Application Programmer III

Unissant•Washington, DC

1d•Onsite

About The Position

Unissant, Inc. is seeking an Application Programmer III to support a newly awarded program for a federal health agency. The role develops, maintains, and troubleshoots assigned application components, with emphasis on business logic, data access, and reliable releases. The successful candidate will bring practical delivery experience, sound judgment, and a collaborative approach to maintaining Federal business applications while improving technical capability. The position includes analyzing existing code, incident history, and business rules; implementing approved enhancements and defect corrections; maintaining database queries, data access logic, and application interfaces; and creating unit tests while supporting integration and regression testing. The programmer also investigates production defects, participates in peer review, addresses code-quality and security findings, maintains changes in source control, prepares release and support documentation, and supports knowledge transfer. Work is coordinated with program leadership, Government stakeholders, and related teams. The role requires use of Government-approved tools and authorized environments for program data, and validation of AI-assisted output before it informs delivery decisions. The position requires on-site support in the Bethesda, Maryland area as directed, and candidates must meet federal suitability and access requirements. The work is mainly in a routine office environment. The role may require lifting up to ten pounds and flexible working hours, including extended hours. Travel is listed as Washington, DC.

Requirements

At least 5 years of experience programming and maintaining enterprise business applications in a production support environment.
Hands-on proficiency in a relevant assigned stack, such as Java or .NET; expertise in every application language is not assumed.
Ability to write and troubleshoot SQL and understand relational database structures.
Experience with version control, unit testing, debugging, and structured defect management.
Ability to interpret requirements and implement secure, maintainable code with documented error handling.
Experience supporting application releases and coordinating with analysts, testers, and operations staff.
Ability to document work clearly, protect sensitive program information, and collaborate across Government and contractor teams.
Ability to meet federal suitability and access requirements and provide on-site support in the Bethesda, Maryland area as directed.
Clear verbal and written communication skills, including the ability to coordinate professionally across Government, prime contractor, and subcontractor teams; explain role-specific findings; document decisions and procedures; and communicate risks and recommended actions.
Must hold or be eligible for a Public Trust Moderate (Tier 2) background investigation and meet applicable federal suitability, badging, and system-access requirements.
Candidate(s) will be required to go through pre-employment screening.

Nice To Haves

A degree or relevant coursework in computer science, information systems, engineering, or a related discipline.
Relevant cloud, development, or platform credentials.
Experience maintaining legacy code and documenting business logic during incumbent transition.
Familiarity with API integration, automated builds, and approved cloud development environments.
Experience using approved AI-assisted code comprehension tools while validating generated findings.
Experience supporting a Federal IT services environment, preferably within a federal health agency or comparable federal IT environment.
Experience transferring knowledge from an incumbent team and maintaining reliable services during transition.

Responsibilities

Analyze existing code, incident history, and business rules to understand assigned application behavior.
Implement approved enhancements and defect corrections using the language and framework assigned to the application.
Develop and maintain database queries, data access logic, and application interfaces with appropriate validation and error handling.
Create unit tests and support integration and regression testing with traceability to approved requirements.
Investigate production defects, reproduce failures safely, and document root causes and corrective actions.
Participate in peer review, remediate code-quality and security findings, and maintain changes in source control.
Prepare release notes, configuration instructions, and maintenance documentation for support staff.
Support transition knowledge transfer and maintain current technical or process documentation for assigned responsibilities.
Coordinate assigned work with program leadership, Government stakeholders, and related teams; report blockers and dependencies promptly.
Use Government-approved tools and handle program data within authorized environments.
Validate AI-assisted output before it informs delivery decisions.
Support application releases and coordinate with analysts, testers, and operations staff.