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# Application Developer - Mid Level

- **Company:** Morgan Business Consulting, LLC
- **Location:** Arlington, VA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Microsoft Word, JavaScript (Programming Language), Microsoft Excel, Automation of Tests, Code Review, Data Validation, Software Debugging, Python (Programming Language), Linux Servers, Microsoft PowerPoint, Regression Testing, Microsoft SharePoint, SQL Databases, TypeScript, Flask (Web Framework), Large Language Models, Claude Code, Software Application Programming, Backend, Git, Fastapi, Vue.js, SC Clearance, Front End Software Development, Restful APIs, GPT, Web Api
- **Published:** October 20, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=6d2a4efb7f3623d7

## About the Role

* The ability to obtain and maintain a Department of Defense Secret Security Clearance
 * 4+years of experience developing applications using Python, SQL, REST APIs, and related technologies
 * Hands on experience building LLM applications, ideally in production
 * Building and deploying backend APIs (Flask, FastAPI or similar) on Linux servers
 * Experience in practical data validation and debugging
 * Experience using JavaScript or TypeScript and a modern frontend framework; Vue.js preferred.
 * Experience with Git, code reviews, automated testing and the ability to explain and verify code changes
 * Experience using LLM coding assistants such as Claude Code, ChatGPT or Codex to investigate code, plan changes, implement fixes and create tests
 * Proficiency using Microsoft Word, Excel, PowerPoint, and SharePoint
 * Eligibility to obtain a DOD SECRET security clearance
 * Bachelor's degree in an Engineering discipline from an institution accredited in the United States
 * Excellent attention to detail, organizational skills, and ability to multitask
 * Strong verbal and written interpersonal, communication, and presentation skills
 * Ability and willingness to travel domestically and internationally using a credit card or prepaid debit card as required by MBC and/or clients

## Description

* Implement scoped Python backend fixes and REST API integrations using Flask or FastAPI
 * Improve the Vue.js interface, including answer presentation, citations, tables and error states
 * Use SQL and graph queries to validate records, relationships and financial fields; trace issues across retrieval, backend responses and UI rendering
 * Build regression tests and document expected versus actual results, evidence, defects and remaining limitations
 * Maintain focused code changes, technical documentation and clear progress updates
 * Support controlled validation and releases
 * Adhere to and report on technical milestones and the overall project schedule
 * Participate in and support internal and external engagements including client meetings, conferences, and industry days
 * Evaluate operational deficiencies, recommend improvements, and coordinate their implementation
 * Attend meetings and program reviews, assist with compiling presentations, written materials, and/or electronic communications as required
 * Travel domestically and internationally, provide in-person support at MBC and client sites, and obtain and maintain professional certifications and security clearances as required by MBC and/or MBC's clients. These requirements are subject to change without advance notice at the discretion of MBC and MBC's clients