Backend Engineer
Remote • Posted 6 hours ago • Updated 6 hours ago

Fynbosys Inc
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Job Details
Skills
- OpenAI
- GEN AI
Summary
- 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
- Dice Id: 10494738
- Position Id: 8889290
- Posted 6 hours ago
Company Info
About Fynbosys Inc
Fynbosys is a leading software & services company in California, and is headquartered in Sacramento. Our company's philosophy is to Develop the Future and we are known for anticipating and responding rapidly to our customer's present and future needs. Fynbosys is a software development company and we develop software solutions along with applications and management solutions, as well as support, training, and consulting services to customers
Our complete spectrum of professional management and engineering services ensures the successful definition, execution, and completion of mission-critical programs. We bring the requisite subject matter expertise to support our customers with their systems, software engineering, sales management system, document imaging and digitization system and training needs.
We are your industries partner, we know your business, and it's our business to help you succeed at yours. For the past few years, we've been doing just this and as a result, we've built enduring relationships with all our Clients.


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