Senior Software Engineering

Type of Requisition:
Regular

Clearance Level Must Currently Possess:
None

Clearance Level Must Be Able to Obtain:
None

Public Trust/Other

Required:

Other

Job Family:
Software Engineering

Job Qualifications:

Skills:

UI/UX Design, UI Framework, User Experience (UX), User Interfaces (UI)

Certifications:

None

Experience:

10 + years of related experience

US Citizenship

Required:

No

UI/UX Developer

We are seeking a frontend engineer skilled in building React SPAs with secure API integrations, responsive UI design, and WCAG-compliant accessibility. The ideal candidate excels at creating workflow-driven UX for reconciliation and exception-management systems, delivering performant, reliable interfaces while collaborating effectively across cross-functional teams.

As an UI/UX developer , the work you'll do at GDIT will be impactful to the modernization mission of Federal Financial Agencies. You will play a crucial role and conduct UI experience analysis of our client's business processes, leverage the knowledge with your technical expertise in UI/UX design and applications functionality and provide technical leadership and guidance for the UI/UX development of mission-critical financial applications from IBM Mainframe platforms to modern, cloud-enabled, and server-based architecture.

• Build React single-page applications using modular component architecture, client-side routing patterns, and robust state management.
• Implement the UI features, including drill downs for out-of-balance conditions and structured exception review and approval workflows.
• Deliver responsive layouts using modern CSS approaches such as grid, flexbox, and media queries.

• Integrate backend APIs with secure data handling practices, schema validation, and structured error-management patterns.
• Implement protected routing, safe rendering behaviors, and secured session workflows aligned with reconciliation system requirements.
• Optimize UI performance for data-dense screens supporting reconciliation, exception tracking, and multi-step review processes.

• Apply WCAG accessibility guidelines through ARIA roles, keyboard navigation support, and semantic HTML usage.
• Design intuitive end-to-end UX workflows for exception flows, drill downs, multi-step approvals, and audit-driven interactions.
• Debug complex state transitions, routing logic, and asynchronous data flow issues to ensure consistent and predictable UI behavior.

• Collaborate with backend, ingestion, reporting, and Dev Ops teams to ensure cohesive and high-quality end-to-end workflows.
• Document UI components, interaction patterns, integration contracts, and UX standards to support maintainability and future enhancements.

Bring your initiative and drive for innovation to GDIT. The UI/UX Developer position requires expertise in mapping clients' business processes and User experience using industry standard tools common to UI/UX development

• Strong proficiency in React, JavaScript/Type Script, SPA architecture, and component-driven development.
• Experience with React Router, centralized or modular state management (Redux, Zustand, Context API), and async data flows.
• Expertise in modern CSS (grid, flexbox, media queries) and responsive UI design patterns.
• Hands-on experience integrating RESTful APIs with secure data-handling, validation, and error-management practices.
• Familiarity with secure UI behaviors including protected routes, session handling, and safe rendering patterns.
• Working knowledge of WCAG accessibility standards, ARIA usage, and semantic HTML.
• Strong troubleshooting skills in debugging UI…