Backend Software Engineer - Custody
Kraken
- London, England, United Kingdom
- London, England, United Kingdom
About
About the Team Join our custody engineers, cryptographers, hardware experts and on‑chain specialists to build secure and scalable solutions for digital asset custody.
Kraken is powered by people from around the world and we celebrate diversity in talent, background and perspectives.
Responsibilities Integrate existing systems with new blockchains. Design and implement low‑latency, high‑availability, secure applications and data protection systems. Work on specialized hardware (HSMs) integrations. Build highly scalable, high‑volume services. Write reusable, testable and efficient code. Own, develop and maintain existing crypto services.
Required Experience & Skills 5–10 years as a backend developer. Proficiency in Rust, or C++, Go. Experience with Blockchain daemons (Bitcoind, Litecoind, etc.). Strong foundation in cryptographic concepts. Working knowledge of Docker, Kubernetes, and GNU/Linux. Understanding of asynchronous programming. Hands‑on experience with distributed systems and messaging platforms such as Kafka. Familiarity with authentication, authorization and security compliance. Knowledge of scalable application design principles.
Nice to Have Senior leadership experience with mentoring abilities. Proficiency with embedded systems. Experience implementing algorithms in constrained environments. Hands‑on knowledge of custodial cryptographic techniques. Proven track record in leading secure crypto service development.
We’re Accepting Applications This job is accepting ongoing applications and there is no application deadline.
Equal Opportunity Employer Kraken is an equal opportunity employer. We strive to hire based on merit and consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance. As an equal opportunity employer, we do not tolerate discrimination or harassment of any kind based on race, ethnicity, age, gender identity, citizenship, religion, sexual orientation, disability, pregnancy, veteran status or any other protected characteristic as outlined by federal, state or local laws.
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Languages
- English
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