Senior Software Engineer
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Summary
A senior engineer builds reliable, scalable APIs and services on AWS serverless architecture using Node.js, TypeScript and MongoDB, powering regulated investment and custody products. The role offers full lifecycle ownership (architecture through production support) in an autonomous cross-functional squad, working hybrid in London with one day onsite.
Salary: £100,000 - 100,000 per year Requirements: Strong commercial Node.js and TypeScript experience Solid AWS and Serverless experience Experience building distributed, resilient APIs Experience with MongoDB or another document database A strong understanding of testing, observability and performance Experience working in financial services, fintech, startups or another regulated environment Experience mentoring engineers and taking ownership of production services Responsibilities: Build rel…