Web Engineer/Consultant

Full Stack Java Engineer / Consultant

Location: Onsite – Springfield, VA (5 days/week in secure client environment) Start Date: September 28 Duration: Permanent Compensation Range: $230,000/year + 5–10% variable bonus
Job Description: Seeking a hands-on Full Stack Java Engineer to build the application layer of a secure, enterprise data platform. This individual will own development across the database, backend/middleware, APIs, and user-facing application while working directly with client stakeholders to translate mission requirements into production solutions. This is a highly autonomous role requiring strong Java/Spring development, enterprise database expertise, secure authentication, and containerized deployment experience.
Day-to-Day Responsibilities:
Build full-stack enterprise applications using Java, Spring/Spring Boot, and modern frontend technologies
Develop user-facing applications that allow analysts to access and interact with enterprise data
Build middleware, REST APIs, and integrations connecting frontend applications to backend data platforms
Work with enterprise databases using SQL, stored procedures, schemas, and complex data models
Develop UI components based on business and technical requirements, including navigation, accessibility, and responsive interactions
Translate client requirements into technical designs and independently take solutions from concept through production
Implement authentication, authorization, PKI/certificate-based security, RBAC, and identity integrations
Deploy and support containerized applications using Docker and OpenShift/RHEL
Execute builds, testing, environment validation, releases, and rollback procedures within a secure, air-gapped environment
Troubleshoot application, database, authentication, and deployment issues independently
Support data-driven and predictive intelligence use cases, including analytics and streamlined analyst workflows
Collaborate directly with client stakeholders, architects, and cloud engineering teams
Demonstrate solutions, explain technical decisions, gather feedback, and iterate based on client needs
Maintain secure, reliable, and well-documented solutions in accordance with DevSecOps practices
Requirements:
Must-Haves:

Active TS/SCI clearance with CI Polygraph
4–5+ years of hands-on enterprise software development experience
Strong Java development experience
Strong Spring/Spring Boot experience
Full-stack development experience spanning database, backend, APIs, and frontend/UI
Enterprise database experience with SAP HANA or comparable platforms
Strong SQL experience, including stored procedures and data querying/manipulation
Experience building middleware and REST APIs
Frontend development experience with HTML5, CSS3, JavaScript, and a modern framework
Docker and OpenShift/RHEL deployment experience
Experience with PKI/certificate-based authentication, including X.509 and/or mTLS
Experience implementing authentication, authorization, identity integrations, and role-based access
Experience building, testing, deploying, and troubleshooting production applications
Ability to independently translate business requirements into technical solutions
Strong client-facing communication and consulting skills
U.S. Citizenship required; no dual citizenship

Nice-to-Haves:

Direct SAP HANA development experience
Government or defense program experience
Experience working within classified, air-gapped, or highly regulated environments
AWS/cloud application development experience
Image processing experience using OpenCV or similar technologies
ETL/data pipeline experience with NiFi, KNIME, Airflow, or Talend
Predictive analytics, machine learning, NLP, or spatial data experience