Innopeaktech

Innopeaktech

Senior Backend Engineer - Recommendation Systems (Contractor)

Palo Alto, California, United States · Senior · Contract

Sponsorship not specified$60k-$120kDetected 282 days ago
JavaSpringBackend DevelopmentRedisElasticsearchSite Reliability EngineeringData EngineeringResearchCommunicationProblem Solving

About the role

  • Hands-on with Redis, Elasticsearch, and Kafka.

Responsibilities

  • Design and implement backend services for recommendation and search with a focus on 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.
  • Join OPPO US Research Center's core team to develop and optimize backend services for high-traffic products (App Store, Global Search, Game Center).
  • You'll build scalable, reliable systems that serve millions of daily users.

Requirements

  • Solid knowledge of multithreading, caching strategies, and distributed systems.

Nice to have

  • Experience in recommender or search system backends.
  • Experience operating high-traffic, high-concurrency services.
  • OPPO is proud to be an equal opportunity workplace.
  • We also consider qualified applicants regardless of criminal histories, consistent with legal requirements.

Skills

  • Good communication, problem solving and teamwork skills.

Compensation

  • $60k-$120k

Visa & Work Authorization

  • al employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status

This listing is sourced directly from Innopeaktech's careers page and normalized into a canonical job model.