# Senior Backend Engineer, Rust

**Company:** [Offchain Labs](https://hotfix.jobs/companies/offchain-labs)
**Location:** Remote
**Role:** Backend Engineering
**Experience:** 5+ years
**Skills:** Rust, Webassembly, Distributed Systems, Blockchain, Smart Contracts, Performance Optimization, Systems Programming, Security
**Posted:** 2026-06-08

> Build and optimize Nitro, Arbitrum's core node software for Ethereum scaling. Focus on transaction execution, state management, networking, and performance in Rust.

## Job Description

## What you'll work on
- Building and improving Nitro, the core node software that powers Arbitrum
- Designing and optimising systems responsible for transaction execution, state management, and network performance
- Scaling throughput and improving the performance and efficiency of Arbitrum's core infrastructure
- Solving distributed systems challenges across a large-scale blockchain network
- Enhancing reliability, observability, and security across critical infrastructure
- Developing new capabilities for the Arbitrum stack

## Who you are
- Experienced Rust engineer with a track record of building production systems
- Comfortable working across distributed systems, infrastructure, and performance-critical applications
- Motivated by solving complex technical problems at scale
- Able to take ownership of projects from technical design through implementation and operation
- Pragmatic, collaborative, and capable of making sound engineering trade-offs
- Interested in runtimes, execution environments, WASM, developer tooling, and/or systems programming
- Maintained a security focused mindset, always keeping an eye out for potential threats and vulnerabilities in your code

## Nice to have
- Experience with WASM
- Familiarity with blockchain infrastructure or smart contract platforms
- Open source contributions within the Rust ecosystem

## 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

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**Apply:** https://hotfix.jobs/jobs/56581bd8-5380-4053-b35e-2c3a549438bc
**Canonical:** https://hotfix.jobs/jobs/56581bd8-5380-4053-b35e-2c3a549438bc