Senior Backend Engineer

Responsibilities

• Work on the core infrastructure powering Arbitrum, the leading Ethereum scaling solution.
• Tackle complex distributed systems challenges.
• Optimize performance.
• Contribute to the security and scalability of Arbitrum.
• Collaborate closely with research, product, and blockchain engineering teams.

Requirements

• Extensive production experience with a programming language that supports concurrency (e.g. Go, C++, or Rust).
• Strong sense of ownership, driving innovative solutions through rigorous experimentation.
• Up to speed on the latest technologies.
• Open, transparent communication style and experience working in tight collaboration.
• Open to feedback and self-improvement.
• Help beyond immediate day-to-day work.
• Significant contributions to products in your career.
• Security-focused mindset, watching for threats and vulnerabilities.

Nice to Have

• Familiarity with WebAssembly, particularly high performant and secure production code.
• Passion for, curiosity about, or experience with Blockchain technology.
• Experience with compilers, architecting systems, and developing SDKs.

Perks

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