Backend Software Engineer - H/F

Join the dynamic technical teams at iad Business Factory, where you will work under the guidance of an Engineering Manager. You will be part of a collaborative squad consisting of developers, Product Owners, Project Managers, Quality Assurance specialists, and designers, all focused on enhancing our Playiad application.Your role will involve developing innov…

About MistralAt Mistral AI, we harness the power of artificial intelligence to streamline tasks, enhance productivity, and foster creativity. Our innovative technology integrates seamlessly into everyday workflows, helping businesses leverage AI effectively.We democratize access to AI through high-performance, optimized, open-source models and solutions designed to meet the diverse needs of enterprises, whether deployed on-premises or in the cloud. Our offerings include 'le Chat', an AI assistant tailored for both personal and professional use.As a dynamic and collaborative team, we are passionate about AI's potential to transform society. Our diverse workforce excels in competitive environments, driving innovation with creativity, humility, and teamwork. Our team operates across France, the USA, the UK, Germany, and Singapore.Join us in our mission to shape the future of AI and make a meaningful impact together. Learn more about our vibrant culture on https://mistral.ai/careers.Role OverviewWe are on the lookout for a proactive, organized, and experienced Executive Assistant to provide vital support to our VP of Engineering in a fast-paced scaleup environment. The ideal candidate will embody a strong work ethic, possess exceptional communication skills, and manage a variety of tasks with professionalism, diligence, and confidentiality.Primary Responsibilities• Calendar & Schedule Management: Oversee the VP's calendar, coordinating meetings, appointments, and travel logistics.• Correspondence & Communication: Manage all incoming and outgoing communications, including emails, letters, and telephone interactions.• Document & Presentation Management: Create and manage essential documents, presentations, reports, and meeting agendas.• Meeting & Event Coordination: Organize and facilitate meetings and events by liaising with staff, clients, and suppliers.• Office Systems & Confidentiality: Maintain office systems, including filing and database management, while handling sensitive information discreetly.• Travel Coordination: Arrange both domestic and international travel as required.• Stakeholder Liaison: Serve as a point of contact among executives, employees, clients, and external partners.• Project Support: Assist in project management tasks as needed.

About Mistral At Mistral AI, we harness the transformative power of Artificial Intelligence to streamline tasks, save valuable time, and elevate learning and creativity. Our innovative technology is crafted to seamlessly integrate into everyday workflows.We are committed to democratizing AI through our high-performance, optimized, open-source models, products, and solutions. Our extensive AI platform caters to enterprise requirements, whether hosted on-premises or in the cloud. Included in our offerings is le Chat, an AI assistant designed to enhance both life and work.Our dynamic and collaborative team is passionate about the potential of AI to revolutionize society. We pride ourselves on a diverse workforce that thrives in competitive environments and is dedicated to fostering innovation. With teams spread across France, the USA, the UK, Germany, and Singapore, we embody creativity, humility, and a strong team spirit.Join us in being part of a pioneering organization that is shaping the future of AI. Together, we can create a significant impact. Discover more about our culture at https://mistral.ai/careers.Role Overview We are on the lookout for exceptionally skilled Site Reliability Engineers (SRE) to enhance the reliability, scalability, and performance of our platform and customer-facing applications. You will collaborate closely with our software engineers and research teams to ensure our systems not only meet but exceed the expectations of our internal and external customers.Location: Remote - EuropeReporting Line: Team Lead, Site Reliability EngineerKey ResponsibilitiesAs a Site Reliability Engineer, you will adeptly balance daily operations on production systems with long-term software engineering enhancements to minimize operational toil while enhancing the reliability, availability, and performance of these systems.Operations (50%)• Design, build, and maintain scalable, highly available, and fault-tolerant infrastructures to support our web services and machine learning workloads.• Ensure our platform, inference, and model training environments are consistently highly available and facilitate seamless replication of work...

