Open to Opportunities · Remote (US & Global Overlap)

Hi, I'm Dreb

Software QA Engineer

Philippines

UTC+8 (Global Remote Overlap)

Software QA Engineer with fullstack development foundations. I build automated E2E test suites with Playwright, validate mission-critical REST APIs with Postman, and uncover high-risk edge cases before production releases. Bringing a code-centric, security-first mindset to software quality across distributed teams.

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My Work

Featured Projects & QA Case Studies

Just Holistics project preview
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Just Holistics

Led end-to-end quality assurance across responsive interfaces, practitioner directories, and user flows. Performed exploratory testing paired with API validation for data payloads and endpoint stability, authored standardized QA SOPs for bug triage and regression cycles, and integrated automated smoke tests with Playwright.

PlaywrightPostmanZephyr ScaleJiraFigma
Style Driven project preview
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Style Driven

Architected and engineered a fullstack CRM and conversion funnel platform for design and development agencies. Implemented reactive real-time database schemas with Convex, user authentication with Clerk, dynamic client portals, and automated transactional email workflows via Resend.

Next.jsConvexShadcn/uiTailwind CSSClerkResendStrapi
Feminine Attractions project preview
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Feminine Attractions

Conducted end-to-end QA for a custom Shopify storefront, verifying pixel-accurate Figma design fidelity across mobile and desktop. Systematically validated high-priority e-commerce flows including user authentication, appointment booking, shopping carts, checkout funnels, payment gateways, and third-party integrations.

JiraZephyr ScalePostmanFigma
Spirit Visions project preview
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Spirit Visions

Managed end-to-end QA across a custom Shopify apothecary storefront to guarantee a seamless buyer journey. Conducted responsive UI design audits against Figma prototypes and systematically validated high-priority commerce flows including cart operations, discount code logic, and secure checkout processing.

JiraZephyr ScalePostmanFigma

My Journey

Experience & Education

Experience

QA Specialist (Automation)

Optima Solutions

Remote (WFH)

Jan 2026 - Present
  • •Developed automated Playwright E2E regression suites, accelerating testing cycle efficiency by 80%.
  • •Authored 500+ structured test cases in Zephyr Scale and validated API payloads with Postman, maintaining near-zero defect leakage on critical production releases.
  • •Collaborated with cross-functional engineering teams during sprint cycles to analyze edge cases, perform exploratory testing, and triage blocker bugs ahead of launch.
PlaywrightZephyr ScalePostmanJiraTypeScriptRegression TestingFigma

Lead Developer

Naviport (Startup)

On-site

Jul 2025 - Jan 2026
  • •Built and launched a maritime travel information hub MVP using React and modular architecture, enabling passengers to verify requirements beforehand.
  • •Conducted 20+ on-site usability testing sessions with port travelers and terminal operators, iteratively refining workflows to reduce boarding friction.
  • •Engineered resilient REST APIs and responsive client interfaces, maintaining sub-300ms response times under low-connectivity port conditions.
ReactREST APIsSystem ArchitectureUsability TestingModular Design

Lead Software Engineer

Style Driven

Remote (WFH)

May 2025 - Aug 2025
  • •Led architecture and engineering of core agency CRM and conversion funnel features, delivering 20+ production features on schedule.
  • •Implemented reactive real-time database schemas with Convex, Clerk authentication, and transactional email pipelines via Resend.
  • •Directed engineering code reviews and smoke-test protocols, increasing team sprint delivery velocity by 20%.
Next.jsConvexClerkTailwind CSSResendTypeScriptCode Review

Full-Stack Web Developer

Independent Contractor

Remote

Oct 2024 - May 2025
  • •Delivered custom fullstack web applications, client portals, and responsive interfaces from database schema design to deployment.
  • •Engineered normalized relational database schemas, secure RESTful APIs, and pixel-accurate responsive interfaces tailored to client specifications.
ReactPostgreSQLDatabase DesignREST APIsTailwind CSSFullstack Development

Education

BS in Information Technology

Magna Cum Laude · Top 12 University-Wide

Caraga State University

Philippines

2022 - 2026
  • •Graduated Magna Cum Laude, ranked 12th highest across the entire graduating university class (cumulative GPA: 1.37).
  • •Completed comprehensive IT curriculum specializing in software development, system architecture, and defensive cybersecurity.
  • •Represented the university as team leader in national & regional CTF championships and startup hackathons.
Software EngineeringSystem ArchitectureNetwork SecurityAlgorithms

Technical Toolkit

Testing Stack & Core Competencies

Quality Assurance & Testing

Figma logo
Figma
Jira logo
Jira
Playwright logo
Playwright
Postman logo
Postman
Zephyr Scale logo
Zephyr Scale
Mailisk logo
Mailisk

Frontend & UI

Next.js logo
Next.js
Shadcn/ui logo
Shadcn/ui
Tailwind CSS logo
Tailwind CSS
Bootstrap logo
Bootstrap
React logo
React
Vue.js logo
Vue.js

Backend & APIs

Convex logo
Convex
Node.js logo
Node.js
FastAPI logo
FastAPI
Laravel logo
Laravel
Supabase logo
Supabase

Integrations & Services

Clerk logo
Clerk
Resend logo
Resend
Stripe logo
Stripe
Google Maps logo
Google Maps
Strapi logo
Strapi

Tools, Security & CI/CD

GitHub logo
GitHub
Kali Linux logo
Kali Linux
Vercel logo
Vercel
Docker logo
Docker
Git logo
Git
Loom logo
Loom

Security & Accreditations

Honors & Security Credentials

Competitive cybersecurity & CTF championships. I apply this offensive security mindset directly to QA—validating authentication boundaries, preventing API parameter tampering, and catching critical vulnerabilities before release.

Competitions & CTF Championships

ASEAN CyberShield Hacking Contest10th Placer (International)

KISA (Korea Internet & Security Agency) • 2023

HackForGov 4 CTF RegionalsChampion (Teams)

DICT • 2025

HackForGov 4 CTF RegionalsTop Individual Scorer

DICT • 2025

Caraga Startup Pitch FestChampion

DOST • 2025

HackForGov 3 CTF RegionalsChampion (Teams)

DICT • 2024

Certifications & Training

Certified Cybersecurity Educator Professional (CCEP)Certified

Red Team Leaders • 2025

Capacity Development on Ethical HackingTraining Credential

DICT CARAGA • 2025

Let's Connect

Looking for a Software QA Engineer or want to discuss automated testing and quality assurance? Feel free to reach out directly.