Senior Kotlin Engineer – Real-Time FinTech Backend

Company: Hydrogen Group
Apply for the Senior Kotlin Engineer – Real-Time FinTech Backend
Location: London
Job Description:

Hydrogen Group is seeking a Senior Kotlin Engineer in London to join a high-performing front-office engineering team. The role involves building and extending a real-time issuance platform crucial for investment banking capital markets. Ideal candidates will have strong Kotlin experience and a background in financial services or high-availability environments.

You will work collaboratively in an Extreme Programming environment, focusing on delivering reliable, maintainable, and well-tested backend services in a time-sensitive setting.

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Posted: June 2nd, 2026