John Andrew Batulan
John Andrew Batulan
Available for new opportunities

Senior Full-StackEngineer

Results-driven engineer with 10+ years of experience designing and implementing cutting-edge software solutions. Specialized in performance optimization, scalable architecture, and team leadership.

Philippines
Remote Available
10+
Years Experience
15+
Technologies

Professional Experience

A decade of building scalable solutions and leading high-performing teams

Senior Frontend Developer
LegalMatch Philippines
2022 - 2025
  • Led a complete rebuild of a legacy WordPress site using a headless CMS, resulting in a 90% improvement in site performance.
  • Elevated Google Core Web Vitals from 'Poor' to 'Good' across all mobile and desktop platforms, significantly improving user experience and SEO.
  • Implemented a Docker containerization strategy to streamline deployment and enhance the security of web applications.
  • Developed a standalone marketing video generator using the Pictory API, automating content creation and increasing marketing output.
  • Engineered and deployed Datadog RUM (Real User Monitoring) to proactively monitor site performance and establish a robust alerting system.
  • Designed and built a legal chatbot to handle initial inquiries, effectively directing users to relevant content and a case intake funnel.

Technologies Used

CSS3
SASS
Tailwind CSS
HTML5
JavaScript
TypeScript
WordPress
Node.js
Next.js
React.js
Redux
GraphQL
Docker
Jenkins
Jest
Playwright
Datadog
OpenAI API
Gemini API
Senior Frontend Developer
HawodTech Solutions Inc.
2021 - 2022
  • Developed sub-applications for major eBook platform serving law firms in Spain
  • Designed responsive and accessible UI, improving performance by 20%
  • Built modular, maintainable frontend solutions for scalability

Technologies Used

CSS3
SASS
HTML5
Vue 3
Quasar Framework
SSR
TypeScript
JavaScript
Frontend Development Team Lead
HooliSoftware Inc. - GrubMarket App
2020 - 2021
  • Led the frontend development team and collaborated on database design
  • Built responsive UI components using Tailwind CSS templates
  • Architected scalable frontend solutions for e-commerce platform

Technologies Used

React.js
TypeScript
MySQL
Java Spring Boot
Tailwind CSS
Technical Lead & Software Engineer
HooliSoftware Inc. - SocialWiz
2019 - 2020
  • Led the development of web and mobile solutions for social media management platform
  • Designed and implemented comprehensive roles and permissions system for admin dashboard
  • Improved mobile app development efficiency by 30%
  • Integrated AI capabilities using GPT-Neo for content generation
  • Implemented secure payment processing with Stripe integration

Technologies Used

Vue.js (Vue 2)
JavaScript
Highcharts
Java Spring Boot
MySQL
React Native
JSX
Azure Cloud
GPT-Neo
Python
Stripe
Team Lead & Software Engineer
HooliSoftware Inc. - DeepData
2015 - 2021
  • Led the development of three critical data analytics modules, achieving 50% performance improvement
  • Mentored junior engineers, increasing their development proficiency by 30%
  • Architected scalable data visualization solutions using advanced charting libraries
  • Implemented robust data processing pipelines with AWS cloud services
  • Designed and optimized database schemas for large-scale data analytics
  • Built responsive dashboards for real-time data monitoring and reporting

Technologies Used

Vue.js
JavaScript
Java Spring MVC
Spring Boot
MySQL
AWS Redshift
AWS EC2
AWS ELB
AWS S3
AWS RDS
Highcharts

Technical Expertise

Comprehensive skill set spanning frontend, backend, and leadership domains

Frontend & Full-Stack
JavaScript
TypeScript
Vue.js
React.js
Next.js
Redux
Backend & Databases
Node.js
Java Spring Boot
MySQL
AWS RDS
AWS Redshift
Cloud & DevOps
AWS (EC2, S3, ELB)
Azure Cloud
Docker
Jenkins
Vercel
Mobile Development
React Native
Flutter
UI/UX & Performance
Tailwind CSS
SASS
Headless CMS
Highcharts
Leadership & Agile
Team mentoring
Cross-functional collaboration
CI/CD
Containerization
Education

BS in Information Technology

Pambayang Dalubhasaan ng Marilao, Bulacan

2011 - 2015

BS in Information Technology

Asian College of Science and Technology, Cagayan De Oro

2011 - 2015

Additional Projects

Mobile App Developer (Freelance)

Knocard

2020

Built complete mobile application using Flutter. Successfully deployed to both App Store and Google Play Store.

Mobile App Developer

iConcept Global

March - July 2015

Enhanced Tourism Promotions Board mobile app for Philippines tourism sector with improved UI/UX.

Let's Build Something Great Together

Ready to discuss your next project? I'm always interested in new opportunities and challenging problems to solve.

Email

johnmarcl25@gmail.com

Phone

+63 939 9210 270

Location

Philippines (Remote)