Ava Labs is looking to hire a Senior Software Engineer to join their Crypto Custody team to design, develop, and scale secure, high-performance blockchain and crypto wallet products for Ava Labs and its ecosystem partners. This role will be part of the technical leadership group, pioneering cutting-edge solutions, building modular and scalable crypto wallet infrastructures, and ensuring the highest standards of security.
Requirements
- API & data ownership: designed/operated REST APIs, modeled data (Postgres/SQLite), and built real-time features (WebSockets/webhooks) with strong DX and documentation.
- Infrastructure Exposure (Basic Kubernetes (K8), Docker, CI/CD, Cloudflare)
- Experience with Github Actions, as well as developing microservices architecture
- Security-first mindset: collaborate effectively with Security/Compliance; manage secrets; build auditability and observability into the product.
- Deep understanding of both UTXO and account models, state management, consensus mechanisms
- 5+ years of hands-on engineering experience delivering features across Backend and Fullstack (TypeScript/Node)
- Experience or familiarity integrating services with Go
Responsibilities
- Design, develop, and maintain crypto wallet systems using TypeScript, Node, & REST API, & Go. Pushing to advance the client application experience
- Architect modular, scalable backend systems with an unwavering commitment to security and performance
- 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
- 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
- built real-time features (WebSockets/webhooks) with strong DX and documentation.
Other
- Prior senior-level engineering experience in a blockchain, DeFi, or crypto organization
- 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