ALBINO ANTONIO M. CHANGO
Profile
Results-driven Full-Stack Engineer building scalable, production-ready web applications using React, Node.js, Firebase, and modern databases. Specializes in modular frontend architectures, secure backend APIs, and automated CI/CD pipelines. Experienced in containerization, cloud deployment, and performance optimization, with strong adherence to clean code, testing, and version control best practices.
Work Experience
TECHRAYS LABS
Fullstack Software Developer
React, TypeScript, Node.js, Express, MongoDB, MySQL/PostgreSQL, Tailwind CSS, Docker, Vercel, Git/GitHub
- •Developed modular, production-ready MERN features using reusable React components and Hooks, improving UI consistency and accelerating feature delivery.
- •Built and maintained secure, scalable RESTful APIs with Node.js and Express, applying middleware patterns and authentication to protect user data.
- •Designed and optimized MongoDB schemas and integrated relational workflows with MySQL/PostgreSQL to support multi-model data requirements and improve query performance.
- •Implemented component-driven UI systems with Tailwind CSS to deliver responsive, accessible, and cross-device user experiences.
- •Containerized development and deployment environments with Docker and standardized CI/CD workflows on Vercel, reducing environment-related issues and accelerating release cycles.
- •Led Git-based workflows including feature branching, pull requests, and code reviews to maintain clean, version-controlled codebases and strengthen team collaboration.
- •Diagnosed and resolved performance bottlenecks, applying rendering and optimization techniques to improve application responsiveness and reliability.
Projects
Project Image
Recibo Aki
Recibo Aki
Dec 2025
Built a full-stack invoice SaaS platform with modular architecture and responsive UI. Designed secure REST APIs and authentication system. Integrated mobile payments and subscription billing. Implemented real-time sync and analytics dashboard. Automated development and production deployment. Enabled PDF generation and WhatsApp sharing.
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Healthcare Appointment System
Healthcare Appointment System
May 2025
Designed and developed a secure hospital appointment management system. Implemented authentication and cloud-backed data services. Built real-time scheduling and synchronization workflows. Integrated role-based access control and input validation. Containerized development environments and enforced collaborative workflows.
Technical Skills
Core Technologies
Frameworks & Libraries
Databases
Tools & Platforms
Practices & Concepts
Education
GUJARAT TECHNOLOGICAL UNIVERSITY
Bachelor of Engineering
Major in Computer Engineering
Gujarat, India
Expected 2027
Certificates
Learn How To Build Amazing Websites with HTML, CSS, and JavaScript
UDemy, 2023
IBM Back-End Development Professional Certificate
COURSERA, 2025