About Mistral AIAt Mistral AI, we harness the transformative potential of artificial intelligence to streamline tasks, conserve time, and foster creativity and learning. Our technology is engineered for seamless integration into everyday workflows.Our mission is to democratize AI through high-performance, optimized, and open-source models and solutions tailored for enterprises, whether on-premises or in the cloud. Among our offerings is le Chat, an AI assistant designed to enhance both personal and professional life.We pride ourselves on being a vibrant, collaborative team, united by our passion for AI and its capability to revolutionize society. Our diverse workforce excels in competitive environments and is dedicated to driving innovation. Our teams are spread across France, the USA, the UK, Germany, and Singapore, characterized by creativity, humility, and a strong team spirit.Join us in shaping the future of AI at Mistral, where your contributions can lead to significant societal impact. Discover more about our culture at https://mistral.ai/careers.

About MistralAt Mistral AI, we harness the transformative power of artificial intelligence to streamline workflows, enhance creativity, and promote efficient learning. Our innovative technology seamlessly integrates into everyday operations, delivering tangible benefits.We are committed to democratizing AI through high-performance, optimized, and open-source models and solutions. Our comprehensive AI platform caters to enterprise requirements, whether in on-premises or cloud environments. Our flagship product, le Chat, serves as an AI assistant tailored for both personal and professional use.As a dynamic and collaborative team, we are passionate about AI's potential to revolutionize society. Our diverse workforce excels in competitive environments and is dedicated to fostering innovation. We have teams located across France, the USA, the UK, Germany, and Singapore, sharing a culture that values creativity, humility, and teamwork.Join us in shaping the future of AI at a pioneering company. Together, we can make a significant difference. Discover more about our culture at https://mistral.ai/careers.About The RoleAs an Evaluation Engineer within the Applied AI team, you will be a key member of Mistral's customer-facing technical organization. Our mission is to collaborate directly with enterprise clients, guiding them from pre-sales through implementation to deploy advanced AI solutions that yield measurable business outcomes. Your role will blend deep machine learning expertise with robust customer engagement, functioning like a startup CTO who oversees complete project execution.In the realm of AI, many brilliant ideas remain unmeasured or unrealized. As our inaugural Evaluation Engineer, you will establish the methodology, develop the necessary infrastructure, and clarify what constitutes 'production-ready' across various sectors and applications.Your responsibilities will include designing and implementing evaluation systems that empower our clients to assess model performance tailored to their unique use cases. You'll be instrumental in building a resilient evaluation infrastructure and collaborating closely with both research and client-facing teams.While our research teams develop evaluations for cutting-edge capabilities, our clients seek practical, domain-specific, risk-aware evaluations that are production-ready. You will create frameworks that assess whether a medical summarization model is reliable or if a legal assistant can accurately interpret complex legal texts.

About Mistral AI Mistral AI builds high-performance, open, and efficient AI systems designed for the next wave of applications. The team develops and operates advanced infrastructure that connects large-scale distributed systems, cloud platforms, and high-performance computing (HPC) environments. This backbone supports both research and production workloads at scale. The company values collaboration and a low-ego approach, bringing together skilled professionals across Europe, the United States, and other regions. As Mistral AI grows, the team is establishing core infrastructure to support thousands of nodes and systems handling petabytes of data. Learn more about the team and company culture at https://mistral.ai/careers.

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.

