Senior Backend Engineer - Introducer Tech

In this role, you will own the Lending API for Germany and drive its evolution to power partner integrations. You’ll shape the developer experience, manage the partner-facing tooling, and contribute to the broker onboarding journey. You’ll mentor teammates and set technical direction alongside product managers. This is a hands-on position with a strong impact on how partners convert and how quickly they can go live. You’ll work across cross‑functional teams to scale our introducer platform and deliver measurable value for SMEs.

• Flexible working hours
• Medical insurance from Vitality with gym discount
• 25 days holiday plus birthday off and buy/sell options
• Sabbatical after 4 years
• Private GP for you and dependents
• Employee equity incentive scheme

• Own the Lending API for Germany end-to-end, including versioning and retirement decisions
• Own the developer portal and partner integration tooling, including documentation and self-serve testing
• Deliver features that improve partner pre-qualification and reduce onboarding friction
• Automate broker funnel and internal CRM processes to shorten decision-to-action cycles
• Mentor engineers through code reviews and design sessions; contribute to team growth
• Define technical direction and roadmap in collaboration with product managers
• Coordinate with UK engineers to align API designs and ensure cross-country consistency
• Contribute hands-on engineering work while supporting team leadership and mentoring

• Backend engineering with production Python experience (Django preferred; FastAPI or Flask acceptable)
• Relational database experience (PostgreSQL) with emphasis on performance and maintainability
• API design and evolution for external dependencies, including versioning and change management
• End-to-end ownership from problem framing to production delivery
• Mentoring experience through code reviews and design sessions
• Experience leveraging AI to scale engineering output and automate workflows
• Strong written and verbal communication, with ability to adapt detail to audience

• strong communication
• mentoring/coach mindset
• cross-functional collaboration
• Python (Django preferred; FastAPI/Flask acceptable)
• PostgreSQL or other relational databases
• API design and versioning