861 backend developer English-speaking jobs in Île-de-France

About Mistral Mistral provides full-stack AI solutions: from frontier models to developer tools, applications ... What You Will Do Backend Development Design, develop and maintain scalable, robust backend features ... Contribute to systems powering authentication, billing, AI tooling, observability, connectors, and developer ... Your work will involve building robust, high-performance backend systems and APIs to support our rapidly ... Stay up-to-date with new technologies (e.g., AI/LLM integration, observability, or backend frameworks

tools (for example GitHub Copilot, Claude Code) to improve developer experience and delivery.Nice to ... across global, cross‑functional stakeholders.Proactive learner with pragmatic adoption of AI‑assisted developer ... Key ResponsibilitiesAs a Backend Engineer within Advanced Analytics (DA3) in the Chief Data & AI Office ... contribute to scalable internal platforms and shared services that accelerate teams worldwide.As a Backend ... Engineer, you are in charge of the following responsibilities:Design, build, and maintain backend services

We need a Full-Stack Developer able to work on Python Backend development ecosystem. ... expertise with more than 5 years of experience in creating complex and robust backend systems using ... Backend Development: Proficient in Python, API design, and database integration, SQL (PostgreSQL) and ... Qualifications Required experience & competencies: Professional Experience: Backend Development: Strong ... duties and responsibilities: Design and implement scalable, business features on functionality for backend

We need a Full-Stack Developer able to work on Java Backend development ecosystem. ... Responsibilities Design and implement scalable, business features on functionality for backend systems ... Qualifications Professional Experience: Backend Development: Strong expertise with more than seven years ... of experience in creating complex and robust backend systems using Java, including API design and database ... Backend Development: Proficient in Java, API design, and database integration, SQL (PostgreSQL) and NoSQL

And to support our growth, we’re hiring a Frontend Developer & Practice Lead. ... You’ll be interacting with our backend developers to define the API contracts. ... Role We're looking for a passionate Frontend Developer who will also serve as our Frontend Practice Lead ... Vitals, bundle optimization) Experience with CI/CD pipelines for frontend applications Familiarity with backend

usage of our toolsWe have ambitious goals ahead of us and in that context, we are looking for a Senior Backend ... using Kubernetes, Terraform and AWS.building tooling, features & guidelines that contribute to a great Developer ... of all features of the Dashboard PlatformTaking ownership, research, explore and deliver world‑class developer ... agentsRigor in high code quality, automated testing, and other engineering best practicesYou care a lot about Developer

Backend Developers to design clear, efficient, and maintainable API contracts. ... We are looking for a Senior Frontend Developer to maintain technical excellence across the frontend stack ... Your mission As a Frontend Developer, you will act as both a key technical contributor and the frontend ... Vitals, bundle optimization).Experience with frontend CI/CD pipelines.Comfortable collaborating with backend

We are hiring Senior Backend Software Engineers across all teams. ... As a Senior Backend Software Engineer, you will be responsible for: Developing bank connectivity and ... operational constraints of the industry Proven track record designing and owning complex, distributed backend

on technical direction and hiring calibration What You Need Typically 6+ years shipping production backend ... This role exists because we're building a first‑class Developer Platform, opening Vibe's full capabilities ... outcomes Collaborate directly with external partners to define, validate, and evolve data contracts Developer ... campaign management endpoints built to scale Develop documentation, monitoring, and tooling that makes the developer ... GraphQL APIs) Familiarity with GCP or multi‑cloud environments Experience designing or contributing to developer‑facing

experience designing endpoints in direct collaboration with frontend engineers, delivering both Open API and developer ... You will get fast feedback from our users and will iterate quickly (we update the backend multiple times ... Role Summary We\'re looking for a Senior backend engineer to own the pricing system for all apps at Photoroom ... initiatives and pricing architecture while collaborating closely with other engineers (both frontend and backend ... ensuring we can continue to scale to ever greater usages About You You have 5+ years of experience in backend

About the RoleAs a Backend Software Engineer (IC3), you will help create the backend layer that supports ... capabilities.Partner with applicative squads to connect backend services with the tools, context, and ... make these foundations useful across multiple AI use cases.Our tech environmentTypeScriptNode.js for backend ... reliable production services.Review code, challenge design decisions, and raise the quality bar on backend ... Actions for CIKey responsibilitiesBackend services for AI‑native experiencesDesign, build, and operate backend

Your main responsibilities will be: Backend Engineering: Design, build, and maintain efficient, reusable ... Comeen is recruiting a Senior Laravel/Vue.js Developer in Paris. 🤠 The company Comeen is a leading workplace ... distributed team of 30+ Comeeners and we have offices in France and in the US. ✨ The job As a fullstack developer

reusable agent components and patterns that raise the capability of the whole team and use AI-assisted developer ... You will work in a cross-functional environment with Computational Linguists, Backend Engineers, and ... just platform configuration—who can architect multi-turn dialogue systems, integrate them with live backend ... handling, fallback and escalation paths, and graceful error recovery Integrate voice agents with backend ... configuration on major conversational AI platforms Experience integrating voice agents with containerised backend

Development Team Is Currently Composed Of The CTO 2 junior fullstack developers 1 medium fullstack developer ... Experience Exp. with concepts such as: Hexagonal architecture, Clean, Onion, CQRS Exp. setting up a backend ... architecture to better scale Help the CTO improve the project Help migrate the architecture on Terraform 50% backend

Join to apply for the Backend Engineer - Marketing Technology role at Proton Join to apply for the Backend ... Internet Referrals increase your chances of interviewing at Proton by 2x Get notified about new Back End Developer ... Engineer - Marketing Technology role at Proton Purpose of the role As a Backend Engineer in Marketing ... If you’re a self starter and results-driven backend engineer, and you thrive in a fast-paced environment

You have experience with backend technologies such as Java and Go, and distributed infrastructure including ... Experience with observability platforms, internal developer platforms, operational tooling, developer ... You'll lead the design and delivery of shared platform capabilities that reduce developer friction, improve ... solve company‑wide challenges spanning cost intelligence, operational tooling, platform health, and developer ... Drive reusable platform services and developer workflows that increase engineering autonomy while reducing

Software Developer in Paris, France. ... The successful candidate will collaborate closely with Android, Backend, QA, DevOps, and Product teams ... product and architectural objectives.Collaborate with Product Management, Security, QA, DevOps, and Backend ... The Senior Software Developer (iOS) plays a key role in the design, development, and delivery of secure ... with performance profiling and advanced debugging tools on iOS.Experience designing public APIs and developer-facing

power complex financial workflows.Raise the bar on code quality — Improve testing, performance, and developer ... You’ll help design and buildfrontend and backend features, infrastructure components, and internal tooling ... core products — Implement new features across the stack (UI, APIs, services) in OCaml.Design reliable backend

Technical interview with a developer: a live coding session of 1 to 1.5 hours. ... Node.js backend: API design, auth, error handling, observability. ... You will report to the Head of Engineering and collaborate with other departments to build the backend

Tooling & developer experience: Improve mobile developer productivity by evolving tooling, build systems ... API & data integration: Collaborate closely with backend teams to design and integrate robust APIs and ... data flows, and occasionally contribute targeted improvements to backend code to support mobile product