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Sherwen Mortis

Junior Full Stack Developer | Web & Mobile Applications

I build practical web, mobile, and business applications—from responsive interfaces and backend APIs to databases, authentication, and real-time systems.

Open to: Full Stack Developer Web Developer Mobile Developer Software Developer

About Me

Turning real business requirements into reliable and maintainable software

Sherwen Mortis - Full-Stack Developer

Junior Full Stack Developer | Web & Mobile Applications

I am a Junior Full Stack Developer with 1+ year of hands-on experience building web, mobile, and database-driven applications. My experience covers frontend development, backend APIs, SQL databases, authentication, real-time functionality, debugging, testing, and deployment.

I enjoy turning practical requirements into reliable software and working across the full development lifecycle. I also use AI-assisted development tools responsibly to accelerate implementation, debugging, research, and code analysis while reviewing and testing the resulting code.

  • Location: Pagadian City, Philippines
  • Phone: +63 963 131 0910
  • Email: mortis.sherwen@gmail.com
  • Education: BS Information Technology (Completed)
  • Freelance: Available for Hire
  • Focus: Full-Stack Systems, APIs & Databases
1 +

Year of Experience

3 +

Production Systems

5

Certifications

20 +

Technologies Used

Official Academic & Technical Credentials

Education & Professional Qualifications

A four-year bachelor's degree complemented by specialized, hands-on technical training.

Official College Diploma - Bachelor of Science in Information Technology (BSIT) - Sherwen C. Mortis
Inspect Full Diploma
CHED Recognized Degree
Bachelor's Degree Conferred: June 9, 2026

Bachelor of Science in Information Technology (BSIT)

Josefina H. Cerilles State College — School of Computing Studies San Miguel, Zamboanga del Sur

Official four-year baccalaureate degree approved by the Commission on Higher Education (CHED). Comprehensive education covering software engineering disciplines, relational database systems, systems analysis, algorithm design, network computing, and enterprise application workflows.

School Dean Elsie S. Ybañez, MSIT
College President Edgardo H. Rosales, JD, EdD
Core Competencies:
Software Engineering Full-Stack Development Database Architectures Data Structures & Algorithms Network Computing

Technical Workshops & Training

Select any credential to inspect verified workshop details, speaker credentials, and topics.

4 Verified Workshops
IoT & Embedded Systems March 28–29, 2026

Automation Systems: An Embedded and IoT Interfacing & Programming Workshop

Intensive hands-on training on microcontroller architectures, hardware sensor interfacing, embedded C/C++ programming logic, and automated IoT communications.

Host Venue JHCSC Pagadian — IT Building Conference Room
Keynote Speaker Jaafar J. Omar, MSCA
Validated Competencies:
Embedded Systems IoT Interfacing Microcontrollers Hardware Programming

Technical Skills

Core technologies, frameworks, databases, and development workflows

Frontend

Responsive web design, reusable UI components, and cross-platform mobile interfaces

React JavaScript TypeScript HTML5 CSS Tailwind CSS Flutter Dart Responsive Web Design

Backend

Server logic, RESTful services, WebSockets, authentication, and database integration

Node.js Express.js C# .NET PHP REST APIs WebSockets Authentication Firebase

Database

Relational schema design, queries, and database integration

SQL MySQL PostgreSQL Supabase MS Access Database Integration

Development

Version control, debugging, testing, and API integration

Git GitHub Debugging Testing API Integration System Maintenance

AI-Assisted Development

AI-assisted code analysis, implementation, debugging, refactoring, investigation, and review with manual validation of generated changes.

ChatGPT OpenAI Codex Antigravity

Deployment

Hosting platforms and deployment workflows for web applications

Vercel Render Cloudflare Pages Cloudflare Workers GitHub Pages

Computer Hardware & IT Servicing

Laptop teardown, desktop PC assembly, motherboard diagnostics, storage upgrades, thermal management, and workstation maintenance.

Laptop Disassembly & Teardown Desktop PC Custom Assembly Motherboard Diagnostics Thermal Paste & Cooling Servicing NVMe & SATA SSD Upgrades RAM / Memory Testing Power Supply (PSU) Diagnostics OS Re-imaging & Driver Config Peripheral & Printer Setup Preventive Hardware Maintenance

What I Build

Practical software across the full stack — from web and mobile interfaces to business systems and databases

What I Build
Client-Facing Applications
Node 01 // Frontend

Web Applications

Responsive dashboards, admin panels, business platforms, and customer-facing applications.

React TypeScript Tailwind CSS Responsive Design
Node 02 // Mobile

Mobile Applications

Cross-platform mobile applications focused on practical real-world workflows.

Flutter Dart Firebase REST APIs Cross-Platform
Node 03 // Web

Client Websites

Responsive business websites and interactive customer inquiry platforms.

