Staff Backend Engineer, Institutional Custody

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Looking to join a world-class blockchain development team? Ava Labs makes it simple to deploy high-performance solutions for Web3, led by innovations on Avalanche. The company was founded by Cornell computer scientists, who partnered with Wall Street veterans and early Web3 leaders to execute a promising vision for redefining the way people build permissionless networks. Ava Labs is redefining the way people create value with Web3. Join us as we empower people to easily and freely digitize all the world’s assets on one open, programmable blockchain platform.

We are looking for a Staff Backend Engineer to join our Crypto Custody team. Our team is responsible for designing, developing, and scaling secure, high-performance blockchain and crypto wallet products for Ava Labs and our ecosystem partners. This role is an integral part of our technical leadership group—pioneering cutting-edge solutions, building modular and scalable crypto wallet infrastructures, and ensuring the highest standards of security.

WHAT YOU WILL DO

• Innovate & Architect:

• Design, develop, and maintain crypto wallet systems using Golang, ensuring robust support for protocols such as multi-party computation (MPC) and multi-signature (multi-sig) configurations

• Architect modular, scalable backend systems with an unwavering commitment to security and performance

• Collaborate Across Teams:

• Work closely with Partners to optimize configurations and setups for Ava Labs products

• Provide technical guidance across Business Development, Product, Security, Finance, and Engineering teams

• Drive Product Advancements:

• Assess opportunities and recommend solutions tailored to client needs

• Establish architectures and systems that ensure mass adoption of Ava Labs products while maintaining top-tier security

• Exhibit Extreme Ownership:

• Demonstrate an independent, driven mindset that thrives on taking initiative without being micromanaged

• Take full responsibility for delivering high-quality, secure backend solutions while continuously embracing challenges, learning, and pushing boundaries to drive product excellence

WHAT YOU WILL BRING

• Technical Expertise:

• 5+ years of hands-on engineering experience with a strong focus on backend systems

• Proven track record in building crypto wallets or blockchain-related products

• Deep understanding of both UTXO and Account models, state management, and consensus mechanisms

• Extensive experience in secure coding practices with a very strong understanding of security principles as they apply to blockchain and crypto wallet systems

• Familiarity with competitive technologies and cloud service setups

• Leadership & Independence:

• A self-driven, independent mindset with extreme ownership over your work and outcomes

• Thrive in an environment where you are empowered to take initiative and work autonomously without being micromanaged

• Excellent problem-solving skills and a proactive approach to overcoming technical challenges

• Customer Focus:

• A user-centric approach to designing and launching high-quality products that fuel the growth of the crypto economy

• Proven ability to empathize with customer challenges and translate those insights into actionable development priorities

NICE TO HAVE

• 3+ years of solutions architecture experience

• Experience with Golang and JavaScript is a plus

• Experience with multi-party computation (MPC) protocols

• Hands-on experience with advanced security testing tools and methodologies

• Expertise in infrastructure engineering, including Kubernetes, CI/CD pipelines, and cloud platforms such as AWS, GCP, or Azure

• Prior senior-level engineering experience in a blockchain or crypto organization

Salary Range: $185,000 - $219,000

(**This is not a guarantee of compensation or salary, a final offer amount may vary based on factors including but not limited to experience and geographic location. NYC metro candidates are required to be in office 2-3x/week (with exceptions)).

#LI-Remote #LI-DS1

WHY AVA LABS?

If you've ever thought about joining an early stage Web3 company - this is it! We're a global, world-class team of experts in computer science, economics, finance, marketing, and law with offices in New York City and Miami. We're highly passionate about Web3 and redefining the way people build and use finance and decentralized applications of all kinds. The company received early-stage funding from Andreessen Horowitz, Initialized Capital, and Polychain Capital, with angel investments from Balaji Srinivasan and Naval Ravikant. Join us and be a pioneer in a new technology that will have implications across a range of verticals such as finance, gaming, investing, collectibles, among many others.

Ava Labs is committed to diversity in the workplace and we’re proud to be an Equal Opportunity Employer. We do not hire on basis of race, color, religion, creed, gender, national origin, citizenship, age, disability, veteran status, marital status, pregnancy, parental status, sex, gender expression or identity, sexual orientation, or any other basis protected by local, state or federal law. All employment is decided on the basis of qualifications, merit, and business need.