Emplois de application engineer – Paris

Jobtailor is seeking a backend engineer to design and develop the backend for AI systems. You will build AI-focused backend applications with Python, emphasizing production-grade code.Contribute to the backend of Reemia’s interface, implementing architectures for agent orchestration capable of handling large data volumes, in a cloud environment (AWS)....

ScorePlay is the AI media platform for sports, built to power the stories that connect clubs, athletes and fans. We work with 270+ clubs, leagues and federations – including Ligue 1 and Premier League clubs, NBA and NFL teams, the Tour de France, the Australian Open, and leading bodies like UEFA and FIBA – helping them turn every moment on and off the...

Cette startup AI franco-américaine développe une nouvelle génération d’infrastructure de QA et de testing pour les applications mobiles, basée sur des agents IA.Dans un contexte d’accélération auprès de grands comptes, elle recherche un Forward Deployed Engineer pour prendre en charge le déploiement de sa technologie directement dans les...

Doctolib GmbH is seeking a Senior Software Engineer to join the ATP team in Application Platform Domain. You will design and deliver essential Python-based services, shape the roadmap, and drive platform improvements for scalability and security.You will collaborate with product, design and business teams in a hybrid work setup, with a strong focus on...

SeqOne is seeking a Bioinformatics Engineer to design, build, and operate production-grade bioinformatics pipelines. You will partner with research and product teams to translate scientific needs into reliable software, lead code quality efforts (reviews, testing, CI/CD) and help the team adopt best practices so analyses are reproducible and scalable.You...

About Mistral Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms. We are...

Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in...

RequirementsYou have 7+ years of experience in software engineering with a strong focus on large-scale frontend architecture,You have a proven track record of decoupling monolithic applications or building plugin architectures,You are proficient in React and TypeScript, and you possess deep knowledge of bundlers (Vite preferred), the TanStack ecosystem...

Doctolib is seeking a Senior Python Software Engineer to join the ATP team in the Application Platform Domain. You will design and deliver components that empower Doctolib teams to build robust services, mainly in Python and Java/Kotlin chassis, for a cloud-native platform used by 60+ services.You’ll work in a hybrid setup from Levallois, collaborating...

About usOwkin is an agentic AI company pioneering Biological Artificial Superintelligence to solve problems in biology where human researchers alone have failed.Owkin builds K Pro - an AI scientist for pharmaceutical research and strategic decision-making. K Pro orchestrates a suite of AI skills and tools to decode complex biology, accelerate research, and...

Les entreprises qui performent décident mieux. Depuis 2006, Ekimetrics aide les organisations à transformer leurs décisions en avantage concurrentiel durable grâce à des solutions d’IA. Notre double ambition est d’allier performance et durabilité, pour construire un leadership pérenne. Nos solutions sont une combinaison unique de People et de...

The Role Based in our Paris office, you’ll join one of several high-impact product teams focused on Proton Account, Lumo, and Meet, helping build the foundational experiences that power Proton’s ecosystem and the next generation of privacy-first products. From authentication, identity, and account security to privacy-preserving AI experiences and secure...

Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass, and Proton Calendar—tools used by...

Notre équipePlus de 90 ingénieurs issus des meilleures écoles d’ingénieurs et d’informatique (CentraleSupélec, 42, Télécom Paris, Polytechnique, Mines, etc.) composent notre équipe technique.Leur mission ? Concevoir, développer et faire évoluer des produits digitaux sur mesure pour nos clients : applications web/mobiles, plateformes métiers,...

We are looking for a hands-on Senior Software Engineer to work on the architecture, development, integration, testing, and delivery of Rivercell's instrument operating platform—the software that controls the hardware, executes biological protocols, monitors device performance, manages failures, and ensures the traceable acquisition of experimental data.The...

AboutSwan is Europe’s embedded banking specialist. We empower software companies to embed banking features like accounts, cards, and payments directly into their products, under their own brand. Swan processes over €1.5 billion in monthly transactions for more than 150 companies—like Pennylane, Indy, Agicap, Libeo, and Lucca. Founded in 2019, the...

Jobtailor is seeking a senior AI-focused engineer to design and deliver production-ready AI applications, including LLM-based agents. You will lead teams, oversee end-to-end solutions, and advise clients on best practices and architecture.You will work with Tomoro teams, ensure reliability and security, and contribute to responsible AI development with...

Jobtailor is seeking an experienced AI Engineer to design and deploy AI solutions at scale in a Paris-based environment. You will develop LLM/VLM applications, implement hybrid search and RAG pipelines, and build agentic systems that interact with internal tools and external data sources.The role requires strong Python and SQL coding skills, English...

Mistral AI seeks an Applied AI Engineer to design, implement, and deploy AI solutions for critical infrastructure and sovereign institutions. You will work on GenAI applications, fine-tuning, and LLM deployments at scale, ensuring security and regulatory compliance while collaborating with researchers and product teams.Ideal candidates have 2+ years in...

Jobtailor is seeking a senior AI-focused engineer to design and deliver production-ready AI applications, including LLM-based agents. You will lead teams, oversee end-to-end solutions, and advise clients on best practices and architecture.You will work with Tomoro teams, ensure reliability and security, and contribute to responsible AI development with...