Invest Engine is a London-based fintech hiring a Senior Backend Engineer to join the Payments Team and help scale a business-critical part of our platform. You’ll design, develop and maintain backend services in Python 3.11 using Django/DRF, build RESTful APIs, and work with My SQL and Redis. The role emphasizes reliability, performance and long-term architectural decisions in a remote-first setup. #J-18808-Ljbffr