About MorphoMorpho is at the forefront of Decentralized Finance (DeFi), operating a cutting-edge lending protocol that has recently garnered $50 million in funding from renowned investors, including Ribbit Capital, a16z crypto, and Coinbase Ventures. Our vision is to create an open lending network that democratizes access to the best financial terms for all. With over $10 billion in deposits, Morpho is rapidly redefining the standards of DeFi lending. We are expanding our team to solidify our position as a key player in the emerging internet-native financial ecosystem.Our MissionAt Morpho, we believe in empowering human ambition by providing open access to capital. The current financial landscape is fragmented, leaving many opportunities unseen and many individuals overpaying or entirely excluded. We strive to ensure that capital flows efficiently to where it is most needed, enabling anyone, anywhere, to access optimal terms.LocationThis role can be based in Paris or remotely (candidates located between -5 GMT and +2 GMT are encouraged to apply to ensure effective collaboration with our team).Our Work CultureWe thrive in a fast-paced environment where tackling challenging problems is the norm. As we navigate this evolving market, adaptability is crucial. We foster a culture of open communication where questioning decisions is encouraged. Our team maintains high standards while supporting each other to overcome obstacles and share knowledge. To learn more about our values, visit morpho.org/jobs.Role & ResponsibilitiesAs a Backend Engineer, you will be responsible for designing, building, and maintaining high-performance backend services and APIs that are crucial to Morpho’s user-facing features. Depending on your level of experience, you may take ownership of specific backend domains, mentor junior engineers, and contribute to cross-team initiatives.Your Responsibilities Include:Develop, deploy, and maintain backend services using TypeScript/Node and GraphQL, ensuring reliable and low-latency experiences for users.Design and optimize relational data schemas (PostgreSQL) for accuracy, performance, and maintainability.Collaborate with cross-functional teams including frontend, product, protocol, risk, and security to deliver seamless integrations.

Trade Republic Bank is looking for recent graduates to join the Backend Engineering Program in Paris. This team builds and maintains the core systems behind Europe’s leading savings platform, which serves over 10 million customers across 18 countries and manages more than €150 billion in assets. This program offers a hands-on introduction to backend engineering in a high-impact, real-world setting. Graduate engineers work alongside experienced developers who provide mentorship and support as you move from academic knowledge to building production-ready systems. What you will do Contribute to backend services using modern JVM technologies such as Kotlin, Java, and Spring Assist in designing and developing scalable, reliable systems Work with APIs, databases, and service-oriented architectures Learn to write clean, maintainable, and well-tested code Collaborate with Product and Engineering teams to deliver features for users Gain exposure to cloud infrastructure (AWS), containerization, and CI/CD pipelines Help debug, monitor, and improve system performance Gradually take ownership of well-defined technical projects Learning and growth Participants will see how backend systems are built, deployed, and scaled in a live production environment. The program is designed to help you develop practical engineering skills while contributing to projects that matter to millions of users.

Join Mistral AI as a Senior Applied AI Engineer specializing in DevOps/SRE. In this pivotal role, you will drive the integration and implementation of cutting-edge AI solutions, collaborating closely with clients to solve intricate technical challenges and enhance their operations. As part of our dynamic team, you'll engage in diverse tasks ranging from architecture discussions to data management and application development, all while shaping the future of AI technology.

About Mistral AIAt Mistral AI, we harness the transformative power of artificial intelligence to streamline processes, enhance productivity, and foster creativity. Our innovative technology integrates effortlessly into everyday workflows, making AI accessible and beneficial for all.We are committed to democratizing AI through our suite of high-performance, optimized, open-source models and solutions. Our comprehensive AI platform is tailored for enterprise needs, whether deployed on-premises or in the cloud. Our flagship offering, le Chat, serves as an AI assistant that enhances both personal and professional lives.Our team is a vibrant and collaborative mix of passionate professionals dedicated to the potential of AI to reshape society. With team members spread across France, the USA, the UK, Germany, and Singapore, we thrive in competitive settings and prioritize innovation. We are known for our creativity, humility, and team spirit.Join us in our mission to redefine the future of AI. Together, we can make a significant impact. Discover more about our unique culture at mistral.ai/careers.Job Overview:We are looking for a Technical Lead in Applied AI to spearhead the technical strategy and execution of complex AI solutions tailored for our enterprise clients. In this pivotal role, you will lead project teams of Applied AI Engineers, ensuring the successful implementation of Mistral AI products while developing impactful and scalable AI use cases.You will serve as the primary technical liaison for our most important clients, guiding them through every stage—from pre-sales to post-deployment—while closely collaborating with research, product, and engineering teams to influence the evolution of our offerings.As a Technical Lead, you will connect cutting-edge AI research with practical enterprise applications, ensuring our solutions are robust, scalable, and aligned with both client expectations and Mistral’s technological vision.Key Responsibilities:- Act as a key individual contributor, writing essential code for our complex projects. You will engage hands-on to mitigate risks associated with critical components, remaining deeply involved in coding, reviewing, and optimizing AI solutions.- Lead technical teams in executing project objectives, ensuring alignment with both business goals and customer requirements.

