Senior Software Engineer

Start date: from February 2026 Who we are Formance is on a mission to unlock the next generation of financial applications by solving today’s hardest problems in the space — with full flexibility and programmability to build unique and sophisticated financial products, with the most effective financial services providers. Our platform was built with a distinctive angle from the ground up, focusing on the flow of funds first to help businesses realize their product visions on a solid financial foundation. Starting with an Open Source Ledger (i.e. a database for financial transactions), we’re building a comprehensive suite of modern financial backend modules, including native and automated reconciliation, workflow engines, and connectors with various financial services providers - e.g. Stripe, Adyen, Modulr, Wise, Atlar. This unique approach has made us the trusted financial backend for leading SaaS companies and financial institutions like Booksy, Doctolib, and Liberis, along with many others worldwide. Our success stems from the trust in our open-source foundation, the high level of programmability of our solutions, and our software-first approach, moving beyond traditional payment business models. We’ve recently opened two new offices in New York and London to accelerate our worldwide expansion. --- Why join Formance now? We’re at a pivotal stage of our growth, doubling down on sales and enterprise expansion worldwide. The market is currently untapped, with financial backends traditionally built in-house by companies like Square , Airbnb , Qonto , and Uber . With a global market valued at over $10bn and projected to reach $300bn+ in 2030 for SaaS and platforms only, you'll join us at the perfect time to capture this potential! We're a team of 30, growing to 40+ soon. We're all about customer experience, product, and strong expertise. Becoming the financial backend for major SaaS platforms is about trust and proving our product's value in mission-critical environments. Who you are We are looking for a Backend Developer in France (Paris or Remote) who : Has deep knowledge of complex financial systems (payments, open banking, fintech). Has experience developing micro-services and working with distributed systems Has extensive experience working with PostgreSQL and/or other database systems (e.g. Elastic) Writes quality, scalable and maintainable code Is a team player who likes to discuss solutions and ideas Is self-driven and achievement-oriented Has a professional english level Has good communication skills At Formance we do: Clean code, Testing, Peer Programming & Code reviews Observability and monitoring of our applications. Leverage cloud scalability (AWS) Work with CI/CD to deliver faster. --- Benefits Meal vouchers: €10/day, with €5.50 covered by Formance (optional). Health insurance: Full coverage by Formance ( Alan Blue plan ). Public transport: 50% reimbursed. Remote work allowance: €50/month + €500 one-time setup bonus. Equipment: Latest MacBook Pro or equivalent provided.