Application Developer

Galapagos Federal Systems LLC.

2d•$105,000 - $125,000

About The Position

Galapagos Federal Systems LLC is seeking a motivated Application Developer to join our team and work alongside a diverse group of professionals committed to mission success. The Application Developer provides development support in an Agile DevSecOps environment, following the Risk Management Framework (RMF). This role supports 25+ DTMO custom applications requiring maintenance, updates, or modernization, along with the development of up to two new applications each year. Responsibilities include planning, architecture design, development, testing, deployment, and sustainment across the software development lifecycle. The position also supports the DTMO public website, Web Content Management System (WCMS) development, and allowance calculators. Technologies used include Java, HTML5, PHP, and Oracle APEX, with ServiceNow or other approved ticketing systems used for development tracking. All development follows DevSecOps practices, RMF security requirements, Section 508 accessibility standards, U.S. Web Design System (USWDS) guidelines, and DoD cloud computing standards to ensure secure, high-quality applications.

Requirements

Must obtain and maintain a Tier 3 (T3) or higher background investigation
5+ years of experience in application development or related software engineering roles
Experience developing enterprise or web-based applications in government or large enterprise environments
Experience working with the Oracle APEX platform
Proficiency in programming languages such as Java, Python, C#, JavaScript, HTML5, PHP, or similar modern languages
Experience developing and integrating APIs and application frameworks
Experience implementing or supporting Service-Oriented Architecture (SOA) environments
Experience implementing Section 508 accessibility standards in web or enterprise applications.
Familiarity with database systems and data integration techniques
Knowledge of software development life cycle (SDLC) methodologies, including Agile, DevOps, or similar frameworks
Experience using version control systems such as Git and other development collaboration tools
Understanding of application security principles and secure coding practices
Ability to troubleshoot complex application issues and implement effective technical solutions
Strong analytical and problem-solving skills
Ability to collaborate effectively with technical teams, system administrators, cybersecurity personnel, and federal stakeholders
Strong written and verbal communication skills, including the ability to document technical processes and solutions
At least 5 years of current experience as an Application Developer

Nice To Haves

Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field
Oracle APEX Cloud Developer Certified Specialist
Oracle Development or Oracle Cloud Platform certifications
CompTIA Security+
Certified Scrum Developer (CSD) or other Agile development certifications

Responsibilities

Provide technical and programmatic support across the full software development life cycle (SDLC) including planning, architecture design, development, testing, deployment, and sustainment
Design, develop, and maintain enterprise and web-based applications supporting DTMO systems
Develop and support Service-Oriented Architecture (SOA) and Application Programming Interfaces (APIs) to enable system integration and interoperability
Participate in requirements gathering sessions and collaborate with stakeholders to identify functional and technical requirements
Analyze requirements documentation and provide recommendations to ensure complete and accurate requirements capture
Design and develop user interface (UI) wire frames and mock ups for new applications and enhancements while ensuring compliance with Section 508 accessibility standards
Perform front-end and back-end application development, including integration with databases and external systems
Provide application sustainment support, including enhancements, defect resolution, and implementation of new capabilities
Support technology refresh initiatives and application modernization efforts aligned with DoW modernization strategies and cyber/cloud compliance requirements
Maintain compliance with application coding standards and accessibility requirements, including Section 508 mandates for public-facing systems
Develop unit tests and test cases and conduct testing prior to code scanning, integration testing, and deployment
Recommend and implement test automation strategies to improve testing efficiency and software quality
Conduct and participate in code reviews to ensure quality, maintainability, and adherence to development standards for GOTS applications
Ensure compliance with DMDC application security requirements, including code scanning and security validation prior to production deployment
Assess DTMO’s software development life cycle processes, tools, and development environment, providing recommendations for improvement
Evaluate DTMO’s implementation of SOA and APIs, recommending enhancements to improve performance, scalability, and maintainability
Develop and maintain integrated development project schedules, covering requirements, design, development, testing, and code review phases
Apply rigorous requirements management, change control, testing, and project management practices to ensure delivery of high-quality applications
Utilize ServiceNow or other approved ticket management systems to track development tasks, issues, and project activities
Produce and maintain technical documentation, including code documentation, application design documentation, and development environment guides to support maintainability and knowledge transfer