About Mistral AIMistral AI is at the forefront of artificial intelligence, committed to transforming the way we work and learn. Our innovative technology is crafted to effortlessly integrate into daily routines, streamlining tasks and fostering creativity.We aim to democratize AI by providing high-performance, optimized, open-source models and solutions. Our robust AI platform caters to enterprise requirements, whether deployed on-premises or in the cloud. Among our offerings is le Chat, an AI assistant designed to enhance both personal and professional life.As a vibrant and collaborative team, we are united by our passion for AI and its potential to revolutionize society. Our diverse workforce thrives in dynamic environments and is dedicated to pioneering innovation. With teams spread across France, the USA, the UK, Germany, and Singapore, we embrace creativity, humility, and a spirit of collaboration.Join us in shaping the future of AI and making a meaningful impact. Discover more about our culture at https://mistral.ai/careers.Role OverviewMistral AI is on the lookout for enthusiastic Applied Scientist and Research Engineer Interns to spearhead innovative research and collaborate with clients on intricate projects. You will be instrumental in developing state-of-the-art models across various modalities, including text, image, and speech. By pioneering new methodologies, you will apply these models to a wide array of use cases and domains. In this role, you will work cross-functionally with internal and external teams to deliver impactful AI solutions that drive progress.This internship is available at our offices in Paris and London.Key Responsibilities• Execute pre-training, post-training, and deployment of state-of-the-art models on clusters equipped with thousands of GPUs, maintaining composure in the face of technical challenges.• Generate and curate data for training and evaluation, ensuring that model performance exceeds expectations.• Develop essential tools and frameworks to streamline data generation, model training, evaluation, and deployment processes.• Collaborate with cross-functional teams to address complex use cases utilizing agents and RAG pipelines.• Oversee research projects and manage communications with client research teams.Your Profile• You possess fluent English communication skills and are adept at articulating intricate technical concepts to both technical and non-technical audiences.

About LuoPayLuoPay is a rapidly expanding financial exchange (FX) and cross-border payment platform headquartered in Africa. We empower African businesses to settle payments with their international suppliers more swiftly, transparently, and competitively than conventional methods.Having swiftly established our brand in several markets, we are eager to expand our engineering team and continue enhancing the financial infrastructure for FX and cross-border payments across Africa.Role OverviewAs a Senior Backend Engineer, you will collaborate with a skilled team of engineers to develop a wide array of customer-facing products, internal tools, and financial systems. Your contributions will be pivotal in maintaining and enhancing a payment infrastructure that handles millions of euros in transactions daily.Key ResponsibilitiesDesign and implement production-grade HTTP APIs using Golang.Create API integrations with fintech partners.Influence architectural decisions.Establish CI/CD pipelines.Deploy resources and services on Google Cloud Platform.Implement best practices for Site Reliability Engineering (SRE) and security.Conduct comprehensive testing.Utilize AI-driven development methodologies.What We Are Looking ForA minimum of 6 years of backend development experience.Extensive knowledge of Golang.Proficient in working with SQL databases.Experience in managing infrastructure on Google Cloud Platform or other cloud services.Ability to thrive in a fast-paced team environment.Familiarity with large language model (LLM) driven development.Systems Developed at LuoPayA payment platform tailored for businesses in Africa.Internal tools for payment operators, treasury analysts, and FX traders.AI applications for OCR and invoice approval.KYC onboarding processes.Anti-Money Laundering and Transaction Monitoring systems.Core Banking and Ledger Systems.Automated payouts with banking partners.

