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Join Circle as a Software Engineer II - Blockchain to build core infrastructure connecting products to blockchain networks. Develop multi-chain transaction capabilities and enhance blockchain functionality across Circle's platform.
Circle (NYSE: CRCL) is one of the world’s leading internet financial platform companies, building the foundation of a more open, global economy through digital assets, payment applications, and programmable blockchain infrastructure. Circle’s platform includes the world’s largest regulated stablecoin network anchored by USDC, Circle Payments Network for global money movement, and Arc, an enterprise-grade blockchain designed to become the Economic OS for the internet. Enterprises, financial institutions, and developers use Circle to power trusted, internet-scale financial innovation. Circle is committed to visibility and stability in everything we do, expanding into some of the world's strongest jurisdictions. Speed and efficiency are motivators for success and employees live by company values: High Integrity, Future Forward, Multistakeholder, Mindful, and Driven by Excellence. Circle has built a flexible work environment where new ideas are encouraged and everyone is a stakeholder.
- Develop and operate the shared platform that powers multi-chain transaction construction, account access, indexing, and transaction notifications.
- Transform evolving blockchain technologies into secure, reliable, and reusable capabilities.
- Build and maintain backend services supporting Circle products across 40+ blockchain networks.
- Research and evaluate blockchain protocols and technologies to support reliable cross-chain solutions.
- Build well-tested, production-quality systems with a strong focus on correctness, security, observability, and reliability.
- Monitor and continuously improve the availability, latency, scalability, and performance of blockchain infrastructure.
- Bachelor’s degree in Computer Science or a closely related field, or equivalent practical experience.
- 0-4+ years of backend software development experience, ideally using Golang or a similar programming language.
- Understanding of RESTful API design and development principles and experience working with SQL databases and schema design.
- Experience with cloud services such as AWS, Google Cloud, or Microsoft Azure, as well as Kubernetes and Docker.
- Strong focus on correctness, security, testing, observability, and reliability when developing production-quality software.
- Written and verbal communication skills in English and Mandarin Chinese.
- Experience designing and deploying scalable, production-quality software and supporting systems in production environments.
- Understanding of blockchain fundamentals and an interest in learning new protocols and tools.
- Experience with Solidity, Rust, or Move for smart contract or blockchain development.
- Experience using AI tools for coding, testing, and troubleshooting.
- Experience collaborating effectively with globally distributed teams.