Principal Senior Software Engineer

About NDi

Network Designs, Inc. (NDi) is a leading Federal contractor that specializes in designing, developing, and delivering information technology and network solutions for government customers. Founded in 1985, NDi's firmly defined core values have driven all aspects of the business, which have been paramount to our company's success and the establishment of an enjoyable workplace atmosphere. At NDi, we believe that our people are the cornerstone of our success, and we value collaboration, career growth, and winning ideas. Military Veterans Encouraged to Apply.

Job Description

The Principal Senior Software Engineer serves as the lead technical expert for the Veteran Experience Services Eligibility and Enrollment (VESEE) 2.0 modernization effort. This role is responsible for architecting, designing, developing, and integrating the next-generation Veterans Health Administration (VHA) Enrollment System (ES)-the core platform enabling Veteran eligibility and enrollment across VA. The engineer will guide technical decisions, modernize legacy applications and ensure the system's scalability, security, and interoperability across enterprise VA systems. This role is essential to achieving the VA's vision of a seamless, reliable, and Veteran-centered enrollment experience.

Requirements

• U.S Citizenship required.
• Must be able to obtain and maintain a Public Trust clearance
• This position is remote but may require occasional onsite meetings in McLean, VA.
• You can be based out of following states: AZ, DC, FL, GA, OH, ME, MD, SC, TX, UT, VA, NC, OK, WV.

Qualifications And Experience

• Bachelor's degree in Computer Science, Information Systems, or related technical field (Master's preferred)
• Minimum of 10 years of experience in software engineering, with 5+ years in enterprise-scale system modernization or cloud-native application development.
• Proven experience leading technical modernization efforts within federal or highly regulated environments.
• Expertise in Agile/DevSecOps software delivery
• Strong problem-solving and analytical skills
• Ability to translate business requirements into secure, scalable technical solutions
• Team leadership and mentorship in a multi-scrum environment
• Commitment to software quality, test automation, and continuous improvement
• Deep understanding of modernization principles, legacy integration, and API management

Technical Expertise - Advanced Proficiency In

• Programming Languages & Frameworks: Java 17+, Spring Boot, Spring WebFlux, Streams API
• UI Frameworks: React, Next.js
• Messaging & Caching: Kafka, Redis
• Database Technologies: Oracle, SQL Server
• DevSecOps Tools: GitHub, Jenkins, Docker, Kubernetes
• Strong understanding of distributed system design, API-first architecture, and event-driven patterns.
• Experience with AWS GovCloud, container orchestration, API gateways, and microservices deployment strategies.
• Knowledge of security, identity, and compliance frameworks, including OAuth2, OpenID Connect, FedRAMP, FISMA, and NIST 800-53.

Preferred Certifications

• SAFe Agile Practitioner (or equivalent)
• AWS Certified Developer or Azure Developer Associate
• Oracle Certified Java Developer
• Security+ or CISSP (preferred for handling sensitive federal systems)

Responsibilities

Software Architecture & Design:

• Lead the technical design and development of modular, scalable, and cloud-native application.
• Architect and refactor existing components to integrate into the modernized ES ecosystem.
• Design and implement microservices, RESTful APIs, and data integrations using Spring Boot, Spring WebFlux, Kafka, Redis, and Oracle.
• Drive technical alignment with the VA One-VA Technical Reference Model (TRM), Zero Trust architecture, and DevSecOps practices.

Development & Implementation

• Serve as the technical authority for full-stack development across multiple product teams, ensuring consistency with enterprise standards.
• Implement secure, performant, and maintainable code in compliance with VA security, accessibility (Section 508), and privacy requirements.
• Employ automated testing, CI/CD pipelines, and Infrastructure as Code (IaC) for continuous delivery through GitHub, Jenkins, Kubernetes, and Docker.
• Integrate application telemetry and monitoring tools (e.g., Dynatrace, Splunk) for proactive issue detection and system optimization.

Collaboration & Technical Leadership

• Collaborate with VA OIT, Product Line Management (PLM), and architecture teams to ensure all designs meet enterprise policies and standards.
• Partner with the Chief DevSecOps Engineer, Release/Delivery Manager, and Quality Assurance Manager to ensure quality and traceability from requirements to release.
• Conduct code reviews, enforce software engineering standards, and mentor junior and mid-level developers.
• Participate in Agile ceremonies-including sprint planning, backlog refinement, and sprint reviews-contributing to release predictability and system reliability.

System Integration & Modernization

• Lead modernization of legacy MUMPS/VistA-based interfaces to communicate with the new ES through secure APIs.
• Develop strategies for migrating data and transactions from existing systems into the modern cloud-hosted ES, ensuring data integrity and compliance with FISMA and HIPAA standards.
• Collaborate with DevSecOps teams to enhance deployment automation and establish performance benchmarks that meet VA's Better, Safer, Faster (BSF) metrics.

Compensation And Benefits

At NDi, we value our team and are committed to retaining top talent by offering competitive benefits and compensation packages. Our employee benefits package includes comprehensive health, dental, vision, pet, and legal insurance. Our corporate benefits include 401(k) retirement matching, paid leave, paid holidays, and health and wellness programs. In addition, we provide employer-paid life and disability insurance, professional development, education benefits, and much more to ensure our team has the resources they need to thrive on and off the job.

Veterans First Commitment

As a Service-Disabled Veteran-Owned Small Business (SDVOSB), NDi is dedicated to hiring veterans and providing a supportive work environment that honors their service while recognizing the unique skills and experiences they bring to our organization.

Commitment To Diversity

NDi is an Equal Opportunity Employer. We are committed to creating a diverse environment and are proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran or military status, citizenship, national origin, or any other basis prohibited by law in all phases of the employment process and compliance with applicable federal, state, and local laws and regulations. As a federal government contractor, NDi complies with all applicable affirmative action requirements.

Apply Now

Take advantage of this unique opportunity to join one of the fastest-growing companies in Federal contracting!

Salary: $170000 - $190000 per year