Remote Frontend Developer - TypeScript and React

Experience: 7.00 + years

Confidential (based on experience)

Shift : (GMT+05:30) Asia/Kolkata (IST)

Opportunity Type : Remote

Placement Type : Full Time Contract for 6 Months(40 hrs a week/160 hrs a month)

(*Note: This is a requirement for one of Uplers' client - Web3 Blockchain Company from USA)

Bundle analysis, commit hooks, ESLint/Prettier configs, Lighthouse, Node or Express, React profiler, Semantic HTML, Storybook, WCAG, MobX / Redux / Zustand, Playwright / Cypress, React 18, React Router, Vite/webpack, TypeScript

Web3 Blockchain Company from USA is Looking for

Frontend Engineer (React/TypeScript) — Product Upgrade Focus

We're looking for a Frontend Engineer to lead a modernization and feature upgrade of our React + TypeScript web app. This role is fully productaligned and does not involve blockchain or smart contracts.

Engagement: Longterm fulltime or parttime (minimum 10 hours/week)

About The Project

Our codebase (socialfi-caw-test-v1) is a React 18 + TypeScript application built with Vite. It includes routing, modular screens/components, UI themes, and an Express-based backend for auth/media. Your mandate is to elevate the frontend experience: performance, UX polish, component quality, accessibility, and

Own the frontend upgrade roadmap endtoend: discovery, plan, execution, and measurement

Refactor legacy components into clean, typed, reusable UI building blocks

Optimize performance (bundle size, code splitting, memoization, virtualization where needed)

Establish UI consistency via shared design tokens, themes, and component conventions

Raise product quality: accessibility (a11y), responsiveness, keyboard navigation, i18n readiness

Add automated tests (unit/integration/E2E) and adopt CIfriendly checks

Collaborate with design and backend to ship features with smooth handoffs

Required Experience

• 7+ years building production React apps with TypeScript
• Proficiency with modern bundlers (Vite/webpack), code splitting, and performance profiling
• Practical experience with state management (e.g., Comfort with routing solutions (React Router) and data fetching patterns
• Solid CSS skills (responsive layout, theming, CSSinTS or utility styles)
• Testing experience with one or more: Vitest/Jest, React Testing Library, Playwright/Cypress
• Excellent code quality habits: typings, reviews, linting, and maintainable abstractions

Familiarity with accessibility standards (WCAG) and semantic HTML

Experience building design systems or component libraries

Performance tuning (React Profiler, Lighthouse, bundle analysis)

Basic Node/Express understanding for local integration and API contracts

Performance improvements with measurable gains (LCP/TTI, bundle size)

A baseline test suite running in CI (unit + a few highvalue E2E checks)

React 18, TypeScript, Vite

React Router

Styling: theme tokens + CSS utilities (improve consistency, avoid oneoff styles)

Testing: Vitest/Jest, React Testing Library Playwright/Cypress for E2E

Quality gates: typesafe code, lintclean, tests where they add value

Intro chat (30 min): role, product, your experience

Technical short coding test (60 min): Code review and bug fixing

Team chat (30 min): product collaboration and ways of working

Step 3: Increase your chances to get shortlisted & meet the client for the Interview!

Our role will be to help all our talents find and apply for relevant contractual onsite opportunities and progress in their career. So, if you are ready for a new challenge, a great work environment, and an opportunity to take your career to the next level, don't hesitate to apply today.