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Kraken · 23 hours ago

Backend Software Engineer - Custody

United States

Full-time

Remote

Senior Level

$110K/yr - $221K/yr

5+ years exp

Kraken is a mission-focused company rooted in crypto values, aiming to accelerate global adoption of crypto for financial freedom. As a Backend Software Engineer in the Custody team, you will integrate existing systems with new blockchains, design secure applications, and contribute to the development of high-volume services.

BitcoinBlockchainCryptocurrencyEthereum

Growth Opportunities

H1B Sponsor Likely

Responsibilities

Integrate our existing systems with exciting 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

Qualification

RustBlockchain daemonsCryptographic conceptsDistributed systemsDockerKubernetesGNU/LinuxScalable application designC++GoAsynchronous programmingMessaging platformsSecurity compliance

Required

5 to 10 years of experience as a backend developer

Proficiency in Rust, or C++, Go

Experience with Blockchain daemons such as Bitcoind, Litecoind, or other crypto software

Strong foundation in cryptographic concepts

Working knowledge of Docker, Kubernetes, and GNU/Linux

Understanding the nature of asynchronous programming and its quirks and workarounds

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

Preferred

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

Company

Kraken

Glassdoor4.5

Kraken is a global cryptocurrency exchange platform that allows users to buy, sell, and trade digital assets securely.

Founded in 1911

Remote First, US

1001-5000 employees

https://www.kraken.com/

H1B Sponsorship

Kraken has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (1)