Offchain Labs · 1 month ago
Senior Backend Engineer
United States
Full-time
Remote
Senior LevelOffchain Labs is a pioneer in blockchain scalability and security, transforming interactions with decentralized applications. The Senior Backend Engineer will work on the core infrastructure of Arbitrum, tackling complex distributed systems challenges while collaborating with various teams to enhance performance, security, and scalability.
BlockchainNetwork SecuritySecuritySmart ContractsSoftware
Responsibilities
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
Qualification
Required
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
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
Preferred
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
Benefits
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
Company
Offchain Labs
Offchain Labs develops a solution for scaling Ethereum smart contracts.
Founded in 2018
51-200 employees
H1B Sponsorship
Offchain Labs has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (2)
2023 (2)
Funding
Current Stage
Growth StageTotal Funding
$123.7MKey Investors
Lightspeed Venture PartnersPantera Capital
2021-08-31Series B· $100M
2021-04-01Series A· $20M
2019-04-03Seed· $3.7M
Leadership Team
Ed Felten
Co-Founder and Chief Scientist
Harry Kalodner
CTO and Co-Founder
Recent News
Company data provided by crunchbase