Miguel Carvajal Hang

Miguel Carvajal Hang

Frontend Developer | Full Stack Background

Frontend Developer with experience developing digital products in startup and international environments. Specialized in React and performance, with a strong focus on clean code, user experience, and technical alignment with business goals. Full stack background that facilitates collaboration with backend, product, and stakeholders.

In my free time I enjoy training and taking on sporting challenges. In 2025 I finished my first marathon.

Core Stack: JavaScript React HTML CSS Node.js MongoDB MySQL
Market: International · Remote

Professional Summary

Frontend Developer with more than 5 years of experience in the development of web applications and scalable digital products. Specialized in React, frontend architecture, and performance optimization, with previous experience as a Full Stack Developer and technical leadership. Accustomed to working in agile environments, collaborating with multidisciplinary teams, and aligning technical decisions with product and business.

Professional Experience

Frontend Engineer

Reveni

2022 — Present
  • • Development and maintenance of the product's complete frontend.
  • • Implementation of scalable and performance-optimized interfaces.
  • • Close collaboration with product and backend to improve user experience.
ReactJS Styled Components Vite

App Developer / CTO

New Insurance Broker Web

2019 — 2022
  • • Development of the main mobile application of the product.
  • • Creation and evolution of the company's internal system.
  • • Redesign of the technical architecture to improve scalability and maintenance.
  • • Role evolution: developer → technical project manager → CTO.
Ionic Laravel Vue React

App Developer

Armadillo Amarillo

2018 — 2019
  • • Development of applications for external clients and internal products.
  • • Outsourcing period in Acciona's innovation department.
  • • Participation in experimental and technological projects.
Ionic Laravel RPAS Blockchain

Web Programmer

Infortect Ingeniería S.L.

2017 — 2018
  • • Development of web applications for external clients.
  • • Participation in full stack projects from initial phases.
AngularJS Node.js MongoDB .NET MySQL

Education

Higher Degree in Web Application Development (DAW)

Education complemented by continuous self-taught learning and practical experience in real products.

Methodologies and Workflow

Agile / Scrum Jira Git / GitHub Code Reviews CI/CD

Professional Approach

I started my career as a Full Stack Developer with an interest in all areas of software development. In recent years, I have specialized in frontend, focusing on creating robust, maintainable, and product-oriented interfaces, without losing the global vision of the system.

I am especially motivated by solving complex technical problems, improving user experience, automating processes, and bringing real value to the business through development.

Projects

Tracebck

Lightweight session recording and replay platform for web apps. Captures every click, scroll, and interaction to find bugs, improve UX, and boost conversions.

React Node.js TypeScript
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