a mission to revolutionize the healthcare experience through cutting-edge technology. Our passionate tech team is dedicated to creating innovative products and features that enhance the daily lives of healthcare practitioners and their patients. Working in an agile environment, we collaborate closely with engineering, design, and business teams to achieve our goals. Your Role We are seeking a Senior Software Engineer to become a vital member of our Design System & Accessibility Team. Your contribution will be paramount in making Doctolib the leading digital and secure medical companion for patients. In our Platform domain, we focus on building and maintaining essential building blocks of our system with a "Platform as a Product" mindset. Our objective is to simplify the use of these complex components, allowing product teams to concentrate on their core mission: delivering faster solutions for healthcare professionals and patients. Why Your Work Matters: With a significant 80% of our traffic coming from mobile users, your role will be instrumental in bridging the gap between our Web and Mobile Design Systems, ensuring a seamless user experience across platforms. As part of the Frontend Platform team, you will empower all Doctolib Tech and Product teams to develop accessible, top-tier frontend applications. We achieve this by providing a robust web and mobile design system, creating supportive tooling, and offering guidance as Accessibility experts. Key Responsibilities: Design, build, and maintain a scalable web and mobile Design System using React and React Native to ensure consistent, accessible, and high-performance user experiences. Guide the convergence of Web and Mobile Design Systems, ensuring visual and functional consistency across React and React Native components. Develop and maintain React Native components for a seamless cross-platform experience. Mentor team members on React Native best practices, promoting a mobile-first culture within the Design System team. Collaborate with Product Designers to transform Figma designs into robust, reusable UI components, maintaining visual and functional parity between design and implementation. Advocate for accessibility (A11y), embedding inclusive design principles in our Design System and developing accessible components.

Role Overview Sopra Steria is looking for a Fullstack Java React Developer to join the team in Paris. This role focuses on building and maintaining applications for clients in the financial services sector. Projects aim to support digital transformation and improve user experiences. What You Will Do Work with cross-functional teams to design, develop, and maintain applications Use both front-end and back-end technologies to deliver software that meets client requirements Contribute to the development of solutions that support business goals in financial services Location This position is based in Paris, Île-de-France.

Join the Success Story of TheodoSince 2009, Theodo has been empowering innovative companies in the design, development, and deployment of ingenious digital products, leveraging the best of technology and Lean methodology.Our unique approach is built on three core principles:- We have developed recognized expertise in key product design and development technologies;- Regardless of the project stage, our priority in every decision is creating value for our clients;- We recruit the top digital talents and nurture their ingenuity through a lean approach.Theodo has experienced exceptional growth over the past 15 years, with our team of over 700 Theodoers, primarily Software Engineers, who are passionate about technology and continuous improvement. As we grow, the group has structured itself into specialized entities by technology (Theodo Apps, Theodo Cloud, Theodo Data & AI) or by industry (Fintech, Govtech, Healthtech, Consumer Products Goods). By 2025, Theodo aims to generate €100M in revenue.Join us at Theodo Extend, the new entity within Theodo, designed to meet a real-world need: more and more clients want to maintain control over product management while integrating top-level developers into their teams.In 2024, we collaborated with over 100 clients, including Carrefour, Dior, and Yves Saint Laurent, with 63 experts engaged in these missions.Your Mission:As a Software Engineer at Theodo Extend, you will be fully integrated into a client team but never alone.You will remain connected to our passionate community of engineers, receive training in best practices, and benefit from continuous support.You will work on:- Migrating an existing codebase to ensure its reliability, maintainability, and scalability through a complete transition to a modern stack.- Launching a V1 in just a few weeks, in high-pressure environments, while mastering the entire process.

Join our innovative team at myjobcompany1 as a Front End Developer (H/F) where your skills will contribute to building dynamic and responsive web applications. We are looking for a passionate individual who thrives in a fast-paced environment and is eager to embrace new challenges.

