--- title: 'Full Stack Developer at Fantom Corporation' canonical: 'https://feeny.ai/job/full-stack-developer-fantom-corporation-chantilly-pak8719jka2t' type: 'job' last_seen: '2026-09-11' --- # Full Stack Developer at Fantom Corporation - **Company:** Fantom Corporation - **Location:** Chantilly, VA - **Work type:** onsite - **Posted:** 2026-02-02 - **Last confirmed live:** 2026-09-11 - **Apply:** https://jobs.lever.co/fantom-corporation/2cd13c1a-a206-4c1d-a4fb-54ba9e46c667 ## Job description Fantom Corporation is a mission-focused organization supporting critical programs across the defense and intelligence community. We partner with our customers to deliver high-impact technical solutions while fostering a culture built on trust, expertise, and long-term career growth. We are seeking a skilled Full Stack Developer to join our team and contribute to meaningful, mission-driven work for our customer. The Full Stack Developer contributes to the design, development, and delivery of end-to-end software solutions across a cloud-based environment. This role spans the entire software development lifecycle, including front-end interfaces, back-end services, and data layers. The developer designs and builds scalable, secure applications; develops APIs and system integrations; and ensures solutions are optimized for enterprise cloud infrastructure and security standards. This position involves translating functional requirements into technical designs, implementing application logic from the database through the user interface, and supporting integrations with external systems and data sources. The developer works with modern frameworks, programming languages, and data management tools while maintaining high-quality code through testing and continuous improvement. ## Responsibilities - Collaborate with the Chief Engineer and Technical Leads to convert business and system requirements into user stories and technical tasks - Design, build, and enhance features across multiple software applications - Integrate applications with Infrastructure as Code (IaC) and DevOps tooling to support cloud orchestration - Apply AWS best practices to deliver efficient, secure, and cost-effective cloud-native solutions - Develop modern front-end user interfaces using frameworks such as [React.js](http://React.js), along with HTML and CSS - Build and maintain web APIs that interface with cloud-based applications and databases - Participate in agile development teams to deliver incremental, iterative software solutions ## Qualifications - 5–7 years of experience with application-layer programming languages (e.g., Java, C#, C++) - Strong experience with databases and data-layer technologies, including SQL, unstructured data, MongoDB, Python, R, Elasticsearch, and analytics tools - Front-end development expertise using modern JavaScript frameworks (e.g., [React.js](http://React.js)), HTML, CSS, Bootstrap, or similar technologies - Hands-on experience developing, deploying, and maintaining applications in cloud environments such as AWS or Azure - Proven experience working within Agile/Scrum development methodologies - #CJ ## Requirements - Must be fully cleared with a recent polygraph - Must be willing and able to work fully onsite at the location listed in this posting Fantom Corp is a Software Development, Agile Cloud, Cyber Security (Risk Management, Assessments & Authorization (A&A)), Data, AI Platform (Computer Vision Models), Podcasting Media Services, and IT Services provider. Established in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services , and Cloud-certified practitioners. We excel in delivering emerging technologies such as Artificial Intelligence (AI) and Machine Learning (ML) with a focus on identifying trends, object detection, and classification of structured and unstructured data. Fantom Corp possesses mastery in all aspects of digital audio production. We lead in the ideation and creation of efforts for clients who want to harness the power of podcasting. We guide them in selecting the right show format for their needs and goals. As a Small Business, we possess the innovation, speed and flexibility to meet your requirements. ## About Fantom Corporation ## Company Overview - **One-liner**: Fantom Corporation provides high-end systems engineering, software development, and IT integration services to U.S. Department of Defense and Intelligence Community customers. - **Entity Type**: Private (Bootstrapped) - **Headquarters**: Leesburg, Virginia, United States - **Founded**: 2014 - **Founders**: Allen Fant ## Core Business - **Primary industry/industries**: Government Contracting, Information Technology & Services, Defense & Intelligence - **Target customers**: U.S. Department of Defense, Intelligence Community agencies, Federal clients - **Mission or purpose statement**: To provide leading-edge expertise that assists customers in making challenging business decisions through the use of big data analytics, while ensuring national security through the development and integration of advanced technologies [fantomcorp.com](https://fantomcorp.com/about/). ## Products & Services - **Systems Engineering & Integration**: Full lifecycle systems development support, integrating existing systems with open-source and