×
Register Here to Apply for Jobs or Post Jobs. X

Senior Software Engineer; React​/GraphQL​/React Relay Security Clearance

Job in Chantilly, Fairfax County, Virginia, 20151, USA
Listing for: Network Designs, Inc.
Part Time position
Listed on 2026-02-27
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer
Job Description & How to Apply Below
Position: Senior Software Engineer (React / GraphQL / React Relay) with Security Clearance
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:

As a Senior Software Engineer, you will be integral to the design, development, testing, and management of application development projects in support of the IT infrastructure. You will leverage your expertise to develop and implement technical efforts to design, build, and deploy applications at the direction of lead architects. This includes large-scale data processing, computationally intensive statistical modeling, and advanced analytics to support a forensic and investigative ecosystem.

Requirements: U.S. Citizenship is required
Must possess an active TS clearance at the time of application, be willing and able to obtain SCI access, and pass a CI polygraph.
This position is onsite 5/days a week in Chantilly, VA Qualifications and

Experience:

Bachelor's degree in Computer Science, Software Engineering, or related field.
Minimum of 8 years of experience in software engineering with a strong focus on React and Graph

QL.

Experience with SAFe Agile framework.
Strong understanding of forensic and investigative system requirements.
Demonstrated experience designing and implementing complex software solutions in secure government environments.
Advanced proficiency with Python, including its libraries and frameworks.
Advanced Technical skill and experience:

Experience with Redis caching.

Experience with message brokers such as Rabbit

MQ.

Experience with React and specifically with React Relay.
Data platforms like Elasticsearch and Splunk.
Containerization and orchestration technologies (Docker, Kubernetes).
Cloud platforms (AWS Gov Cloud, SC2S, C2S).
Dev Sec Ops  practices and tools.
Performance optimization and scalability design.
Security engineering principles.

Experience with frontend frameworks (Angular, React, Svelte).
Graph

QL.
Microservices architecture.
SAFe Agile methodologies.
Working in classified environments. Responsibilities:
Integrate third-party UI libraries and introduce new custom frontend capabilities using React, React Relay, and Graph

QL, with Python used as an additional requirement for ETL and data processing workflows.
Enhance and refactor existing React components and Graph

QL/Relay data-fetching logic, recommending improvements to state management, performance, and component architecture; leverage Python where needed for backend ETL support.
Automate and streamline frontend data interactions and application workflows through Graph

QL schemas, Relay queries and mutations, and build-time tooling, with supporting Python-based ETL pipelines for data ingestion and transformation.
Participate in all aspects of the software development life cycle.
Contribute to planning, requirements gathering, development, testing, and quality assurance.
Participate in technical project milestone reviews and code architecture sessions.
Provide resource estimation and development best practices knowledge transfer.
Participate in Program Increments (PIs) and Agile Release Train (ART) activities.
Support the multi-enclave environment (Unclassified, Secret, and Top Secret)
Collaborate with cross-functional teams to ensure seamless integration. 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…
Position Requirements
10+ Years work experience
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)

Job Posting Language
Employment Category
Education (minimum level)
Filters
Education Level
Experience Level (years)
Posted in last:
Salary