Senior Cross-Chain Backend Engineer - Remote

Chainlink; New York (NY); Remote; USD 170,000 - 230,000; Full time

Job summary

Chainlink Labs is seeking a Senior Software Engineer for the CCIP Protocol team. You will design and maintain services that coordinate fast, fault-tolerant cross-chain transactions under adversarial conditions, strengthening reliability and security.

You will build backend services powering secure cross-chain message execution, reduce latency, and contribute to protocol security initiatives while collaborating on architectural decisions to enable long-term scalability of CCIP.

Qualifications

• Backend engineering experience with Go, Rust, or TypeScript.
• Design distributed systems with security and reliability as core.
• Experience shipping production-grade backend services with resiliency.
• Collaborative in engineering design and decisions.

Responsibilities

• Build and evolve the backend services that power secure, reliable cross-chain message execution across blockchain ecosystems.
• Improve protocol reliability for EVM chains by delivering resilient systems designed with security as a primary consideration.
• Reduce cross-chain transaction latency through optimizations to RPC usage and protocol performance.
• Develop internal tooling that enables faster diagnosis and resolution of production issues during incident response.
• Contribute to protocol security initiatives that strengthen the resilience of CCIP under adversarial conditions.
• Participate in technical design discussions that improve the architecture and long-term scalability of the protocol.

Skills

Backend engineering

Distributed systems design

Crypto/DeFi experience

Production-grade systems

Team collaboration

Tools

Cloud infrastructure

Containerized workloads

Public cloud platforms

Docker/Kubernetes

Job description

Chainlink Labs is seeking a Senior Software Engineer for the CCIP Protocol team. You will design and maintain services that coordinate fast, fault-tolerant cross-chain transactions under adversarial conditions, strengthening reliability and security.

You will build backend services powering secure cross-chain message execution, reduce latency, and contribute to protocol security initiatives while collaborating on architectural decisions to enable long-term scalability of CCIP.