Sergio Xalambrí
Web Developer at Daffy
Lima, Lima, Peru
Summary
🤩
Rockstar🎓
Top SchoolSergio Xalambrí is a Web Developer with 11 years of experience leading frontend architecture and full-stack projects across startups and education initiatives in Lima. He has driven performance-first frontend builds at Able, improved data fetching and caching strategies to deliver instantaneous client-side navigations, and currently contributes to impactful OSS like Vercel’s SWR and Next.js. Author of a Spanish book on React and Redux and former instructor at Platzi and Codeable’s bootcamp, he blends hands-on engineering with teaching—18 of 19 students in his cohort landed jobs in the first year. His open-source work includes pragmatic examples (optimistic UI, SSR, SSE) and authentication utilities for Remix, reflecting a knack for developer ergonomics and real-time features. Comfortable across the stack, he pairs production deployment fixes (Vercel) with client-side UX optimizations, and quietly prefers solving data-sync problems between tabs and devices.
11 years of coding experience
6 years of employment as a software developer
E.T. N°11 D.E. 6 "Manuel Belgrano"
Spanish, English
Stackoverflow
1,074reputation
56kreached
16answers
0questions
Github Skills (69)
ui-components10
authentication10
remix10
dns10
jtest10
object-cache10
javascript10
fetchr10
jes10
front-end-development10
sse10
typescripts10
deploying10
static-site-generator10
typescript10
Programming languages (8)
Github contributions (5)
sergiodxa/remix-auth
Jul 2021 - Nov 2022
Simple Authentication for Remix
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:33 releases, 71 reviews, 101 commits in 1 year 4 months
Contributions summary:Sergio primarily contributed to the authentication strategies within the Remix framework, adding new strategies like OAuth2, Auth0, GitHub, and Google, while also modifying existing ones. Their work included implementing basic authentication, and customizing authentication flows by adding functionality to validate email addresses. Furthermore, the user integrated ESLint and Prettier for code quality and fixed bugs, demonstrating a focus on both functionality and code maintainability. The user also set up Jest and added tests, increasing code coverage significantly.
reactauthenticationoauth2auth0typescript
sergiodxa/remix-utils
May 2021 - Jan 2023
A set of utility functions and types to use with Remix.run
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:63 releases, 119 reviews, 150 commits in 1 year 8 months
Contributions summary:Sergio primarily contributed to the development of utility functions and components for the Remix.run framework. They created several key features, including a useHydrate hook, a ClientOnly component for conditional rendering, and response helper functions. The user also implemented CSRF protection and added functionality for server-sent events.
utility-functionsreactremix-runtypescriptremix
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