React TypeScript Tailwind CSS Responsive UX
Systems & Data
Node 04 // Backend

Backend & APIs

REST APIs, authentication, database integration, and real-time application functionality.

Node.js Express.js C# / .NET WebSockets REST APIs Authentication
Node 05 // Persistence

Database Systems

Relational schema design, query optimization, and database-driven application workflows.

MySQL PostgreSQL Supabase SQL Database Integration
Node 06 // Commerce

Business Systems

POS, inventory, billing, reporting, and workflow management software.

POS Terminals Inventory Tracking Billing Reporting Workflow Management

How I Build

From requirements to maintenance, with testing built into every stage

Stage 01 // Discovery & Scope

Requirements

Understand the real workflow with clients and staff, then define scope, user roles, technical constraints, and expected outcomes before starting implementation.

User Workflows Functional Scope Outcome Targets
Stage 02 // Architecture & Schemas

Design

Plan the database schema, relational keys, API contract structure, and interface component layouts before writing a single line of production code.

Relational Schemas API Contracts UI Component Specs
Stage 03 // Incremental Engineering

Build

Develop frontend interfaces, backend logic, and database migrations in small, verifiable increments with strict Git commits and clean code documentation.

Git Commit Tracking Frontend & Backend Modular Migrations
Stage 04 // Quality Assurance Hub

Testing & Quality Assurance

Every feature is verified before release, not only at the end of the project. Bugs are systematically logged, isolated, resolved, and re-tested.

Functional testing: checkout, stock, reports
API testing: endpoints, tokens, errors
Validation checks: edge cases, empty states
Regression checks: re-test after every change
Cross-device: desktop, tablet, mobile
User acceptance: actual field conditions
Zero-defect commitment: bugs are logged, fixed, and re-verified before the next stage.
Stage 05 // Production Release

Deployment

Release to Cloudflare Pages/Workers, Vercel, Render, or GitHub Pages with HTTPS, asset compression, and smoke tests validating live production sanity.

Cloudflare / Vercel Zero-Downtime Builds Live Smoke Tests
Stage 06 // Perpetual Lifecycle Care

Maintenance & Evolution

Post-launch telemetry monitoring, rapid patch application, performance optimization, and iterative feature enhancements driven by operational user feedback.

Telemetry & Logs Performance Patches Iterative Updates

Experience & Credentials

Junior Full Stack Developer | Web & Mobile Applications

1+ year of hands-on experience building web, mobile, and database-driven applications across the full development lifecycle.

Professional Experience

Independent Full Stack Developer

Present

Independent Projects

Design, develop, and maintain full-stack web and mobile applications for business and operational use — spanning frontend interfaces, backend APIs, databases, authentication, and deployment.

  • Build and maintain full-stack web applications with React, TypeScript, and Node.js.
  • Develop and integrate REST APIs, database workflows, authentication, and real-time functionality.
  • Implement inventory, sales, billing, reporting, and dashboard workflows for business systems.
  • Perform debugging, testing, refactoring, and deployment preparation.
  • Use AI-assisted development tools for analysis, implementation, and debugging while manually validating all resulting code.
React TypeScript JavaScript C# .NET PHP Node.js Express.js MySQL PostgreSQL Supabase REST APIs WebSockets Tailwind CSS Git

Software Developer / Programmer

Contract
Jun 2025 – May 2026

CENRO (City Environment & Natural Resources Office) • Contract Engagement

Developed and maintained web and mobile applications supporting the digitalization of environmental management and public-service operations.

  • Developed frontend and backend application features with React, Node.js, and Flutter.
  • Integrated databases, APIs, and real-time functionality for operational workflows.
  • Built admin dashboards, driver/citizen workflows, and reporting tools.
  • Debugged application issues and supported system maintenance and improvements.
React JavaScript Flutter Dart Node.js Express.js SQL PostgreSQL REST APIs Git

IT Support Intern / Junior IT Support Specialist

Contract
Feb 2026 – May 2026

EMCOR Inc. — Service Center • Contract Engagement

Provided hands-on hardware servicing, workstation assembly, preventive maintenance, and technical support across desktop PCs, laptops, and peripherals on a contract basis.

  • Performed teardown, cleaning, component replacement, and thermal management on desktop PCs and laptops.
  • Diagnosed motherboard, RAM, PSU, and storage drive hardware failures.
  • Deployed clean OS installations, configured drivers, and resolved software-hardware compatibility issues.
  • Set up and maintained peripherals including thermal receipt printers, barcode scanners, and network routers.
  • Provided direct user support and documented hardware status and maintenance procedures.
Laptop Teardown PC Assembly Motherboard Diagnostics Thermal Servicing Storage & RAM Upgrades OS & Driver Deployment Peripheral Maintenance Network Diagnostics

Education

Bachelor of Science in Information Technology

Graduated — June 2026

Josefina H. Cerilles State College (JHCSC)

Core coursework: Software Engineering, Database Systems, Web & Mobile Development, Data Structures & Algorithms, Network Administration.

