Application Developer - Mid Level

Morgan Business Consulting, LLC • Arlington, VA

1d

About The Position

MBC is seeking a mid-level Application Developer in the Washington, D.C. area to support an automation technology innovation program. The developer will help build emerging solutions for MBC’s government clients, contributing to backend services and REST API integrations, Vue.js interface improvements, data validation and debugging, regression testing, and controlled validation and releases. The role also involves technical documentation, progress reporting, schedule and milestone tracking, participation in client and industry engagements, and recommending and coordinating operational improvements. Domestic and international travel and in-person support at MBC and client sites may be required. The employee may also need to obtain and maintain professional certifications and security clearances as required by MBC or its clients; these requirements may change without advance notice.

MBC describes its culture as focused on achieving client outcomes, listening, collaboration, creativity, and continually challenging itself. The position requires the ability to obtain and maintain a Department of Defense Secret security clearance.

Requirements

• Ability to obtain and maintain a Department of Defense Secret security clearance.
• At least 4 years of experience developing applications using Python, SQL, REST APIs, and related technologies.
• Hands-on experience building LLM applications.
• Experience building and deploying backend APIs, such as Flask or FastAPI, on Linux servers.
• Experience in practical data validation and debugging.
• Experience using JavaScript or TypeScript and a modern frontend framework.
• Experience with Git, code reviews, and 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.
• Bachelor’s degree in an engineering discipline from an institution accredited in the United States.
• Excellent attention to detail and organizational skills, with the 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.

Nice To Haves

• Production experience building LLM applications.
• Experience with Vue.js.

Responsibilities

• 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, and 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 and technical documentation, and provide 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, and assist with compiling presentations, written materials, and electronic communications as required.
• Travel domestically and internationally and provide in-person support at MBC and client sites.
• Obtain and maintain professional certifications and security clearances as required by MBC and/or its clients.

Benefits

• Competitive salaries.
• Comprehensive medical plans (Aetna) with an Employee Assistance Program (EAP), health savings and flexible spending accounts, and dental and vision coverage options.
• Opportunity to earn spot awards and annual, performance, and chargeability bonuses.
• Traditional and Roth 401(k) plans.
• Professional development, including up to $1,500 per year in reimbursement for pre-approved courses, trainings, continuing education, and/or certifications.
• Paid Flexible Time Off.
• 10 paid holidays.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level