Middle Backend Engineer, Backoffice team (Python)

Location: London, United Kingdom Workplace: fully About InvestEngine 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 £3.5 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 Middle Backend Developer to join our Backoffice team and help us build and improve the technical foundation that supports our growing business. You’ll work on backend challenges, develop reliable and scalable services, and collaborate with Product and business teams to bring ideas to life. You’ll have the opportunity to contribute to technical decisions, improve existing systems, and grow your expertise in a supportive engineering environment. What You’ll Do Design, develop, and maintain backend services in Python 3.11 using Django / DRF Contribute to architectural discussions and technical decisions Work with MySQL and Redis to build reliable and performant systems Build and improve RESTful APIs for internal and external integrations Improve system performance, reliability, and scalability Collaborate with Product, Compliance, and Business teams to deliver impactful features and automate back office processes and workflows Investigate and resolve production issues, identify bottlenecks, and help reduce tech debt Follow best practices in Git workflows, CI/CD pipelines (TeamCity, GitHub Actions), and code quality Contribute to improvements in our architecture, development processes, and internal tooling What We’re Looking For 3+ years of experience in backend development Strong Python skills and good knowledge of Django (or similar frameworks) Good understanding of relational databases , caching, and backend systems Experience with REST APIs and service development Ability to take ownership of tasks and work independently Familiarity with Git, CI/CD practices, and modern development workflows Good communication and problem-solving skills English (B2 level or higher) and fluent Russian Nice to Have Experience working in fintech , regulated industries, or internal B2B tools Familiarity with AWS , Docker , and message brokers (e.g. RabbitMQ, Kafka) Contributions to open source or personal side projects How We Work We’re a lean, collaborative team where developers have the opportunity to influence architecture, product direction, and engineering culture. You’ll have autonomy, trust, and support while working on meaningful, maintainable systems that scale with the business. What We Offer Impact from day one — work on business-critical systems and drive meaningful change Growth opportunities — develop your technical expertise and take on increasing responsibility Modern tech stack — Python 3.11, Django, MySQL, Redis, AWS, GitHub, TeamCity Remote-first and flexible — work from anywhere, at your own pace Unlimited vacation — take time off when you need it, no fixed limits Supportive team — thoughtful, skilled colleagues who care about quality and results Hiring Process 15-min Intro chat with our Talent team Follow-up HR interview with our Talent team Technical interview with the Backend team Gamified cognitive assessment to understand how you think and problem-solve Final conversation with our CTO