Senior Backend Engineer, Nitro

As a Senior Backend Engineer on the Nitro team at Offchain Labs, you'll work on the core infrastructure powering Arbitrum, the leading Ethereum scaling solution. You'll tackle complex distributed systems challenges, optimize performance, and contribute to the security and scalability of Arbitrum alongside world-class engineers and industry leaders. You'll collaborate closely with research, product, and blockchain engineering teams at the cutting edge of blockchain technology.

What you'll do

• Work on core infrastructure powering Arbitrum
• Tackle complex distributed systems challenges
• Optimize performance across the stack
• Contribute to the security and scalability of Arbitrum
• Collaborate with research, product, and blockchain engineering teams

What you bring

• Extensive production experience with a programming language that supports concurrency, such as Go, C++, or Rust
• A strong sense of ownership in your work and a drive to find innovative solutions through rigorous experimentation
• Knowledge of the latest technologies in your domain
• Open, transparent and direct communication style with experience working in tight collaboration with teammates
• Openness to feedback, new ideas and opportunities for self-improvement
• A willingness to help out beyond your immediate day-to-day work
• A track record of making significant contributions to the products you've worked on
• A security-focused mindset, always keeping an eye out for potential threats and vulnerabilities

Nice to have

• Familiarity with WebAssembly, particularly writing high performance and high security code in production environments
• Experience working with compilers, architecting systems and developing SDKs

What we offer

• Remote-first global workforce with a New York office
• Professional reimbursement program for industry conference attendance, certifications, and more
• Medical, dental and vision coverage (US and some other countries)
• 401k retirement plan with company match (US only)
• Wellness stipend
• Home office setup and ergonomic equipment program

About Offchain Labs

Offchain Labs built the Arbitrum stack powering Arbitrum One, the most widely adopted Ethereum scaling solution. The Arbitrum ecosystem includes hundreds of projects and dApps, with over 100 teams using Offchain technology to build their own Arbitrum chains. Major players including Robinhood, BlackRock, Ethena Labs, Securitize, Aave, and Apechain use the Arbitrum stack. The company is backed by $124 million in funding and has demonstrated consistent execution with billions in secured value and millions of transactions processed daily.

Note: This role cannot be performed in California or Colorado.