Software Engineer - Rust - Crypto Back Office in London

Building the Future of Crypto. Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. What makes us different? Kraken is a mission-focused company rooted in crypto values. As a Krakenite, you’ll join us on our mission to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. For over a decade, Kraken’s focus on our mission and crypto ethos has attracted many of the most talented crypto experts in the world.

The Crypto Backoffice team is where blockchain meets the business. We own the services that turn on-chain data into fund movements, regulatory compliance, liquidity management and signing operations at scale. We manage wallets, on-chain positions, and regulatory segregations across 120+ chains — ensuring liquidity is where it needs to be for the business to operate smoothly while satisfying all internal and external requirements.

The opportunity:

• Design and implement high-throughput, low-latency services and libraries in Rust and TypeScript.
• Manage the full lifecycle of on-chain wallets across blockchains - from derivation to ownership, at the scale of a global exchange.
• Build and maintain the systems that ensure liquidity for clients while maintaining strict compliance with regulatory requirements.
• Own the core services that give the rest of the exchange visibility into on-chain state.
• Design and implement integrations with third-party providers to move funds efficiently across chains.
• Collaborate closely with stakeholders to deliver first-class treasury management tools.
• Contribute to internal tooling, documentation, and standards that raise the bar for the whole organisation.

Skills you should HODL:

• 5+ years of backend engineering experience.
• Strong proficiency in asynchronous Rust.
• Experience with high-volume, distributed systems.
• Familiarity with API design and gRPC.
• Experience with Kafka or similar event streaming platforms.
• Comfortable with core DevOps tooling such as Docker, Kubernetes, CI/CD pipelines.
• Hands-on experience with multiple blockchain ecosystems.
• Experience working with or contributing to open-source blockchain clients.
• Familiarity with relational databases, logging & monitoring systems, and cloud-based infrastructure providers.
• Passionate about security, reliability, and performance.
• Considerate of tomorrow’s engineer: clean code, clear documentation, meaningful tests.
• Comfortable with ambiguity and able to drive alignment across teams with different priorities.
• Pragmatic – you know when to build the elegant solution and when to ship the working one.

Unless a specific application deadline is stated in the job posting, applications are accepted on an ongoing basis. We 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. Kraken is powered by people from around the world and we celebrate all Krakenites for their diverse talents, backgrounds, contributions and unique perspectives. We hire strictly based on merit, meaning we seek out the candidates with the right abilities, knowledge, and skills considered the most suitable for the job. We encourage you to apply for roles where you don't fully meet the listed requirements, especially if you're passionate or knowledgeable about crypto!

We may ask candidates to complete job-related skills or work-style assessments as part of our hiring process. These assessments are designed to evaluate competencies relevant to the role and are applied consistently across candidates for similar positions. Assessment results are considered alongside other relevant information, such as experience and interviews, and are not the sole basis for any employment decision. As an equal opportunity employer, we don’t tolerate discrimination or harassment of any kind.