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Combining robust web development expertise with strong problem-solving and customer support skills, I build reliable, scalable, and user-centered digital solutions. Skilled in React, Next.js, and TypeScript, with experience in SQL, API integration, and backend development using Java. I bridge the gap between technical performance and user satisfaction through collaboration, communication, and continuous improvement.…Combining robust web development expertise with strong problem-solving and customer support skills, I build reliable, scalable, and user-centered digital solutions. Skilled in React, Next.js, and TypeScript, with experience in SQL, API integration, and backend development using Java. I bridge the gap between technical performance and user satisfaction through collaboration, communication, and continuous improvement.

Milton Sánchez

Front-End Developer, Web Developer, Programmer, +5

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Combining robust web development expertise with strong problem-solving and customer support skills, I build reliable, scalable, and user-centered digital solutions. Skilled in React, Next.js, and TypeScript, with experience in SQL, API integration, and backend development using Java. I bridge the gap between technical performance and user satisfaction through collaboration, communication, and continuous improvement.…Combining robust web development expertise with strong problem-solving and customer support skills, I build reliable, scalable, and user-centered digital solutions. Skilled in React, Next.js, and TypeScript, with experience in SQL, API integration, and backend development using Java. I bridge the gap between technical performance and user satisfaction through collaboration, communication, and continuous improvement.

Available to hire

Combining robust web development expertise with strong problem-solving and customer support skills, I build reliable, scalable, and user-centered digital solutions.

Skilled in React, Next.js, and TypeScript, with experience in SQL, API integration, and backend development using Java. I bridge the gap between technical performance and user satisfaction through collaboration, communication, and continuous improvement.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Advanced

Japanese

Beginner

Work Experience

Frontend Web Developer at Grupo ESIS SRL

October 1, 2021 - November 5, 2025

Develop web apps for schools and businesses. Utilize React, Next.js and TypeScript to build modern and scalable interfaces. Focus on user experience, performance, and intuitive design.

Frontend Web Developer at Grupo ESI

January 1, 2021 - November 6, 2025

Frontend Web Developer specialized in React, Next.js, and TypeScript, with experience building web applications for schools and businesses. Passionate about creating intuitive interfaces and scalable solutions that enhance user experience and streamline digital processes.

Front-end Developer at Grupo ESIS SRL

October 1, 2021 - November 1, 2025

Frontend Developer at Grupo ESIS SRL, Mar del Plata, Buenos Aires Province, Argentina (Oct 2021 - Nov 2025). Led architecture and development of modular UI architectures using React, Next.js, and TypeScript; achieved high software stability with near-zero frontend bug reports. Implemented mobile-first responsive interfaces enabling sales and warehouse teams to manage ERP data from handheld devices. Integrated ERP data through REST APIs, optimizing performance and usability for non-technical users. Independently managed the full lifecycle and deployment of three production apps on private servers using Nginx and PM2.

Web Developer at Grupo ESI S.R.L.

October 1, 2021 - November 1, 2025

Frontend developer building custom web applications on top of the company's ERP platform for educational and commercial sectors. Architecture & Development: Designed and built modular UI architectures using React, Next.js, and TypeScript; achieved high software stability with near-zero frontend bug reports. Mobile-First Design: Developed responsive interfaces optimized for mobile portability, enabling sales and warehouse teams to manage ERP data directly from handheld devices. Data Integration: Integrated ERP data through REST APIs, optimizing performance and usability for non-technical users. Backend Development: Maintained and enhanced a Java-based API responsible for synchronizing the ERP system with e-commerce platforms, ensuring data consistency, reliability, and performance over 2 years of operation. Deployment & Stability: Independently managed the full lifecycle and deployment of three production apps on private servers using Nginx and PM2.