We’re a London-based fintech on a mission to make ETF investing simple and accessible. Over 150,000 clients have trusted us with over £3 billion in assets - and we’re just getting started.
We’ve been featured by MoneyWeek, Finder and Forbes, and we’re growing fast with big ambitions.
About the Role
We’re looking for a Senior Backend Engineer to join our Payments Team and help us strengthen and scale a business-critical part of our platform.
You’ll work on complex backend challenges across payment flows, integrations and system reliability. You’ll contribute to architecture, improve system stability and scalability, and help evolve the technical foundations of our Payments domain.
You’ll collaborate closely with Engineering, Product, Compliance, Operations and other business teams to build reliable solutions and improve critical operational processes.
What You’ll Do

Design, develop and maintain backend services in Python 3.11 using Django / DRF
Contribute to the architecture and long-term technical development of our Payments systems




Build and improve RESTful APIs and integrations
Work with complex backend and legacy systems and identify root causes of technical problems
Continuously improve system performance, reliability and scalabilityInvestigate and resolve production issues and recurring problems
Work with MySQL and Redis
Participate in architectural discussions and contribute to technical decisions
Identify and reduce technical debt
Improve development processes, code quality and engineering practices
Collaborate with Product, Compliance, Operations and Business teams
Contribute to the evolution of our architecture and internal engineering tools

What We’re Looking For

4+ years of experience in backend development
Strong Python skills and deep knowledge of Django or similar frameworks
Solid understanding of relational databases, caching and high-performance backend systems
Experience with REST APIs, service design and distributed systems
Experience working wi

📌 Senior Backend Engineer (España)
🏢 InvestEngine
📍 España