Position DescriptionJob Title / Labor Category Title
Full Stack Developer
Location
Arlington, VA US (Primary)
Security Clearance Requirements
Secret
Job Description
We are seeking a versatile and detail-oriented
Full Stack Software Developer to join our team in building secure, scalable applications for federal and DoD customers.
This will be a full-time role supporting GoblynWerx, the Technology Development unit of Sellers & Associates, LLC. The position requires a hands-on developer with strong quality assurance instincts and the ability to work across the full technology stack, including front-end, back-end, databases, and cloud infrastructure.
The ideal candidate will have experience developing secure applications in compliance-focused environments, a passion for writing clean and testable code, and a proactive approach to quality throughout the software development lifecycle. In addition to strong coding skills, this role also requires experience designing and integrating
Commercial Off-The-Shelf (COTS) low-code platforms such as
Power BI, Power Apps, Dataverse, and other tools within the Microsoft Power Platform to deliver efficient and user-friendly solutions.
Familiarity with
federal Risk Management Framework (RMF) processes or experience working within
DoD environments is highly preferred.
Responsibilities:- Design, develop, and deploy secure and scalable applications using modern full-stack technologies.
- Extend low-code apps with custom code when needed (front-end, back-end, APIs) to meet mission-specific requirements.
- Integrate low-code systems into secure government environments (enterprise systems, on-prem databases, and cloud services).
- Work with customers to gather and analyze requirements, design wireframes, build prototypes, and implement solutions.
- Deliver features across front-end interfaces, server-side logic, APIs, databases, and cloud infrastructure.
- Write clear, maintainable, and well-documented code with a focus on testability and code quality.
- Build and execute test plans, unit tests, and integration tests to ensure functional reliability and system integrity.
- Conduct QA tasks such as test case development, regression testing, and bug resolution prior to deployment.
- Integrate and manage databases (e.g., SQL Server, MySQL, MongoDB, Redis, Dataverse) and ensure data integrity.
- Consume and develop RESTful APIs and integrate with cloud platforms such as AWS.
- Use Git version control to manage code collaboration and maintain clean project histories.
- Collaborate with cross-functional teams to support secure, functional, and intuitive applications.
Job Requirements
Required Qualifications:- Active Secret clearance required
- Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field is preferred. A minimum of 10 years of total, relevant professional experience may be substituted in lieu of a degree.
- 6-8 years of hands-on full-stack development experience.
Required Knowledge, Skills, & Abilities: - Strong understanding of software testing principles, debugging techniques, and QA best practices.
- Attention to detail, excellent problem-solving skills, and commitment to delivering high-quality solutions.
- Understanding of Jira / Agile methodology.
- Proficiency with at least one modern scripting/programming language such as Python, JavaScript/TypeScript, C#, or • PowerShell to extend and integrate low-code applications.
Required Experience:- Experience with COTS data analytics applications, including Microsoft Power Platform tools such as Power BI, Power Apps, PowerAutomate, and SharePoint.
- Front-End: HTML, CSS, JavaScript, and a modern framework such as React or Angular.
- Back-End: Python and Node.js (highly preferred).
- Databases: Experience with at least one of the following: SQL Server, MySQL, MongoDB, Redis, and/or Dataverse.
- Git for source control and team-based development workflows.
Preferred Experience:- Experience with at least one RDBMS, including SQL query writing, such as SQL Server, MySQL, or PostgreSQL.
- Practical experience developing and hosting applications or data solutions in Azure or AWS.
- Familiarity with Git for source control and team-based development workflows.
- Familiarity with QA automation frameworks (e.g., Jest, PyTest, Cypress, Selenium).
- Knowledge of containerized development and deployment (e.g., Docker).
- Experience with DevOps tools and CI/CD pipelines.
- Previous experience working on government contracts or secure software environments.
- Familiarity with Naval Sea Systems Command (NAVSEA), and/or U.S. Navy
- Agile certifications such as Certified ScrumMaster (CSM), Professional Scrum Master (PSM I/II), SAFe Scrum Master (SSM), or PMI Agile Certified Practitioner (PMI-ACP).
- Familiarity with Risk Management Framework (RMF) and/or Authority to Operate (ATO) processes and procedures.
- Experience working within DoD IT environments, including IL4, IL5, or IL6 systems, and compliance with DoD STIGs and security controls.
Required Knowledge, Skills, & Abilities (KSAs)
See required knowledge, skills, & abilities as well as experience in the Job Requirements.
Travel %
0 - 10%
