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Hi, I’m Julian Castro Henao, a Systems Engineering student with a passion for building clean, scalable web applications. I enjoy turning ideas into working software using modern JavaScript technologies, with a mindset focused on architecture, performance, and user experience. I’m proficient in JavaScript, React, Node.js, NestJS, TypeScript, and PostgreSQL, and I strive to apply best practices to deliver maintainable, results-oriented solutions. I’m a collaborative problem-solver who values teamwork, clear communication, and high-quality code. I love tackling challenges, learning new technologies, and growing professionally by applying my growing toolkit to real-world projects in the technology sector.…Hi, I’m Julian Castro Henao, a Systems Engineering student with a passion for building clean, scalable web applications. I enjoy turning ideas into working software using modern JavaScript technologies, with a mindset focused on architecture, performance, and user experience. I’m proficient in JavaScript, React, Node.js, NestJS, TypeScript, and PostgreSQL, and I strive to apply best practices to deliver maintainable, results-oriented solutions. I’m a collaborative problem-solver who values teamwork, clear communication, and high-quality code. I love tackling challenges, learning new technologies, and growing professionally by applying my growing toolkit to real-world projects in the technology sector.

Julian Castro Henao

Full Stack Developer, Front-End Developer, Back-End Developer, +3

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Hi, I’m Julian Castro Henao, a Systems Engineering student with a passion for building clean, scalable web applications. I enjoy turning ideas into working software using modern JavaScript technologies, with a mindset focused on architecture, performance, and user experience. I’m proficient in JavaScript, React, Node.js, NestJS, TypeScript, and PostgreSQL, and I strive to apply best practices to deliver maintainable, results-oriented solutions. I’m a collaborative problem-solver who values teamwork, clear communication, and high-quality code. I love tackling challenges, learning new technologies, and growing professionally by applying my growing toolkit to real-world projects in the technology sector.…Hi, I’m Julian Castro Henao, a Systems Engineering student with a passion for building clean, scalable web applications. I enjoy turning ideas into working software using modern JavaScript technologies, with a mindset focused on architecture, performance, and user experience. I’m proficient in JavaScript, React, Node.js, NestJS, TypeScript, and PostgreSQL, and I strive to apply best practices to deliver maintainable, results-oriented solutions. I’m a collaborative problem-solver who values teamwork, clear communication, and high-quality code. I love tackling challenges, learning new technologies, and growing professionally by applying my growing toolkit to real-world projects in the technology sector.

Available to hire

Hi, I’m Julian Castro Henao, a Systems Engineering student with a passion for building clean, scalable web applications. I enjoy turning ideas into working software using modern JavaScript technologies, with a mindset focused on architecture, performance, and user experience. I’m proficient in JavaScript, React, Node.js, NestJS, TypeScript, and PostgreSQL, and I strive to apply best practices to deliver maintainable, results-oriented solutions.

I’m a collaborative problem-solver who values teamwork, clear communication, and high-quality code. I love tackling challenges, learning new technologies, and growing professionally by applying my growing toolkit to real-world projects in the technology sector.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Intermediate

Work Experience

Front-End Developer at Freelance / Personal Projects

January 1, 2023 - Present

Frontend development focusing on building React/TypeScript interfaces, component-based architecture, REST API consumption with Axios, state management with Redux and React Context, and responsive, accessible UI using Tailwind CSS, MUI, and SCSS. Collaboration using Scrum, version control with Git/GitHub, and emphasis on UI/UX and maintainable frontend.

Full Stack Developer at Gym Management System

January 1, 2023 - January 1, 2026

Developed a gym management platform where users can create and customize their own gym. Implemented roles and permissions for admins, trainers, and users. Created dashboards, training routines, and user administration features to streamline operations.