Senior Backend Engineer – Remote, Cross‑Chain & DeFi

Chainlink Labs; Ireland; Remote; EUR 110,000 - 170,000; Full time

Job summary

Chainlink Labs, a remote-first organization, seeks a Senior Software Engineer to design and maintain services that coordinate fast, fault-tolerant cross-chain transactions. You will reinforce reliability, security, and operational resilience of the CCIP protocol while enabling faster ecosystem growth.

Bring backend experience in Go, Rust, or TypeScript, with a track record in crypto projects or remote teams.

Qualifications

• Demonstrated backend engineering experience using Go, Rust, or TypeScript.
• Experience delivering software in crypto projects or remote-first teams.
• Proven ability to design distributed systems with security and reliability as core principles.
• Backend systems built/maintained in production with emphasis on resiliency and operations.

Responsibilities

• Build and evolve the backend services powering cross-chain message execution.
• Improve protocol reliability for EVM chains with secure, scalable designs.
• Reduce cross-chain latency via RPC and protocol performance optimizations.
• Develop internal tooling to diagnose and resolve production incidents quickly.
• Contribute to protocol security initiatives to strengthen CCIP resilience.
• Participate in design discussions to improve architecture and long-term scalability.

Skills

Go

Rust

TypeScript

Job description

Chainlink Labs, a remote-first organization, seeks a Senior Software Engineer to design and maintain services that coordinate fast, fault-tolerant cross-chain transactions. You will reinforce reliability, security, and operational resilience of the CCIP protocol while enabling faster ecosystem growth.

Bring backend experience in Go, Rust, or TypeScript, with a track record in crypto projects or remote teams.