Kian Fontillas

Available to hire

Full-Stack Developer specializing in web and app development. I build modern, responsive, and reliable applications using React, TypeScript, Node.js, Express, and Python.

About

Full-Stack Developer specializing in web and app development. I build modern, responsive, and reliable applications using React, TypeScript, Node.js, Express, and Python. I can help transform your ideas into clean, functional, and user-friendly digital products.

  • Joined September 2026

Projects · 1

FitPilot AI is a full-stack fitness and nutrition web application designed to help users manage their workouts, meals, nutrition, and fitness goals in one place. The platform allows users to track daily meals and automatically extract nutrition information from natural-language food entries, monitor calories and macronutrients, follow personalized workout routines, and visualize their fitness progress through an intuitive dashboard. I developed the application with a modern full-stack architecture, combining React, TypeScript, Tailwind CSS, Node.js, Express, FastAPI, PostgreSQL, and AI-powered services. The system includes user authentication, onboarding, personalized calorie and macro targets, meal tracking, workout tracking, progress analytics, and an AI fitness coach. Key Features: AI-powered natural-language meal parsing Personalized calorie and macronutrient targets Workout routine and exercise tracking Daily nutrition and fitness dashboard Progress and performance analytics AI fitness coach User authentication and onboarding Responsive and modern UI REST API-based backend architecture FitPilot AI was built with a focus on creating a simple, practical, and user-friendly fitness experience while demonstrating modern full-stack development and AI integration.

  • App Developer
  • Web Developer

Work experience

Frontend Developer Intern · President Ramon Magsaysay State University, Iba, ZambalesDec 2025 – Apr 2026 · 5 mos

Engineered modern, user-centric web applications and dynamic user workflows to optimize and automate institutional operations. Built secure, intuitive frontend control panels for real-time review tracking, including specialized proposal evaluation pipelines that separated unassigned documents from active assignments. Helped conceptualize a minimalist Administrative Portal focused on data scannability while managing complex client-side state and integrating with backend services. Collaborated on backend integrations to ensure seamless client-server communication and to support efficient data models for institutional workflows.

Education

Bachelor of Science in Information Technology · President Ramon Magsaysay State University2022 – 2026

Hire Kian Fontillas today

Post a job and invite Kian, or contact them directly. No hidden commission.

Post a job