Ava Labs · 1 day ago
Senior Software Engineer, Institutional Custody
Brooklyn, NY
Full-time
Hybrid
Senior Level
$158K/yr - $198K/yr
5+ years expAva Labs is a pioneering company in blockchain development, focused on deploying high-performance solutions for Web3. The Senior Software Engineer will be part of the Crypto Custody team, responsible for designing, developing, and scaling secure blockchain and crypto wallet products while ensuring the highest standards of security.
BlockchainCryptocurrencyDecentralized Finance (DeFi)FinTechInternetNon-Fungible Token (NFT)Smart Contracts
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
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
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
Qualification
Required
Designed/operated REST APIs
Modeled data (Postgres/SQLite)
Built real-time features (WebSockets/webhooks) with strong DX and documentation
Basic Kubernetes (K8) exposure
Docker exposure
CI/CD exposure
Cloudflare exposure
Experience with Github Actions
Developed microservices architecture
Collaborated effectively with Security/Compliance
Managed secrets
Built auditability and observability into the product
Prior senior-level engineering experience in a blockchain, DeFi, or crypto organization
Deep understanding of both UTXO and account models
Deep understanding of state management
Deep understanding of consensus mechanisms
5+ years of hands-on engineering experience delivering features across Backend and Fullstack (TypeScript/Node)
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
A user-centric approach to designing and launching high-quality products
Proven ability to empathize with customer challenges and translate those insights into actionable development priorities
Preferred
Experience or familiarity integrating services with Go
Familiarity with multi-party computation (MPC) protocols
Familiarity with React
Company
Ava Labs
AVA is a blockchain platform with revolutionary scalability, decentralization, security, and flexibility.
51-200 employees
H1B Sponsorship
Ava Labs has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (2)
2023 (5)
2022 (3)
Funding
Current Stage
Public CompanyTotal Funding
$290M2021-09-16Initial Coin Offering· $230M
2020-07-22Initial Coin Offering· $42M
2020-06-25Initial Coin Offering· $12M
Leadership Team
Lydia Chiu
Senior Vice President of Corporate Development
John Wu
President
Recent News
2025-12-16
2025-11-11
2025-11-08
Company data provided by crunchbase