Remote Cross-Chain Backend Engineer

Chainlink Labs; Ireland; On-site; EUR 110,000 - 180,000; Full time

Job summary

Chainlink Labs is seeking a Software Engineer for the CCIP Protocol team to design and maintain services that coordinate fast, fault-tolerant cross-chain transactions. You will improve reliability and security for the core CCIP protocol while enabling long-term ecosystem growth.

You will build backend services, optimize latency, and contribute to security initiatives across cross-chain integrations, working in a remote-first environment with flexible overlap with EST hours.

Qualifications

• Backend engineering experience in Go, Rust, or TypeScript.
• Experience delivering software in crypto projects or remote-first teams.
• Designing distributed systems with security and reliability as core principles.
• Built or maintained production backend systems focused on resiliency and operations.

Responsibilities

• Build and evolve backend services powering cross-chain message execution.
• Improve protocol reliability for EVM chains with secure, resilient systems.
• Reduce cross-chain latency through RPC and protocol performance improvements.
• Develop internal tooling for faster incident diagnosis and resolution.
• Contribute to protocol security initiatives to strengthen CCIP resilience.
• Engage in technical design discussions to improve architecture and scalability.

Skills

Go

Rust

TypeScript

Job description

Chainlink Labs is seeking a Software Engineer for the CCIP Protocol team to design and maintain services that coordinate fast, fault-tolerant cross-chain transactions. You will improve reliability and security for the core CCIP protocol while enabling long-term ecosystem growth.

You will build backend services, optimize latency, and contribute to security initiatives across cross-chain integrations, working in a remote-first environment with flexible overlap with EST hours.