Full Stack Developer

Fantom Corporation

Chantilly (VA)

On-site

USD 100,000 - 130,000

Full time

14 days+

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Job summary

Fantom Corporation is looking for a skilled Full Stack Developer in Chantilly, Virginia. This role involves designing, developing, and delivering software solutions across a cloud environment. You will work with modern frameworks, handle front-end and back-end development, and collaborate in agile teams. Required qualifications include 5–7 years of experience in programming languages like Java and C#, expertise in modern JavaScript frameworks, and cloud environment experience. Applicants must be fully cleared with a recent polygraph and be willing to work onsite.

Qualifications

  • 5–7 years of experience with application-layer programming languages.
  • Strong experience with databases and data-layer technologies.
  • Front-end development expertise using modern JavaScript frameworks.

Responsibilities

  • Collaborate with the Chief Engineer to convert requirements into tasks.
  • Design, build, and enhance features across software applications.
  • Integrate applications with Infrastructure as Code and DevOps tooling.

Skills

Application-layer programming languages (Java, C#, C++)
Databases and data-layer technologies (SQL, MongoDB, Python, etc.)
Front-end development (React.js, HTML, CSS)
Experience in cloud environments (AWS, Azure)
Agile/Scrum methodologies

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, 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), 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
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
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