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Senior / Lead Web Developer – React / Design Systems | Remote Canada / Nearshore Canada

  • Source: LinkedIn
  • Diligente Technologies
  • Remote
  • Canada
  • Senior

Job Description

We’re looking for Senior to Lead-level Web Developers with strong hands-on experience in React, JavaScript/TypeScript, design systems, large-scale codebase migrations, and modern front-end engineering .

📍 Location: Remote – Canada / Nearshore Canada

💼 Level: Senior to Lead

🖥️ Focus: React | TypeScript | Design Systems | Web Modernization

Seeking Senior to Lead-level Web Developers with strong hands-on experience in:

Must Have:

  • React + JavaScript/TypeScript
  • HTML/CSS, Responsive Design, CSS Modules, Design Tokens/Theming
  • Large-scale refactoring, codemods & code migrations
  • GitHub, PR reviews/approvals, Git & CI/CD
  • Playwright – MUST HAVE (visual regression/screenshot testing)
  • Redux or similar state management
  • Strong engineering/problem-solving skills
  • Agile/Scrum experience
  • AI coding agents / MCP-assisted workflows (Claude Code)

Preferred:

  • Reusable Component Libraries / Design Systems
  • Emotion / styled-system → CSS Modules migration
  • Storybook, Jest / React Testing Library
  • WCAG 2.1/2.2, ARIA
  • SSR / Isomorphic React
  • Monorepo tooling
  • Node.js / REST APIs
  • Java / Spring Boot

🎯 Ideal Background

We’re especially interested in engineers who have hands-on experience modernizing large React codebases , migrating styling/design-system implementations, performing codemods and large-scale refactoring , and working through GitHub-based PR/review workflows .

Candidates should be comfortable operating at a Senior/Lead engineering level , contributing to architecture and migration decisions while remaining highly hands-on.

Skills

  • React
  • javascript
  • TypeScript
  • microsoft-typescript
  • css-modules
  • Github
  • Playwright
  • reduxjs
  • claude-code
  • emotion
  • storybook
  • Jest
  • react-testing-library
  • NodeJS
  • Java
  • spring
  • spring-boot
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