Senior Backend Engineer : Offchain

April 21, 2025

Job Description

Description

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. 

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
  • 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