# Senior Backend Engineer

**Company:** [Offchain Labs](https://hotfix.jobs/companies/offchain-labs)
**Location:** Remote
**Role:** Backend Engineering
**Skills:** Go, Rust, C++, Webassembly, Blockchain, Distributed Systems, Ethereum, Compilers, SDKs
**Posted:** 2025-04-17

> 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++.

## Job Description

## 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.

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**Apply:** https://hotfix.jobs/jobs/8d059409-165c-4725-9e84-4ee7458090e7
**Canonical:** https://hotfix.jobs/jobs/8d059409-165c-4725-9e84-4ee7458090e7