DevOps Engineer - Contractor
Responsibilities:
1. Design and develop backend architecture for business systems, ensuring high availability, high performance, and scalability.
2. Perform service governance and performance tuning in high-concurrency scenarios to continuously improve system stability, throughput, and response efficiency.
3. Develop core services and business modules, including user systems, authentication, authorization, and open API capabilities.
4. Participate in microservices architecture design and implementation, promoting system modularization, service-orientation, and engineering excellence.
5. Troubleshoot production issues, analyze performance, and resolve complex technical problems.
6. Collaborate with product, frontend, QA, and cross-functional teams to ensure high-quality delivery of requirements.
7. Continuously optimize development processes, code quality, and technical solutions to improve maintainability and R&D efficiency.
Qualifications:
1. Bachelor's degree or above in Computer Science or a related field.
2. 3-5+ years of Java backend development experience with a solid technical foundation. Outstanding fresh graduates may also be considered.
3. Proficiency in Java core technologies, with a deep understanding of JVM, concurrency programming, collection frameworks, I/O, and network communication.
4. Familiarity with mainstream frameworks like Spring Boot and Spring Cloud, with experience in microservices development and governance.
5. Experience in developing high-performance, high-concurrency systems, with familiarity in caching, asynchronous processing, rate limiting, circuit breaking, and thread pools.
6. Proficiency in common middleware such as MySQL, Redis, Kafka, and Elasticsearch, with an understanding of their use cases and performance optimization methods.
7. Understanding of common distributed system issues and solutions, including idempotency, consistency, distributed locks, transaction processing, and service fault tolerance.
8. Strong analytical and problem-solving skills, capable of independently troubleshooting production issues and resolving complex problems.
9. Familiarity with authentication and authorization mechanisms, with experience designing and developing with OAuth2, JWT, SSO, RBAC, and Session.
10. Experience with Kubernetes, including containerized deployment, service orchestration, auto-scaling, and configuration management.
11. Experience with AWS cloud services is a plus.
12. Strong coding standards, documentation skills, and teamwork abilities.
About CoinMarketCap
CoinMarketCap is the world's most referenced price-tracking website for crypto assets in the rapidly expanding cryptocurrency space. Our mission is to make crypto discoverable and efficient globally by empowering retail users with unbiased, high-quality, and accurate information for drawing their own informed conclusions. We are at the forefront of the Web3 revolution, providing critical data infrastructure and insights that drive the decentralized economy forward. Our culture thrives on innovation, transparency, and a deep commitment to the blockchain ecosystem. We pride ourselves on a collaborative environment where bright minds can contribute to a platform used by millions worldwide. Working at CoinMarketCap means being part of a team that values data integrity, user empowerment, and continuous learning in a fast-paced, digital-first world. We foster an inclusive workplace where diverse perspectives fuel our collective success. If you're passionate about the future of finance, possess a deep understanding of blockchain technology, and are eager to make a tangible impact, CoinMarketCap offers an unparalleled opportunity. Join our Hong Kong-based team and contribute to shaping the narrative of cryptocurrencies, digital assets, and the decentralized web. We're building the future of crypto, one data point at a time – come build it with us.
Ready to Apply?
To submit your application for this position, please visit CoinMarketCap's official website and follow their application process.