Senior Front-End Engineer (Angular/TypeScript) — 508 UX

Halvik; McLean (VA); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401(k) with company matching

Paid time off + federal holidays

Tuition assistance

Commuter benefits

Job summary

Halvik Corp is seeking a seasoned Frontend UI Engineer to support USPTO Patent Center modules, translating requirements into polished interfaces. You will collaborate with Product Managers and UX designers, participate in design reviews, and ensure code quality via reviews and tests.

Ideal candidates have 5+ years of experience in Angular, TypeScript, RxJS, and responsive layouts, with a strong focus on accessibility, security, and performance. Hybrid work in McLean, VA is offered.

Qualifications

• Bachelor's Degree in Computer Science, IT or related field.
• 5+ years of mid-level frontend experience.
• Strong Angular and TypeScript capabilities.
• Proficient in HTML5, CSS3, and responsive layouts.
• Experience with Angular forms and reactive programming.
• Knowledge of accessibility and 508 compliance.
• Understanding of web security and secure auth patterns.
• Ability to troubleshoot complex UI problems and performance.

Responsibilities

• Collaboration: Work with clients, stakeholders, and cross-functional teams.
• Technical Performance: Front end expertise to build platforms using TypeScript and Angular.
• Modern JavaScript & TypeScript: Proficiency in Angular, RXJS, async patterns, and testing.
• HTML5 & DOM: Semantic HTML and browser rendering pipeline understanding.
• CSS & Layouts: Responsive design with Flexbox/CSS Grid and container queries.
• Framework Expertise: Proficiency with Angular and state management concepts.
• Accessibility Standards: Semantic HTML, a11y attributes, keyboard navigation.
• Web Security: Prevent XSS/CSRF and secure authentication practices.
• Troubleshooting: Deep debugging of changes, routing, forms, and performance.
• System Design Reasoning: Define APIs and data models before coding.

Skills

Angular 18+

TypeScript

RxJS

Semantic HTML

CSS Grid/Flexbox

Unit testing

Accessibility (a11y)

Web security

Education

Bachelor's Degree in Computer Science or related field

Tools

Bootstrap 4

Angular forms

Jest/Vitest

Angular routing

Job description

Halvik Corp is seeking a seasoned Frontend UI Engineer to support USPTO Patent Center modules, translating requirements into polished interfaces. You will collaborate with Product Managers and UX designers, participate in design reviews, and ensure code quality via reviews and tests.

Ideal candidates have 5+ years of experience in Angular, TypeScript, RxJS, and responsive layouts, with a strong focus on accessibility, security, and performance. Hybrid work in McLean, VA is offered.