Java API Developer

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. Mission Focus: 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. Clearance: Active TS/SCI with CI Poly clearance required Location/Flexibility: Local to the DC Metro Area, Remote Flexible Responsibilities As a Mid-Level Java Developer, you will be responsible for designing, developing, and maintaining software applications, with a focus on data integration and backend services. Software Development: Create maintainable, adaptable, and scalable code using software development best practices (e.g., software reuse, refactoring, continuous integration, test automation, TDD, static code analysis, and peer/code review). Data Integration & ETL: Provide Java coding in support of extract, transform, and load (ETL) processes. Create and maintain scripts, stored procedures, and other logic to create, update, and delete data. API Development: Develop RESTful APIs and microservices to enable secure and efficient system communication and synchronize business data between multiple endpoints. Data Ingest: Configure and manage data ingest components in a cloud platform, such as Apache Kafka, NiFi, FTP, or an API gateway. Database Management: Design and implement schema changes, manage indexes, and alter data objects to optimize performance. Utilize SQL (e.g., SAP/Sybase, PostgreSQL, MySQL) and NoSQL databases for data storage and retrieval. Stakeholder Collaboration: Communicate with data owners and conduct research/analysis on data sets to prepare ingest strategies based upon data structure, size, frequency, and other sharing requirements. Team Collaboration: Work closely with frontend developers, product managers, and QA teams in an Agile environment to define requirements and ensure seamless integration and functionality. Qualifications Education/Experience: Bachelor’s degree in a related field and 2–5 years of relevant experience using Java, JavaScript, or other languages for the creation of API-based software. Clearance: Active TS/SCI with CI Poly clearance required. Technical Skills: Proficiency in Java, with experience in frameworks such as Spring Boot. Experience with JavaScript. Strong understanding of API architectural styles (REST, GraphQL, SOAP) and tools (e.g., Postman, Swagger UI). Experience with data integration, including ETL processes and data ingest tools (e.g., Apache Kafka, NiFi). Experience with SQL (e.g., SAP/Sybase) and NoSQL databases. Familiarity with version control systems (e.g., Git). Knowledge of Agile/Scrum development methodologies and software development best practices (TDD, CI/CD). Experience with cloud platforms (AWS, Azure, GCP). Familiarity with containerization technologies (e.g., Docker, Kubernetes). Physical Requirements: Prolonged periods of sitting at a desk and working on a computer Must be able to lift 10-15 pounds at times. About NT Concepts Founded in 1998 and headquartered in the Washington DC Metro area, NT Concepts is a private, mid-tier company with clients spanning the Intelligence and Defense communities. We deliver end-to-end ​data and technology solutions ​that advance the modernization, transformation, and automation of the national security mission—solutions with real impact developed in a strong engineering culture that encourages technical growth, leadership, and creative “big idea” problem-solving. Employees are the core of NT Concepts. We understand that world-changing concepts happen in collaborative environments. We are a company where talented teams work together using innovation and expertise to solve our clients’ most critical challenges. Here, you’ll gain competitive benefits , opportunities to bolster your skills and develop new abilities, and a company culture dedicated to support and service. In addition to our benefits program, we encourage our employees to take part in #NTC_GivesBack , which paves the way for positive social change. If joining a stable company with strong professional growth opportunities resonates with you, and you seek vital, mission-driven projects (for some pretty cool clients) that use your specific talents, we’d love to have you move forward with us.