---
title: 'Applications Developer III at ARSIEM'
canonical: 'https://feeny.ai/job/applications-developer-iii-arsiem-arlington-mhddn18d6f0f'
type: 'job'
last_seen: '2026-09-09'
---

# Applications Developer III at ARSIEM

- **Company:** ARSIEM
- **Location:** Arlington, VA
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-06-24
- **Last confirmed live:** 2026-09-09
- **Apply:** https://jobs.lever.co/arsiem/6d237f55-70bc-4490-b509-1264d72fab38

## Job description

## About ARSIEM Corporation

At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients.  We provide support to multiple agencies across the United States Government.  ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support.

As demand increases, ARSIEM continues to provide reliable and cutting-edge technical solutions at the best value to our clients.  That means a career packed with opportunities to grow and the ability to have an impact on every client you work with.

ARSIEM is looking for an Applications Developer. This position will support one of our Government clients in Arlington, VA.

## Responsibilities

- Designs, troubleshoots, and implements software code for end-to-end software development
- Designs, develops, enhances, debugs, integrates, and implements software
- Troubleshoots production problems related to software applications
- Researches, tests, builds, and coordinates the integration of new products based on user requirements
- Initiates action for evaluation and recommendation of application software packages, application integration and testing tools
- Resolves problems with software and responds to suggestions for improvements and enhancements
- Implements recommendations for improving documentation and development process standards

## Minimum Qualifications

- BS Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering or related degree; or HS Diploma & 7+ years of directly relevant experience.
- 5+ years of directly relevant experience in applications development
- Knowledge of secure software development lifecycle and code versioning and maintenance
- Experience with assessing and integrating commercial off the shelf (COTS) products
- Knowledge and familiarity to work with the installation, demonstration, test, validation and evaluation of new and existing software, tools, methods, and software measurement technologies
- Must have operational experience with Python
- Knowledge of software application development and RESTful architecture
- Knowledge of data transformation and manipulation via code
- Experience working and developing in/with containerization software including Kubernetes   and Docker
- Must have strong communication skills and have experience interacting and with customers directly in a project environment or technical demonstration
- Must be able to work collaboratively across remote and physical locations

## Preferred Qualifications

- Experience with two or more of the following: Python, Silk, JSON, Data Analytics, MongoDB, Elastic Search, Postgress, Ansible, Vue.js, React, HTML, Kubernetes, Docker, Podman, AWS, View Jazz Framework, Process Automation, UI Development, CI/CD knowledge
- CSSLP
- Sec+

Clearance Requirement: Must have an active Secret clearance and be able to obtain a TS/SCI clearance. Must be able to obtain DHS Suitability.

Candidate Referral: Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects. The bonus for this position is $3,500, and the referrer is eligible to receive the sum for any applicant we place within 12 months of referral. The bonus is paid after the referred employee reaches 6 months of employment.

ARSIEM is proud to be an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class.

## About ARSIEM

## Company Overview
- **One-liner**: ARSIEM Corporation is a Service-Disabled Veteran-Owned Small Business (SDVOSB) that delivers advanced IT consulting and cybersecurity solutions to the U.S. Department of Defense and other federal agencies.
- **Entity Type**: Private (Bootstrapped; no public funding rounds reported)
- **Headquarters**: Baltimore, Maryland, United States
- **Founded**: 2013
- **Founders**: R. Chuck Matthews (CEO)

## Core Business
- Primary industry: IT Services and IT Consulting, with a focus on cybersecurity, enterprise architecture, and software development.
- Target customers: U.S. Government, primarily the Department of Defense (DoD) and Intelligence Community agencies.
- Mission: To provide proven technology problem-solving expertise to its customers, delivering IT solutions with cybersecurity training, information security engineering, applications development, and more.

## Products & Services
- **Cyber Security Training & CNO (Computer Network Operations)**: Custom training programs for DoD personnel, including CNO analysis and development, penetration testing, and information assurance solutions.
- **Enterprise Architecture & Development**: Web-based solutions and system integration for organizing work products and accessing information, tailored to DoD and commercial markets.
- **Applications Development**: Custom software development, including embedded software, mobile applications (Android), and platform engineering.
- **Software Test & Evaluation**: Testing and validation services for mission-critical systems.
- **Information Security Engineering**: ISSE (Information Systems Security Engineer) services, incident management, and network-based systems analysis.

