Senior Go Architect – Real-Time FinTech APIs (Equity)

Company: Jack & Jill
Apply for the Senior Go Architect – Real-Time FinTech APIs (Equity)
Location: London
Job Description:

Jack & Jill in London is seeking a Senior Product Engineer to lead the architecture and delivery of high-performance Go microservices on AWS. This role offers the opportunity to build the core infrastructure for the UK’s first real-time credit bureau, backed by £4m in funding.

The ideal candidate has over 5 years of experience in B2B API services, with deep expertise in Go and cloud-native systems. This role provides autonomy over technical strategy and the chance to mentor fellow engineers.

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Posted: June 23rd, 2026