Front End Developer

Valiant Technologies LLC; Mendota Heights (MN); On-site; USD 120,000 - 160,000; Full time

Job summary

Valiant Technologies LLC in Mendota Heights, MN seeks a Senior Front End Developer skilled in React, Next.js and TypeScript to build scalable, accessible enterprise web apps and take technical ownership.

You will work with product, design, backend, QA and architecture teams to deliver production-ready front end solutions, implement App Router patterns, optimize Core Web Vitals, and mentor junior developers while contributing to design systems and CI/CD pipelines.

Qualifications

• Extensive hands-on experience with React, Next.js, and TypeScript.
• Build scalable, responsive enterprise web apps with accessible UI.
• Collaborate with product, design, backend, QA and architecture teams.

Responsibilities

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

Skills

React.js

Next.js

TypeScript

HTML5

CSS3

Tailwind CSS

WCAG accessibility

Storybook

Education

Bachelor's degree in Computer Science or related field

Tools

Storybook

Jest

Cypress

Playwright

Git

CI/CD

Vercel

AWS

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

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.

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.