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
  Required Experience

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

Programming & Engineering Practices

• 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)
  Backend Systems & Data Stores

• Proficiency with databases and storage technologies such as:

• TiDB, RocksDB, MySQL

• Redis, Memcached

• Key-value stores

APIs & Service Development

• Solid understanding of Thrift and Protobuf schemas

• Experience building, maintaining, and evolving APIs

• Experience with web server and backend service development
  Performance & Reliability

• 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
  Nice to Have

• 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 Git

Hub Copilot
Example Projects & Areas of Impact

Pipeline Migration & Offline Systems

• Offline counterfactual scoring - support pipeline migration

• Search simulator - support pipeline migration

• Offline interaction detection - support pipeline migration
  Search, Personalization & AI Systems

• 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
  Monitoring, Metrics & Developer Experience

• 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 Pager

Duty
Platform Health & Maintenance

• Cleanup of:

• Old and deprecated code

• Retired experiments

• Deprecated trebuchets and legacy components