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Work experience // Production

ESPN.COM
Case Study

Frontend development, performance optimization, and large-scale web applications on one of the world's highest-traffic sports platforms, serving millions of daily users.

Live Production Oct 2021 — Present
Role info
Daily users: M+
Role: Engineer
Since: 2021
Company: Globant
Client: Disney / ESPN
Visit ESPN.COM →

At Globant, I collaborate with Disney to enhance and maintain ESPN.com, focusing on scalability, clean architecture, and high-quality user experiences. ESPN.COM is one of the most visited sports websites globally, operating at a scale that demands rock-solid reliability, sub-second performance, and strict accessibility compliance.

My work includes migrating legacy systems to modern React-based SSR frameworks, implementing GraphQL and TypeScript, and integrating analytics and performance monitoring tools. I also contribute to new initiatives like ESPN Bet, ESPN Fantasy and internal tools.

Languages
TypeScriptJavaScript
Frontend
ReactMobXTanStackCSS Modules
Backend / Infra
Node.jsGraphQLHAProxyApache
Testing
VitestJestMocha
Analytics
Adobe Analytics
Tooling
JiraGitSSR frameworks
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Front-end Modernization

Contributed to the migration of ESPN.com from a legacy stack to a modern React-based SSR framework, improving performance and maintainability.

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Real-time Chat Rebuild

Rebuilt the ESPN Fantasy chat system, replacing the legacy implementation with a real-time solution integrated into the SSR architecture without disrupting live users.

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ESPN Bet Collaboration

Collaborated on the launch of ESPN Bet, building UI components and integrating the betting experience into the existing ESPN.com product ecosystem.

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CMS Internal Tooling

Maintained and extended the internal Content Management System used by editorial and product teams, ensuring reliability and feature velocity.

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On-call Engineering

Served as on-call engineer resolving critical production incidents on a platform serving millions of daily users, minimizing downtime.

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Redirect Infrastructure

Managed website redirect rules using HAProxy and Apache across a complex multi-domain sports platform with thousands of active URL patterns.

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Accessibility & Performance

Implemented WCAG-compliant UI components and contributed to Core Web Vitals improvements, applying SSR and performance best practices at scale.