Jose Ramirez Mora

Personio · Amsterdam, NL

HR Platform for SMEs.

• Cut p75 LCP 21% in real-user monitoring (RUM) across high-traffic product surfaces by eliminating unused JavaScript and re-drawing bundle boundaries.
• Defined and owned the frontend integration model for company-wide groups management — shipped the first production use case to all customers and established a pattern now reused across 3+ product domains.
• Eliminated dual data-access patterns within domain modules, consolidating integrations under a single GraphQL layer and preventing further architectural drift.
• Driving an effort to connect design-system components directly to product-domain data sources, so teams reuse a single integration instead of re-wiring it — reducing duplication, stale API usage, and UX drift across the system.

Personio · Amsterdam, NL

HR Platform for SMEs.

• Owned frontend delivery of the central UI rebrand within my product domain — coordinating +12 domain stakeholders and running a full-domain release with parallel UI to ensure parity at launch.
• Designed reusable geolocation and mapping infrastructure (location services + UI components), enabling multiple product teams to ship location-based features without duplicating third-party integrations.
• Built reusable cross-product components, reducing duplication and improving UX consistency.
• Led migration of 5 applications off a legacy frontend monolith onto the modern modular stack, escaping a slow, risky, debt-accumulating codebase in favor of one where features ship reliably.
• Established recurring frontend architecture forum to increase cross-team alignment and reduce implementation drift.

DAZN · Amsterdam, NL

Global sports streaming and video on demand service.

• Designed and implemented governance tooling for headless CMS architecture, enabling multiple teams to create and manage content models with consistent validation and version control.
• Contributed to architectural evolution of landing pages micro-frontend toward Server-Driven UI (Next.js), decoupling layout control from frontend release cycles.
• Drove adoption of the Design System library across 3+ frontend teams, conducting guidance and code reviews that improved brand consistency, accessibility compliance, and reduced per-team UI implementation time.
• Optimized CI pipelines for large monorepo, improving feedback reliability and strengthening release confidence.
• Standardized automated release workflows for cross-team libraries, reducing manual publishing errors and version drift.

DAZN · Amsterdam, NL

Global sports streaming and video on demand service.

• Delivered features for landing pages micro-frontend using React, TypeScript, and CSS-in-JS within a multi-team growth domain.
• Created Design tokens naming standardization for the DAZN Design System.
• Led development of core design system components and design tokens, establishing atomic component patterns adopted across web applications.
• Built shared internationalization utilities for formatting dates, times, and currencies across product surfaces.
• Presented architectural updates and proposals in frontend guild and technical council forums.

Travix · Amsterdam, NL

Online travel agency

• Established cross-team frontend collaboration across 4 product teams, aligning on shared architecture decisions and reducing duplicated implementation efforts by consolidating common patterns into shared libraries
• Active participant in the performance guild, looking after new strategies and options, helping define the organisation's Frontend strategy.
• Created multiple proposals for different upcoming and ongoing technical challenges.
• Designed a responsive desktop solution for the new platform.
• Mentored individuals in and outside the company and technically led a product team through development cycles.

Travix · Amsterdam, NL

Online travel agency

• Designed backend for Frontend, being this a standard and widely adopted service by the entire platform.
• Creator of a shared internal logging library for the server and client side, aligning logging standards and capabilities across the company.
• Contributed to new architecture development, building and migrating features towards a dynamic frontend platform and design system in React and Typescript.

Travix · Amsterdam, NL

Online travel agency

• Setup new frontend observability metrics.
• Maintain legacy observability services written in golang.
• Part of a product team working on cross-sell products for the company.

First Factory · Heredia, CRC

Nearshore software development.

• Lead development teams for multiple clients based in NYC.
• Collaboration and decision in web apps architecture for multiple projects
• Delivered multiple frontend projects in React, Angular and Nodejs.
• Mentored engineers spanning multiple teams and projects.
• Created multiple prototypes for mobile and web apps.
• Contributed to practice management software for healthcare written in Angular 1.x and C#.

GBSYS · Curridabat, CRC

Technology consultancy company.

• Contributed to a web application in ASP.NET(C#).
• Contributed to Titanium Appcelerator mobile application.

3WV · San Jose, CRC

Web marketing agency.

• Contributed to multiple web applications in ASP.NET.
• Contributed to desktop application in C# .NET.