Senior Front End Developer

Quantum Technologies. LLC; Plano (TX); On-site; USD 98,000 - 139,000; Full time

Job summary

Quantum Technologies. LLC is seeking a Senior Front End Developer in Plano, TX to own front-end architecture and delivery.

You will build scalable, accessible enterprise apps using React, Next.js, and TypeScript, collaborating closely with product, design, backend, QA, and architecture teams to deliver production-ready front-end solutions. You will work with modern Next.js patterns, App Router, and Server/Client Components, while optimizing performance and contributing to design systems.

Qualifications

• Bachelor's degree or equivalent in CS/engineering.
• 8+ years of frontend/web development experience.
• Expert knowledge of React.js, Next.js, TypeScript, HTML5, CSS3, and DOM manipulation.

Responsibilities

• Develop responsive web apps using React 19, Next.js 16+, TypeScript, Tailwind CSS, and shadcn/ui.
• Architect Next.js apps with App Router, Server/Client Components, SSR/SSG/ISR, caching, and middleware.
• Translate Figma designs into pixel-precise UIs; contribute to design systems and document components with Storybook.
• Integrate RESTful APIs; manage state with TanStack and React Context.
• Optimize Core Web Vitals; implement code-splitting, lazy loading, and performance tuning across devices.
• Write clean code; develop tests (Jest, RTL, Cypress, Playwright); perform debugging and code reviews.
• Use Git workflows and support CI/CD pipelines (Vercel, AWS, Azure).
• Mentor junior/mid developers to raise engineering maturity.

Skills

React.js

Next.js

TypeScript

ES6+

HTML5

CSS3

Web accessibility

Tailwind CSS

Education

Bachelors degree in Computer Science, Engineering, or equivalent

Tools

UI toolkits (Radix, Material UI, Chakra)

Monorepos (Turborepo, Nx, pnpm workspaces)

Git & CI/CD (Vercel, AWS, Azure)

Job description

Job Title: Senior Front End Developer
Location: Plano, TX
Duration: 12 Months + Extension
Bill Rate: $86/hour (C2C)
Job Type: W-2, 1099, C2C
Client: To Be Discussed Later
Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Summary:

We are seeking a Senior Front End Developer with extensive hands on experience in React, Next.js, and TypeScript. You will build scalable, responsive, accessible, and high performance enterprise web applications. This role requires technical ownership and close collaboration with product, design, backend, QA, and architecture teams to deliver production ready front end solutions.

Responsibilities:

• Development: Build responsive web apps using React 19, Next.js 16+, TypeScript, Tailwind CSS, and shadcn/ui.
• Architecture: Utilize modern Next.js patterns including App Router, Server/Client Components, SSR/SSG/ISR, caching, and middleware.
• UI/UX: Translate Figma designs into pixel accurate user interfaces; contribute to enterprise design systems and document components via Storybook.
• Data & State: Integrate RESTful APIs with robust asynchronous handling; manage state using TanStack and React Context.
• Optimization: Maximize Core Web Vitals, code splitting, lazy loading, and bundle performance across devices.
• Quality & Testing: Write clean code; develop tests (Jest, React Testing Library, Cypress, Playwright); perform debugging and code reviews.
• DevOps: Utilize Git workflows and support CI/CD pipelines (Vercel, AWS, Azure).
• Leadership: Stay updated on industry trends; mentor junior and mid-level developers to improve engineering maturity.

Qualifications:

• Education: Bachelors degree in Computer Science, Engineering, or equivalent experience.
• Experience: 8+ years of professional front end or web development experience.
• Core Skills: Expert knowledge of React.js (hooks, context, lifecycle), Next.js, TypeScript, ES6+, HTML5, CSS3, and DOM manipulation.
• Styling & Systems: Deep experience with Tailwind CSS, mobile first design, web accessibility (WCAG), and component driven workflows.

Preferred Qualifications

• Next.js Advanced: Expertise in App Router, React Server Components, route handlers, revalidation, and SEO optimization.
• Tools & Libraries: Experience with UI toolkits (Radix, Material UI, Chakra) and monorepos (Turborepo, Nx, pnpm workspaces).
• Security & Infrastructure: Familiarity with authentication (OAuth, JWT), cloud platforms, and Agile/Scrum delivery environments.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.