Staff Backend Engineer, Custody Wallets
Ava Labs is a blockchain technology company that helps organizations build scalable decentralized applications and custom blockchains on Avalanche. Its offerings include AvaCloud for managed custom blockchains and Core, an Avalanche-native digital asset wallet.
Investors
About Ava Labs, Inc.
Ava Labs, Inc. develops blockchain technology and products for organizations building on the Avalanche network. The company provides AvaCloud, a managed service for launching custom blockchains, and Core, an Avalanche-native digital asset wallet. It focuses on business, finance, developers, enterprises, and the wider Avalanche ecosystem.
Skills
About the Role
You will design, develop, and maintain high-performance crypto wallet backend systems using Go, supporting protocols such as multi-party computation (MPC) and multi-signature configurations. You will architect modular, scalable services with a strong focus on security and performance, and implement secure coding practices. You will collaborate with partners and cross-functional teams to optimize integrations and configurations, provide technical guidance, and translate customer needs into robust backend solutions. You will assess product opportunities, recommend solutions, and take full ownership of delivering reliable, production-grade systems while continuously improving designs and processes.
Requirements
- 5+ years of backend engineering experience
- Strong proficiency in Go
- Experience building crypto wallets or blockchain-related products
- Deep understanding of UTXO and Account models state management and consensus mechanisms
- Strong secure coding practices and security principles for blockchain and wallet systems
- Familiarity with cloud service setups and competitive cloud technologies
- Proven ability to work independently and take extreme ownership
- Excellent problem-solving skills and user-centric product focus
Responsibilities
- Design crypto wallet systems supporting MPC and multi-signature configurations
- Develop and maintain backend services in Go with emphasis on security and performance
- Architect modular and scalable backend systems
- Collaborate with partners and cross-functional teams to optimize integrations
- Provide technical guidance to Product Security Finance and Engineering stakeholders
- Assess opportunities and recommend tailored technical solutions
- Establish architectures that support mass adoption while maintaining security
- Own delivery of high-quality secure backend solutions and drive continuous improvement
