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Senior Backend Engineer

Develop core backend infrastructure for Arbitrum, Ethereum's leading scaling solution. Tackle distributed systems challenges, optimize performance, ensure security and scalability using concurrency languages like Go, Rust, or C++.

About the job

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.

Skills

Go, Rust, C++, Webassembly, Blockchain, Distributed Systems, Ethereum, Compilers, SDKs

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