Senior Go Architect — Real-Time Credit API + Equity

Company: Jack & Jill
Apply for the Senior Go Architect — Real-Time Credit API + Equity
Location: London
Job Description:

Jack & Jill, a fintech scale-up in London, is seeking a Senior Product Engineer to architect and build the foundational API infrastructure for the UK’s first real-time credit bureau. The role involves shipping high-performance Go microservices on AWS and collaborating directly with the CTO. You will have the opportunity to make critical architectural decisions and impact millions of consumers.

The ideal candidate has over 5 years of experience in operating B2B API services, demonstrating expertise in AWS and mentoring skills. A competitive salary of £85k–£120k plus equity is offered.

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Posted: June 13th, 2026