Senior Backend Engineer

Sunday is building the fastest, simplest way to pay in restaurants. We are seeking a Senior Backend Engineer to join the 3rd-party POS Integrations team, focusing on the platform layer that standardizes how Sunday interacts with the POS ecosystem.You’ll own backend design and occasional front-end fixes, collaborate across product and support, and help ship...

Onyx-Conseil recherche un expert backend pour concevoir l’architecture des agents autonomes et les systèmes distribués au sein du Centre d’excellence. Vous définirez les interfaces, les microservices asynchrones et les flux de données, en assurant une intégration fluide avec les outils LLM et les environnements d’IA d’entreprise.Le poste demande...

Escape is seeking a Senior Backend Engineer in Paris to join a security-focused team. You will translate research into production-grade scanning systems, focusing on agentic testing, AI-driven enhancements, and scalable, cost-efficient infrastructure.You will work across Python and Go, running containerized workloads on Kubernetes, and collaborate with...

Spendesk is seeking a Senior Software Engineer to join the Wallet squad within our Payment Groups, driving reliable, scalable financial services for finance teams. The role is backend-heavy (about 70% backend, 30% frontend) and involves ownership from discovery through deployment across international, multi-entity use cases.You will shape squad directions,...

EngineersOfAI is seeking a Senior Backend Engineer for the Dashboard Platform team in Paris. This role focuses on infrastructure automation to empower developers at Algolia to better serve customers. Key responsibilities include contributing to operation and deployment, taking ownership of developer experiences, and sharing best practices.The ideal candidate...

Roundtable is building the gold standard for private equity with a 10-engineer senior full-stack team, and opening a third squad. You will tackle domain-driven puzzles and ensure precise financial computations, owning end-to-end reliability and scalable architecture.Join a fintech startup culture with hybrid offices in Paris or Toulouse, a salary range of...

Blank recherche un(e) ingénieur backend expérimenté pour concevoir et déployer des solutions techniques robustes. Vous travaillerez sur des APIs et microservices en Node.js/Typescript dans une architecture serverless avec AWS Lambda et CloudFormation.Vous contribuerez à l’amélioration continue du code, aux tests automatisés et à l’architecture...

Looking for someone to join us as one of the early members of the Backend team. In the initial months, you'll be working closely with the team, gradually taking ownership of central components and features. Given our early stage, we're seeking versatile engineers, comfortable contributing to various aspects of the company's foundation.We value team members...

MonDocteur is seeking a Senior Software Engineer to enhance the Patient Online Booking feature. Responsibilities include defining features, leading technical visions, and ensuring scalability. Ideal candidates should be backend experts in Java with knowledge of Ruby on Rails, and possess a user-first mindset. The position offers health insurance, mental...