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# Senior Application Developer - Foundational Services

- **Company:** Mount Indie
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Artificial Intelligence, Elasticsearch, JSON, PostgreSQL, MongoDB, Node.Js, OpenShift, Oracle (Applications), Redis, Microsoft SharePoint, Apache Solr, SQL Databases, TypeScript, Extensible Markup Language (XML), AngularJS, Gitlab-ci, Vba Programming Language, NestJS, Docker
- **Published:** September 4, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9145007/senior-application-developer-foundational-services

## About the Role

* Classification and need-to-know handling
 * Cross-domain transfer processes
 * Application troubleshooting
 * Server logs and console analysis

What You'll Bring

 * 10+ years of relevant professional experience
 * Bachelor's degree at minimum; a Master's degree is preferred
 * Node.js with TypeScript
 * SQL/PostgreSQL
 * Redis
 * Elasticsearch
 * Active TS/SCI with CI Poly is preferred. For the right candidate, an active TS/SCI without a CI Poly may be sufficient. Candidates with Poly credentials will be prioritized.
 * Experience with JSON, Java, JavaScript, SharePoint, XML, VBA, Oracle, MongoDB, Solr, and OpenAI/AI technologies is highly desired, A recent CI Poly is preferred, and an immediate start may be possible.

## Description

We're seeking a Senior Application Developer to serve as a Foundational Services SME supporting mission applications and foundational services for the DIA, while helping mentor mid-level developers. You'll work across the application stack, troubleshoot complex issues, and contribute to the foundational services that keep mission systems operating effectively.

What You'll Work With

 * TypeScript and Angular
 * Node.js, NestJS, and Express
 * Jest
 * MongoDB, PostgreSQL, Redis, and Elasticsearch
 * GitLab CI Pipelines
 * Docker and OpenShift


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