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Back End Engineer
Thought Machine’s Mission Thought Machine’s mission is bold – to permanently rid the world’s banks of legacy technology. We’ve built the foundations of modern banking through core and payments technology, running natively in the cloud. This is hard work, so we need great people to build great technology together.
Our fast growth has expanded our team to 550+ individuals across London, New York, Singapore, Sydney, and our newest Engineering Hub in Lisbon. With over £500m in funding and support from investors like Molten Ventures and JPMorgan Chase Strategic Investments, we’re widely recognised for our innovation and employee-first culture.
Prized as one of the UK’s finest fintech workplaces by Sifted, we’ve earned:
- Top Glassdoor ratings among UK fintech firms
- The industry’s most generous employee share package
- Global Finance Magazine’s “Most Innovative Fintech”
- Financial Times’ Fastest-Growing Tech Firms (Europe), for two years running
- UK Best Employer (2026 award)
Back End Engineering
This is a core role at Thought Machine. Back End Engineers lead the development of our Vault product, following best-practice paradigms like continuous deployment and monorepo architecture.
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At Thought Machine, speed and quality coexist—we develop quickly but demand production-ready, high-standard code.
Responsibilities
- Design, implement, and scale microservices using proven engineering principles.
- Write and maintain automated tests (unit, integration, etc.).
- Collaborate with engineering teams to deliver features coherently and efficiently.
- Own deployment debugging from internal testing to production environments.
- Translate complex customer requirements into actionable project tickets.
Requirements
Essential
- Proven experience with either Python or Golang.
- Strong track record of automated testing embedded in development workflows.
- Interest in client-facing projects, scoping, and defining deliverables.
Desirable
- Familiarity with banking/finance or embedded fintech systems.
- AWS or other cloud provider expertise.
- Experience with SQL or NoSQL databases.
- Prior work in client/server/networking architectures, or microservices.
- Hands-on experience with containerization/Orchestration tools (e.g., Kubernetes/Mesos).
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Benefits
- Highly competitive salary
- Pension plan (up to 5% employer match)
- Life insurance (three times annual salary)
- Leave policy:
- 6 months’ fully paid maternity leave
- 4 weeks’ fully paid paternity leave
- Shared parental leave (mirroring our maternity policy)
- 25 holidays + public holidays
- Flexible working hours
- Cycle-to-work scheme
- Electric car scheme
- Season ticket loan
- Unlimited learning resources and skills funding
- Subsidised sports/hobby clubs
- Latest tech gear for all employees
- Fresh fruit and cereals for breakfast
- Snacks, smoothies, and drinks (healthy + indulgent)
- A collaborative, talent-first culture
- Two paid charity days a year
- Weekly food vouchers
Inclusion Note We actively seek technically exceptional candidates and normalise diverse backgrounds, ages, and abilities (e.g., ADHD, autism, dyslexia). Experience need not match expectations exactly—apply anyway. Your skills matter more.
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