Full Stack Developer

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.

• 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.

• 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.

• 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.

• 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.