Big Data Engineer (SME / Expert)

Job Description

Janus Soft is seeking an elite Senior Big Data Java Engineer to design, scale, and optimize high-performance search and big data solutions for mission-critical Intelligence Community systems. In this high-impact role, you will leverage deep core Java back-end engineering skills to build resilient production code, architect enterprise search pipelines using Solr or Elasticsearch, and process massive datasets across distributed big data frameworks. Working alongside a team of top-tier engineers, you will directly influence query optimization, data indexing, and backend data processing to solve complex data challenges supporting national security objectives.

Mandatory Skills

• Security Clearance: Active TS/SCI with Full Scope Polygraph (FSP).

• Education: Bachelor’s degree in Computer Science or an equivalent technical field.

• Core Back-End Java Development (5+ Years): Hands-on experience developing back-end Java code (excluding JavaScript and standalone Spring Boot frameworks) in environments requiring rigorous code reviews, unit testing, integration testing, and deployment to production.

• Search Engine Architecture (3+ Years): Intermediate to Expert experience with Solr or Elasticsearch, including:

  • Performing schema updates and management.

  • Constructing and optimizing complex Lucene queries.

  • In-depth understanding of Solr/Elastic shard mechanisms and operational behavior.

  • Tuning search engine clusters for performance, throughput, and query optimization.

• Big Data Ecosystem (3+ Years): Hands-on experience operating within big data environments utilizing frameworks such as Hadoop, PySpark, Spark, and HBase (experience with at least two is preferred).

Why Should you Join Janus Soft ?