Segula Technologies is seeking a Control Engineer or Control Engineer Leader to join its Paris office. The role centers on designing and implementing control systems that drive performance and efficiency across various projects. Main responsibilities Develop control system solutions for both ongoing and new projects. Collaborate with cross-functional teams to help achieve project objectives. Use control engineering expertise to fulfill technical and project requirements. Work environment The team values fresh ideas and technical innovation. Daily work involves close collaboration and a focus on practical problem-solving.

Join everience as a Production Engineer and become a key contributor to our innovative engineering team. In this dynamic role, you will be responsible for optimizing production processes, enhancing efficiency, and ensuring project deliverables meet the highest standards. Your technical skills will play a crucial role in the successful deployment of our engineering solutions.

Join iliad-free as a Commercial Engineer, where you'll play a pivotal role in driving sales and fostering client relationships. Your expertise will be crucial in understanding customer needs and providing tailored solutions that enhance their experience.

Role Overview Sites is hiring a Civil Engineering Seismic Analysis Engineer in Paris. This position focuses on strengthening the resilience of infrastructure projects to seismic events. The role involves applying technical knowledge to develop calculation methods and support the safety of civil structures. What You Will Do Analyze infrastructure projects for seismic risks and structural integrity Develop and refine calculation methods for seismic analysis Contribute technical expertise to improve the safety and reliability of civil engineering projects Location Based in Paris.

We are seeking a highly skilled Senior Front End Developer (h/f) to join our innovative team at myjobcompany1 in Paris. In this role, you will work on exciting projects, utilizing your expertise in modern front-end technologies to create engaging and user-friendly web applications.Your responsibilities will include collaborating with designers and backend developers, ensuring the technical feasibility of UI/UX designs, and optimizing applications for maximum speed and scalability. You will also have the opportunity to mentor junior developers and contribute to the overall growth of the team.

UpSlide est la première solution de productivité et de branding dédiée aux services financiers. Notre logiciel révolutionne l'utilisation de PowerPoint, Word, Excel et Power BI, permettant à des entreprises telles que Citi, KPMG et BNP Paribas de se concentrer sur des activités à forte valeur ajoutée au lieu de perdre du temps sur le formatage ou le copier-coller. Nous sommes en forte croissance, avec environ 200 talents dans nos bureaux à Paris (siège social), Londres, New York, Singapour et Berlin.Nos valeurs Nos valeurs fondamentales orientent notre méthode de travail et sont au cœur de notre processus de recrutement. Pour rejoindre notre équipe, nous recherchons des individus qui partagent les valeurs suivantes :Excellence : Chaque détail compte, et nous veillons à la qualité de nos livrables.Confiance : Nous sommes passionnés, engagés, et nous agissons avec autonomie.Bien-être au travail : Nous cultivons un esprit positif et partageons notre enthousiasme avec nos collègues et clients.Missions et responsabilités En tant qu'Ingénieur en Analytics, tu es responsable de la conception et de la maintenance des produits de données qui facilitent la prise de décision et l'optimisation des performances chez UpSlide. Tes responsabilités incluent :Gérer des projets de données de A à Z : cadrage avec les équipes métiers, développement, livraison et amélioration continue.Construire et maintenir des pipelines de données et des transformations sur Microsoft Fabric avec dbt.Concevoir des tableaux de bord Power BI clairs et exploitables pour suivre la performance commerciale et produit.Collaborer avec les équipes RevOps, Success et Product : qualifier les besoins et challenger les priorités de manière autonome.Notre stack techniqueLangages : SQL, Python, etc.

airapps is hiring a Backend DevOps Engineer in Paris. This position centers on building and maintaining systems that keep backend services running smoothly and reliably. Role overview The Backend DevOps Engineer will design and implement solutions to help backend services scale and remain dependable. Collaboration with both development and operations teams is key, with a focus on improving workflows and boosting system performance. What you will do Create and maintain scalable infrastructure for backend services Work alongside developers and operations staff to streamline processes Identify opportunities to enhance system reliability and efficiency Location This role is based in Paris.

Join arago as an Electronics Engineer and become a pivotal part of our innovative team in Paris. We are looking for a passionate individual who is eager to design, develop, and implement cutting-edge electronic systems. Collaborate with cross-functional teams to bring groundbreaking products to market and make a significant impact in the field of electronics.

