Senior Full-Stack UI/UX Developer — React + TypeScript

Designer Jobs; Ashburn (VA); On-site; USD 85,000 - 120,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Retirement savings plans

Paid time off

Other supplemental programs

Job summary

C. Mack Solutions LLC seeks a UI/UX Developer with full‑stack experience to build responsive, production‑quality web apps for a mission‑critical Federal Government program. Focus on frontend with React/TypeScript while integrating with Java 17/Spring Boot backend and PostgreSQL.

You will collaborate across the stack, write clean, tested code, and participate in CI/CD workflows. On-site in Ashburn, VA 1–2 days/week, with strong emphasis on accessibility and performance.

Qualifications

• 5+ years of experience building production web applications with React and TypeScript.
• Strong proficiency in JavaScript, HTML, HTTP, and CSS.
• Experience with Java/Spring Boot and PostgreSQL.
• Familiarity with front-end testing, accessibility, and CI/CD pipelines.

Responsibilities

• Build, extend, and maintain responsive, production-grade web applications using React and TypeScript.
• Collaborate across the stack by integrating front-end code with backend services and APIs built on Java 17/Spring Boot and PostgreSQL.
• Write clean, tested code; participate in code reviews, unit testing, and CI/CD pipelines using tools like JIRA, Confluence, GitLab, and Harness.
• Diagnose and resolve UI performance and maintainability issues.
• Translate wireframes and design specs into responsive, accessible front-end implementations.
• Partner with designers, product owners, and stakeholders to ensure a consistent look-and-feel across applications.
• Mentor junior team members and work in an agile environment.

Skills

React

TypeScript

Java

Java 17

Spring Boot

PostgreSQL

Hibernate

AWS

JavaScript

HTML

CSS

Kendo UI

Angular

CI/CD

JIRA

Confluence

GitLab

Harness

Jenkins

Bamboo

Figma

Tools

JIRA

Confluence

GitLab

Harness

Jenkins

Bamboo

Job description

C. Mack Solutions LLC seeks a UI/UX Developer with full‑stack experience to build responsive, production‑quality web apps for a mission‑critical Federal Government program. Focus on frontend with React/TypeScript while integrating with Java 17/Spring Boot backend and PostgreSQL.

You will collaborate across the stack, write clean, tested code, and participate in CI/CD workflows. On-site in Ashburn, VA 1–2 days/week, with strong emphasis on accessibility and performance.