Senior Backend Engineer
Offchain Labs builds blockchain infrastructure for the programmable economy, including Arbitrum scaling technology, Prysm consensus software, and ZeroDev smart account infrastructure. It also provides enterprise blockchain services, research, strategic support, and venture initiatives for developers, enterprises, and blockchain ecosystems.
Maintainer signals as of 8/23/2026
Funding history
Projects
About Offchain Labs, Inc.
Offchain Labs is an onchain engineering and infrastructure company founded at Princeton University. Its products include Arbitrum, a leading Ethereum Layer 2 scaling platform; Prysm, Ethereum consensus software; and ZeroDev, smart account infrastructure. The company also delivers bespoke enterprise blockchain architecture and engineering services, conducts research in scalability, security, cryptography, and economic design, and operates venture initiatives including Tandem and Onchain Labs. Its clients and users include developers, enterprises, institutional operators, builders, and blockchain ecosystems.
Skills
About the Role
Work on the core infrastructure powering Arbitrum, solving distributed systems challenges, optimizing performance, and contributing to the security and scalability of the network. Collaborate with research, product, and blockchain engineering teams while writing production-quality concurrent code in Go, C++, or Rust.
Requirements
- Extensive production experience with a concurrency-supporting language such as Go, C++, or Rust
- Strong sense of ownership and rigorous experimentation
- Open, transparent, and direct communication style
- Experience collaborating closely with teammates
- Significant contributions to production products
- Security-focused mindset
Responsibilities
- Work on the core infrastructure powering Arbitrum
- Tackle complex distributed systems challenges
- Optimize system performance
- Contribute to security and scalability
- Collaborate closely with research, product, and blockchain engineering teams
- Write production-quality concurrent code
Benefits
- Remote-first global workforce with New York office
- Annual company offsite and team onsites
- Professional reimbursement program for conferences and certifications
- Medical, dental, and vision coverage in the US and some other countries
- 401k retirement plan with company match in the US
- Wellness stipend
- Home office setup and ergonomic equipment program
