Senior Backend Engineer

At Offchain Labs, we are not just building products — we’re leading a movement. 

We are committed to creating a decentralized, secure, and transparent future through blockchain technology. Our mission is to push the boundaries of blockchain innovation and foster a creative, collaborative, and inclusive culture where ideas can come to life. We know that the future of blockchain technology is limitless, and the best way to achieve this is by working with the brightest minds. 

We’re looking for thinkers and doers who are eager to embrace new challenges and seek solutions that will push existing boundaries. If you believe in the importance of transparency, trust, and the decentralization of control, and if you’re curious, adaptable, and want to disrupt the status quo, then we want to hear from you. 

Why Offchain Labs?

Our team is committed to bridging the gap between the current state of blockchain and its potential. Our flagship product, Arbitrum One, is a dominant force in Ethereum scaling and is trusted by enterprises, developers, and users worldwide. But that’s just the beginning. Our passionate team is constantly building on this success, rolling out innovative tools such as Arbitrum AnyTrust, Arbitrum Orbit, Stylus, BoLD, and Arbitrum Nitro. Offchain Labs also contributes to the Ethereum core protocol with the Prysm consensus client.

Following the successful raising of $3.8M in seed funding in January 2019, as well as $20M in Series A and $100M in Series B funding in 2021, we are looking to expand our team. We invite individuals with a strong interest in blockchain and a talent for approaching problems from unique perspectives to join us in shaping the future of this dynamic field.

As part of the Nitro Backend team at Offchain Labs, you will work on the core infrastructure powering Arbitrum, the leading Ethereum scaling solution. In this role, you’ll tackle complex distributed systems challenges, optimize performance, and contribute to the security and scalability of Arbitrum. You’ll collaborate closely with our research, product, and blockchain engineering teams, working at the cutting edge of blockchain technology alongside world-class engineers, including many industry leaders.

Who you are:

• Possess extensive production experience with a programming language that supports concurrency (e.g. Go, C++, or Rust)
• Possess a strong sense of ownership in your work which drives you to find new and innovative ways to solve complex problems through rigorous experimentation
• Always up to speed on the latest technologies
• Possess an open, transparent and direct communication style and have experience working in tight collaboration with your teammates
• Always open to feedback, new ideas and opportunities for self-improvement
• You look for ways to help out beyond your immediate day-to-day work

What you've done:

• Made significant contributions to the products you’ve worked on in your career
• Maintained a security focused mindset, always keeping an eye out for potential threats and vulnerabilities in your code




Nice to have:

• Familiarity with WebAssembly, particularly writing high performant and high security code in production environments
• Passion for, curiosity about, or experience working with Blockchain technology
• Experience working with compilers, architecting systems and developing SDKs

Perks:

• Remote-first global workforce + NY office 
• Annual company offsite + team onsites
• Professional reimbursement program (facilitates industry conference attendance, certifications, and more)
• Medical, dental & vision coverage (US + some other countries)
• 401k retirement plan + company match (US only)
• Wellness stipend
• Home office set up / ergonomic equipment program

Attention Offchain Labs Job Seekers:

Please be advised that there has been a rise in fraudulent recruiter activities, particularly within the Web3 space. If you would like to confirm whether someone is an OCL employee or the legitimacy of an offer you received, please email [email protected]

At Offchain Labs, we believe that diversity, equity, inclusion and belonging are essential to our success. We are committed to building a welcoming and supportive workplace for all employees, regardless of their background or identity. We strive to create an environment where everyone feels valued and has an equal opportunity to succeed and thrive. We encourage candidates from all walks of life to apply and join our team.