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# Sr. Software Engineer, Search Infrastructure

- **Company:** X Corp.
- **Location:** Palo Alto, CA, United States
- **Experience:** Expert
- **Salary:** $150,000
- **Contract:** Permanent contract
- **Skills:** C++ (Programming Language), Apache Lucene, Database Storage Structures, Software Debugging, File Systems, Distributed Systems, Elasticsearch, Java Virtual Machine (JVM), Open Source Technology, Performance Tuning, Indexer, Backend, Build Management, Data Pipelines
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25196_bc5b428e17e0d83ddf8528a09beb9a74

## About the Role

* 5+ years developing large-scale infrastructure, distributed systems or experience with storage or hardware architecture
 * Experience with high performance Rust, C++ or JVM-based languages
 * Experience with operating system internals, filesystems, networking, or database storage engines, * Hands-on experience with search and indexing technologies (Elasticsearch, Lucene, or similar) and an understanding of how they work and why
 * Obsessed performance, reliability, scalability and quality
 * Ability to take full ownership of problems and learn whatever is needed to solve them
 * Comfortable moving quickly in a fast-paced environment with shifting priorities and tight deadlines
 * Contributions to open-source search or infrastructure projects

## Description

As a senior backend engineer, you'll design and build scalable, high-performance systems that power subscriptions infrastructure, new monetized products, user growth, and creator monetization. You'll work on mission-critical infrastructure that processes millions of transactions, optimizes user acquisition and retention, and enables creators to earn a living through their content. This is a unique opportunity to make a large-scale revenue impact while creating products that users and businesses love., * Design and build large scale search infrastructure (real-time indexing, serving, and data pipelines) that handles massive write and query loads with strict latency and reliability requirements

 * Go deep into search internals (indexing, query execution, and relevance) and help shape the technical direction of the core search infrastructure
 * Operate production services end to end, including monitoring, debugging, incident response, and performance optimization
 * Lead and drive incident responses and recovery with your peers. Review and contribute to incident postmortems and hold a high bar for the same