Senior Backend Engineer, Institutional Custody

We are looking for a Senior 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

What we offer

• Salary Range: $159,000 to $199,000
• (***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)).

About the company

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