Joel Hayag

Joel Hayag

Verified

📍 Cebu, Philippines · Open to International Roles

Senior Software Engineer · Full-Stack Web Development & Sales Automation

Professional Summary

Senior Software Engineer with extensive experience in full-stack web development, automation systems, and performance-focused web applications. Specialized in building scalable solutions that support business growth, operational efficiency, and digital transformation.

Strong background in JavaScript, TypeScript, React, Next.js, Node.js, Python, PHP, and Laravel, with hands-on experience delivering production-ready systems across e-commerce, content platforms, and automation-driven workflows.

Known for a pragmatic, results-driven approach to engineering, combining technical depth with an understanding of business, marketing, and user experience. Comfortable working independently or collaborating with distributed, international teams.

Tech Stack

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Frontend

  • JavaScript
  • TypeScript
  • React
  • Next.js
  • Vue.js
  • Tailwind CSS

Backend

  • Node.js
  • Python
  • Java
  • PHP
  • Express.js
  • NestJS

DevOps & Cloud

  • AWS
  • GCP
  • Azure
  • Docker
  • Kubernetes
  • GitHub Actions

AI & Machine Learning

  • TensorFlow
  • PyTorch
  • LangChain
  • Transformers
  • OpenAI
  • Anthropic

Experience

Senior Software Engineer

Freelance / Remote · 2023 – Present

Led full-stack development of automation-driven web applications focused on scalability, performance, and operational efficiency.

  • Built automation systems reducing manual workflows by 40%
  • Designed scalable full-stack architectures using Next.js and Node.js
  • Integrated CRM, payment, and third-party APIs for end-to-end automation
  • Improved application performance and deployment reliability

Full-Stack Web Developer

E-commerce & Marketing Platforms · 2020 – 2023

Developed SEO-optimized platforms and sales automation systems for online businesses.

  • Increased organic traffic and conversions by up to 30%
  • Built marketing funnels and automation using Next.js, PHP, and Laravel
  • Implemented technical SEO and performance optimizations
  • Delivered production-ready systems for multiple clients

Software Tester

Lexmark Cebu · 2004 – 2006

Executed functional and regression testing for enterprise software releases.

  • Performed test case execution for enterprise-scale systems
  • Improved defect detection and reporting workflows
  • Collaborated with developers to validate bug fixes
  • Ensured release stability through structured QA processes

Selected Projects

Web Application

Sales Automation Platform

Designed and developed a full-stack web application to automate lead handling, order processing, and customer follow-ups.

  • JavaScript
  • Next.js
  • Node.js
  • REST APIs
  • Automation
Marketing System

SEO-Optimized Content Platform

Built a content-driven platform focused on technical SEO, performance optimization, and scalable publishing workflows.

  • React
  • Next.js
  • Technical SEO
  • Performance Optimization
Backend System

E-commerce Backend Integration

Implemented backend integrations to synchronize product data, orders, and customer records across multiple systems.

  • PHP
  • Laravel
  • API Integrations
  • Automation