InvestEngine
Senior Backend Engineer, Pensions Team (Python)
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About InvestEngine
InvestEngine is a fast-growing fintech based in London, on a mission to make ETF investing simple and accessible. Over 150,000 clients have trusted us with more than £2.8 billion in assets — and we’re just getting started.
About the Role
We’re looking for a Senior Backend Engineer to join our Pensions Team and help us build, scale, and improve the backend systems powering InvestEngine’s pension products.
You’ll work on complex backend challenges, design reliable and scalable services, contribute to architectural decisions, and help improve the stability and quality of our systems.
This is a hands-on engineering role with no direct people management responsibilities. You’ll work closely with Product, Compliance, and Business teams to turn business requirements into robust technical solutions and take ownership of key backend initiatives.
What You’ll Do
- Design, develop, and maintain backend services in Python 3.11 using Django / DRF
- Design scalable, reliable, and maintainable backend solutions
- Contribute to architectural discussions and make technical decisions within your area of ownership
- Work with MySQL and Redis to improve system performance and reliability
- Build and improve RESTful APIs for internal and external integrations
- Continuously improve system performance, stability, and scalability
- Collaborate with Product, Compliance, and Business teams to deliver new features and improve existing processes
- Investigate and resolve production issues, identify bottlenecks, and reduce technical debt
- Maintain high standards of code quality, testing, and engineering practices
- Work with Git and CI/CD pipelines, including TeamCity and GitHub Actions
- Contribute to improvements in architecture, development processes, and internal tooling
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What We’re Looking For
- 4+ years of experience in backend development
- Strong Python skills and deep knowledge of Django or similar frameworks
- Experience designing backend architectures and scalable systems
- Solid understanding of relational databases, caching, and system design
- Hands-on experience building and maintaining REST APIs
- Ability to take ownership and make sound technical decisions independently
- Comfortable navigating ambiguity and turning requirements into practical solutions
- Familiarity with modern engineering practices: Git, CI/CD, clean code, testing, and monitoring
- Strong communication and problem-solving skills
- English B2+ and fluent Russian
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Nice to Have
- Experience in fintech, regulated industries, or internal B2B tools
- Familiarity with AWS and Docker
- Experience with message brokers such as RabbitMQ or Kafka
- Experience working with pensions, investment products, or other financial products
- Open-source contributions or personal technology projects
How We Work
We’re a lean, collaborative engineering team where developers have a real influence on architecture, product decisions, and engineering culture.
You’ll have autonomy to make technical decisions, work on business-critical systems, and see the direct impact of your work — without micromanagement or unnecessary bureaucracy.
What We Offer
- Impact from day one — work on business-critical systems and products
- Technical growth — influence architecture and the long-term development of our platform
- Modern tech stack — Python 3.11, Django, MySQL, Redis, AWS, GitHub, TeamCity
- Remote-first and flexible — work from anywhere
- Unlimited vacation
- A supportive and experienced engineering team
Hiring Process
- Intro call 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
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