Paul James Villanueva

Full-Stack
Web/Mobile Developer

PAUL JAMES
VILLANUEVA

I’m a full-stack software developer specializing in Flutter and web development, building high-quality apps and platforms for web and mobile.

Who I Am

About Me

I'm a Full-Stack Software Developer with over 6 years of experience building high-quality mobile and web applications. My primary expertise is Flutter, complemented by experience in Node.js, Django, .NET, Angular, and modern backend technologies.

I enjoy turning ideas into scalable, maintainable, and user-friendly products. I focus on writing clean, efficient code, creating intuitive user experiences, and delivering reliable solutions from concept to deployment. I'm always eager to learn new technologies, improve my craft, and collaborate with teams to build impactful software.

Technologies

Tech Stack

A quick overview of the technologies I use most, inspired by my original Flutter web portfolio.

FlutterFlutter
DartDart
FirebaseFirebase
FlutterFlowFlutterFlow
BLoCBLoC
Hydrated BLoCHydrated BLoC
Others
HTMLHTML
CSSCSS
JavaScriptJavaScript
TypeScriptTypeScript
AngularAngular
GoLangGoLang
Node.jsNode.js
DjangoDjango
.NET.NET
MongoDBMongoDB
MySQLMySQL
GraphQLGraphQL
DockerDocker
OpenAIOpenAI
GitHubGitHub
PythonPython
WebSocketWebSocket
JSONJSON
GitGit
PostmanPostman
FigmaFigma
SQLSQL
NoSQLNoSQL

Background

Education

Bachelor of Arts in Theology

Naga View Adventist College

2017 – 2021

Workspace

My Gear

The hardware and tools I rely on to design, build, and ship mobile and web apps every day.

Daily Driver

Where the code actually gets written

Windows Desktop

AMD Ryzen 5 5600G · 6 cores at 3.9 GHz · 64-bit Windows — handles Flutter builds and emulators without breaking a sweat

32 GB RAM

Enough headroom to keep an emulator, a simulator, and a couple of IDEs open at once

AMD Radeon Graphics

4 GB integrated graphics driving the day-to-day workspace

932 GB Storage

Projects, SDKs, emulator images, and build artifacts

MacBook Air M4

Apple silicon machine for Xcode, iOS builds, and App Store releases

Huawei MateBook D15

Portable second machine for working away from the desk and checking builds on the go

External Monitor

Second screen for docs, logs, and design references

Test Devices

Every build gets checked on real hardware

Tecno Pova 4 Pro

Primary Android device for real-world builds and Play Store testing

iPhone 12

iOS builds, TestFlight, and App Store review checks

Emulators & Simulators

Android Studio AVD and iOS Simulator to cover tablets and screen sizes outside my physical devices

Desk Setup

The peripherals I reach for every day

Mechanical Keyboard

Tactile switches for long typing sessions

Logitech H390 Headset

USB headset with a noise-cancelling boom mic — focus music during deep work, clear audio for standups and client calls

Ergonomic Chair

Comfortable posture through long builds

Everyday Software

Tools that stay open all day

VS Code & Android Studio

Flutter development, debugging, and profiling

Cursor

AI-assisted editor for faster refactors, code review, and boilerplate

Terminal

Git, Flutter CLI, and build scripts

Figma

Design handoff and pixel-accurate UI implementation

Portfolio

Projects

AfterDark Society screenshot 1
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Afterdark Society

AfterDark Society

Social app for diverse communities with real-time messaging and content sharing.

Flutter · Firebase

Stay Delivered App screenshot 1
Stay Delivered App screenshot 2
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Stay Delivered App screenshot 10
Stay Delivered App screenshot 11
Stay Delivered App screenshot 12
Stay Delivered App screenshot 13

Afterdark Society

Stay Delivered App

Mobile app project for Stay Delivered. Update this with final features, user flows, and outcomes.

Flutter · Firebase

DTB App (Judge Accreditation) screenshot 1
DTB App (Judge Accreditation) screenshot 2
DTB App (Judge Accreditation) screenshot 3
DTB App (Judge Accreditation) screenshot 4
DTB App (Judge Accreditation) screenshot 5
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DTB App (Judge Accreditation) screenshot 9
DTB App (Judge Accreditation) screenshot 10
DTB App (Judge Accreditation) screenshot 11
DTB App (Judge Accreditation) screenshot 12
DTB App (Judge Accreditation) screenshot 13
DTB App (Judge Accreditation) screenshot 14

E1+ Development Agency

DTB App (Judge Accreditation)

Mobile app used for judge accreditation workflows and submissions.

Flutter

DTB Competition Judge Web App screenshot 1
DTB Competition Judge Web App screenshot 2
DTB Competition Judge Web App screenshot 3
DTB Competition Judge Web App screenshot 4

E1+ Development Agency

DTB Competition Judge Web App

Web platform for competition judges to review, score, and manage judging tasks.

Web · Django · GraphQL

DTB Super Admin Web App screenshot 1

E1+ Development Agency

DTB Super Admin Web App

Super-admin dashboard for global competition setup, permissions, and operations control.

Web · Django · GraphQL

MakerCRM screenshot 1
MakerCRM screenshot 2
MakerCRM screenshot 3

E1+ Development Agency

MakerCRM

Web platform for CRM and internal time tracking workflows, including authentication, dashboard views, and task time logging.

Web · CRM

Ayla Voice Assistant screenshot 1
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Freelance

Ayla Voice Assistant

Voice assistant tailored for elderly users—clear UX and accessible flows.

Flutter

Virtual Background Web App screenshot 1
Virtual Background Web App screenshot 2
Virtual Background Web App screenshot 3

Tuilder Web Services

Virtual Background Web App

Interactive 3D logo matrix with Three.js for branded virtual backgrounds.

