Backend Engineer — Privacy-First, Scalable Systems

Proton AG is seeking a Senior Android Software Engineer in Paris to join a high-impact product team. You will build Android experiences using Kotlin and Jetpack Compose, contribute to a privacy-first ecosystem, and collaborate with Protons across Inbox, Account, and Meet initiatives.You will own features end-to-end, optimize performance, and contribute to...

Gramian Consulting Group is hiring a Senior Backend Engineer to join their Poker engineering team in Paris. The role involves designing and optimizing scalable microservices for a large-scale gaming platform. Ideal candidates will have experience in high-traffic platforms and a strong understanding of distributed systems.The position offers a permanent...

Shift Technology is seeking a Software / Integration Engineer (Agentic Systems) in Paris. You will join a dedicated Agentic squad, collaborating with our US-based Data Science team to productionize agentic solutions and ensure reliable integration with external services.The role focuses on building robust backend services, third-party integrations, and...

Role SummaryWe are seeking passionate and skilled software engineers to join our team. As a Backend Engineer, you’ll contribute to the development of the core systems powering our three main products, AI Studio, Le Chat & Mistral Code, shaping how users and developers interact with our AI platform at scale. You’ll work on building reliable,...

Diabolocom, a leading AI-first cloud contact centre provider, seeks a Senior Backend Software Engineer for the Voice Squad. You will design and implement scalable backend services, focusing on distributed call handling and system reliability in a fast-growing environment.Bring 7+ years of software development experience, 3+ years with Java/Kotlin, and strong...

About Mistral 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...

Context Two video surveillance products are entering development at Vizzia: video-based traffic enforcement, with a first deployment in the UK, and ANPR, automatic number plate recognition run on legal request. Both rely on the same technical chain: camera-equipped units in the field, an edge to cloud pipeline, and a SaaS that officers use every day. That...

Voodoo is a Paris-based consumer tech company building a scalable backend for its live games. You will own and implement backend features, collaborating with game designers, client developers, product, and data teams from design to launch, while ensuring robust, scalable systems for events, progression, and live ops.We seek a senior backend engineer with...

About Air Apps At 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 in...