Emplois de api platform engineer cxt – Paris

Mistral AI in Paris is seeking a Backend Engineer to join our Engineering team and build core systems powering our AI platform. You will shape the backend infrastructure and APIs that enable Studio, Vibe, and Vibe Code, affecting reliability, performance, and scalability across products.Focus areas include authentication, billing, AI tooling, and developer...

Vibe in Paris is seeking a Senior Backend Engineer to own integrations and the developer platform, shaping scalable API endpoints and data contracts for external partners. You’ll drive architecture, mentor engineers, and collaborate across two continents while leveraging AI-augmented development.You’ll work in a hybrid setup with health insurance, meal...

United States Digital Space LLC is hiring for a backend-focused role within its Platform team. You will design, implement, and maintain robust APIs and backend services spanning payments, analytics, subscriptions, text-to-speech, and external integrations.Work in a 100% distributed setup with a focus on scalable architecture, performance, and strong user...

Speechify seeks a Software Engineer, Platform in Paris to own backend APIs powering payments, subscriptions, and the TTS platform. You will work across API boundaries, feasibility studies, and feature parity across iOS, Android, web, and extensions in a distributed, async environment.You will join a team that values autonomy, practical judgment, and robust,...

Spiko, based in Paris, is seeking a full-stack software engineer to join an 8-person tech team. You will build and improve the customer-facing app and APIs for third-party sellers, while integrating external services and maintaining monitoring systems.You should have 5+ years of full-stack TS experience, be comfortable in English, and enjoy solving problems...

Mistral is seeking a Backend Engineer in Paris to build core systems powering our AI platform. You will focus on scalable backend features, APIs, authentication, billing, and developer tooling for millions of users and developers.Join a collaborative team dedicated to robust, high-performance systems, secure architectures, and end-to-end feature delivery....

Beloy is seeking a hands-on Senior Full-Stack Developer to design, build and operate core applications across our platform. You will own features from development through production, guiding technical decisions and mentoring peers.You will work across frontend and backend using Angular, Node.js and Python, with PostgreSQL, Redis and S3, shaping APIs, data...

ContexteInstitute Curie is recruiting a Research Engineer) or Scientist in Artificial Intelligence (M/F) to join the AGORA project (AGentic Orchestration for Research and Clinical Applications in Oncology).The ambition of AGORA is to design and validate one of the first agentic AI platforms fully dedicated to biomedical research and precision oncology. The...

As a Platform Security Engineer you will partner with different stakeholders across the organization to secure our infrastructure and application components of the Datadog platform. As part of the Platform Security organization we secure the building blocks of Datadog’s applications and infrastructure. We do this by building solutions solving systemic...

The “Institut Curie” is a major player in the research and fight against cancer. It consists of a hospital and a Research Center of more than 1000 employees with a strong international representativeness. The objective of the Curie Institute Research Center is to develop basic research and to use the knowledge produced to improve the diagnosis,...

Sanofi recherche un Senior Software Engineer à Paris, modelé pour des plateformes GenAI. Vous concevrez et déployerez des composants backend et des APIs sur AWS, travaillant au sein d’une équipe produisant des bases partagées et des intégrations GenAI.Le rôle est hybride (3 jours sur site, 2 jours télétravail) et nécessite une forte collaboration...

As a Location Platform Engineer, you will contribute to building and maintaining the infrastructure that efficiently fetches and processes background location data across a wide range of devices and operating systems. This role offers the opportunity to work on production systems at scale while balancing battery efficiency, privacy compliance, and OS...

Bâtis le socle d’inférence et industrialise la plateforme d’IA générative du groupe Dans le cadre du déploiement à grande échelle des solutions d’IA générative et agentique d’un grand compte, nous recherchons un(e) AI Platform Engineer. Ton rôle sera hautement structurant : tu construiras, administreras et opéreras la plateforme...

Software Engineer – AI Platform Lini is DiliTrust's proprietary AI engine, powering Ask Lini, Risk Detector, Document Summarization, Minute Generation, and every AI capability across the suite. We are building a dedicated squad around it and are looking for a strong Software Engineer to help us bring it to the next level. As a Software Engineer you will...

Jobtailor is seeking an experienced engineer to build new features on both the customer-facing platform and internal tools in Paris. You will design and maintain APIs that power the product and contribute to AI initiatives.You will participate in architecture decisions, discuss trade-offs with the team, and review code to elevate overall code quality. Fluent...

Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology- and data-driven group implementing a scientific approach to investing. Combining data, research, technology, and trading expertise has shaped our collaborative mindset, which enables us to...

Platform Engineer vous participerez et piloterez:Concevoir et maintenir la plateforme interne de deliveryFournir des outils self-service aux équipesCréer des templates / frameworks / boilerplatesStandardiser les workflows de développement et runRéduire les frictions de deliveryCloud / InfrastructureConcevoir et maintenir l’infrastructure...

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...

Senior Platform EngineerÀ propos du rôle et de l'équipeLa Cloud Platform Engineering (CPE) est une Business Unit de près de 200 personnes qui continue de se renforcer pour accompagner les ambitions tech de Decathlon. Notre objectif principal est de rationaliser le catalogue de produits techniques et de fournir des services clé en main pour les équipes...

Speechify is seeking a Senior Software Engineer to join its Core Experiences Team in Paris. You will help design and maintain foundational services, APIs, and cross-platform SDKs that power Speechify’s user-facing product experience.You will collaborate with product teams, designers, and PMs to scope projects, reduce scope for faster feedback, and build...