Software Engineer

Job Description

WarCollar Industries is seeking an experienced Search Software Engineer to support mission-critical national security programs. This role is ideal for engineers with deep expertise in Java development, enterprise search technologies, and big data platforms who thrive in high-impact, production environments.

Key Responsibilities

• Design, develop, and maintain scalable Java-based backend applications supporting mission operations.
• Configure, optimize, and troubleshoot Solr and/or Elasticsearch environments for high-performance search capabilities.
• Perform schema updates and implement search enhancements.
• Develop and optimize complex Lucene queries to improve search accuracy and efficiency.
• Manage and tune Solr/Elasticsearch shards for scalability, resilience, and performance.
• Develop solutions within large-scale data environments using technologies such as Hadoop, Spark, PySpark, and HBase.
• Participate in code reviews, unit testing, integration testing, and deployment of production-ready software.
• Collaborate with engineers, analysts, and mission stakeholders to deliver innovative technical solutions.

Required Skills

• 3+ years of intermediate to expert-level experience with Solr or Elasticsearch, including:

• Schema design and updates
• Advanced Lucene query development
• Sharding architecture and optimization
• Performance tuning and query optimization
• 3+ years of experience working in big data environments utilizing technologies such as Hadoop, Spark, PySpark, and/or HBase (experience with at least two preferred).
• 5+ years of hands-on backend Java development experience (JavaScript and Spring Boot experience alone does not satisfy this requirement).
• Demonstrated experience developing production software through code reviews, unit testing, integration testing, and deployment.
• Bachelor's degree in Computer Science or a related technical field (or equivalent experience, if applicable).
• TS/SCI Full Scope Polygraph requred