Senior Kotlin/Java Backend Engineer — FinTech Microservices

Company: Hydrogen UK Ltd
Apply for the Senior Kotlin/Java Backend Engineer — FinTech Microservices
Location: London
Job Description:

Hydrogen UK Ltd is seeking a Senior Software Engineer with strong skills in Kotlin and Java to support a major financial services programme. The ideal candidate will have proven experience in building scalable backend systems and microservices within regulated environments.

This role offers hybrid working with 2–3 days onsite in London, and strong stakeholder engagement skills are preferred. Join a dynamic team at the forefront of financial services transformation.

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Posted: June 16th, 2026