Opensearch Backend Engineer

Job Summary

We are seeking a skilled OpenSearch Backend Engineer to design, manage, and maintain our highly available OpenSearch clusters. This role will ensure the stability, scalability, and performance of our search and analytics infrastructure, which is mission-critical to the company's data and application ecosystem.

Job Responsibilities

• Design, build, and maintain eBay's OpenSearch clusters to ensure high availability, scalability, and stability.

• Develop and implement ecosystem tools that provide self-service capabilities and automation, improving efficiency for both administrators and customer teams.

• Proactively troubleshoot and resolve complex issues in large-scale, high-traffic OpenSearch clusters to ensure optimal performance and reliability.

• Estimate engineering efforts, plan implementations, and rollout system changes.

• Develop industry and product technical expertise.

• Proactively participate in maintaining team standards and best practices

  Job Requirements

• BS, MS, or PhD in Computer Science or related technical discipline (or equivalent).

• 5+ years work experience in Java software development area with at least 2+ years experience in OpenSearch/ElasticSearch

• Deep understanding of computer science fundamentals, data structures, and algorithms.

• Excellent problem-solving skills, good at triaging and resolving critical tech issues without supervision.

• Expertise required in object-oriented design methodology and application development in Java

• Hands-on experience with ELKB (Elasticsearch, Logstash, Kibana and Beats) technical stack (or OpenSearch stack).

• Understanding of Elasticsearch/OpenSearch cluster architecture, sharding, indexing, replication, and query optimization.

• Demonstrated proficiency building production-grade software with AI coding agents, improving engineering velocity while maintaining high standards for quality, availability, and maintainability.

• Ability to decompose problems and provide agents with the right context, specifications, constraints, and validation criteria

• Ability to capture and express business, architecture, codebase, and operational knowledge so AI coding agents can execute complex tasks accurately and autonomously.

• Hands-on experience delivering complex, production-quality software using AI coding tools such as Claude Code, Codex, etc.

• Experience with ElasticSearch/OpenSearch core or Lucene is a plus.

• Skills in React and NodeJS will be a big plus.

• Proven result-oriented individual with delivery focus in a high velocity, high quality environment.

• Strong communication skills in oral and written English.

• Working experience in a multi-national company is a plus.

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.