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# Senior Application Developer - Full Stack

- **Company:** Mount Indie
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Salary:** $150,000.0 - $175,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Artificial Intelligence, Application Integration Architecture, Elasticsearch, JSON, PostgreSQL, MongoDB, Node.Js, Oracle (Applications), Redis, Microsoft SharePoint, Apache Solr, SQL Databases, TypeScript, Extensible Markup Language (XML), Enterprise Software Applications, AngularJS, Vba Programming Language, Front End Software Development, NestJS, Docker
- **Published:** August 29, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9124740/senior-application-developer-full-stack

## About the Role

* Experience with Node.js and TypeScript.
 * Experience with Angular.
 * Experience with SQL and/or PostgreSQL.
 * Experience with Redis.
 * Experience with Elasticsearch.
 * An active TS/SCI clearance is required.
 * A CI Polygraph is preferred, and candidates with an existing polygraph will receive priority.
 * Candidates with an active TS/SCI without a CI Polygraph may still be considered when their technical qualifications are a strong match.

Highly Desired

 * JSON
 * Java
 * JavaScript
 * SharePoint
 * XML
 * VBA
 * Oracle
 * MongoDB
 * Solr
 * OpenAI or other AI technologies

## Description

This is an opportunity for an experienced developer who can work across the full application stack, contribute to modernization efforts, and support the evolution of complex enterprise applications.

Salary Range: $150,000-$175,000

What You'll Do

 * Design, develop, and enhance full-stack application capabilities.
 * Support the modernization and continued development of an existing enterprise application.
 * Help build a new, interactive, AI-enabled platform.
 * Contribute to the transition from VM-based infrastructure to containerized environments.
 * Develop and support containerized applications.
 * Work across frontend and backend technologies.
 * Support application modernization initiatives and AI integration.
 * Work with existing enterprise applications while helping evolve the technical architecture.

Principal Technologies

 * Angular
 * TypeScript
 * PostgreSQL
 * Redis
 * NestJS
 * Node.js
 * Elasticsearch
 * MongoDB
 * Docker


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