About the role

Senior Software Engineer designing and operating core services for secure cross-chain transactions. Develop backend services to enhance reliability and performance in a decentralized finance context.

Responsibilities

Deliver backend services that coordinate fast, fault-tolerant cross-chain transactions across multiple blockchain ecosystems
Improve system reliability and resilience under adversarial conditions to strengthen protocol trust and uptime
Reduce transaction processing latency through optimizations in RPC usage and system performance
Enable seamless integration across EVM and non-EVM ecosystems, accelerating adoption of CCIP
Increase throughput to scale CCIP to support thousands of concurrent cross-chain transfers without degradation or backlog
Build internal systems that allow rapid debugging, replay, and resolution of failed transactions

Demonstrated strong backend engineering experience using Go, Rust, or TypeScript in production systems
Proven track record contributing to or building within crypto-native projects
Designed systems with security and reliability as foundational principles, particularly in adversarial or distributed environments
Built or operated backend systems that prioritize fault tolerance, consistency, and high availability
Demonstrated knowledge of DeFi protocols and ecosystem dynamics
Experience working with cloud infrastructure and containerized systems in production environments
Hands-on experience interacting with blockchain bridges or interoperability protocols
Understanding of security risks specific to cross-chain or bridge-based architectures
Familiarity working with non-EVM ecosystems such as Solana, Aptos, or similar
Experience debugging and operating distributed systems at scale

All roles with Chainlink Labs are global and remote-based.
We carefully review all applications and aim to provide a response to every candidate within two weeks after the job posting closes.
Commitment to Equal Opportunity