Senior Software Engineer — Build Scalable Systems in Paris

About H: When we released Holo4 on 28 September, we published every trajectory behind its public benchmark scores at trajectories.hcompany.ai. For OSWorld that's 369 desktop tasks, each run 3 times, with the steps, tokens and time of every attempt. This role builds and runs the evaluation framework that produces runs like these. About H: When we released...

Datadog, Inc. is seeking a Senior Software Engineer to design and scale foundational architecture for AI-driven operations. You will synthesize large data sets into structured knowledge and build reliable, scalable systems for automated modifications, with a focus on production reliability and observability.You will lead greenfield initiatives, own features...

Escape, a fast-growing AI-powered cybersecurity company in Paris, is hiring a Senior Backend Engineer. You will work with security researchers to translate research into production-grade systems, focusing on autonomous scanning, detection logic, and scalable infrastructure.Join a mission-driven team and contribute to architecture decisions while deploying...

At Sorare, we want to hire passionate and innovative people! Are you looking for an empowering environment to grow professionally and personally? Join us in this tremendous adventure!Our MissionSorare is a fantasy sports gaming experience and marketplace featuring officially licensed digital player cards. With Sorare you build legacy teams - buying, selling,...

bsport is hiring a Senior Backend Software Engineer in Paris. You will lead the design of high-volume data services and an AI-enabled data layer, building core backend capabilities and authentication/permissions systems for a rapidly growing platform serving millions of users.You will collaborate with Data, Product and DevOps teams, implement robust code,...

OverviewCoders Connect has partnered with Sanofi, a global healthcare leader, to drive digital innovation across its R&D Accelerator. We are seeking a talented Senior Software Engineer to join their fast-growing team, focused on reshaping drug development through cutting-edge technology. Based in Paris with a hybrid working model (two days remote, three days...

At BairesDev®, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley.Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works remotely on roles that drive significant impact worldwide.When you apply for this...

Founded in 2020 and based in the heart of Paris, C12’s mission is to be at the center of one of the biggest technological breakthroughs of the century and change the course of history by building a universal quantum computer.At C12, we believe that achieving a true breakthrough in quantum computing requires rethinking the fundamentals. That’s why our...

Mirakl is seeking a Senior Agent Builder to design and scale AI systems powering next-gen agentic commerce. You will operate at the intersection of software engineering, ML and Generative AI to build production AI products used by Mirakl customers and internal teams.This freelance position is based in Paris or Bordeaux, with one remote day per week. You will...