Join our dynamic team at myjobcompany1 as a Lead Systems Engineer in Paris! In this pivotal role, you will lead the design, development, and implementation of innovative systems solutions that enhance operational efficiency. Collaborate with cross-functional teams to ensure project success and drive technological advancements.

About MistralAt Mistral AI, we harness the transformative power of artificial intelligence to streamline tasks, optimize time management, and foster creativity and learning. Our innovative technology is engineered for seamless integration into everyday work environments.We democratize AI through our high-performance, optimized, open-source models, products, and solutions. Our robust AI platform caters to enterprise demands, whether deployed on-premises or in cloud infrastructures. Among our offerings is 'le Chat', an AI assistant designed for both personal and professional use.We are a dynamic and collaborative team, deeply passionate about AI’s potential to revolutionize society. Our diverse workforce excels in competitive settings, dedicated to driving innovation. With teams spread across France, the USA, the UK, Germany, and Singapore, we thrive on creativity, humility, and team collaboration.Join us in redefining the future of AI. Together, we can make a significant impact. Discover more about our culture at https://mistral.ai/careers.About The JobMistral AI is on the lookout for an Applied AI Engineer to champion the adoption of our products, partnering with clients to tackle intricate technical challenges.The Applied AI Engineer - Software Engineer will play a crucial role within our Applied AI Engineering team, focused on ensuring the successful implementation of Mistral AI products. This role involves close collaboration with clients from pre-sales to post-implementation, ensuring our solutions not only meet but exceed client expectations.What You Will Do• Collaborate intensively with researchers, AI engineers, and product engineers on sophisticated customer projects, embedding advanced AI models into client software solutions.• Design, develop, and manage scalable full-stack applications, facilitating seamless interaction between front-end and back-end components.• Work alongside customers to craft complex use cases, providing expert guidance for optimal integration with back-end and front-end interfaces.• Partner with our product and science teams to continually enhance our product offerings and model capabilities, driven by customer feedback.About You• You possess fluency in English.• You hold a degree in Computer Science, Software Engineering, or a related discipline.• You have a minimum of 2 years experience as a technical contributor in advanced technology environments.• You demonstrate strong coding proficiency in Python and TypeScript.• Your passion for AI and innovation is evident in your work ethic and collaborative spirit.

Join Us in Cultivating Cybersecurity Awareness! At tryriot, we are a product-driven team dedicated to enhancing the cybersecurity culture within organizations. Our goal is to embed effective cybersecurity practices among employees in a manner that is engaging and enjoyable—think of us as the Duolingo for cybersecurity!Our innovative platform facilitates the rollout of a comprehensive cybersecurity awareness program, delivering bite-sized chat-based courses lasting just four minutes to teams. Post-training, we conduct simulated phishing attacks to prepare employees for real-world threats in a controlled environment.Founded in 2020, tryriot has successfully secured $45 million in funding from top investors, including Y Combinator, Left Lane, Base10, Funders Club, and Frst Capital. We proudly safeguard over 2 million employees across more than 2,000 companies globally, including industry leaders like Intercom, Deel, and Deezer.As cybersecurity threats continue to escalate, it has become the foremost risk for organizations of all sizes. Unfortunately, the cybersecurity culture in many companies is lacking. We are determined to change this narrative by strengthening the weakest link—employee awareness.As the second security engineer in our dynamic organization, you will play a pivotal role in advancing our security governance strategy, risk management, and compliance initiatives. Our aim is to achieve ISO 27001 and ACN certification by 2026, and your expertise will be instrumental in driving our compliance efforts and transforming security into a catalyst for business growth.

We are seeking an innovative and skilled AMI Engineer to join our dynamic team at ami. As an AMI Engineer, you will play a pivotal role in the development and implementation of advanced metering infrastructure (AMI) solutions. Your expertise will contribute to the optimization of our energy management systems, enhancing efficiency and sustainability.If you are passionate about smart grid technology and looking for an opportunity to make a significant impact in the energy sector, we want to hear from you!