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

About MistralMistral provides full-stack AI solutions: from frontier models to developer tools, applications ... on creating robust, high-performance systems that support authentication, billing, AI tooling, and developer ... systems serving millions of users.Build and improve systems for authentication, billing, AI tooling, and developer ... We are creative, low-ego and team-spirited.The RoleAs a Backend Engineer on the Engineering team, you ... Our team develops the backend infrastructure and APIs that enable Studio, Vibe, and Vibe Code, shaping

Missions Design and implement backend architecture for autonomous agents using advanced orchestration ... between Data Science and Core Engineering, translating agentic research into scalable, maintainable backend ... Requirements Minimum 8+ years of professional experience in backend software engineering Proven ... Working Conditions Role type: Full-Time, Senior Level Experience required: Minimum 8+ years in backend

As a Back End Developer at Earnix, you will be an integral part of our Engineering team, reporting to ... Knowledge of integrating LLMs and AI tools into backend systems. ... Strong proficiency in TypeScript and/or Python for backend development. ... You'll Do It Using At least 6+ years of experience in backend software engineering. ... Integrate AI capabilities (including LLMs and agentic tools) into backend workflows and services.

Claude Code) to improve developer experience and delivery. ... Senior Backend Engineer (m/f/d) Key responsibilities As a Backend Engineer within Advanced Analytics ... Proactive learner with pragmatic adoption of AI-assisted developer tools (for example GitHub Copilot, ... backend services and REST APIs powering AI-enabled solutions: clean interfaces, robust domain models ... As a Backend Engineer, you are in charge of the following responsibilities: Design, build, and maintain

innovative terrestrial applications and long-duration space missions.About the RoleAs Mid-level Full Stack Developer ... You will develop backend and automation services, contribute to our React-based BioApp, and integrate ... designers to connect devices, data, and interfaces seamlessly.ResponsibilitiesDevelop and maintain backend ... Qualifications3-6 years of experience in full-stack developmentProficiency in Python (FastAPI) and modern backend

our Backend Guild, where engineers share knowledge, shape technical standards, and improve developer ... As a Backend Engineer at the company, you will Design, build, deploy, and maintain services handling ... Mission: Join us as a Backend Engineer to build the financial infrastructure that 600,000+ European SMEs ... Beyond your immediate team, you'll stay connected with the company's wider Backend community through ... About You Technical expertise: Strong backend engineering experience with exposure to large-scale web

companies in France and Brazil.ð Your future position:Swile is actively seeking a Senior Salesforce Developer ... As a Senior Salesforce Developer, you will be responsible for :Development ðð»‍ð»Develop solution design ... our Salesforce tech stack : APEX,  Visualforce, Aura & LWCKnowledge of Ruby on Rails or appetite for backend ... end-to-end delivery,Contribute to adjacent technical areas, including marketing tools, data contracts, backend

TASKS Backend & APIs: Design, develop, and maintain backend services and APIs that provide access ... JOB DESCRIPTION As a Full-Stack Developer at VeepeeTech, you will join the monitoring team within the ... Backend development: Hands-on experience with Python or Go, including designing and building REST APIs

without direct authority and collaborate across organizational boundaries.You have experience with backend ... You'll lead the design and delivery of shared platform capabilities that reduce developer friction, improve ... platforms, operational tooling, developer productivity solutions, or AI-powered engineering workflows ... solve company-wide challenges spanning cost intelligence, operational tooling, platform health, and developer ... health, troubleshoot incidents, and improve operational efficiency.Drive reusable platform services and developer

Practical experience setting up or customizing AI developer agents and automated AI workflows. ... Helix is our flagship Ad-Network team of around 60 top-tier engineers and data scientists spanning backend ... Senior Product Managers, QA/Release Engineers, and five exceptional Senior Engineers specialized in backend ... integrating agentic workflows, LLMs, and AI-driven automation tools to solve complex challenges and elevate developer

As an experienced Senior Developer, you have a proven track record dealing with scaling challenges, distributed ... processing high volumes of data.Education: Engineering degree (or university equivalent) required for the 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. •     Asynchronous processing ... You will report to the Head of Engineering and collaborate with other departments to build the backend

Mentor other engineers and share your knowledge across the Backend Blockchain community. ... The Ledger Wallet, Ledger Button and Wallet XP teams as consumers of the team's backend APIs. ... The team To sustain the company's growth, Ledger is looking for a Senior Scala Backend Engineer to join ... This team builds and operates the backend services that power blockchain account management, transaction ... What we're looking for 5+ years of backend engineering, with real production ownership of distributed

Mentor other engineers and share your knowledge across the Backend Blockchain community. ... The Ledger Wallet, Ledger Button and Wallet XP teams as consumers of the team's backend APIs. ... The team To sustain the company's growth, Ledger is looking for a Senior Scala Backend Engineer to join ... This team builds and operates the backend services that power blockchain account management, transaction ... What we’re looking for 5+ years of backend engineering, with real production ownership of distributed

You care about clean code, architecture, testing, API design, and building robust backend systems.

Passionate about developer experience - clear APIs, great docs, and reliability at scale. ... Working closely with backend teams to ensure the underlying systems we build are aligned to support our ... Excellent communication skills and experience collaborating with product, design, and backend peers.

Strong experience with Python/Django or similar backend frameworks. ... You’ll work closely with engineers, reviewers, developer relations, and Add-ons leadership to turn ideas ... Work on: Full stack development: React/TypeScript frontends, Django backend, MySQL datastore.

Develop the Technogym Digital product portfolio's turnover and profitability. Support sales, train customers, create case studies, and manage pipeline. Requires 7+ years in digital sales, strong relationship skills, and market analysis ability.

Our partner is looking for a Senior Backend Engineer - Payments & Fintech based in France. ... This is a high-impact backend engineering role focused on rebuilding and scaling the financial systems ... The role combines deep backend engineering with complex financial workflows spanning multiple payment ... Requirements 6–10 years of backend engineering experience, with deep expertise in Go and strong relational

Design highly scalable, mission-critical systems Obsess over latency (every nanosecond counts) Implement backend ... The team is responsible for building a cohesive developer-first API and is tasked with planning, ideating ... open-source contributions and fostering a vibrant community, continuously enhancing our award-winning, developer-friendly