Pinoccchiooo avatar

Jan Miko A. Guevarra

Digos City, Philippines

Software Developer

About

I build practical software for real teams, organizations, and businesses that need better workflows, reliable systems, and tools people can actually use every day.

Most of my work comes from real projects across government, healthcare, education, business, finance, inventory, and internal operations. I usually build systems that help reduce manual work, organize data, improve tracking, and make daily processes easier to manage for both users and admins.

My strongest areas are full-stack web development, cross-platform mobile app development, admin dashboards, database-driven systems, and AI-powered features that solve actual problems. I focus on building software that is not only clean and modern, but also usable, maintainable, and ready for real-world use.

Contact

Experience

Full-Stack Developer for Web, Mobile, and AI Projects
2022-Present
Freelance client projects across government, healthcare, education, and business
AI Integration Specialist
2024-Present
Gemini, OpenAI, and MediaPipe across production-style workflows
Multi-platform Developer
2022-2024
Flutter delivery across Android, iOS, Web, Windows, Linux, and macOS
BS Computer Science
Expected 2027
Cor Jesu College

Tech Stack

Frontend

JavaScriptTypeScriptReactNext.jsFlutterTailwind CSS

Backend

Node.jsNestJSPythonJavaREST APIsWebhooks

Database & Backend Services

PostgreSQLSupabaseFirebaseFirestoreNeonCloudflare D1

Mobile & App Development

FlutterReact NativeExpoAndroidiOSApp Store Connect

AI & Machine Learning

OpenAIGeminiClaudeMediaPipePyTorchCNN Models

Cloud, Hosting & Storage

VercelRenderCloudflare WorkersCloudflare R2AWS RDS

Tools & Workflow

GitGitHubDockerPostmanFigmaXcode

GitHub

Loading contributions...

Recent Projects

InCloud System

Web + MobileClientBusinessHybrid

Cloud inventory system for J.A's Food Trading.

Web: Next.js admin dashboard | Mobile: Flutter customer app | Real client: J.A's Food Trading

Next.js 15React 19FlutterTypeScriptSupabaseGemini AI
Screenshots
95 screenshots across 21 sections

HealthCardGo

Web PlatformClientHealthcareWeb

Healthcare appointment and surveillance system.

Real client: City Health Office of Panabo City, Davao del Norte | 5-role RBAC | SARIMA forecasting | Real-time notifications

Next.js 16React 19TypeScriptSupabaseTanStack QueryChart.js
Screenshots
40 screenshots across 12 sections

JobSync

Web PlatformClientGovernmentWeb

AI job matching and applicant ranking system.

Real client: Municipality of Asuncion, Davao del Norte | 4-role RBAC | AI ensemble ranking | PDS wizard | Training certificates

Next.js 16React 19TypeScriptSupabaseGemini AIRecharts
Screenshots
100 screenshots across 27 sections

MCI Detection System

Web + ML BackendFreelanceHealthcareAI

AI medical app for early Alzheimer's screening.

ML Backend + Web Dashboard | HIPAA-compliant patient management

Next.js 16React 19TypeScriptPythonFastAPIPyTorch
Screenshots
76 screenshots across 11 sections