Middle Backend Engineer, Backoffice team (Python)

London Source: WhatJobs

£65,000–£90,000

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 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