Company: Owen Thomas B Corp
Location: London
Job Description:
Firstup in London is seeking a Senior Full Stack Software Engineer to design and deliver large-scale, multi-tenant cloud services with a focus on availability, reliability, and elegant architecture.
You will own end-to-end development across frontend, backend, and data layers, write production-grade code, and mentor engineers to elevate quality while collaborating with Product and Design.
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Posted: November 3rd, 2026