## Market Standing
- **Valuation**: Not publicly available (private company).
- **Key Metric**: Approximately 34 employees (as of 2026); headcount growth of +10.9% year-over-year.
- **Notable Investors/Partners**: Primary customer is the U.S. Department of Defense. Certified as a Service-Disabled Veteran-Owned Small Business (SDVOSB) and HUBZone small business.
- **Growth Signals**: 59 active job postings (as of Sept 2026); LinkedIn followers grew 10.2% year-over-year; recent hiring of Skillbridge interns and specialized roles (AI Platform Engineer, Android CNO Developer).

## Competitive Advantages
- **Deep DoD & Intelligence Community Experience**: Leadership (CEO Chuck Matthews, President Keith Pabst) collectively have over 25 years of DoD and IC experience, including military service.
- **Niche Cybersecurity Expertise**: Specializes in hard-to-fill positions like CNO analysis, embedded development, and cyber training for combat readiness.
- **Small Business Agility with HUBZone & SDVOSB Certifications**: Eligible for sole-source and set-aside contracts, giving them a competitive edge in federal procurement.
- **High Employee Satisfaction**: 4.8/5.0 employer rating on LinkedIn (10 reviews), with perfect 5.0 for culture, 4.9 for compensation, and 4.8 for work-life balance.

## Strategic Focus
- **Expanding AI & Platform Engineering**: Recent job postings for AI Platform Engineer, AI Product Manager, and AI Engineer indicate a push into artificial intelligence solutions.
- **Talent Acquisition & Retention**: Offering competitive benefits, tuition reimbursement, and a $40,000 bonus incentive for senior software engineers in the past. Focus on hiring veterans and transitioning service members (Skillbridge internships).
- **Deepening Government Relationships**: Continuing to serve as a trusted partner to multiple agencies across the U.S. Government, with a strong emphasis on cybersecurity and operational readiness.

## Why Work Here
- **Culture & Values**: Employee reviews highlight a 5.0/5.0 culture rating, emphasizing a supportive, mission-driven environment with a focus on national security.
- **Benefits**: Competitive compensation, paid time off, tuition reimbursement (continuing education), 401(k) plan, short/long-term disability, life insurance, and medical/dental insurance.
- **Work Environment**: Most positions are on-site at locations in Maryland (Ft. Meade, Annapolis Junction) and Arlington, VA. Some telework opportunities may exist for software engineers (as noted in a LinkedIn post). The company is a recognized HIRE Vets Medallion Program employer.
- **Engineering Culture**: Strong emphasis on hands-on, mission-critical technical work (CNO, embedded systems, AI). The company supports professional development and certifications.

## Sources
1. [arsiem.com About](https://www.arsiem.com/about/)
2. [arsiem.com Careers](https://www.arsiem.com/careers/)
3. [arsiem.com Why ARSIEM](https://www.arsiem.com/why-arsiem/)
4. [linkedin.com/company/arsiem-corporation](https://linkedin.com/company/arsiem-corporation)
5. [jobs.lever.co/arsiem](https://jobs.lever.co/arsiem)

## Other roles at ARSIEM

- [608 Software Engineer 3](https://feeny.ai/job/608-software-engineer-3-arsiem-annapolis-junction-5g2dwar6t955) — Annapolis Junction, MD
- [409 - Cybersecurity AI Developer](https://feeny.ai/job/409-cybersecurity-ai-developer-arsiem-laurel-haxr30mzwhrf) — Laurel, MD
- [408 - Senior Cybersecurity AI Developer](https://feeny.ai/job/408-senior-cybersecurity-ai-developer-arsiem-laurel-hbmfsz475aft) — Laurel, MD
- [406 - Senior Information Systems Security Officer](https://feeny.ai/job/406-senior-information-systems-security-officer-arsiem-ft-meade-a1005yt1mqd0) — Ft Meade, MD
- [Lab Manager III](https://feeny.ai/job/lab-manager-iii-arsiem-arlington-nqzc99fhnnxb) — Arlington, VA
- [402 - Sr. Analytic Developer](https://feeny.ai/job/402-sr-analytic-developer-arsiem-ft-meade-vbj3njrgw5a8) — Ft Meade, MD
- [400 - Application Developer](https://feeny.ai/job/400-application-developer-arsiem-ft-meade-vtmp8v3genpf) — Ft Meade, MD
- [659 System Administrator 2](https://feeny.ai/job/659-system-administrator-2-arsiem-annapolis-junction-rdcz68venxar) — Annapolis Junction, MD
- [Applications Developer III](https://feeny.ai/job/applications-developer-iii-arsiem-arlington-3bh2bvv0m7qc) — Arlington, VA
- [Applications Developer III](https://feeny.ai/job/applications-developer-iii-arsiem-arlington-97dy4nzszr6m) — Arlington, VA