> Markdown version of [/jobs/ext/3907617-senior-backend-engineer-remote-eu-fintech-with-equity](https://www.wearedevelopers.com/jobs/ext/3907617-senior-backend-engineer-remote-eu-fintech-with-equity). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Backend Engineer - Remote EU, Fintech with Equity - **Company:** Oliver Bernard Ltd. - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Business Logic, Databases, Continuous Integration, Django Web Framework, Python (Programming Language), PostgreSQL, SQL Databases, Flask (Web Framework), Backend, Fastapi - **Published:** October 25, 2026 - **Apply:** https://www.jobleads.com/es/job/senior-backend-engineer-remote-eu-fintech-with-equity--spain--ec8f7fcfa0e807bf26c7aaae7a518a4a8 ## About the Role Candidates should have 5+ years in backend roles, deep knowledge of complex business logic, and strong database skills (PostgreSQL, SQL, ORMs). Python with FastAPI/Flask/Django is a plus; remote EU-friendly. ## Description Oliver Bernard is seeking an experienced backend engineer to design and ship end-to-end backend systems and APIs for a rapid-scaling fintech startup. You will own architecture, CI/CD, testing and monitoring across real-time accounting logic, with daily deployments and high autonomy. Candidates should have 5+ years in backend roles, deep knowledge of complex business logic, and strong database skills (PostgreSQL, SQL, ORMs). Python with FastAPI/Flask/Django is a plus; remote EU-friendly.