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

six continents and offices in the Americas, Europe, Asia Pacific, and Israel.DescriptionAs a Back End Developer ... software engineering.Strong proficiency in Python and/or TypeScript for backend development.Experience ... quality, and deployment practices.Integrate AI capabilities (including LLMs and agentic tools) into backend ... LangGraph, MCP, or similar technologies (preferred).Knowledge of integrating LLMs and AI tools into backend ... leveraging LLM capabilitiesWhat You'll DoDesign, develop, deliver, and document secure and scalable backend

Cycloid is an Internal Developer Platform and an internal developer Portal with modules around self-service ... You will perform integration testing, validating that the Backend, Frontend, and Infrastructure logic ... You ensure the platform speaks "Human," not "Backend Exception," and help enforce guidelines ... journey.What You Will DoAs a full member of the Product Team, you will work hand-in-hand with Frontend, Backend ... We optimize the developer experience and operational efficiency by accelerating the delivery of a portal

Your day-to-day: Work with the Design, Backend, and Ops teams to develop features Contribute to unit ... Cycloid is an Internal Developer Platform and an internal developer Portal with modules around self-service ... impact We work in feature teams so, as you can imagine, you will closely collaborate with our Design, Backend ... We optimize the developer experience and operational efficiency by accelerating the delivery of a portal ... One goal: to make our internal developer platform and portal the leading platform tool in the world,

Cycloid is both an Internal Developer Platform and an Internal Developer Portal, with modules around ... Collaborate closely with product managers, frontend, backend, and DevOps teams to define requirements ... work hands‑on on new features and product improvements, and collaborate daily with product, frontend, backend ... developer portal and platform, alleviating the cognitive load on IT teams and advocating for FinOps ... We optimize the developer experience and operational efficiency by accelerating the delivery of an internal

On a daily basis, you will As a Full Stack Developer, you will contribute to the development of DISCOVERY ... closely with product, backend, and infrastructure teams. ... Integrate backend logs, metrics, and analytics into frontend dashboards. ... Backend Engineering & APIs Design and implement REST and event-driven APIs. ... Collaborate with backend engineers on domain modeling, API contracts, and data flows.

About the Role As Mid-level Full Stack Developer at Interstellar Lab, you will design, build, and scale ... You will develop backend and automation services, contribute to our React-based BioApp, and integrate ... Responsibilities Develop and maintain backend services and APIs in Python (FastAPI)Contribute to frontend ... Qualifications 3-6 years of experience in full-stack developmentProficiency in Python (FastAPI) and modern backend

technical documentation skillsLocated in European time zonesBonus: experience working with open-source developer ... what matter the most.About the roleWe’re hiring a Support Engineer to join our Product team.This is a backend ... prioritizing bug fixes and technical debt surfaced through supportRequirements3+ years of experience as a backend

Stack C#/React DeveloperLocation: Paris, France (Hybrid)ContextWe are seeking a Full-Stack C# / React Developer ... sharingBring a proactive mindset and high autonomy in a fast‑moving environmentTechnical SkillsC#/.NET Core backend

are one persona and if your feel comfortable and knowledgeable, participate to the development of the backend ... Cycloid is an Internal Developer Platform and an internal developer Portal with modules around self‑service ... We optimize the developer experience and operational efficiency by accelerating the delivery of a portal ... With our Internal Developer Portal and Platform, you don’t need to start from scratch to get a fully ... One goal: to make our internal developer platform and portal the leading platform tool in the world,

Your Mission As a Senior Java Backend Developer, you will be responsible for: Building APIs at the core ... You will report to the Tech Lead and collaborate closely with other Backend Developers, Product Owners

across preferred channels to thousands of guests at once.We are seeking an experienced Senior Fullstack Developer ... maintain features in a web application built with Remix, React, and TypeScript.Design and integrate with 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

FastAPI for AI and data componentsWe areopen to evolving the stackif it improves speed, reliability or developer ... rolefocused on building, shipping and iterating fast.You will work across the full stack (frontend, backend ... cost-controlled3 - Full stack ownershipWork directly on frontend when needed (UX matters)Build robust backend ... codebase, initially built with an external partnerDesign, build and ship end-to-end features: frontend, backend

# Data Scientist / Applied AI Developer## Animaj is hiring! ... Data API) or other distribution platforms* Ability to prototype full-stack applications (API design, backend ... **The Role**As a Data Scientist / Applied AI Developer, you'll be at the heart of our data and AI

Data API) or other distribution platforms Ability to prototype full-stack applications (API design, backend ... Data Scientist / Applied AI Developer CDI — Paris, Télétravail fréquent Salaire : Non spécifié Expérience ... Bac +5 / Master Posté il y a 4 heures Le poste Descriptif du poste As a Data Scientist / Applied AI Developer

a culture of clarity, feedback, and high agency.Who You AreA technical leader with a background in backend ... growth.Our platform has garnered over 8,000 stars on GitHub , a testament to our active and growing developer ... , infra, or developer tools.Builder mindset: you create structure that accelerates on the mid-term, not

Mobile App Developer (iOS/Android)Experience : 3+ years in mobile developmentJob Type: Full-timeLocation ... interactive mobile experiences while ensuring accessibility and usability best practices.Work closely with backend

incoming traffic to bring new valuable users to Deezer’s service.It have to be a Backend Developer with ... Job DescriptionWe are looking for a Senior backend Engineer to join the User Gowth team, composed of ... talented cross-disciplinary engineers (iOS, Android, Backend, Frontend), whose main objective is to optimize ... PHPStrong understanding of Object-Oriented Programming, SOLID design principles, and architecture in a Backend

We are looking for well experienced **S****enior Software Developer** to join our **Paris team! ... .* Minimum of 5+ years of experience with JAVA backend developments.* Minimum of 3+ years of experience ... to deliver results* Master's degree in engineering* Minimum of 7+ years of experience with JAVA backend

concepts to different audiences.You’re comfortable working across the stack when needed (debugging backend ... Communication (10%)Collaborate effectively across teams to solve complex problems spanning front‑end, backend ... understand responsive design, accessibility (WCAG) and performance optimization.Component Library & Developer ... strong UX/UI sensibility and care about the details that make interfaces delightful.You think about developer ... cross‑functional teams (Product, QA, Security, Platform).Experience supporting external developers (developer