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Own the reliability and scalability of Thought Machine's core banking and payments SaaS platforms, including disaster recovery, capacity planning, and production system maintenance.
Experienced SRE with strong Python or Go skills, deep knowledge of Kubernetes, Terraform/Ansible, and extensive work on GCP or AWS, plus expertise in databases, networking, or observability tools.
Ensuring fault‑tolerant, high‑performance infrastructure is critical to supporting the world’s leading banks and driving Thought Machine’s growth ambitions.
Thought Machine's mission is bold – to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need great people working together to build great technology.
We have grown rapidly in the past few years – growing our team to more than 550 individuals across offices in London, New York, Singapore, Sydney and our newly established Engineering Hub in Lisbon. We have raised more than £500m in funding and our investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, Standard Chartered Ventures, and more.
We have created a culture that enables our team to produce the best work in the industry while ensuring we have fun along the way. We're regularly cited as having a fantastic workplace culture and have been recognised by Sifted magazine as having one of the highest Glassdoor ratings for a UK fintech company and the industry's most generous employee share package. Named one of the world's most innovative fintechs by Global Finance Magazine, we were also recognised by the Financial Times as one of Europe's fastest-growing companies for two consecutive years—and a UK Best Employer for 2026.
Thought Machine’s Site Reliability Engineers are the guardians of mission-critical systems for the world's most influential financial institutions. As a member of our elite, globally distributed team, you'll be entrusted with running and maintaining the robust production infrastructure that powers our customers' cutting-edge Core Banking and Payments platforms. This is an opportunity to make a tangible impact on the global financial landscape while collaborating with brilliant minds to solve complex engineering challenges.
This role will be part of the Site Reliability Engineering team at Thought Machine HQ in London, tackling the challenges of automating complex fleet management operations, mentoring team members, promoting communities of best practice within engineering as well as designing operational processes that provide effective interfaces between Thought Machine and our SaaS customers.
The SRE team is deeply involved in tackling the technical challenges of executing Thought Machine’s growth ambitions - expect to be working with senior stakeholders in the organisation and with our customers, and working on programmes and initiatives that are critical to the success of the company.
We actively hire candidates who demonstrate technical excellence in their field and welcome people of all ages and backgrounds, providing everyone with equal access to professional development. You are encouraged to apply even if your experience doesn't accurately match the job description. We also encourage applications from those with different abilities, including candidates with ADHD, autism, dyslexia or dyspraxia.
