Senior Software Engineer, Core
Confirmed on the employer's own hiring board on Sep 24, 2026. First seen by Alion on Sep 22, 2026.
Looking to join a world-class blockchain development team? Ava Labs makes it simple to deploy high-performance solutions for Web3, led by innovations on Avalanche. The company was founded by Cornell computer scientists, who partnered with Wall Street veterans and early Web3 leaders to execute a promising vision for redefining the way people build permissionless networks. Ava Labs is redefining the way people create value with Web3. Join us as we empower people to easily and freely digitize all the world’s assets on one open, programmable blockchain platform.
We are seeking a Senior Software Engineer with experience working with AWS-based backend services. This particular role will be expected to take ownership over Core’s backend services, providing various capabilities such as balance and notification services and contributing to the Core browser extension wallet. The Core team is responsible for delivering a best-in-class wallet experience for the Avalanche Ecosystem and beyond.
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 building 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
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)
Passion for blockchain technology/web3 and eagerness to consume the latest news and developments
(**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.)
WHY AVA LABS?
If you've ever thought about joining an early stage Web3 company - this is it! We're a global, world-class team of experts in computer science, economics, finance, marketing, and law with offices in New York City and Miami. We're highly passionate about Web3 and redefining the way people build and use finance and decentralized applications of all kinds. The company received early-stage funding from Andreessen Horowitz, Initialized Capital, and Polychain Capital, with angel investments from Balaji Srinivasan and Naval Ravikant. Join us and be a pioneer in a new technology that will have implications across a range of verticals such as finance, gaming, investing, collectibles, among many others.
Ava Labs is committed to diversity in the workplace and we’re proud to be an Equal Opportunity Employer. We do not hire on basis of race, color, religion, creed, gender, national origin, citizenship, age, disability, veteran status, marital status, pregnancy, parental status, sex, gender expression or identity, sexual orientation, or any other basis protected by local, state or federal law. All employment is decided on the basis of qualifications, merit, and business need.