Hello, My Name is

Carmen

Software QA Engineer with Flutter Development experience

7 +

Years of Experience

I am a passionate software QA engineer and Flutter developer with over 7 years of experience in delivering high-quality applications. My expertise lies in manual and automated testing, ensuring seamless user experiences and robust functionality.

What I Do

Bug Tracking & Quality Assurance

Manual Testing

Manual testers ensure applications function as expected by executing test cases, reporting bugs, and validating user experiences for reliability and quality.

Efficiency & Scalability

Automation Testing

Automation testers build and maintain test scripts to speed up testing cycles, reduce errors, and ensure consistent results across multiple environments.

Integration & Reliability

API Testing

API testers validate endpoints, responses, and data flow to guarantee secure, accurate, and reliable communication between systems and services.

Cross-Platform Apps

Mobile Development

Mobile developers create modern apps with smooth UI/UX and robust performance using Flutter, delivering consistent experiences across iOS and Android.

Professional Skills

TS
TypeScript
JS
JavaScript
DA
Dart
HT
HTML & CSS
FL
Flutter
FB
Firebase
PG
PostgreSQL
Git
GitHub
PW
Playwright
CY
Cypress
PA
Patrol
PM
Postman
BS
BrowserStack
JR
Jira
Claude AI
GC
GitHub Copilot
GPT
ChatGPT
CU
Cursor
Language Framework & tech Testing & QA tool AI tool

Resume

Education

Udemy

Dart & Flutter - Zero to Mastery [2025] + Clean Architecture

2022

Learn AI Tools & Build AI Agents for Software Testing

2025

Experience

QA Engineer & Flutter Developer

Company A

Remote | Australia

Set up Patrol for Flutter mobile automation, built test scripts, validated APIs & databases, debugged issues, and collaborated with teams to ensure app quality, coverage, and consistency.

QA Engineer

Company B

Remote | USA

Conducted manual and automated QA testing with Playwright and TypeScript, ensuring app quality, resolving critical issues, collaborating with teams, and improving reliability through reviews and stand-ups.

Flutter Developer

Workbase

Remote | Germany

Feb 2023 - Aug 2023

Built a Flutter employee portal with videos, news feeds & surveys. Applied Clean Architecture, QA checks, animations, and collaborated with the team to deliver a smooth, engaging user experience.

Flutter Developer

Titanware

Remote | Spain

June 2022 - Dec 2022

Developed and maintained Flutter apps for Web, Android, and iOS using Dart, BLoC, and Firestore. Ensured clean, maintainable code while debugging and fixing issues to deliver high-quality apps.

Flutter Developer | QA Engineer

eigital

Remote | USA

Jan 2021 - Nov 2022

Ensured consistent design across the app by testing UI for functionality and visuals, debugging layout issues, and fixing design-related problems to maintain a seamless user experience.

Led QA updates in US meetings, mentored junior team members, set up automation frameworks, built Cypress scripts, documented code, wrote assertions, and troubleshot issues to ensure quality.

Manual Tester

CAI-STA Philippines Inc.

On-site | Philippines

Jul 2019 - Nov 2020

Documented defects in a bug tracker, supported UAT, trained clients, drafted system user manuals, and performed DB queries to ensure data accuracy between the database and UI.

Portfolio

  • Personal
  • Quality Assurance
  • Development
  • All

Quality Assurance & Development

Restaurant Management System

Tested web and mobile applications for a Restaurant Management System through manual and Cypress automation testing.

Quality Assurance & Development

Early Childhood Staffing System

Improved software quality and release efficiency for an Early Childhood Staffing System by building automation frameworks with Playwright and Flutter Patrol, performing end-to-end testing across web, mobile, API, and AI-powered features, and validating backend data integrity.

Quality Assurance

Internal Revenue Integrated System

Performed manual testing by identifying and tracking software defects, validating database integrity, and supporting User Acceptance Testing (UAT). Conducted client training sessions and created user documentation to ensure successful product adoption.

Quality Assurance

Branch Management System

Supported the software implementation lifecycle by validating application functionality, ensuring backend data accuracy.

Development

Employee Management System

Developed a Flutter employee portal with training, news, and survey features. Applied Clean Architecture, implemented UI animations, and validated completed features to ensure code quality, maintainability, and timely releases.

Development

Virtual Card Management System

Developed a cross-platform Virtual Card Management System using Flutter, integrating Cloud Firestore and BLoC architecture to deliver secure, scalable, and maintainable applications for Web, Android, and iOS.

Personal

TokoMart — Mobile E-Commerce Application

A mobile multi-seller marketplace where buyers can browse products, manage a cart, and place orders, while sellers list products with variants, track inventory, and fulfill orders through a dedicated dashboard — built with Flutter for Android and iOS.

See Link

Personal

TokoMart — Web E-Commerce Application

A web-based multi-seller marketplace where buyers can browse products, manage a cart, and place orders, while sellers list products, track inventory, and fulfill orders through a dedicated dashboard — built with React.

See Link

Personal

Playwright Web E2E Automation — TokoMart

Automated buyer and seller flows using Playwright with Page Object Model, section-decomposed page classes, and shared auth state. Covers checkout (COD, card), variant selection, and the seller product wizard.

See Link

Personal

Maestro Mobile E2E Automation — TokoMart

Built mobile E2E tests using Maestro, following a modular architecture with Flows, Subflows, and reusable helper layers. Used Flutter Semantics identifiers for stable widget targeting across buyer and seller flows.

See Link

Personal

Patrol Mobile E2E Automation — TokoMart

Built mobile E2E tests using Patrol with LeanCode's modular architecture — Modules, System, and ApiClients layers. Used ValueKeys for stable widget targeting across buyer and seller flows.

See Link

Testimonials

1 / 6

Danny H

Manager

"Carmen is one of those engineers on your team that accelerates and increase the quality of changes that goes out to your customers. A strong self-starter who can work independently and within a team, she was instrumental in delivering changes on our mobile app with weekly releases. Her strength in both Flutter and QA automation enabled advanced features to be developed rapidly with high quality, leading the implementing of Patrol into our automation test suite. She is fantastic at grasping complex systems and regulatory controls, as well as best practices for user experience and interaction."

Contact Me

Address

Central Luzon, Philippines

Freelance

Available Anytime

Email

carmenflutter7@gmail.com

Mobile

+63 928 240 3790

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