> Markdown version of [/jobs/ext/4491034-backend-engineer-fintech-data-pipelines-python](https://www.wearedevelopers.com/jobs/ext/4491034-backend-engineer-fintech-data-pipelines-python). 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). --- # Backend Engineer - Fintech Data Pipelines (Python) - **Company:** Flanks - **Location:** Spain - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Extract Transform Load (ETL), Python (Programming Language), NoSQL, Software Deployment, SQL Databases, Data Ingestion, Backend, Data Pipelines - **Published:** November 1, 2026 - **Apply:** https://www.jobleads.com/es/job/backend-engineer-fintech-data-pipelines-python--cataluna--e17ccea24e7d295901a8ca252f55ee91b ## About the Role Ideal candidates have strong Python and/or JavaScript skills, experience with ETL/ELT pipelines, and familiarity with SQL/NoSQL databases. ## Description Flanks, a Barcelona-based fintech startup, is hiring a Mid-Level Backend Engineer to design, build, and optimize data pipelines and backend services powering a data-driven platform. You will own data ingestion, transformation, and the end-to-end lifecycle from business requirements to production deployment. Ideal candidates have strong Python and/or JavaScript skills, experience with ETL/ELT pipelines, and familiarity with SQL/NoSQL databases.