Remote Senior Backend Engineer, Cross-Chain DeFi

The Bitcoin Street Journal; New York, Northern (NY, KY); Hybrid; USD 150,000 - 230,000; Full time

Job summary

Chainlink Labs in New York is seeking a Senior Software Engineer to design and maintain services that coordinate fast, fault-tolerant cross-chain transactions under adversarial conditions. You will strengthen the reliability, security, and operational resilience of the CCIP protocol while helping accelerate protocol performance and long-term ecosystem growth.

Your impact includes building backend services, improving RPC usage, reducing latency, and developing internal tooling for incident

Qualifications

• Backend engineering experience using Go, Rust, or TypeScript.
• Experience delivering crypto projects or remote-first teams.
• Design distributed systems with security and reliability at the core.
• Production-grade backend systems with resiliency.

Responsibilities

• Build and evolve backend services powering cross-chain message execution.
• Improve protocol reliability for EVM chains with secure systems.
• Reduce cross-chain latency via RPC and performance optimizations.
• Develop tooling for faster incident diagnosis and resolution.
• Contribute to protocol security initiatives for adversarial resilience.
• Participate in architecture and long-term scalability discussions.

Skills

Go/Rust/TS

Backend engineering

Distributed systems

Security

Tools

Go

Rust

TypeScript

Cloud infrastructure

Containerization

Job description

Chainlink Labs in New York is seeking a Senior Software Engineer to design and maintain services that coordinate fast, fault-tolerant cross-chain transactions under adversarial conditions. You will strengthen the reliability, security, and operational resilience of the CCIP protocol while helping accelerate protocol performance and long-term ecosystem growth.

Your impact includes building backend services, improving RPC usage, reducing latency, and developing internal tooling for incident