Join our dynamic team at Iliad as a Backend Python Developer in Paris! We are looking for passionate and skilled individuals to contribute to our innovative tech projects. You will work closely with cross-functional teams to design and implement robust backend systems, ensuring high performance and responsiveness to requests from the front-end.Key Responsibilities:Develop and maintain server-side applications using Python.Collaborate with front-end developers to integrate user-facing elements.Optimize applications for maximum speed and scalability.Participate in code reviews and contribute to team knowledge sharing.Stay updated with emerging technologies and best practices.

About Mistral AI At Mistral AI, we harness the transformative power of artificial intelligence to streamline tasks, conserve time, and elevate learning and creativity. Our innovative technology is crafted to fit seamlessly into everyday work environments. We democratize AI by offering high-performance, optimized, open-source models, products, and solutions. Our all-encompassing AI platform caters to the needs of enterprises, whether deployed on-premises or in cloud settings. As a vibrant and collaborative team, we are deeply passionate about AI and its potential to revolutionize society. Our diverse workforce thrives in competitive landscapes and is dedicated to fostering innovation. Our teams span across France, the USA, the UK, Germany, and Singapore, embodying creativity, humility, and a strong team spirit. Join us in our mission to shape the future of AI and make a significant impact together. Discover more about our culture at https://mistral.ai/careers. About the TeamThe Proto Team is dedicated to delivering AI use cases for clients within tight deadlines. We aim to be the flagship of the Applied AI team, sharing our endeavors both internally and externally through open-source tools, blog entries, demonstrations, and more. Our strategy revolves around stimulating product innovation through constant feedback and contributions.About the RoleAs an Applied AI Engineer on the Proto Team, you will conceptualize and implement groundbreaking AI solutions that not only inspire clients but also push the boundaries of technology. You will be responsible for designing, building, and deploying full-stack AI-powered prototypes while collaborating closely with global clients.Your role will require managing the delivery of these solutions and engaging with various stakeholders, including the CEO, CTO, data scientists, and software engineers, establishing yourself as a vital technical leader throughout the engagement.What You Will DoDesign and implement full-stack AI prototypes for global clients: lead the development and deployment of end-to-end AI solutions from concept through to production.Foster technical innovation and adoption: partner with research, product, and engineering teams to create internal tools and contribute to open-source initiatives.Facilitate customer engagement and project scoping: conduct discussions with clients to identify their use cases, challenges, and needs, translating these into actionable technical solutions.Tackle complex, real-world AI challenges: delve into varied client problems across multiple sectors, focusing on cutting-edge Generative AI applications.About YouCore QualificationsProficiency in English.Able to excel in a fast-paced, ambiguous environment.

About Us Safran.AI, formerly known as Preligens, is a subsidiary of Safran Electronics & Defense, specializing in artificial intelligence solutions for analyzing high-resolution satellite imagery, full motion video (FMV) streams, and acoustic signals. Our innovative solutions are implemented in the aerospace, defense, and governmental sectors. Since 2016, our company has been developing sophisticated algorithms and software that automatically analyze, detect, and identify military-relevant objects from both commercial and governmental data sources. Following our integration into Safran in September 2024, Safran.AI is also playing a pivotal role in the group’s transformation by applying AI solutions to Industry 4.0 sectors. For example, automated image analysis through AI aids inspectors in identifying potential anomalies in critical components from digital images. At Safran.AI, innovation and the creation of a safer world are at the core of our mission. By joining us, you will collaborate with passionate, multidisciplinary teams (engineers, researchers, developers) among the industry's most talented professionals, all driven by a shared commitment to technological excellence. We provide a stimulating work environment where creativity and initiative are encouraged, and every idea matters. Your Mission, Should You Choose to Accept It As part of Project Robin, an innovative solution for monitoring strategic sites via satellite imagery and AI, already in production with several clients, you will join a team of 7 developers. Together, you will focus on evolving various backend modules with strong scalability and modularization challenges (data pipeline, database, API, orchestration, deployment). Note: The ability to obtain a Defense clearance is mandatory for this position. As a Senior Software Engineer, you will play a central role in bringing your technical expertise to the design, development, and implementation of our complex software solutions. Your responsibilities will include:→ Maintaining and evolving web applications (Python/FastAPI and JavaScript/React).→ Designing, developing, and maintaining our backend infrastructure and automated pipelines (Python, Airflow, PostgreSQL).→ Collaborating closely with all teams and subject matter experts to understand end-user needs.

