Java Back end engineer - RemoteLorven technologies • San Francisco, CA, United States

Java Back end engineer - Remote

Lorven technologies • San Francisco, CA, United States

1 day ago

Job type

Full-time

Remote

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Job description

I hope you are doing well,

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 GitHub 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 PagerDuty

Platform Health & Maintenance

Cleanup of :

Old and deprecated code

Retired experiments

Deprecated trebuchets and legacy components

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Java Back end engineer Remote • San Francisco, CA, United States

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