Full Stack / Application Modernization Developer (AWS, React, Ge

IMPORTANT: This position is 100% ON-SITE inside a SCIF. This is NOT remote work and NOT hybrid. On-site work is required and is not optional. This role is CUSTOMER-FACING, working directly with government and partner stakeholders, including at customer facilities as needed.

Employer: D9Tech Resources, LLC
Openings: Multiple openings (full-time and part-time)
Location: Herndon, VA (primary) or Washington, DC (preferred). Alternates: Seattle, WA or Denver, CO. Must live within commuting distance of one of these SCIF locations.
Employment type: W-2 Contract, Full Time and Part Time openings
Hours: 40 hours per week (full time) or 20 hours per week (part time), depending on opening
Period of performance: December 2026 through November 2027
Clearance: Active TS/SCI required
Pay: Competitive

Summary
D9Tech Resources, LLC is hiring in support of a national security cloud program. Build and modernize applications for classified AWS environments, from React front ends to serverless and container back ends with enterprise authentication, including generative AI capabilities. All work is performed on-site in a SCIF.

Responsibilities
- Build front ends in React and TypeScript
- Develop back ends in Python, Java or Node.js
- Build on Lambda, API Gateway, ECS and EKS
- Integrate authentication with Keycloak, SAML and OIDC
- Build new applications, such as secure messaging security bots using generative AI
- Modernize existing applications for AWS
- Support blue/green deployments with the LZA engineer

Required Qualifications
- Active TS/SCI clearance, eligible for SCI read-on/INDOC and SAP indoctrination where required
- Live within commuting distance of a SCIF in Herndon, VA, Washington, DC, Seattle, WA or Denver, CO
- Able and willing to work on-site in a SCIF on a regular basis, including at customer facilities
- 5+ years of full stack or professional software development, including 2+ years on AWS
- Hands-on experience with AWS cloud services
- Experience in air-gapped or classified environments with no public internet access and controlled change management (CCB)
- DoD 8140/8570 IAT Level II or higher certification (e.g., Security+, CISSP) where applicable

Preferred Qualifications
- Experience in AWS GovCloud and/or classified AWS regions (C2S/SC2S)
- AWS Certified Solutions Architect, DevOps Engineer, Advanced Networking or Security Specialty
- Generative AI (e.g., Amazon Bedrock) and secure messaging integration experience
- AWS Developer, DevOps or Solutions Architect certification
- Keycloak integration experience

Reminder: On-site in a SCIF, customer-facing. Remote and hybrid candidates will not be considered.

D9Tech Resources, LLC is an Equal Opportunity Employer.