Java Back end engineer - Remote

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Please share your updated profile if you are interested in the below role.


Our client seeks an Java Back End Engineer for a 12 Months project in Remote .Below is the detailed requirement


Job Title: Java Back End Engineer


Work location : Remote


Duration: 12 Months


Job Description:

• Bachelor's degree preferably in Computer Science, Information technology, Computer Engineering, or related IT discipline or equivalent experience with 7+ Minimum Experience

• 7+ years of hands-on experience in a professional software engineering role

• Proficiency in Java, Scala, and Python (at least one required; others preferred)
• Strong experience with test-driven development , including unit and integration testing
• Experience with code deployments and CI/CD pipelines (e.g., Spinnaker or similar tools)

• Proficiency with databases and storage technologies such as:
  • TiDB, RocksDB, MySQL
  • Redis, Memcached
  • Key-value stores

• Solid understanding of Thrift and Protobuf schemas
• Experience building, maintaining, and evolving APIs
• Experience with web server and backend service development

• Working knowledge of latency, throughput, and system performance
• Experience with load balancing and load testing
• Hands-on experience running performance tests and optimizing code to improve efficiency and scalability

• Experience with data-centric application development
• Experience working with SQL, Hive, Presto/Trino, and Spark
• Familiarity with AI coding assistants such as Claude Code and GitHub Copilot

• Offline counterfactual scoring - support pipeline migration
• Search simulator - support pipeline migration
• Offline interaction detection - support pipeline migration

• Kendall :
  • Incorporate user-facing metrics and features for new products (e.g., Hawaii tips, filters, personalization, AI Search)
  • Support evaluation performance optimization
• Debug tooling for personalization and AI Search , including ranking and explanation systems

• Holdout :
  • Implement comprehensive monitoring for traffic and models
• Side-by-side (SxS) metrics cleanup and UX improvements to improve developer velocity
  • Example: cleaning up messy p2 carousel metrics
  • Improving filter ranking visibility (amenity IDs vs amenity names)
• Set up alerting for new and existing applications using Grafana and PagerDuty

• Cleanup of:
  • Old and deprecated code
  • Retired experiments
  • Deprecated trebuchets and legacy components