Senior Software Engineer (Backend) - Core Wallet Team
Job Description
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Join Ava Labs, a world-class blockchain development team leading innovations on Avalanche, to deploy high-performance solutions for Web3. Ava Labs, founded by Cornell computer scientists and early Web3 leaders, empowers people to digitize assets on an open, programmable blockchain platform.
The role of a Senior Software Engineer involves taking ownership of Core’s backend services, including balance and notification services, and contributing to the Core browser extension wallet. The Core team delivers a best-in-class wallet experience for the Avalanche Ecosystem.
What You Will Do
- Build distributed, scalable, and highly performant APIs to support the Core wallet experience.
- Design, build, and deploy highly secure, scalable, and maintainable client-facing UI systems.
- Provide expertise in creating the most user-friendly, visually appealing product UI.
- Create developer libraries and SDKs.
- Collaborate with cross-functional teams, including frontend engineers, designers, and product and security experts, to deliver end-to-end solutions.
What You Will Bring
- A BS in Computer Science or equivalent experience.
- 5+ years of general backend development experience.
- 3+ years of experience with TypeScript/Node.js.
- 3+ years of experience with React.
- Experience with AWS Cloud Stack (DynamoDB, KMS, SQS, Lambda, etc).
- A passion for blockchain technology/Web3 and eagerness to stay updated with the latest news and developments.
Why Ava Labs?
Ava Labs is an early-stage Web3 company with a global, world-class team of experts in computer science, economics, finance, marketing, and law. Based in New York City and Miami, the company is highly passionate about redefining finance and decentralized applications. Ava Labs has received early-stage funding from Andreessen Horowitz, Initialized Capital, and Polychain Capital, with notable angel investments from Balaji Srinivasan and Naval Ravikant.
Join us to be a pioneer in a transformative technology with implications across finance, gaming, investing, collectibles, and more.
Ava Labs is committed to diversity and is an Equal Opportunity Employer. Employment decisions are based on qualifications, merit, and business need.
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Ava Labs
View Company ProfileAva Labs (operating at avalabs.org) is a blockchain platform and smart-contract company engineered for high-performance, scalable Web3 solutions. Founded in 2018 by Cornell University researchers and headquartered in New York, NY, Ava Labs specializes in deploying decentralized infrastructure that bridges traditional finance with onchain innovation. Unlike legacy blockchains constrained by scalability or centralized bottlenecks, Avalanche’s architecture delivers sub-second finality, interoperability, and modular flexibility. This allows developers, enterprises, and DeFi projects to build and scale applications with enterprise-grade security while maintaining decentralization. The platform’s underlying technology—comprising Avalanche’s consensus protocol, X-Chain for assets, and C-Chain for smart contracts—ensures seamless cross-chain compatibility and near-instant transaction settlement. Backed by a team with Fortune 500 and high-growth blockchain experience, Ava Labs positions itself as a foundational layer for the next generation of financial infrastructure.
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