Senior Backend Engineer - Recommendation Systems (Contractor)

Join OPPO US Research Center’s core team to develop and optimize backend services for high-traffic products, including recommendation and search systems, with a focus on low latency and high availability.

Requirements

• BS or MS in Computer Science or a related field
• 4+ years building backend systems in Java (Spring / Spring Boot)
• Solid knowledge of multithreading, caching strategies, and distributed systems
• Hands-on with Redis, Elasticsearch, and Kafka
• Good communication, problem solving and teamwork skills