commercial-off-the-shelf (COTS) products. - **Software Development**: Best-value custom software development services tailored to defense and intelligence missions. - **IT Solutions & Big Data Analytics**: Architecting tools that enable customers to identify trends, detect patterns, and glean valuable findings from structured and unstructured data. - **Enterprise Architecture & Program Management**: Consulting and technical volume leadership for large business development efforts. ## Market Standing - **Valuation/Market Cap**: Not publicly available - **Key Metric – Total Funding**: Bootstrapped (no external funding rounds found; privately held and self-funded) - **Notable Investors/Partners**: None listed (self-funded, private government contractor) - **Growth Signals**: The company is actively hiring (13 open positions as of mid-2026) and maintains a steady LinkedIn follower growth of +27.8% year-over-year. It has offices in Leesburg, VA (HQ) and McLean, VA. ## Competitive Advantages - **Clearance-Ready Workforce**: The company requires active TS/SCI with Polygraph for all positions, giving it a specialized talent pool and mission-critical access. - **Deep Domain Expertise**: The CEO, Allen Fant, has over 20 years of IT experience within the DoD and IC, including roles at Lockheed Martin and GDIT. This lends credibility and deep customer relationships. - **Flat Organizational Structure**: Fantom deviates from hierarchical titles, focusing on performance and personal preference rather than rank. - **Focus on Emerging Tech**: Actively hiring in AI/ML, cloud, DevOps, cybersecurity, and data engineering, signaling alignment with cutting-edge mission needs. ## Strategic Focus - **Current priorities for growth**: Scaling the cleared technical workforce to support expanding Defense and Intelligence programs. Emphasizing recruitment of professionals in software engineering, cloud, DevOps, cybersecurity, data engineering, network engineering, and AI/ML [linkedin.com](https://www.linkedin.com/company/fantom-corporation). - **Direction**: Deepening capabilities in AI/ML and data analytics while continuing to provide foundational systems integration and software development services. ## Why Work Here - **Culture**: Described as employee-focused with an emphasis on innovation, collaboration, and professional growth. The company encourages continuous learning through conferences, training, and degree programs [fantomcorp.com](https://fantomcorp.com/about/). - **Work Policy**: Likely on-site/hybrid near client sites in Maryland and Virginia (given clearance requirements). - **Notable Benefits**: - **Health**: 100% employer-paid PPO medical insurance (employee + dependents), with standard vision and dental included. - **Retirement**: 401(k) with a 4% company match (first 3% dollar-for-dollar, next 2% at 50 cents on the dollar). - **Time Off**: 6 weeks of vacation (encouraged to use it). - **Growth**: Generous education reimbursement program; seminar/conference attendance. - **Bonus**: Discretionary end-of-year profit sharing bonus based on company performance, customer satisfaction, and employee performance. - **Team Size**: Approximately 16 employees (11-50 range), with a high ratio of senior/technical staff (~52% in technical roles). This offers a small-company feel with senior-level impact. - **Job Postings**: 13 active openings as of mid-2026, including Systems Integration Engineer, Full Stack Developer, Windows Systems Administrator, DSP Algorithm Developer, and AI/ML roles [lever.co](https://jobs.lever.co/fantom-corporation). ## Sources 1. [fantomcorp.com](https://fantomcorp.com/) – Official website 2. [fantomcorp.com/about/](https://fantomcorp.com/about/) – About page 3. [fantomcorp.com/benefits/](https://fantomcorp.com/benefits/) – Employee benefits page 4. [linkedin.com/company/fantom-corporation](https://www.linkedin.com/company/fantom-corporation) – LinkedIn company page 5. [jobs.lever.co/fantom-corporation](https://jobs.lever.co/fantom-corporation) – Careers page ## Other roles at Fantom Corporation - [Sr Software Integration Engineer](https://feeny.ai/job/sr-software-integration-engineer-fantom-corporation-chantilly-js6e28c3wnkt) — Chantilly, VA - [Jr Linux Engineer](https://feeny.ai/job/jr-linux-engineer-fantom-corporation-chantilly-49shq86s64cq) — Chantilly, VA - [Data Scientist](https://feeny.ai/job/data-scientist-fantom-corporation-chantilly-rszz57jw6teq) — Chantilly, VA - [ServiceNow Developer](https://feeny.ai/job/servicenow-developer-fantom-corporation-chantilly-5fbxvhtz3vex) — Chantilly, VA - [Salesforce Developer](https://feeny.ai/job/salesforce-developer-fantom-corporation-mclean-34qh5xaynng7) — Mclean, VA - [DevOps Engineer](https://feeny.ai/job/devops-engineer-fantom-corporation-hanover-470bvf7wcx6e) — Hanover, MD - [Jr Systems Engineer](https://feeny.ai/job/jr-systems-engineer-fantom-corporation-hanover-838j5t629xgt) — Hanover, MD - [Sr DevOps Engineer](https://feeny.ai/job/sr-devops-engineer-fantom-corporation-hanover-rkxw7pwn0gp4) — Hanover, MD - [Multi-Cloud Engineer](https://feeny.ai/job/multi-cloud-engineer-fantom-corporation-chantilly-y005x9x68e75) — Chantilly, VA - [Jr Data Engineer](https://feeny.ai/job/jr-data-engineer-fantom-corporation-chantilly-kc8hmgw1wghp) — Chantilly, VA