Senior Full Stack Application Developer

Job Description

Barbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and National Security mission sets. We leverage more than 17 years of support to stakeholders across the federal government, with established and growing capabilities across Intelligence, Analytics, Engineering, Mission Support, and Communications disciplines. Founded in 2008, our mission is to transform the way our customers approach constantly changing and complex problem sets by bringing to bear the latest in technology and the highest caliber of talent.

Headquartered in Washington, DC's historic Dupont Circle neighborhood, Barbaricum also has a corporate presence in Tampa, FL, Bedford, IN, and Dayton, OH, with team members across the United States and around the world. As a leader in our space, we partner with firms in the private sector, academic institutions, and industry associations with a goal of continually building our expertise and capabilities for the benefit of our employees and the customers we support. Through all of this, we have built a vibrant corporate culture diverse in expertise and perspectives with a focus on collaboration and innovation. Our teams are at the frontier of the Nation's most complex and rewarding challenges. Join our team.

Barbaricum is seeking a skilled Senior Full Stack Application Developer to support the ongoing development and modernization of the STRIKE Tool, a critical financial planning and execution platform used by the Department of Defense (DoD). This role is pivotal to transforming how senior leaders manage fiscal resources, increase operational transparency, and meet audit-readiness goals in support of national security objectives.

The ideal candidate will combine deep technical experience with an understanding of DoD IT environments. This role offers the chance to work alongside mission-driven developers, analysts, and end users to build secure, scalable web applications tailored to real-world defense financial management needs.

Responsibilities:

Design, develop, and maintain scalable and secure full stack applications that support DoD financial workflows

Collaborate with UI/UX teams, QA engineers, and government stakeholders to define and implement tool capabilities

Integrate and interface with existing federal financial management systems

Develop RESTful APIs and microservices for secure, compliant data flow

Apply secure coding practices aligned with DoD STIGs and RMF standards

Implement and manage role-based access controls (RBAC) to support audit-compliant design

Contribute to Agile sprint cycles, participate in code reviews, testing, and release coordination

Support DevSecOps pipeline development, CI/CD automation, and infrastructure integration

Required Qualifications:

Active DoD TS, SCI eligibility preferred

7+ years of hands-on experience in full stack development, supporting web-based applications

Front-end expertise using React, Angular, or Vue.js

Back-end development experience with C#, Node.js, .NET Core, Java, or Python

Familiarity with SQL and NoSQL databases (e.g., PostgreSQL)

Proven knowledge of DevSecOps practices, version control (Git), and CI/CD tools such as GitLab or Jenkins

Experience deploying or maintaining solutions on cloud platforms like AWS, Azure, or GovCloud

Strong understanding of secure API development and RBAC design principles

Previous experience working in DoD or federal government environments

DoD 8570 IAT Level II or higher (must be current and verifiable).

Preferred Qualifications:

Bachelor's or Master's degree in Computer Science, Information Systems, or related discipline

Experience working with DoD budgeting processes (e.g., POM, O&M, RDT&E)

Familiarity with audit-compliant or traceable systems used for budgeting, forecasting, or contracting

Understanding of STIG compliance, ACAS scanning, RMF documentation, and secure system hardening

Relevant development certifications, such as:

AWS Certified Developer or Solutions Architect

Microsoft Certified: Azure Developer Associate

Certified Kubernetes Application Developer (CKAD)

Certified Scrum Developer (CSD)

EEO Commitment

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law.

Full-time