Ramón Polidura Rueda

London, UK

Senior Frontend Developer with 16+ years of experience building scalable web and mobile applications using TypeScript, React, and React Native. Experienced leading frontend teams, architecting complex UI systems, and delivering high-impact SaaS products across e-commerce, healthtech, and enterprise platforms.

GitHub

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:
CursorCursor IDE
JiraJira
GitHubGitHub
FigmaFigma

Experience

Passion.io, London | Senior Fullstack Developer | August 2025 – April 2026

  • Built a cross-platform mobile app builder using React Native, enabling 10k+ creators to reach millions of users.
  • Developed an AI-powered onboarding flow using LLM APIs, reducing setup time and increasing activation and subscriptions, including a feature for creators to generate a voice-based “you-AI” avatar from uploaded content.
React NativeTypeScriptExpo.ioGraphQLJest

Collekt.ai, London | Lead Frontend Developer | October 2024 – May 2025

  • Led a team of 3 engineers to deliver an automated agent calling interface, increasing collections by 20%.
  • Streamlined a campaign management tool, enabling managers to optimise customer engagement through an intuitive, high-performance UI, while improving delivery through end-to-end ownership and increased test coverage.
React.jsTailwindTypeScriptRemix