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I'm a Senior Frontend Engineer with 7+ years of experience delivering scalable, high-performance web applications. I specialize in React, TypeScript, Next.js, and modern frontend architectures. I have a strong track record refactoring legacy systems, optimizing performance, and collaborating with cross-functional agile teams to deliver business-driven solutions.…

DEIVIN ALFONSO GRANADOS MENDOZA

Front-End Developer, Web Developer, Full Stack Developer, +2

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I'm a Senior Frontend Engineer with 7+ years of experience delivering scalable, high-performance web applications. I specialize in React, TypeScript, Next.js, and modern frontend architectures. I have a strong track record refactoring legacy systems, optimizing performance, and collaborating with cross-functional agile teams to deliver business-driven solutions.…

Available to hire

I’m a Senior Frontend Engineer with 7+ years of experience delivering scalable, high-performance web applications. I specialize in React, TypeScript, Next.js, and modern frontend architectures. I have a strong track record refactoring legacy systems, optimizing performance, and collaborating with cross-functional agile teams to deliver business-driven solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Advanced

Work Experience

Senior Frontend Developer at EPAYCO / Davivienda

February 1, 2025 - Present

Led frontend refactoring using Next.js and TypeScript, improving maintainability and scalability. Built reusable UI components and complex data tables across financial platforms. Collaborated with cross-functional teams to deliver production-ready features.

Frontend Developer at Checkturn SAS

May 1, 2024 - June 1, 2025

Developed scalable applications using React and Next.js. Improved UI consistency and cross-browser compatibility. Enhanced performance and user experience.

Frontend Developer at Keoworld

May 1, 2022 - April 1, 2024

Built web applications using React and TypeScript. Integrated REST and GraphQL APIs. Worked with PostgreSQL in full-stack environments.

Frontend Developer at Checkturn SAS

April 1, 2018 - April 1, 2021

Delivered responsive user interfaces using React, HTML, and CSS. Improved UX and application performance. Worked in agile teams delivering production features.

Frontend Developer at Various / Additional Experience

January 1, 2020 - December 31, 2022

Built frontend features using Angular and React. Focused on UI improvements and maintainable components.