Emplois pour fullstack engineer with python and react dans Paris

🧡 About Alma At Alma, we believe sustainable commerce depends on fair, well‑balanced trade. Because finance plays a pivotal role in business, our mission is to put it back in its rightful place - serving merchants and consumers. Our installment and deferred payment solutions help merchants boost sales by 20% or more, increase customer loyalty, and...

About MistralMistral 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...

At Foxelli, we’re building more than e-commerce brands - we’re building a tribe of thoughtful humans: AI enthusiasts, curious builders, and ambitious minds who care about doing meaningful work together. Ten years in, our D2C brands reach millions and generate over $20M annually. Our focus stays simple: create products customers love and a team that...

We’re building a browser-based platform that detects and manages SaaS usage across large enterprises in real-time. Our technology combines a high-performance browser extension (300,000+ users) with data processing pipelines that analyze usage patterns, and a contextual notification / conversational system. We operate at the intersection of browser...

About UsHarmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces.Our work is guided by clear values: building technologies with real-world...

About UsHarmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces.Our work is guided by clear values: building technologies with real-world...

Wiremind is a tech company built around a single idea: helping transport and event operators make smarter decisions about their capacity, pricing, distribution, forecasting, optimization.Since 2014, we've built the tools that power revenue management at SNCF, United Airlines, Qatar Airways and PSG. Not by following industry playbooks, but by building our...

About usAt Sierra, we’re creating a platform to help businesses build better, more human customer experiences with AI. We are primarily an in-person company based in San Francisco, with growing offices in Atlanta, New York, London, Paris, Madrid, Munich, Singapore, Tokyo, and Sydney.We are guided by a set of values that are at the core of our actions and...

Set a new pulse for healthcare! We are looking for a Staff Machine Learning Engineer - Retrieval to join our AI team working on Clinical decision support and Medical Knowledge. Your mission will be to ground clinical AI decisions in validated, trusted medical sources from HAS guidelines and learned society recommendations to peer-reviewed clinical studies....

📅 Start dateQ3 2026 - from September, 3-month notice period accepted🏡 Contract typePermanent contract (CDI), full-timeSeniority: Junior (0-2 years of experience)🌍 LocationHybrid (Lausanne) or 100% Remote (Europe)💼 About the roleDotWorld is a fast-growing Venture Builder and SaaS Studio, operating several subscription SaaS products at scale....

About Dioxycle Dioxycle is pioneering breakthrough carbon utilization technologies that convert industrial emissions into sustainable chemicals with unprecedented energy and cost efficiency. By displacing fossil fuels for the production of key chemicals, Dioxycle has the potential to ultimately reduce over 800 million tons of CO2 per year, representing over...

About GitGuardianGitGuardian is a global cybersecurity scale-up. The company is based in Paris, New-York City, Boston.Among our early investors who saw our market value proposition, are the co-founder of GitHub, Scott Chacon, along with Solomon Hykes, Docker's co-founder. American and European top-tier VC firms have also invested in GitGuardian who raised...

About Air AppsAt Air Apps, we believe in thinking bigger—and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018—and now with offices...

About AMIWe are building a new breed of AI systems that (1) understand the real world, (2) have persistent memory, (3) can reason and plan, and (4) are controllable and safe.We are a team of scientists and engineers building frontier world model-based AI. We combine the scientific rigor of a top-tier research institute with focus on engineering excellence...

About UsHarmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces.Our work is guided by clear values: building technologies with real-world...

Le contenu du poste est libellé en anglais car il nécessite de nombreuses interactions avec nos filiales à l’international, l'anglais étant la langue de travail.  This job offer is accessible to all, regardless of gender. Job Title: Accelerator Software EngineerLocation: ParisHybrid: (Hybrid - 2 days remote, 3 days on-site) Job type: Permanent,...

TLDR: We're looking for a Product Engineer (Backend – Rust) to own and evolve the core systems that power AI safety at scale – building APIs that handle hundreds of millions of requests, real-time policy enforcement, and high-throughput data pipelines.About usWhite Circle is an AI Safety company building the safety, reliability, and optimization layer...

About the roleWe’re looking for a top‑tier Staff Backend Engineer to join our tech team.You’ll wear many hats. Your core responsibilities will be to:Design internet‑scale, high‑performance infrastructureBuild robust products- develop, deploy, and maintain new features end‑to‑endMaster the technical scope of your domain and raise the bar for...

Akur8 is a fast-growing InsurTech scale-up on a mission to help insurers make better decisions, faster.Our SaaS platform turns complex risk data into clear, transparent insights, enabling teams to price risk accurately today and anticipate claims tomorrow.Powered by advanced analytics and transparent machine learning, Akur8 brings speed, reliability, and...

About BlaBlaCarBlaBlaCar is the world’s leading community-based travel app enabling 27 million members a year to carpool or travel by bus in 21 countries. Our team of 800 employees counts over 50 nationalities and is spread across our 5 global offices, 30% working fully remotely.Your Mission By joining our Foundations department, you will be working...