Remote Senior Software Engineer - Cross-Chain Backend

Chainlink Labs; New York (NY); Remote; USD 140,000 - 210,000; Full time

Job summary

Chainlink Labs is seeking a Senior Software Engineer to design and maintain services that coordinate fast, fault-tolerant cross-chain transactions. You will strengthen reliability, security, and operational resilience of the CCIP protocol while accelerating performance and ecosystem growth.

Qualifications include backend engineering experience with Go, Rust, or TypeScript, and a track record in crypto projects or remote work environments.

Qualifications

• Demonstrated backend engineering experience using Go, Rust, or TypeScript.
• Experience delivering software within crypto projects or remote-first engineering organizations.
• Proven ability to design distributed systems with security and reliability as foundational engineering principles.
• Built or maintained backend systems that operate in production with a focus on resiliency and operational excellence.
• Experience collaborating in engineering design discussions and contributing to technical decision-making.

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

Go

Rust

TypeScript

Distributed systems

Security principles

Production deployments

Tools

AWS

Docker

Job description

Chainlink Labs is seeking a Senior Software Engineer to design and maintain services that coordinate fast, fault-tolerant cross-chain transactions. You will strengthen reliability, security, and operational resilience of the CCIP protocol while accelerating performance and ecosystem growth.

Qualifications include backend engineering experience with Go, Rust, or TypeScript, and a track record in crypto projects or remote work environments.