John E.

Full Stack Developer | Senior Software Engineer

Philippines

Overview

Senior full-stack engineer with 7+ years building React/Next.js + Node.js/TypeScript platforms across real estate, fintech, and healthcare. I design and ship high-performance, SEO-optimized web apps and event-driven APIs on AWS, from architecture through implementation, testing, and monitoring. Track record of reducing latency, improving lead conversion, and enabling cross-team delivery through clean code, CI/CD, and mentoring.

Skills and Tools

• React
• Next.js
• Node.js
• Express.js
• NestJS
• AWS
• PostgreSQL
• MySQL
• MongoDB
• Full Stack Development

Work History

• Senior Full-Stack Engineer

  Olafluence, contract

  Mar 2024 to Jun 2025

  Led migration of a multi-tenant real-estate portal from CRA to a Next.js 14 + TypeScript monorepo, introducing a shared design system and improving core page LCP by ~35% while cutting UI code duplication by ~40%

• Software Engineer

  Foxpay, contract

  Jun 2021 to Feb 2024

  Built NestJS and Express.js microservices for onboarding, payouts, and ledger reconciliation using PostgreSQL + Redis; reduced p95 latency on high-traffic APIs by ~30% and improved throughput during peak loads.

• Full-Stack Developer

  Arcanys, full_time

  Jun 2018 to May 2021