Three.js · Web

XLINGUA Website screenshot 1

WEB4EX

XLINGUA Website

Language-learning marketing site with course packages, founders offer, and consultation CTAs for Swiss learners.

Web

WEB4EX Website screenshot 1
WEB4EX Website screenshot 2
WEB4EX Website screenshot 3
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WEB4EX

WEB4EX Website

Company site for a Zurich software studio—hero landing, case studies, B2B project planner, and an AI project advisor chat flow.

Next.js · Web

MYVORA Website screenshot 1
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MYVORA Website screenshot 3
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MYVORA Website screenshot 8

WEB4EX

MYVORA Website

Swiss premium gummies e-commerce site with product catalog, bundles, waitlist/wishlist flows, shipping info, and an admin waitlist dashboard.

Web · E-commerce

LE Teams Mobile App screenshot 1
LE Teams Mobile App screenshot 2
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Tuilder Web Services

LE Teams Mobile App

Field team app with inventory, daily entries, map markers, team stats, contacts, and offline-friendly workflows.

Flutter

Add screenshot

Tuilder Web Services

LE Teams Backend API

Backend services powering LE Teams with data sync, geolocation processing, and API endpoints.

Node.js · MongoDB

SDA Explorers App screenshot 1
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Personal Projects

SDA Explorers App

Faith-based explorer app with lessons, quizzes, Bible reader, hymnal, church finder, profile, and achievements.

Flutter

QMII App screenshot 1
QMII App screenshot 2
QMII App screenshot 3
QMII App screenshot 4
QMII App screenshot 5
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Personal Projects

QMII App

Queue management app for customers and vendors—join by code/QR, live wait status, visit history, and profile settings.

Flutter

HootFlow App screenshot 1
HootFlow App screenshot 2
HootFlow App screenshot 3
HootFlow App screenshot 4
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HootFlow App screenshot 6

Personal Projects

HootFlow App

Money stopwatch app that tracks time-to-earnings with live currency visuals, session history, and weekly trends.

Flutter

Career

Work Experience

Freelance Web Developer

WEB4EX

January 2026 – February 2026
  • Contributed to the WEB4EX website offer and quotation feature that sends AI-generated project planner quotations to clients and administrators.
  • Created the MYVORA website for the food supplements launch wishlist, connected to a Shopify store.
  • Contributed to multiple UI fixes and landing-page changes on the Xlingua website.

Flutter Developer

Afterdark Society

July 2025 – July 2026
  • Developed and maintained a social media application catering to diverse communities and interests.
  • Implemented real-time messaging and content-sharing features using Flutter and Firebase.

Full-Stack Software Developer (Flutter & Django)

E1+ Development Agency

December 2024 – May 2025
  • Enhanced DTB App, an accreditation tool for gymnastics judges in Germany.
  • Contributed to DTB Backend using Django and GraphQL.
  • Developed DTB Competition Creator App, a web platform for organizing gymnastics competitions.

Freelance Flutter Developer

Couples Harmony

November 2024 – January 2025
  • Built an AI Relationship Advisor for couples counseling using Flutter and OpenAI integration.

Freelance Flutter Developer

Ayla Voice Assistant App

September 2024 – January 2025
  • Developed an AI-powered voice assistant app designed to assist elderly users.

Freelance Flutter Developer

Nooks & Cranny Auto Detailing Services

July 2024 – September 2024
  • Created an internal app for job assignment and progress tracking.

Tuilder Web Services

October 2020 – July 2024

Full-Stack Web Developer (Angular & .NET)

March 2024 – July 2024
  • Built a productivity platform using .NET Razor Pages (WorkWithMe).
  • Integrated a 3D logo matrix with Three.js for a Virtual Background Web App.
  • Supported development of a server-driven app framework using .NET and Angular.

Full-Stack Mobile Developer (Flutter & Node.js)

June 2021 – July 2024
  • Created the LE Teams App mobile application.
  • Implemented background geolocation and offline data sync features.
  • Developed a Node.js backend with MongoDB for app data management.

Frontend Web Developer

October 2020 – June 2021
  • Enhanced and maintained existing websites (Eastward Missions, Music Camp Website).
  • Built a new version of the no-code web builder platform (Tuilder V2).

Activity

GitHub

Commits, pull requests, issues, and reviews from the last 6 years on GitHub.

@pjvillanueva

Live snapshot

View profile

Commits (this year)

0

Total commits (6 years)

0

PRs, issues & reviews (6 years)

0

Kind Words

Client Reviews

Feedback from the founders, product teams, and agencies I've built and shipped products with.

Paul is a very kind and hard working developer. He has great skills in Flutter. During the time he worked for us he also managed to get into Django himself and solved tasks independently. Sadly we don't have enough work for him at the moment but I would hire him again anytime.
Felix Tepel

Felix Tepel

Co-Founder, E1+ Development Agency

Flutter · Django

Paul consistently delivered high-quality work with strong technical execution and a clear focus on user experience. He implemented features efficiently using clean, reusable code while demonstrating thoughtful application architecture and attention to detail. Throughout the project, he showed professionalism, reliability, and steady progress, taking feedback well and continuously improving the quality and maintainability of the application. Overall, he proved to be a dependable developer with a mature approach to building scalable, user-friendly software.
John Thompson

John Thompson

Founder, AfterDark Society LLC

AfterDark Society

Paul is a skilled Flutter developer with solid experience in Firebase and ChatGPT API integration. He approached the project with dedication and a willingness to learn, which we really appreciated. Communication was easy, and he steadily made progress throughout. I'm grateful for his contributions.
AG

Arshiya Gupta

Founder, Couples Harmony

Couples Harmony

Reach Out

Get In Touch

Open to full-time, contract, and remote opportunities