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Senior Backend Engineer - Solidity - Onchain

Kraken
United States, United StatesRemotefull_timeVerifiedPosted 2 Sept 2025
💰 $203,000/yr($127,000/yr$203,000/yr)

About the role

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.

Before you apply, please read the Kraken Culture page to learn more about our internal culture, values, and mission. We also expect candidates to familiarize themselves with the Kraken app. Learn how to create a Kraken account here.

As a fully remote company, we have Krakenites in 70+ countries who speak over 50 languages. Krakenites are industry pioneers who develop premium crypto products for experienced traders, institutions, and newcomers to the space. Kraken is committed to industry-leading security, crypto education, and world-class client support through our products like Kraken Pro, Desktop, Wallet, and Kraken Futures.

Become a Krakenite and build the future of crypto!

Proof of work

The team

Join our Onchain team and have the opportunity to contribute to the ongoing transformation of the digital assets industry at Kraken. Our team plays a crucial role in identifying problems in the industry and delivering novel solutions.

As a member of the Onchain team, you will have the chance to collaborate with highly skilled Rust Engineers, cryptographers, and Onchain experts from around the world. We are enthusiastic about open source, Layer 2 technologies, zero-knowledge proofs, multi-party computation, and continuously strive to explore the potential of on-chain scaling solutions. Our collaborative work environment allows us to stay ahead in the ever-changing crypto landscape.

The team has embarked on exploring how more protocols and decentralized applications can be integrated into Kraken. By joining our team, you will have the opportunity to contribute towards shaping the future of Kraken’s Onchain product strategy.

The opportunity

  • Collaborate with product managers to understand business needs

  • Work jointly with frontend and devOps all along the software development lifecycle from the writeup of technical specifications in the form of RFCs, to feature development and testing.

  • Develop and maintain services that power onchain experiences.

  • Integrate 3rd party APIs and multiple blockchain networks into our products.

  • Design and engineer efficient and secure solidity contracts

  • Design and implementation of low-latency, high-availability scalable applications

  • Write reusable, testable, and efficient code

  • Create optimized database schemas

  • Mentoring of engineers and contribution to hiring

Skills you should HODL

  • 5+ years of full-time engineering experience within a large technology organization or fast growing startup

  • 5+ years of solidity familiarity and development experience

  • Experience working with blockchain technology and DeFi

  • Experience building backend services with Node.js, Typescript

  • Experience building and maintaining high volume production quality applications using familiar solidity frameworks such as Foundry, OpenZeppelin, etc. with good knowledge of state management and client side systems design

  • Experience working with GraphQL, SQL, RESTful APIs and WebSockets

  • Good understanding of best practices with version control and continuous integra

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Company

Kraken

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