Emplois pour backend engineer nodejs dans Paris

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Overview Build and ship the Windmill product end-to-end. The core challenge of building a developer platform: make it a delightful, intuitive experience while keeping the depth and power that developers expect. For example, Windmill parses your code to extract dependencies in Python/TypeScript, generates a lockfile, and extracts parameters from function...

We’re working with a fast-growing AI Digital health product company building real-time clinical workflow tools used at significant scale.They’re looking for strong full-stack engineers who can contribute across both frontend and backend systems in a highly product-focused environment.This is not a siloed engineering role. Engineers are expected to move...

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 a dynamic,...

Build the backend foundations for Spendesk’s AI-native experiencesSpendesk is looking for a Backend Software Engineer (IC3) to join our PDE (Product, Design & Engineering) organization and help shape the technical foundations of our next generation of AI-powered product experiences.This is a hands-on role for an engineer who combines strong backend...

The Role We're building the next generation of real-time conversational AI systems. Our agents operate under real production traffic, where latency, scalability, reliability, and engineering quality are critical. We're looking for a Senior AI Software Engineer to design and build the production systems that allow these agents to respond intelligently and...

Infrastructure : Linux, Ansible, GitHub, Datadog. 65 à 70 K€ brut/an fixe + environ 30 % de primes annuelles via participation et intéressement, soit un package cible de 80 à 90 K€ Paris 2e 3 jours au bureau les premiers mois : lundi, jeudi et un jour au choix. Réduction possible ensuite selon la situation. Français courant, écrit et oral,...

About the Role Maki is building the AI-powered solution that transforms talent acquisition and talent management. As a software engineer, you will have ownership over the full lifecycle of our AI products. You will: Scope and lead technical projects with a full-stack perspective, balancing speed and quality. Build reliable systems out of unpredictable...

We’re building the FinOps Assistant we wish we had as large cloud clients. After managing multi-million dollar budgets across GCP, AWS, and Datadog , we know how painful cloud cost management can be. FinOps often falls on senior engineers, forced to manually monitor costs and investigate spikes with little context.We believe FinOps and engineering teams...

Fullstack Software Engineer (Python / TypeScript / React)📍 Paris (Morning Laffitte) | Full-time | 2 remote days per week🌍 Tech Team | Role split 70% backend / 30% frontendAbout Symbiotic SecuritySymbiotic Security is a cybersecurity startup helping developers write secure code through an AI-powered assistant integrated into their IDE and CI/CD...

About the RoleWe are looking for an AI Engineer acting as a full-time subcontractor/freelancer to design and scale intelligent workflows in close collaboration with our internal team. Our product is a cybersecurity SaaS platform that helps manufacturers and security teams certify IoT and connected devices against international regulatory standards. It is...

Responsibilities Frontend Development: Collaborate with our product and design teams to implement user-friendly and visually appealing web applications using React.js. UI/UX Design Integration: Translate design mockups and wireframes into functional and responsive user interfaces, ensuring a seamless and engaging user experience. Code Quality: Write clean,...

Qonto in Paris is seeking a Principal Backend Engineer to scale the Foundations domain that powers 600,000+ customers. You’ll own end-to-end programs across core systems, including transactions, search, monetization, permissions, and integrations.You’ll lead multi‑team initiatives, mentor engineers, translate business needs into technical roadmaps, and...

About the RoleAs a Backend Software Engineer (IC3), you will help create the backend layer that supports agentic and conversational experiences for Spendesk end users.Your Scope Will Include Services Thatmanage conversations and contextual statesupport the ingestion and retrieval of rich content such as PDFs and imagesintegrate LLMs through AWS Bedrock with...

About usAt Steerlab, our mission is to empower PreSales teams to win more deals. We do so by automating their response processes to RFPs (Requests for Proposals), Security Questionnaires and other vendor questionnaires with AI.By leveraging fine-tuned language models and Multi-Modal agentic AI systems, we provide factual answers, elevate writing quality, and...

About us  Wazo builds programmable, API-first communication infrastructure and applications. We power unified communications at the infrastructure level: real-time systems, SIP signaling, WebRTC, media flows, distributed services, and high-availability architectures and applications based on those. This is not feature-layer work. This is mission-critical...

Rippletide is building the next generation of AI decision infrastructure, and we need a Senior AI Engineer to lead the design and development of our core hypergraph reasoning engine. You will work at the intersection of graph theory, machine learning, and distributed systems to create the foundation that powers production-grade AI agents for enterprise...

Senior Staff Engineer Department: Engineering Employment Type: Permanent - Full Time Location: France Reporting To: Orlin Bobchev Description Job Title: Senior Staff Engineer (Backend & Infrastructure) Contract: Permanent (CDI) Location: Paris or full-remote position in France. You must already be living in France and have the legal right to work here...

We’re hiring one of the earliest members of the Web Engineering team at amo. In the first few months, you’ll work closely with the team to build and own the systems that power our operations, analytics, and distribution. As an early member of the team, we’re looking for versatile engineers who are comfortable owning entire surfaces, from architecture...

Rejoignez WeScale et contribuez à un accompagnement de haut niveau pour structurer, orienter et accélérer les transformations technologiques de nos clients. Le contexte Le métier de Software Engineer ne consiste plus seulement à "écrire du code", mais à orchestrer de l'intelligence. Chez WeScale, nous sommes convaincus que le Full Stack moderne est...