Senior Backend Engineer

About BlaBlaCar BlaBlaCar 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 We are looking for a

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...

BlaBlaCar is seeking a Senior Backend Engineer to join the Payment Squad in Paris. You will own the delivery of a reliable, scalable platform for the full payment lifecycle, fraud defense, and compliance, including expanding tailored payment methods across countries.You will collaborate with Legal, Cash Management & Finance, and other teams and mentor junior

A financial technology company is seeking a Senior Software Engineer to build and scale core backend services. The role involves designing APIs and microservices while ensuring performance and security. Candidates should have 8+ years in backend engineering, be proficient in TypeScript, and have experience with databases and AWS. This position offers...

Swan is seeking a Software Engineer to join its tech team of 70+ for a multi-month project. The engineering team spans software developers, infrastructure, devops, QA and security, with a focus on a reactive architecture.You will collaborate with the product team to design the bank-by-API, optimize backend performance, and ensure adherence to architecture...

Voodoo in Paris is seeking a Senior Backend Engineer to shape architecture, scalability, and long‑term strategy for Wizz, a social app with millions of users in the US and UK. You will own backend systems and collaborate with product and engineering teams to deliver a robust platform.You will work with a stack including Node.js, Go, MongoDB, Redis, and...

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...

Diabolocom UK Ltd is seeking a Senior Backend Software Engineer in Paris to join their Core Squad. The role involves designing and optimizing back-end services using Kotlin and PostgreSQL, ensuring high-quality practices and collaborating with product teams. Candidates should have over 7 years in software development and strong leadership potential. The...

Datadog is seeking a strong technical leader to join the Private Action Runner team and help shape the core execution layer behind action-taking and remediation across customer infrastructure. The role is hands-on, with leadership exposure as the team grows to an Engineering Manager 1 position.You will mentor a team of engineers, contribute to architecture...