Certifications

Introduction to SQL

2025

Sololearn

Relational database querying, aggregation, filtering, table joins, and database design principles.

Python Developer

2025

Sololearn

Core Python programming, data structures, functional paradigms, OOP, and modular code development.

Introduction to Android Studio: A Hands-On Project for Game Logic

2025

JHCSC

Component lifecycles, event listeners, state handling, UI rendering, and interactive Android logic.

User Experience Design: Discovering Thinking Framework

2025

JHCSC

Frameworks for user research, design thinking, information architecture, wireframing, and interface usability.

Pixel Perfect: A Beginner's Journey to Graphic Design

2025

JHCSC

Visual hierarchy, color harmony, typography, layout balance, and professional asset preparation.

Additional Strengths

Problem Solving Adaptability Teamwork Time Management Willingness to Learn Technical Support

Languages

English Filipino

Featured Projects

Selected full-stack applications and production projects

01 // POINT OF SALE Flagship Project Production

ISRA Hardware POS & Inventory System

Full-stack browser-based POS and inventory management system developed for hardware-store operations — covering sales transactions, inventory, barcode scanning, receipt workflows, customer credit management, reporting, authentication, and real-time notifications.

Station TERM-01 — POS Cashier Terminal Online
  • Sales transactions & receipt workflows
  • Inventory management with barcode scanning
  • Customer credit / ledger management
  • Reporting & real-time notifications
Tech Stack
React TypeScript Node.js Express.js MySQL REST APIs WebSockets Tailwind CSS Git
02 // MOBILE APPLICATION Completed

KaSpot

A consent-based location-sharing and communication mobile application designed to help families, partners, friends, and loved ones stay connected.

KaSpot — Mobile Application Flutter
  • User authentication & account management
  • Consent-based location sharing with private circles
  • Real-time chat & in-app messaging
  • Push notifications & privacy controls
Tech Stack
Flutter Dart Firebase REST APIs Git

Android & iOS

03 // MUNICIPAL WEB & MOBILE Live Platform

CENRO Waste Tracker

Full-stack waste collection management system supporting environmental and public-service operations — with admin dashboards, driver and citizen workflows, collection scheduling, route management, reports, and notifications.

cenrotracker.vercel.app Live
Citizen mobile portal
  • Triple-role portal (Admin, Driver, Citizen)
  • Interactive collection route dispatch mapping
  • Mobile collection driver app (Flutter / Dart)
  • Citizen reporting for missed collections & waste hotspots
Tech Stack
React JavaScript / TypeScript Node.js Express.js SQL / PostgreSQL REST APIs Flutter Dart Git / GitHub
Live Website

Flutter App

04 // DESKTOP BILLING SYSTEM Completed

Karenderya Billing System

Native desktop billing and inventory tracking system built to support canteen operations and reduce order and inventory errors.

Karenderya POS.exe — Local Client Terminal Native Desktop
  • Counter billing & product/menu management
  • Inventory tracking with automatic stock deduction
  • Recipe / raw-material tracking
  • End-of-day auditing & revenue reports
Tech Stack
C# .NET MS Access SQL Desktop App

Client Deployed

05 // CLIENT WEBSITE Live Website

Taga-Hatid Surpresa

Customer-facing platform engineered for Taga-Hatid Surpresa in Pagadian City, supporting curated gift arrangements, bespoke surprise-delivery planning, and interactive customer inquiries.

Storefront landing page Live
Mobile storefront
  • Curated floral bouquets, sweet treats & keepsake gift hampers
  • 4-step seamless surprise planning workflow for clients
  • Multi-channel direct inquiry dispatch (Facebook Messenger & Phone)
  • Mobile-first responsive visual gallery with Playfair & DM Sans styling
Tech Stack
React TypeScript Tailwind CSS Vite Cloudflare Pages REST APIs Responsive UX
Live Website
06 // BUSINESS WEBSITE Live Website

Isra Hardware Trading Website

Responsive business website developed for Isra Hardware Trading, focused on product presentation, customer-facing information, and inquiry functionality.

Storefront landing page Live
Mobile storefront
  • Modern storefront & categorized inventory catalog
  • Interactive customer chat assistant for quotes & stock inquiry
  • Admin customer helpdesk & quotation desk with stock verification
  • Embedded Google Maps store locator & counter pickup
Tech Stack
React TypeScript Cloudflare Workers Supabase Tailwind CSS Vite PostgreSQL
Live Website

Open to Junior Developer Opportunities

I'm currently open to junior full-stack, web development, mobile development, and software development opportunities.

Get in Touch

Have a software project, business system, website, mobile app, or promotional media project in mind? I'm available for freelance work, collaborations, and full-time opportunities.

Location

Pagadian City, Philippines

Phone / WhatsApp

+63 963 131 0910