$ whoami

Vince Angelo
Batecan

Full-stack Developer building scalable Java backends and hardware-integrated systems

Java Spring Boot|Angular|ESP32/Arduino|AI/ML

cat about.md

The Short Version

Vince Angelo Batecan
$ whoami
vince-batecan
// UE IT Student
// Full-Stack Dev

I am Vince Angelo Batecan and a Full Stack Developer. I specialize on building REST APIs, Websites, and hardware integrations.


Currently studying as an IT at University of the East Caloocan while working on side projects and freelancing. Lately, I've been learning and working on artificial intelligence and machine learning.


My works now includes AI-Intelligent applications, Machine Learning models, and leveraging AI to create a better user experience and cutting-edge features.

Location
Valenzuela, PH
Email
vbatecan@gmail.com

~/services

My Services

I build complete, secure, and highly optimized digital systems. Drag or swipe the cards to explore my capabilities across full-stack development, embedded hardware IoT, database engineering, and microservices.

Need a custom end-to-end integration?

Web, Mobile & SaaS Applications[01 / 06]

Full-Stack Web Development

Build responsive, scalable web applications with modern frameworks. From landing pages to complex dashboards, I deliver clean code that scales.

// Tech Stack

Next.js
React
Angular
TypeScript
HTML5
Tailwind CSS
REST APIs, GraphQL & Server Architecture[02 / 06]

Backend APIs & Microservices

Design and implement robust backend systems that handle high traffic and complex business logic. Focus on security, scalability, and maintainability.

// Tech Stack

Spring Boot
Quarkus
Flask
Java
Python
GraphQL
SQL + NoSQL Solutions[03 / 06]

Database Design & Optimization

Design efficient database schemas, write complex queries, optimize slow queries, and implement caching strategies for high-performance applications.

// Tech Stack

PostgreSQL
Redis
MongoDB
MySQL
SQLite
Fast & Reliable Systems[04 / 06]

Performance & Monitoring

Audit application performance, identify bottlenecks, and implement optimizations. Set up logging, monitoring, and alerting for production systems.

// Tech Stack

Lighthouse
Vite
Webpack
Grafana
Prometheus
Embedded Systems & Device Control[05 / 06]

IoT & Hardware Integration

Bring your hardware ideas to life. From ESP32 projects to custom sensors, I create systems that bridge the physical and digital worlds.

// Tech Stack

ESP32
Arduino
Raspberry Pi
C++
MQTT
Secure Deployments & CI/CD[06 / 06]

Security & DevOps

Implement security best practices and automate deployments. Set up continuous integration pipelines that make releases reliable and stress-free.

// Tech Stack

Docker
Kubernetes
AWS
GCP
GitHub Actions

portfolio

Featured Work

Soapify
Livepublic
Mar 2024
Soapify
Professional static website for soap and disinfectant products with responsive design and brand presentation
Virtuelink
Liveprivate
2025
Virtuelink
Virtuelink is a web application for managing meetings, reservations, and related workflows for organizations. It provides a calendar-first interface, user profiles, reservation handling, notifications, and server-side functions to automate common tasks.
Crumb Cabin Orders
Liveprivate
2025
Crumb Cabin Orders
Crumb Cabin Orders is a full-stack web application for a cookie shop, providing an online ordering experience for customers and a comprehensive admin dashboard to manage operations.
Freelancer Project Management
Liveprivate
2025
Freelancer Project Management
A comprehensive project management solution for freelancers managing clients, projects, invoices, and time tracking in a unified dashboard.
Scholar's Path
Liveprivate
2026
Scholar's Path
Student productivity platform — career goal tracking, subject difficulty analytics, and AI-powered reviewer question generation for Filipino students
Kaong Detection Application - Optimized Version
Doneprivate
Nov 2025
Kaong Detection Application - Optimized Version
Flask application for detecting Kaong fruit ripeness using YOLO models, refactored into a service-oriented, production-ready architecture.
ESP32 Deauther
WIPpublic
Oct 2024
ESP32 Deauther
WiFi security testing tool with enhanced browser-based interface for network deauthentication testing
LyriClear
WIPpublic
2025
LyriClear
Karaoke lyrics processor — uploads audio, generates word-level timed lyrics using Demucs + Whisper, and displays them in a karaoke-style player
Enrollment System C# Desktop Application
Archived—
Sep 2023 - Oct 2023
Enrollment System C# Desktop Application
Comprehensive desktop application for streamlining student enrollment processes and record-keeping in educational institutions
Fast Food Management System
Archivedpublic
Apr 2022 - Jun 2022
Fast Food Management System
Comprehensive solution for streamlining fast food operations including inventory, sales, staffing, and customer service management
Image Tiler in Python for Machine Learning
Archivedpublic
June 2025
Image Tiler in Python for Machine Learning
Image Tiler for Machine learning is for datasets that are too large to be processed by the model. It is a tool that can be used to tile the images into smaller pieces that can be processed by the model and improve accuracy to small objects. Roboflow has this feature but is not free. Therefore, I wrote this script for my own use.
Student Attendance Management System
Offlineprivate
2024
Student Attendance Management System
Web-based interface for biometric attendance tracking with real-time processing and automated reporting
Trackattend Hardware System
Offlineprivate
2024
Trackattend Hardware System
Fingerprint-based attendance system with ESP32 microcontroller and AS608 scanner for Punturin Senior High School
Sticker Guidance System
Offlineprivate
2024
Sticker Guidance System
AI-powered visual detection tool for streamlining sticker location in Silhouette Studio for Shopee orders
PISO WiFi Management System
Offlinedevelopment
2024
PISO WiFi Management System
Python-based pay-per-use WiFi system for Orange Pi One with automated access control and admin interface
Shoes API
Offlinepublic
Oct 2024 - Nov 2024
Shoes API
Robust backend solution with dynamic searching capabilities for comprehensive shoe-related data management
Gold Days Clothing
Offline—
Aug 2024 - Sep 2024
Gold Days Clothing
Refined e-commerce platform for high-quality apparel with secure transaction systems and seamless shopping experience
Forumania
Offlineprivate
Jul 2024 - Aug 2024
Forumania
Dynamic forum platform fostering online communities with real-time communication and structured discussions
To Do List Spring Boot REST API
Offlinepublic
Jan 2022
To Do List Spring Boot REST API
RESTful API for task management applications with full CRUD operations for creating, updating, deleting, and managing tasks
Patient Management System Spring Boot REST API
Offlinepublic
June 2025
Patient Management System Spring Boot REST API
RESTful API for patient management applications with full CRUD operations for creating, updating, deleting, and managing patients. Additionally, it includes authentication and authorization using JWT tokens. Implemented RBAC for role-based access control.

~/skills

What I Work With

Core Stack

Java
Spring Boot
Quarkus
Angular
PostgreSQL
JWT
OAuth2
RESTful APIs
★ Main

Backend Development

JavaSpring BootQuarkus

Backend Development

Specializing in secure, scalable backend systems with Java frameworks and authentication

Used in:

StudentShoes
★ Main

Frontend Development

AngularTypeScriptJavaScript

Frontend Development

Creating dynamic, responsive user interfaces with Angular and modern web technologies

Used in:

StudentSoapify
★ Main

Database Management

PostgreSQLMySQLMariaDB

Database Management

Relational database expertise with focus on design, optimization, and data integrity

Used in:

StudentShoes
★ Main

Security & Authentication

JWTOAuth2API Security

Security & Authentication

Implementing robust authentication systems and security best practices

Used in:

StudentShoes

Mobile & Desktop

KotlinAndroid StudioC#

Mobile & Desktop

Native and cross-platform application development

Used in:

TrackattendEnrollment

AI/ML & Data

PythonTensorFlowPyTorch

AI/ML & Data

Machine learning models, data analysis, and AI-powered applications

Used in:

StickerFreelancer

Cloud & DevOps

VercelDockerCI/CD

Cloud & DevOps

Cloud infrastructure, containerization, and automated deployment

Used in:

PISOFreelancer

Development Tools

IntelliJ IDEAVS CodePyCharm

Development Tools

Professional development environment and productivity tools

Used in:

All

Operating Systems

LinuxUbuntuArch

Operating Systems

Multi-platform system administration and command-line proficiency

Used in:

PISOTrackattend

Version Control

GitGitHubAgile

Version Control

Advanced version control workflows and collaborative development

Used in:

All

Hardware & IoT

ArduinoESP32Embedded Systems

Hardware & IoT

Embedded systems programming and IoT device development

Used in:

TrackattendESP32

Web Technologies

PHPREST APIsGraphQL

Web Technologies

Modern web development with focus on security and performance

Used in:

GoldForumania

// also learning

Advanced Angular
GraphQL
Advanced Spring Boot
Cloud Architecture
Advanced Cybersecurity

git log --stat

Activity Stats

WakaTime stats
WakaTime stats
WakaTime stats
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ls -la ./certificates/

Certifications

Computer Hardware Basics

Computer Hardware Basics

Cisco

Hardware components, assembly, and troubleshooting fundamentals

HardwareAssemblyTroubleshooting
May 2025
Verify
Operating Systems Basics

Operating Systems Basics

Cisco

OS concepts: Windows, Linux, system administration, and command line

LinuxWindowsSysAdminCLI
May 2025
Verify
Ethical Hacking Fundamentals
View

Ethical Hacking Fundamentals

EC-Council

Ethical hacking methodologies, tools, and security fundamentals

PenTestingCybersecuritySecurity
2025
ACSS Code Start
View

ACSS Code Start

UE Caloocan

Python, Java OOP, and computational concepts workshop

PythonJavaOOP
October 2025
Library Science
View

Library Science

UE Caloocan

Library science and information management

ResearchInfo Management
2025

contact.init()

Get in Touch

Or reach me directly:

vbatecan@gmail.com
vbatecan.dev
All rights reserved.© 2026