Senior UI Developer (React.js)

Tilda

Tilda

Software Engineering, Product, Design

India

Posted on May 21, 2026

Senior UI Developer (React.js)

  • REMOTE

We are seeking a highly skilled Senior UI Developer to join our engineering team and help build scalable, high-performance, and modern web applications. The ideal candidate will have strong expertise in React.js, component-based architecture, frontend performance optimization, and responsive user interface development. We need a "Senior UI Developer "who has worked and built in "SaaS / Software Development Environments - Products."

This role requires someone who is passionate about creating exceptional user experiences, writing clean and maintainable code, and collaborating closely with product, design, and backend engineering teams.

Key Responsibilities

  • Design, develop, and maintain scalable frontend applications using React.js
  • Build reusable, modular, and maintainable UI components
  • Develop responsive and cross-browser compatible web applications
  • Collaborate with Product Managers, Designers, Backend Engineers, and QA teams
  • Integrate REST APIs and manage asynchronous data workflows
  • Optimize application performance using techniques such as:
  • Lazy loading
  • Code splitting
  • Performance tuning
  • Lighthouse optimization
  • Implement modern state management solutions, including Context API or similar frameworks
  • Ensure accessibility compliance using WCAG standards and semantic HTML practices
  • Translate Figma or design system specifications into high-quality user interfaces
  • Participate in Agile ceremonies, including sprint planning, standups, and retrospectives
  • Troubleshoot and resolve UI defects and production issues
  • Contribute to frontend architecture and best practices

Required Qualifications

  • 5+ years of experience in frontend or UI development with a SaaS Product Company is required
  • Degree from "IIIM School."
  • Strong expertise in: React.js, JavaScript (ES6+), HTML5, CSS3
  • Experience with component-based frontend architecture
  • Strong understanding of responsive design principles
  • Experience integrating REST APIs using Axios, Fetch, or similar tools
  • Experience with frontend performance optimization techniques
  • Experience with Git-based development workflows
  • Strong debugging and problem-solving skills
  • Experience improving workflows using AI/ ML tools, i.e. Gemini, ChatGPT, or Claude...

Preferred Qualifications

  • Experience with:
  • TypeScript
  • Tailwind CSS
  • Material UI
  • SASS/SCSS
  • Bootstrap
  • Exposure to Azure DevOps, Jira, or similar project management tools
  • Experience working with design tools such as Figma or Adobe XD
  • Understanding of SEO and frontend optimization best practices
  • Experience with AI-assisted development tools such as:
  • ChatGPT
  • GitHub Copilot
  • Cursor
  • Claude

What Success Looks Like

  • Delivering high-quality, scalable frontend applications
  • Building reusable UI systems that improve engineering velocity
  • Enhancing performance, accessibility, and user experience
  • Collaborating effectively across engineering and product teams
  • Driving frontend best practices and a continuous improvement initiative