Current Employment Status:
Hired Full Time on Aug 9, 2025

Kevin

Full Stack Web Developer | Next.js, Supabase & TypeScript Specialist

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Overview

Looking for full-time work (8 hours/day)

at $10.94/hour ($2,076.80/month)

Bachelors degree

Last Active

May 5th, 2026 (8 days ago)

Member Since

June 19th, 2023

Profile Description

I'm a Full Stack Engineer who ships AI-native products end-to-end. I architect backend infrastructures, design resilient database schemas, and build high-performance frontends and mobile apps. I take ownership of the whole product lifecycle, from schema design to production deployment.

Recent shipped work:
Elizabeth.ai: multi-tenant AI commerce SaaS for Filipino micro-businesses. One platform handles Messenger ordering, live inventory, and a suki memory layer that recognizes returning customers. I built a regex-first Taglish parser that resolves roughly 60% of orders before any LLM fires, orchestrated a three-provider cascade (Claude Sonnet 4, Gemini 2.5 Flash, GPT-4o) with per-vendor circuit breakers, and wrote the conversation engine as character-as-config so the same pipeline runs distinct Ordering and Sales personas per merchant.

Urie.ai: offline-first fitness app built for Filipinos who eat real Filipino food. Auto-adjusting TDEE that recalibrates as your weight drops without manual re-entry, 1,500 foods from the FNRI database so "pork adobo" isn't approximated as "roast pork," and a 2.3B-param Gemma model running on-device via llama.rn so the AI coach has zero subscription cost. A custom Kotlin Expo module keeps workout sessions alive on hostile OEMs (OPPO, Xiaomi, Realme) where most "offline" apps die silently

Core Engineering Expertise:
System Architecture: Distributed systems with modern stacks (Next.js / Supabase) and high-concurrency environments (Elixir / Phoenix).

AI Orchestration: Multi-provider LLM cascades (Claude, Gemini, GPT-4o), on-device inference via llama.rn, regex + LLM hybrid parsing for cost control, semantic routing with embeddings, and circuit breakers for vendor reliability.

Mobile & On-Device: React Native / Expo, custom Kotlin native modules, llama.rn for local LLM inference, SQLite + Drizzle ORM, offline-first architecture with crash-recovery state persistence.

FinTech & Transactional Logic: Dual-ledger wallet systems powering real money transactions, atomic operations with zero data loss, and complex Stripe payment flows with zero tolerance for race conditions.

Real-Time & Multiplayer: WebSockets and real-time state synchronization. Built creator-fan messaging platforms and a hybrid graphical / text MMORPG engine using ECS architecture with client-side prediction and server reconciliation.

DevOps & Reliability: Containerization (Docker), background task processing (Celery / Redis), GDPR-compliant data infrastructure, Sentry crash telemetry, and EAS Build pipelines for mobile.

Technical Stack:

Mobile: Expo SDK 55, React Native 0.83, Kotlin (custom Expo modules), llama.rn, Notifee, expo-location, expo-sensors, kalman-filter

Frontend: Next.js (App Router), React, Tailwind CSS, TypeScript, Zustand, TanStack Query

Backend: Supabase / PostgreSQL, Node.js (Deno), TypeScript, Elixir / Phoenix, Django (Python)

AI: Anthropic Claude, Google Gemini, OpenAI, Groq, OpenRouter, Gemma (on-device via llama.rn)

Infrastructure: Docker, Redis, Stripe API, Vitest / Cypress, CI/CD, Supabase Edge Functions, Vercel, EAS Build, Sentry

I'm a Cum Laude IT graduate with 9+ industry certifications (CCNA, Python, Security). I thrive in roles where I can take full ownership from initial schema design to final production deployment. I'm looking for opportunities where I can ship complex, AI-integrated products end to end, not just stitch together CRUD endpoints.

Top Skills

Experience: 6 months - 1 year

Built RESTful APIs and integrated third-party services, including Stripe payments, OpenAI, Hive AI, and Resend. Experience with authentication, webhooks, rate limiting, and error handling.

Experience: 6 months - 1 year

Production experience with Supabase (PostgreSQL) for bloopop.io and multiplayer systems. Built complex database schemas, wrote SQL functions and triggers, implemented Row-Level Security (RLS), and used Edge Functions (Deno) for serverless backend logic. Experience with real-time subscriptions, authentication, and storage.

Experience: 6 months - 1 year

Built production application using Next.js 15 (App Router), React, and TypeScript. Developed bloopop.io - a creator platform with real-time messaging, Stripe payments, and AI moderation. Experienced in building scalable web apps with modern frameworks, responsive design (Tailwind CSS), and complex state management.

Other Skills

Experience: Less than 6 months

Built production apps using Next.js 15 App Router with Server Components, Server Actions, and API routes. Developed bloopop.io and multiplayer systems with advanced React patterns and state management.

Experience: 6 months - 1 year

Production experience building type-safe applications with TypeScript in Next.js, React, and Node.js environments. Implemented complex type systems for financial transactions, real-time messaging, and API integrations.

Experience: 6 months - 1 year

Implemented payment processing with Stripe API including checkout flows, webhooks, subscription management, and transaction handling with race-condition safeguards.

Experience: 6 months - 1 year

Daily use of Git for version control, branching strategies, pull requests, and collaborative development workflows.

Crypto Project Discord Moderator December 2021 – May 2023 Effectively managed and moderated an online community of 150k crypto enthusiasts.  Ensured a positive and inclusive atmosphere, resulting in increased member retention and satisfaction. Fostered a sense of community by actively engaging with members, resolving conflicts, and addressing any inquiries the community had.  Planned and organized multiple events for better community engagement. Moderated the official Facebook group of Cryptoblades.

Experience: 6 months - 1 year

Experience: Less than 6 months

Experience: Less than 6 months

Experience: Less than 6 months

Used to develop PermitEase and SPCF-UniVents

Experience: Less than 6 months

Used to develop PermitEase and SPCF-UniVents

Experience: Less than 6 months

Used to develop POS system

Experience: Less than 6 months

Containerized applications for development and deployment. Experience with Docker Compose for multi-service architectures.

Basic Information

Age
25
Gender
Male
Website
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Address
Mabalacat City, Pampanga
Tests Taken
IQ
Score:  124
DISC
Dominance: 32
Influence: 7
Steadiness: 25
Compliance: 36
English
B2(Upper Intermediate)
Government ID
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