An SAP Developer designs, programs, documents and tests SAP applications that support business intelligence for a company using a SAP developed programming language. May work within financial software installations, customer management solutions or general business applications.
Job Requirements Springfield, VA Top Secret/SCI CI Polygraph Mid Level Career (5+ yrs experience) $107,300 - $230,600 Job Description SAP is the global market leader for business software and related services. SAP National Security Services Inc.® (SAP NS2®) is an independent U.S. subsidiary of SAP. At SAP NS2, we leverage best-in-breed technologies engineered by SAP to protect the lives, assets, and information of Americans. We offer SAP solutions with specialized levels of security and support to meet the requirements of U.S. national security and critical infrastructure customers. This position requires access to customer data. Must be a U.S. citizen; SAP NS2 does not offer Visa sponsorships for this role. All internals must have manager's approval to transfer. Location - Onsite in Springfield, VA Top Secret, CI Polygraph required. Program Overview The system runs on an
SAP HANA
database persistence cluster layer, a SAP CAP Node.js / Express middleware layer containerized via Docker and deployed to Red Hat OpenShift on RHEL infrastructure, and a browser-based UI for interactive analysis with API maintenance support. Enterprise PKI certificate integration is required for secure communications across all tiers. Data ingestion and management across the tiers will also be required. Role Summary We are seeking a mid-level full stack developer who can independently build, deploy, and support a production-grade monitoring application across the full technology stack. The ideal candidate is comfortable working across the database, server, and front-end tiers with minimal supervision, and has hands-on experience with SAP HANA or equivalent enterprise database platforms. This role requires strong problem-solving ability, a security-first mindset, and the capacity to translate scientific data requirements into working software. Key Responsibilities Node.js / Express Middleware Development Build and maintain RESTful API endpoints on Express.js for CRUD operations, ETL image ingest, and analytics retrieval Implement service layer patterns within the Node.js middleware for
SAP HANA
connectivity Develop image processing pipelines using OpenCV (opencv-wasm) and
PNG/JPEG
decoding libraries Containerize the application using Docker for deployment to Red Hat OpenShift Implement server-side error handling, structured logging, and health-check endpoints Write and maintain automated tests for API endpoints and data processing functions Front-End UI Development Build an interactive browser-based UI for image comparison, side-by-side viewing, and change-event overlay display Implement location browsing, image series selection, and raster visualization interfaces Develop auto-alignment and landmark detection visualization tools integrated with backend APIs Ensure responsive design across desktop and tablet form factors Implement client-side authentication flows and session management Enterprise PKI / Certificate Integration Integrate
X.509 PKI
certificates for mutual TLS (mTLS) authentication between application tiers Configure certificate-based authentication for
SAP HANA
on-premise connections and service bindings Implement certificate rotation procedures and expiration monitoring Support CAC/PIV smart card authentication workflows where required by the operating environment Troubleshoot TLS handshake failures, certificate chain issues, and trust store configuration across Node.js, Docker, and RHEL/OpenShift environments DevOps & Deployment Support Maintain Docker build configurations and container image pipelines on OpenShift Container Registry Support deployment automation scripts (PowerShell/Bash) for OpenShift and static hosting Administer and maintain Red Hat Enterprise Linux (RHEL) application servers Monitor application health and implement alerting within the OpenShift platform Manage environment configuration, secrets, and deployment workflows across dev/staging/production.
SAP HANA
Database Integration Develop and maintain
SAP HANA
stored procedures for data ingest, feature extraction, analytics pipelines, and change scoring functions Design and optimize table schemas for vector storage, image metadata, location records, and computed analytics Implement connection pooling via the
SAP HANA
client driver with secure credential management Write and tune SQL queries and SQLScript procedures for high-volume image data processing Support data migration, schema versioning, and production database maintenance Required Qualifications 3-5 years of professional software development experience Proficiency in JavaScript/Node.js with Express.js framework Working experience with
SAP HANA
(on-premise) or comparable enterprise database platforms. Experience writing SQL and stored procedures for data transformation and analytics Front-end development skills (HTML5, CSS3, vanilla JS or a modern framework such as React/Vue) Hands-on experience with Docker containerization and container registries Understanding of PKI concepts: X.509 certificates, certificate chains, TLS/mTLS, trust stores Experience with Red Hat Enterprise Linux (RHEL) system administration and OpenShift container platform Familiarity with RESTful API design and implementation Strong troubleshooting and debugging skills across the full stack Version control proficiency with Git and GitHub-based workflows Preferred Qualifications Direct experience with
SAP HANA
on-premise and SQLScript stored procedure development Experience with SAP HANA or other database development environments. Image processing experience (OpenCV, pixel analysis, raster manipulation) Experience with ETL pipeline tools (Apache NiFi, KNIME, Airflow, or Talend) Familiarity with vector similarity operations (cosine similarity, euclidean distance) for data comparison Experience implementing CAC/PIV smart card authentication in web applications OpenShift deployment automation (Operators, Helm charts, or scripted CI/CD pipelines) Prior work supporting government or defense programs RHEL system hardening, SELinux policy management, and
FIPS 140-2
compliance experience Experience with D3.js, Three.js or WebGL for data visualization Technology Stack Reference The following technologies comprise the current production environment: Database
SAP HANA
(on-premise), SQLScript, Stored Procedures, Scalar Functions Middleware Node.js, Express.js, SAP HANA client driver, OpenCV (WASM), pngjs Front End HTML5 Web Stack, SPA frameworks such as Vue, React or Angular, D3 / Three.js / WebGL for visualization Infrastructure Docker, Red Hat OpenShift, RHEL 8/9, OpenShift Container Registry Security Enterprise
