Staff Backend Engineer, Institutional Custody

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)). 

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