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devweb3fintechdefi
About this role
Join Improbable or Offchain Labs as a Full Stack or Senior Backend Engineer, working on cutting-edge blockchain technology with competitive salaries and remote work options.
Description
Improbable is a British technology unicorn ($5 billion+ valuation) creating L1 Somnia, processing 1M+ TPS with 110M+ wallets and 70+ projects. Offchain Labs is the core of the Arbitrum ecosystem ($20 billion TVL, 2.1 billion+ transactions) with $124 million in funding.
Responsibilities
Full Stack Engineer (Improbable / Somnia)
- Full lifecycle (prototype → deployment)
- Create SDK/CLI/internal tooling
- Collaborate with DevRel/Marketing/BD
Senior Backend Engineer, Rust (Offchain Labs / Arbitrum)
- Develop Nitro (Arbitrum node)
- Optimize execution engine / networking / state management
- Ensure observability and security
Requirements
Full Stack Engineer (Improbable / Somnia)
- Strong TypeScript
- Understanding of on-chain products
- Autonomy and ability to balance speed and reliability
Senior Backend Engineer, Rust (Offchain Labs / Arbitrum)
- Expert in Rust
- Experience in production development
- Interest in runtimes / WASM / developer tooling
- Plus: experience with WASM, open-source in Rust ecosystem, knowledge of blockchain infrastructure
Conditions & Benefits
Full Stack Engineer (Improbable / Somnia)
- Salary: ~$80,000 – $100,000 per year (gross)
Senior Backend Engineer, Rust (Offchain Labs / Arbitrum)
- Salary: ~$110,000 – $150,000 per year (gross)
Job Details
Salary$80,000–$150,000
LocationRemote
AI Score★★★★★★★★☆☆ 8/10
PostedJun 14, 2026 (98d ago)
Tags & Skills
devweb3fintechdefil1l2cryptoFull Stack Developerremote
Tech Stack
TypeScriptGolangRustWASM