Ramón Polidura Rueda

London, UK

Front end Engineer with 14 years of experience building web and native applications using TypeScript. Collaborative developer with a passion for mentoring and elevating team performance in fast-paced environments. Deliver high-impact solutions across e-commerce, healthtech, and enterprise platforms. Solve real-world problems through clean code and thoughtful UI. Bring deep technical expertise and a strong track record from concept to launch.


Tech Stack

Languages:
HTML5HTML
CSSCSS
JavaScriptJavaScript
TypeScriptTypeScript
Frameworks:
ReactReact.js
RemixRemix
Next.jsNext.js
ExpoExpo.io
Testing:
Testing LibraryReact testing library
JestJest
CypressCypress
StorybookStorybook
Tools:
OpenAIChatGPT
CursorCursor IDE
JiraJira
GitHubGitHub
SlackSlack
FigmaFigma

Experience

Passio.io, London | Senior JavaScript Engineer | 08/2025 – Present

  • Implemented advanced JavaScript features in a fast-paced environment, maintaining high code quality and delivering impactful solutions for customers.
  • Developed a new user interface that enhanced user interaction and improved the overall experience for millions of Passion.io users.
  • Collaborated with product and design teams to deliver scalable, maintainable features that aligned with business goals and user needs.
React NativeReact.jsTailwindTypeScriptExpo.ioGraphQLApollo

Silicon Rhino, London | Front-end Developer | 07/2020 – 09/2024

  • Spearheaded the front-end department helping deliver MVPs that launched successful products using best practices and mentoring junior and mid-level engineers.
  • Delivered four major projects and helped on 3 more:
    • E-commerce Website (UK & Ireland): Shopify site with cart, payments, discount codes, blog, and CMS serving a large customer base.

    • Breast Cancer Monitoring Website (US): Diagnosis tracking, specialist recommendations, useful help, monthly check-ups.

    • Team Assessment Web questionnaire: Feedback platform to support a bestselling book launch with secure login, anonymous surveys, and results comparison.

    • Startup Investment Website: Built tools for managing funding rounds including broker communication, investor matching, and asynchronous chat.

    • Along with: An adventure sports mobile React Native app, a web screen conversation transcriber and a web sound recorder.

  • Refactored the base code to make use of the new App directory in Next.js v13, used in subsequent projects where the devs were onboarded by me.

React.jsNext.jsReact NativeMobXMaterial UIStorybookChakraNode.jsCypressReact Testing Library