About UsAt Harmattan AI, we are pioneering the development of autonomous and scalable defense systems. With a recent $200 million Series B funding round that has raised our valuation to $1.4 billion, we are poised for growth and are seeking talented individuals to join our mission of delivering cutting-edge systems to allied forces.Our guiding principles are centered around creating impactful technologies, striving for excellence, setting ambitious objectives, and confronting complex technical challenges head-on. We thrive in a dynamic environment where accountability, precision, and execution are critical.About the RoleWe invite a passionate Backend Software Engineer to become a vital part of our C2 Core team in Paris. In this role, you will be instrumental in developing the foundational architecture for our advanced tactical Command and Control (C2) application. You will operate in a high-stakes, technical environment where low latency, high availability, and secure data management are crucial.Your primary responsibilities will involve ensuring seamless data flow for real-time telemetry, high-bandwidth video streams, and mission commands between our fleet of robots and the internal C2 components, including the Common Operational Picture (COP) and Mission Planner. This system is designed for deployment on ruggedized tactical PCs in field environments often characterized by limited network connectivity.

At Swile, we are committed to enhancing professional experiences through innovative product solutions that alleviate daily challenges and elevate employee satisfaction. Our cutting-edge offerings in Fintech, Travel, HR, and Employee Benefits serve over 5.5 million users across 85,000 companies in France and Brazil, making a significant impact on the workplace.As a Senior Software Engineer, you will play a pivotal role in problem-solving, blending creativity with technical expertise. Your focus will be on delivering high-quality solutions swiftly and effectively, addressing both business and engineering challenges with innovative strategies rather than being restricted to specific technologies.

About Mistral AIAt Mistral AI, we harness the transformative power of artificial intelligence to simplify processes, save time, and foster creativity and learning. Our innovative technology is crafted to seamlessly integrate into everyday workflows.We are committed to democratizing AI through our cutting-edge, optimized, and open-source models, products, and solutions. Our extensive AI platform is tailored to meet the needs of enterprises, whether on-premises or in cloud infrastructures. Our offerings include 'le Chat', the AI assistant designed for both personal and professional use.We are a vibrant, collaborative team driven by our passion for AI and its potential to revolutionize society. Our diverse workforce thrives in competitive settings and is dedicated to fostering innovation. Our teams are spread across France, the USA, the UK, Germany, and Singapore, and we pride ourselves on being creative, humble, and team-oriented.Join us to shape the future of AI and make a meaningful difference. Discover more about our culture at https://mistral.ai/careers.

Join us at iliad-free in Paris as a Staff Engineer specializing in Python. You will take on a pivotal role in our ambitious program aimed at modernizing and evolving our backend systems.Your primary responsibility will be to lead the technical direction of our information system backend, which manages all Free subscribers, including subscription processes, subscriber spaces, and additional services such as video streaming and mobile phone sales.In this role, you will develop a deep understanding of complex business processes executed by our system, such as billing for third-party services, subscription management, and fiber optic connections.You will guide the team in defining the architecture of this distributed system while actively contributing to development using Python, ensuring hands-on involvement.Your expertise will drive development practices that prioritize resilience, quality, testability, and speed of delivery. Additionally, you will be instrumental in establishing robust operational methods in a model where development teams manage their solutions in production, with a constant focus on performance and scalability.