Senior UI Engineer Job at Devis in Washington

Company Overview
Development InfoStructure LLC., (Devis) is a leading provider of innovative software development, management, and consulting services, specializing in cutting‑edge technologies such as DevSecOps, AI, and Machine Learning. With over 30 years of experience, we have established ourselves as a trusted partner for government agencies, delivering tailored, mission‑critical solutions that drive digital transformation and operational excellence. Our client‑centric approach, coupled with our deep domain expertise and technical prowess, enables us to forge enduring relationships and consistently deliver high‑impact, adaptive solutions that resonate with the unique needs of the public sector.

Job Overview
The UI Engineer is responsible for designing, developing, and maintaining the React‑based user interface components of the Committee Portal platform used by Committee staff at the U.S. House of Representatives. This is a full‑time role aligned to core business hours 7:00 AM to 6:00 PM Eastern. Work is performed on Capitol Hill, Washington, DC.

Primary Duties
React and TypeScript Component Development

Develop React components in TypeScript that implement UX designs and acceptance criteria for Committee Portal features

Translate wireframes and UX specifications into accessible, production‑ready interface components

Maintain and refactor existing UI code to improve performance, maintainability, and consistency with the LCS design system

API Integration

Integrate GraphQL APIs into UI components, including queries, mutations, caching, and error handling

Collaborate with the ASP.NET Services Engineer to define query contracts and shape data requirements

Implement client‑side state management using React Query, Zustand, or equivalent patterns already in use by the IPT

Test Automation and Quality

Develop unit tests using Vitest for new and existing React components

Coordinate with the IPT Test Engineer to support functional and regression testing each sprint

Debug issues reported by testers and users, reproduce defects, and deliver fixes within sprint commitments

Configuration Management and Deployment

Use Azure DevOps (ADO), git, and pull request workflows to manage source code and task status

Participate in containerized local development and support deployments through Azure Pipelines to Kubernetes environments

Adhere to all IPT Configuration Management processes defined by the Program Manager

IPT Collaboration and Agile Delivery

Participate in all established agile activities, including sprint planning, daily standups, sprint reviews, and retrospectives as directed by the Scrum Coordinator and Program Manager

Collaborate with UX designers, business analysts, ASP.NET Services Engineers, and Test Engineers to refine acceptance criteria and deliver working features each sprint

Produce code, configuration, and documentation as deliverables under the task, consistent with Section A.5 (Deliverables)

Required Qualifications
Education

Bachelor's degree required in Computer Science, Software Engineering, Information Systems, Human‑Computer Interaction, or a related technical field

Equivalent combinations of certifications, portfolio evidence, and professional experience will be considered in place of a degree

Experience Levels

3+ years of front‑end engineering experience for Mid‑Level consideration, or 6+ years for Senior Level consideration, consistent with Statement of Work Section A.4 Requirement 2

Demonstrated experience developing UI components in React using TypeScript

Demonstrated experience translating wireframes and UX specifications into production components

Experience writing unit tests using Vitest or a comparable modern JavaScript testing framework

Experience integrating APIs (GraphQL or REST) into React applications

Technical Knowledge

Working familiarity with Ant Design, React Query, and Zustand is a plus

Working knowledge of containerized local development environments (Docker) and git‑based pull request workflows

Familiarity with Azure DevOps, Azure Pipelines, and Kubernetes‑hosted deployments at a user level

Understanding of accessible web development and modern front‑end performance practices

Preferred Qualifications

Meta Front‑End Developer Certificate or equivalent

Microsoft Certified: Azure Developer Associate (AZ‑204) is helpful where the Engineer supports Azure‑hosted build and deployment tasks

Security Requirements

Must pass and maintain the background investigation required by the U.S. House of Representatives, Office of the Clerk, for contractor personnel supporting Legislative Computer Systems

Completion of any annual security awareness or House‑mandated training required for IPT members

U.S. citizenship may be required consistent with House of Representatives contractor policy

Salary

$98,000 - $108,000 commensurate with background and experience

Devis is an AA/EOE/M/F/Disabled/VET Employer committed to providing equal employment opportunity without regard to an individual’s race, color, religion, age, gender, sexual orientation, veteran status, national origin or disability.

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