Open to remote, part-time work

Vonmar ViscaynoFullstack Developer | AI-Assisted Developer | QA Tester

I build JavaScript web apps with Node.js, Express, and Next.js — then switch hats to test Flutter apps and Python/FastAPI backends. CS student in Cagayan de Oro, exploring how far AI tooling can push both sides of that loop.

See my work Email me

2×

Hackathon finalist

Dev + QA

End-to-end coverage

About

Full-stack developer and Computer Science student with hands-on experience building JavaScript web applications and testing Flutter mobile apps and Python/FastAPI backends. Skilled in functional, regression, and API testing, automation and AI tool integration, and end-to-end problem solving from development through QA. Seeking remote, part-time opportunities in full-stack development, AI-assisted development, or software QA.

Location

Cagayan de Oro, PH

Education

B.S. Computer Science, USTP — expected 08/2026

Focus

Full-stack dev, AI integration, QA

Capabilities

Tech stack & skills

What I build with, and what I use to make sure it actually works.

Development

JavaScriptNode.jsExpress.js Next.jsREST APIsHTML/CSS FlutterDartPython FastAPIC++

Databases & Cloud

SQLSupabasePostgreSQL SQLiteFirebase AuthFirestore Clerk

QA & Testing

Manual TestingFunctional Testing Regression TestingExploratory Testing Test Case DesignBug Reporting API Testing (Postman)Defect Docs

Tools & Automation

GitGitHubVS Code Android Emulatorn8nVapi Gemini APIGroq API

Featured work

Things I've built

Personal and hackathon projects — spanning full-stack apps, mobile, and AI prototypes.

Personal project

Infinity — Real-Time AI Teaching Platform

Live

A full-stack LMS where users create custom AI "Allies" and hold real-time voice tutoring sessions via Vapi, with per-user rate-limiting to control API costs.

Clerk auth + Clerk Billing (Stripe) subscription tiers with server-enforced usage limits
Ally library with search/filter and optimistic-UI bookmarking

Next.js 16SupabaseClerk VapiTailwind v4shadcn/Radix

Live demo GitHub

Personal project

Zymphony — Flutter Music App

Tested

A Flutter mobile app built and functionally tested end-to-end — auth, navigation, and YouTube-based playback.

Reproduced and isolated failures (API 404s, emulator networking, Gradle build issues)
Retested fixes for regressions across auth, playback, and backend connectivity

FlutterDartFirebase Auth FirestoreREST APIs

GitHub

Personal project

AI Call Coaching / SaaS Prototype

Live

A prototype for real-time AI-assisted call coaching and post-call analysis using AI APIs and backend services.

Evaluated live-response behavior, API reliability, and analysis output quality across call scenarios

LLM APIsBackend ServicesReal-time Analysis

Live demo

Personal project

AI Medical Assistant / Chatbot Prototype

Prototype

A conversational AI prototype over patient datasets, validating API responses and data-format edge cases.

LLM APIsData Validation

GitHub

Education & achievements

Timeline

Expected 08/2026

B.S. Computer Science

University of Science and Technology of Southern Philippines — Cagayan de Oro City

08/2025

Top 10 Finalist — Byte Forward Hackathon Mindanao

09/2025

Top 10 Finalist — AI.DEAS Hackathon, Region 10

04/2026

Certificate of Completion — The Complete Full-Stack Web Development Bootcamp

Angela Yu

Contact

Let's build something.

Open to remote, part-time roles in full-stack development, AI-assisted development, or software QA.

vonmarviscayno@gmail.com +63 917 135 6019 GitHub LinkedIn