Hello, I'm

Ruhi Chandra

Senior Frontend Engineer

Building seamless digital experiences that users love

I craft performant, accessible web applications with 9.5+ years of expertise spanning fintech, e-commerce, and enterprise platforms. Currently at Worldline, I lead frontend initiatives using React, Next.js, and TypeScript to deliver scalable solutions that drive business impact.

9.5+ Years ExperienceAWS CertifiedBased in Netherlands
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Experience

Worldline

Jan 2023 — Present

Hoofddorp, Netherlands

Senior Frontend Developer

  • Led frontend development of the API Explorer, a merchant-facing tool built with Next.js, to test and integrate payment APIs instantly — significantly reducing manual integration effort
  • Collaborated with backend engineers, designers, and product owners to deliver a unified, high-performance developer experience with real-time validation and feedback
  • Contributed to migration of hosted payment checkout page to React, improving load time by 25%, and enhanced the Admin Tool by contributing to decoupling of the frontend from a monolithic codebase
  • Implemented accessibility standards (WCAG 2.1) and modular React components for improved scalability and maintainability
Next.jsReactTypeScriptWCAG 2.1REST APIs

Walmart

Jul 2019 — Nov 2022

Bengaluru, India

Senior Software Engineer

  • Led frontend development of the Physical Gift Card feature, collaborating with Product, Design, Backend and Accessibility teams to deliver a unified checkout experience
  • Developed key features for Walmart Beta, including slot booking for elderly and differently-abled users, Wireless Postpaid, and Gift Registries
  • Optimized performance by implementing script prefetching, achieving a 21% improvement in 95th percentile load times
  • Built automated testing setup with Magellan and Nightwatch for Walmart Blue+, improving testing efficiency for critical features
  • Developed geo-restriction handling for add-on services on Checkout using React 16 and Redux
ReactTypeScriptGraphQLReact QueryReduxNightwatch

Oracle

Jul 2018 — Jul 2019

Bengaluru, India

Member of Technical Staff

  • Developed 'Deep Mapping' feature to streamline data mapping across two applications, reducing mapping time for 1,000+ ICS customers
  • Migrated JET Mapper to a REST-based architecture, creating REST APIs and restructuring client-side code for improved scalability
  • Enhanced JM component with bug fixes, prefix support for Oracle functions, and optimized exception handling
Oracle JETKnockoutJSXSLREST APIsJavaScript

Publicis Sapient

Jun 2016 — Jun 2018

Bengaluru, India

Associate

  • Developed and optimized UI components for home, product pages and transactional pages using JavaScript, jQuery, HTML5, and CSS
  • Executed A/B test solutions through Adobe Target, comparing multiple UI versions and collecting actionable data to refine website user experience and improve conversion rates
JavaScriptjQueryHTML5CSSAdobe Target

Skills

Frontend

  • React
  • Next.js
  • TypeScript
  • JavaScript
  • HTML5
  • CSS3
  • SCSS
  • Tailwind CSS
  • GraphQL
  • Ant Design
  • Material UI
  • WCAG 2.1

Backend

  • Node.js
  • Express.js
  • GraphQL (Apollo)
  • REST APIs

Testing

  • Jest
  • React Testing Library
  • Cypress
  • Playwright
  • TestCafe
  • Magellan

Cloud

  • AWS
  • Vercel

Build & DevOps

  • Webpack
  • Rollup
  • Babel
  • Git
  • Jenkins

Projects

Technical Writing

Sharing insights from real-world development challenges

Contact

I'm currently looking for any new opportunities as a Frontend or a fullstack JS developer.

Whether you have a question or just want to say hi, I'll get back to you!

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