Hey I’m Carlos. Welcome to my slice of the web!
I’m a Frontend Engineer with 5+ years of experience, known for pixel-perfect execution and strong attention to small details.
Skilled in Next.js, React, TypeScript, and modern front-end technologies; building high-quality, user-centric web and mobile applications.

Carlos Daniel Dubón
Senior Frontend Engineer at KEMIK.com
My tech stack
From my blog, development insights.
Experience that speaks for itself.
My work history
Senior Frontend Engineer at KEMIK.com
October 2023 - Present
Developed Guatemala’s leading e-commerce platform from the ground up, focusing on performance, SEO, and user experience.
- Built the frontend using Next.js, React.js, TypeScript, TailwindCSS, and TanStack Query, enhancing functionality and responsiveness.
- Implemented SEO optimization strategies to enhance search engine rankings, achieving a high Core Web Vitals score.
- Used bare React Native to build the mobile app, ensuring enhanced control over performance and architecture.
- Built core functionalities from the ground up, prioritizing performance and minimizing dependency on third-party libraries.
- TypeScript
- Next.js
- React
- TanStack Query
- React Native
- Tailwind CSS
- Figma
- Teamwork
- Problem solving
Lead Frontend Engineer at Yalutec
February 2023 - September 2023
Lead Frontend Engineer for MigoPayments, a hosted checkout platform similar to Stripe Checkout, enabling merchants to offer multiple payment methods via a secure checkout flow for brands such as McDonald’s, CMI, CBC, Coppel, and Elektra.
- Built a scalable, high-performance checkout application using Next.js, React.js, TypeScript, and TailwindCSS, supporting multiple payment methods (cards, installments, PayPal, and cash-based options)
- Architected and implemented end-to-end payment flows, including transaction handling, secure data collection, and 3D Secure (3DS) authentication across multiple providers.
- Integrated payment processors such as Visa Cybersource, Adyen, and PayPal, ensuring PCI DSS-compliant transactions and reliable processing.
- Optimized performance and user experience at the final step of the purchase journey, improving checkout reliability and conversion across multiple merchants and industries.
- TypeScript
- Next.js
- React
- TailwindCSS
- Figma
- Agile
- Teamwork
- Problem solving
Lead Frontend Engineer at Pentcloud
August 2021 - January 2023
Lead Frontend Engineer for Jequi, an HR and people management platform designed to help companies manage employee performance, engagement, and organizational structure.
- Built and architected the frontend from the ground up using React, Next.js, TypeScript, TailwindCSS, and GraphQL, ensuring scalability and maintainability.
- Built employee management, org charts, and performance review workflows (including 360° reviews and feedback).
- Reduced load times and improved responsiveness across data-heavy interfaces through optimized data fetching and state management.
- TypeScript
- Next.js
- React
- TailwindCSS
- Figma
- GraphQL
- Teamwork
- Problem solving
Education
Bachelor of Science in Systems Engineering at Universidad de San Carlos de Guatemala
2019 - 2023
Thesis centered on blockchain-powered digital voting systems.
- Java
- JavaScript
- Python
- Advanced Databases
- Systems Design
- Distributed Systems
- Software Engineering
- Teamwork
High School Diploma at Our Lady of Mount Carmel High School
2014 - 2018
Graduated with first-class honors.
- Participated in the 2017 National Raspberry Pi Jam on behalf of my academic institution, where we received a special mention.
- HTML
- CSS
- JavaScript
- Python
- Raspberry Pi


