Java API Developer. Herndon LilyLifestyle

Mid-Level API Java Developer

Herndon, VA

We are seeking a Mid-level API Java Developer to join our team. Working at NT Concepts means that you are part of an innovative, agile company dedicated to solving the most critical challenges in National Security. We’re looking for the best and the brightest to join us in supporting this mission. If meaningful work, initiative, creativity, and continuous self‑improvement are important to your career, join our growing team and discover What’s Next for you.

As a member of our solutions delivery team, you will have the unique opportunity to work on programs advancing the most critical government systems. NT Concepts is seeking an experienced API Java/Python Developer, Mid for an exciting data transformation opportunity within our Intel Community.

Active TS/SCI with CI Poly clearance required.

Local to the DC Metro Area, Remote Flexible.

• Design, develop, and maintain software applications focused on data integration and backend services.
• Create maintainable, adaptable, and scalable code using software development best practices (software reuse, refactoring, continuous integration, test automation, TDD, static code analysis, peer/code review).
• Provide Java coding support for extract, transform, load (ETL) processes, creating and maintaining scripts, stored procedures, and necessary logic.
• Develop RESTful APIs and microservices to enable secure, efficient system communication and synchronize business data across endpoints.
• Configure and manage data ingest components in cloud platforms, such as Apache Kafka, NiFi, FTP, or an API gateway.
• Design and implement schema changes, manage indexes, and optimize performance for SQL (SAP/Sybase, Postgre
  
  SQL, MySQL) and No
  
  SQL databases.
• Communicate with data owners; conduct research and analysis on data sets to prepare ingest strategies based on structure, size, frequency, and sharing requirements.
• Collaborate with frontend developers, product managers, and QA teams in an Agile environment to define requirements and ensure seamless integration and functionality.

• Bachelor’s degree in a related field and 2-5 years of relevant experience using Java, JavaScript, or other languages for API‑based software.
• Active TS/SCI with CI Poly clearance required.
• Proficiency in Java with experience in frameworks such as Spring Boot.
• Experience with JavaScript.
• Strong understanding of API architectural styles (REST, Graph
  
  QL, SOAP) and tools (Postman, Swagger UI).
• Experience with data integration, ETL processes, and tools such as Apache Kafka and NiFi.
• Experience with SQL (SAP/Sybase) and No
  
  SQL databases.
• Familiarity with version control systems (Git).
• Knowledge of Agile/Scrum development practices and software development best practices (TDD, CI/CD).
• Experience with cloud platforms (AWS, Azure, GCP).
• Familiarity with containerization technologies (Docker, Kubernetes).

• Prolonged periods of sitting at a desk and working on a computer.
• Must be able to lift 10‑15 pounds at times.