Senior Backend Engineer: Scalable, Low-Latency Services

OPPO; Palo Alto (CA); On-site; USD 82,656 - 165,312; Full time

Job summary

OPPO US Research Center is seeking an experienced backend engineer to design and optimize backend services for high-traffic applications such as the App Store, Global Search, and Game Center. You will build scalable, reliable systems that serve millions of daily users.

The role focuses on Java-based services (Spring / Spring Boot), multi-level caching, and data pipelines with Redis, Elasticsearch, and Kafka.

Qualifications

• 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.

Responsibilities

• Design and implement backend services for recommendation and search with low latency and high availability.
• Implement multi-level caching and optimize data access patterns.
• Build, monitor and tune data pipelines and indices using Redis, Elasticsearch, and Kafka.
• Develop production-quality Java services using Spring / Spring Boot and collaborate on deployments and incident response.
• Work cross-functionally with MLE, product, SRE, and data teams to deliver features and improvements.

Skills

Java

Spring Boot

Distributed systems

Caching

Redis

Elasticsearch

Kafka

Multithreading

Teamwork

Communication

Education

BS/MS in CS

Job description

OPPO US Research Center is seeking an experienced backend engineer to design and optimize backend services for high-traffic applications such as the App Store, Global Search, and Game Center. You will build scalable, reliable systems that serve millions of daily users.

The role focuses on Java-based services (Spring / Spring Boot), multi-level caching, and data pipelines with Redis, Elasticsearch, and Kafka.