Note: The job is a remote job and is open to candidates in USA. Chainlink Labs is the industry-standard oracle platform bringing the capital markets onchain and powering the majority of decentralized finance (DeFi). They are seeking a Software Engineer to design and maintain services for cross-chain transactions, focusing on reliability, security, and performance of the CCIP protocol.

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

• 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
• Demonstrated knowledge of DeFi protocols and the broader decentralized application ecosystem
• Experience deploying or operating services using cloud infrastructure and tooling such as containerized workloads and public cloud platforms
• Hands-on experience using blockchain bridges or interoperability protocols
• Understanding of bridge-specific security risks and common attack vectors
• Familiarity with non-EVM ecosystems such as Solana, Aptos, Canton, or similar blockchain platforms

Company Overview