> Markdown version of [/jobs/ext/4029051-full-stack-application-modernization-developer-aws-react-ge](https://www.wearedevelopers.com/jobs/ext/4029051-full-stack-application-modernization-developer-aws-react-ge). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack / Application Modernization Developer (AWS, React, Ge - **Company:** D9tech Resources LLC - **Location:** Herndon, VA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Amazon Web Services, DevOps, Python (Programming Language), Node.Js, OpenID, Cloud Services, Security Assertion Markup Language (SAML), SAP (Applications), Secure Messaging, Software Engineering, TypeScript, Okta, ReactJS, Generative AI, Amazon Bedrock, Api Gateway, Serverless Computing - **Published:** October 30, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9277379/full-stack-application-modernization-developer-aws-react-ge ## About the Role 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, 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 ## Description 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., 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