Senior pricipal Software Engineer

General Dynamics Information Technology, Inc.; Fairfax (VA); Remote; USD 130,000 - 173,000; Full time

Benefits offered by this job

Comprehensive benefits and wellness

Full-flex work week

Military-friendly culture

Job summary

General Dynamics Information Technology, Inc. is seeking an experienced UI/UX Developer to build secure, responsive React SPAs and deliver workflow‑driven UX for reconciliation and exception management systems.

You will provide technical leadership for UI/UX across mission‑critical financial applications, collaborating with cross‑functional teams and adhering to accessibility and security standards. The role emphasizes scalable component design, performance, and maintainable UI patterns.

Qualifications

• 10+ years of UI/UX development experience.
• Experience building React SPAs with secure API integrations.
• WCAG accessibility knowledge and semantic HTML usage.

Responsibilities

• Build React SPAs with modular components and client-side routing.
• Implement UI features including drilldowns and multi-step workflows.
• Deliver responsive layouts using modern CSS (grid, flexbox, media queries).
• Integrate backend APIs with secure data handling and error management.

Skills

UI/UX Design

UI Framework

User Experience (UX)

User Interfaces (UI)

Education

Bachelor’s or Master’s degree in Computer Science/Information Systems

Tools

React

React Router

Redux

Zustand

Context API

RESTful APIs

ARIA

Job description

Req ID: RQ227958

Type of Requisition: Regular

Clearance Level Must Be Able to Obtain: None

Public Trust/Other Required: Other

Job Family: Software Engineering

Skills:

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

Experience:

10 + years of related experience

Job Description:

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.

MEANINGFUL WORK AND PERSONAL IMPACT

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.

Key Responsibilities:

• Build React single‑page applications using modular component architecture, client‑side routing patterns, and robust state management.
• Implement the UI features, including drilldowns 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.

API Integration & Secure UI Behavior:

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

Accessibility & Workflow Design:

• Apply WCAG accessibility guidelines through ARIA roles, keyboard navigation support, and semantic HTML usage.
• Design intuitive end‑to‑end UX workflows for exception flows, drilldowns, 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.

Collaboration & Documentation:

• Collaborate with backend, ingestion, reporting, and DevOps 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.

WHAT YOU’LL NEED TO SUCCEED

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

Required Technical Skills

• Strong proficiency in React, JavaScript/TypeScript, 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 state, routing behaviors, and asynchronous workflows.

Preferred Qualifications

• Experience building complex enterprise‑grade workflows such as reconciliation processes, exception management, and multi‑step approvals.
• Familiarity with performance optimization techniques for data‑rich dashboards and transaction‑heavy UI screens.
• Knowledge of CI/CD practices and DevOps collaboration for frontend deployment pipelines.
• Experience with UX documentation, design systems, and maintaining reusable UI component libraries.
• Exposure to backend systems, data ingestion pipelines, or reporting platforms to support end‑to‑end workflow alignment.
• Ability to collaborate across multi‑disciplinary teams, including product, QA, backend, and infrastructure groups.

Education:

• Bachelor’s or Master’s degree in Computer Science, Information Systems, or related field.

Required Experience:

• 10 years of experience in UI/UX development and implentation.

Citizenship Required:

• US Person

Security Clearance Level:

• None

Location:

• Remote

Rewards:

• Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Full-flex work week to own your priorities at work and at home
• Award‑winning culture of innovation and a military‑friendly workplace

The likely salary range for this position is $129,813 - $172,500. This is not, however, a guarantee of compensation or salary. Rather, salary will set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Total Rewards at GDIT:

Our benefits package for all US‑based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post‑tax dollars up to the IRS annual limits and receive company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. GDIT typically provides new employees with 15 days of paid leave per calendar year to be used for vacations, personal business, and illness and an additional 10 paid holidays per year. Paid leave and paid holidays are prorated based on the employee’s date of hire. The GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees. To ensure our employees are able to protect their income, other offerings such as short and long‑term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission‑ready capabilities in AI, cloud, cyber and software development.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans