Jerwin Teñajura - Portfolio

Get to know me

About

Passionate about turning ideas into working software.

My Journey

Building software that works

I'm Jerwin Teñajura, a Full Stack Developer with experience in web and system development. I graduated from Saint Columban College with a degree in BS Information Technology.

I specialize in building custom web applications, business systems, and user-friendly interfaces. I deliver solutions for startups, government offices, and private clients—focusing on clean code, clear workflows, and reliable systems that fit how you work.

From idea to launch, I help turn requirements into working software. I enjoy solving real-world problems with code and am always learning new tools and best practices.

Education

Academic Background

2024–2025 BS Information Technology Saint Columban College
2020–2021 Senior High School Sibugay Technical Institute Inc.
2013–2014 Elementary Payag Elementary School

What I bring to the table

Clean Code Modern UI/UX Reliable Systems Fast Delivery Custom Solutions On-Time Launch

Technologies I use

Tech Stack

Languages, frameworks, databases, and tools I work with to build projects.

Frontend

HTML5

CSS3

JavaScript

React

Next.js

Bootstrap

Tailwind

jQuery

Material-UI

Backend & Runtime

PHP

Laravel

Node.js

Express

Mobile

Dart

Flutter

Database

MySQL

Firebase

MongoDB

Tools & Design

Git

GitHub

Figma

VS Code

Cursor

cPanel

Chart.js

Selected Work

Projects

Web apps and systems I've built—deployed live and in development.

Deployed

Live projects you can visit online.

ISP Billing App

NetLynk PH

Native iOS & Android app for Filipino ISP owners and NOC teams—MikroTik provisioning, Xendit collections, and Semaphore SMS in one app.

Lei's Resort

Resort booking for Pagadian City—rooms, cottages, function halls, online reservations, payments, and guest feedback.

MNHS Attendance Monitoring System

QR-based check-in, automated reports, and DepEd-ready records for Midsalip National High School.

CUATAS Ilimitado Corporation

ISP management system: customer management, billing, and network monitoring.

Philippine People's Press

News platform with CMS, auth, and responsive design.

Severs Construction

Company site with portfolio, client management, and inquiry system.

DPWH E-Logbook

Digital logbook for attendance and activities with Firebase.

SSFO Admin System

Administrative portal for SSFO with document management.

React

Firebase

Tailwind

Developed (not deployed)

Projects built and ready—not yet live online.

Not deployed Management

Hotel Management System

Full hotel operations: reservations, check-in/out, billing, and room management.

Laravel

React

MySQL

Not deployed Government

DENR Tree Certification and Registration

Tree certification and registration system for DENR compliance and tracking.

Next.js

Express

MySQL

Not deployed Government

Tambulig Blotter Management System

Blotter and incident management for Tambulig LGU.

Laravel

React

MySQL

Not deployed Healthcare

Dental Management System

Patient records, appointments, and dental clinic operations.

Next.js

Tailwind

Firebase

Not deployed Events

Event Attendance Management System

Event registration, check-in, and attendance tracking.

Flutter

Dart

Firebase

Not deployed Retail

Point of Sale System

Sales, inventory, receipts, and reporting for retail operations.

React

Express

MySQL

Not deployed Business

Inventory System

Stock tracking, reorder alerts, and inventory reporting.

Laravel

React

MySQL

Not deployed Government

DPWH PCMA

Project and contract management for DPWH.

Next.js

Laravel

MySQL

Not deployed Business

Employee Management System

Employee records, attendance, leave, and payroll management for organizations.

React

Express

MongoDB

Career

Experience

Roles and responsibilities across internships, development, and administration.

December 2025 – Present

Software Engineer

CUATAS Ilimitado Corporation

Develop and maintain software solutions for the company and its clients.
Work with the team on design, implementation, and code reviews.
Write clear, maintainable code and fix bugs and technical issues.
Participate in testing and deploying new features and updates.

August 2025 – December 2025

Admin Assistant

Province of Zamboanga del Sur

Provided administrative support and assisted with daily office operations.
Organized and maintained files, records, and correspondence.
Coordinated schedules and assisted with day-to-day office tasks.
Prepared and managed documents and supported data entry and reporting.

January 2025 – April 2025

IT Support Intern

DPWH Zamboanga del Sur 1st DEO

Troubleshooted and maintained employees' PCs to ensure optimal performance.
Crimped LAN cables and connected them to employees' computers for network access.
Performed regular PC cleaning and basic hardware maintenance.
Installed and updated essential software, including printer drivers and utilities.
Provided technical support to staff for various IT-related issues.

November 2023 – January 2025

Full Stack Developer

Self-Employed

Developed custom systems and web applications for various clients, including e-commerce platforms, school projects, capstone projects, organizations, and office systems.
Integrated back-end and front-end functionalities, ensuring smooth data flow and a seamless user experience.
Utilized Firebase for real-time data handling and Hostinger for reliable hosting solutions.
Collaborated with clients to understand requirements and deliver tailored web solutions that align with business objectives.
Ensured responsive design and cross-browser compatibility for all projects.

August 2021 – December 2024

Volunteer (Admin Assistant)

Social Services Facilitator's Office (ZDS Provincial Government Office)

Created and processed payroll for scholarship applicants.
Managed and organized documents, data, and physical/digital files.
Provided basic technical support and troubleshooting assistance.
Assisted in maintaining office workflow and administrative operations.

Recognition

Achievements

Awards, certifications, and academic honors.

System Developer

Saint Columban College

December 05, 2024

Capstone Project Award | Awarded for outstanding contribution as the lead system developer for the capstone project.

Web Developer

Department of Trade & Industry

May 24, 2024

Certificate of Completion | Awarded in recognition of outstanding participation as a Web Developer at R&N Natural Products, in partnership with the Department of Trade & Industry (DTI), Saint Columban College (SCC), and the Chamber of Commerce and Industry Foundation, Inc. (CCIF).

BYTE President

College of Computing Studies

December 16, 2024

Leadership Award | Awarded for exemplary service as President of the BYTE Organization, a recognized school club organization, demonstrating strong leadership and commitment to the organization's success.

Dean's Lister

Saint Columban College

August 15, 2023

Academic Excellence Award | Consistently recognized as a Dean's Lister for 2 consecutive semesters with a general weighted average of 1.49 and with no grade below 2.0.

Certificate of Recognition

Sibugay Technical Institute Inc.

March 23, 2021

With Honor Award | Graduated with a General Weighted Average (GWA) of 91%, consistently recognized for academic honors throughout elementary, junior high, and senior high school, while maintaining a strong record of excellence.

Computer Literacy

Department of Education | ALS

October 01, 2017

Certificate of Completion | Awarded for the satisfactory completion of a basic computer literacy program, covering dBase III Plus, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, and Print Shop Deluxe III. Received the Golden Award for outstanding performance.

Credentials