Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
English
Advanced
Tagalog
Advanced
Spanish; Castilian
Beginner
Aragonese
Intermediate
Javanese
Intermediate
Work Experience
Principal Full Stack Engineer at Sourcescrub
May 31, 2025 - August 2, 2025Led enterprise analytics platform development using React, Vue, Next.js and Node.js, serving 10,000+ monthly users with 30% performance improvement through optimized architecture. Integrated LLM APIs and machine learning models using OpenAI GPT and Claude for NLP and TensorFlow.js for client-side inference. Architected comprehensive RESTful APIs with advanced caching, reducing response times from 800ms to 300ms. Implemented multi-layered security measures and testing infrastructure, cutting critical bugs by 20%. Spearheaded DevOps automation via Docker and AWS, reducing deployment time from 45 to 12 minutes. Mentored 6+ engineers and established coding standards improving development velocity by 40%.
Senior Full Stack Engineer at Makro PRO
March 31, 2020 - August 2, 2025Architected B2B e-commerce mobile platform with React Native frontend and NestJS backend for multi-country Southeast Asia operations. Designed GraphQL API architecture with optimized caching improving data flow efficiency by 35%. Implemented complex mobile-first business logic handling 50,000+ daily transactions with real-time inventory validation and offline capability. Collaborated on AWS cloud deployments using Dockerized microservices ensuring scalability. Developed automated testing frameworks and performance monitoring for mobile applications.
Full Stack Engineer at SimCorner Pty Ltd
December 31, 2017 - August 2, 2025Developed admin system with Next.js and TypeScript alongside Node.js backend to revolutionize global SIM card inventory management. Engineered serverless architecture using AWS S3 and Lambda, reducing infrastructure costs by 40%. Implemented payment workflows with Stripe API, supporting multi-currency and robust error handling. Optimized database performance with advanced ORMs, cutting response times by 50%. Led modernization from monolithic to microservices architecture with zero-downtime deployment.
Freelance Full Stack Developer at Fiverr
December 31, 2014 - August 2, 2025Delivered React Native and Next.js solutions for healthcare, education, and e-commerce clients with 5-star ratings. Developed HIPAA-compliant mental health platform with secure messaging and encrypted authentication. Built e-learning CMS with Vue.js and Express.js featuring multimedia support and progress tracking. Created job board platform with advanced filtering and real-time notifications using modern JavaScript frameworks.
Frontend Developer Intern at IT Block Pte. Ltd.
May 31, 2013 - August 2, 2025Supported frontend development for event management platforms using jQuery, Bootstrap, and responsive design. Collaborated on backend integration with PHP and MySQL while learning full-stack fundamentals. Led dashboard modernization enhancing mobile responsiveness and user experience through UX improvements.
Principal Full Stack Engineer at Sourcescrub
May 31, 2025 - August 2, 2025Led enterprise analytics platform development using React, Vue, Next.js and Node.js, serving over 10,000 monthly users with 30% performance improvement through optimized architecture. Integrated large language model APIs and machine learning models for intelligent data analysis and automated insights, including OpenAI GPT and Claude integrations. Architected RESTful APIs with advanced caching strategies, significantly reducing response times. Implemented multi-layered security and testing infrastructure, decreasing critical bugs by 20%. Spearheaded DevOps automation with Docker and AWS, reducing deployment time from 45 to 12 minutes. Mentored 6+ engineers and established coding standards that boosted development velocity by 40%.
Senior Full Stack Engineer at Makro PRO
March 31, 2020 - August 2, 2025Architected a comprehensive B2B e-commerce mobile platform using React Native frontend and NestJS backend supporting multi-country Southeast Asia operations. Designed sophisticated GraphQL API architecture with optimized caching, improving data flow efficiency by 35% and reducing network overhead for mobile clients. Implemented complex mobile-first business logic managing over 50,000 daily transactions with real-time inventory and offline capabilities. Collaborated on AWS cloud deployments using Dockerized microservices ensuring scalability for international operations. Developed automated testing frameworks and performance monitoring systems for mobile apps.
Full Stack Engineer at SimCorner Pty Ltd
December 31, 2017 - August 2, 2025Developed an admin system with Next.js and TypeScript with Node.js backend to revolutionize global SIM card inventory management. Engineered serverless architecture integrating AWS S3 and Lambda functions, cutting infrastructure costs by 40%. Implemented sophisticated Stripe-based multi-currency payment workflows with comprehensive error handling. Optimized database performance with advanced ORMs, reducing response times by 50%. Led the modernization from monolithic to microservices architecture achieving zero-downtime deployment.
Freelance Full Stack Developer at Fiverr
December 31, 2014 - August 2, 2025Delivered React Native and Next.js solutions for clients in healthcare, education, and e-commerce with 5-star ratings. Developed HIPAA-compliant mental health platform featuring secure messaging and patient management using React and encrypted authentication. Built e-learning CMS using Vue.js and Express.js supporting multimedia and progress tracking. Created a job board platform with advanced filtering and real-time notifications using modern JavaScript frameworks.
Frontend Developer Intern at IT Block Pte. Ltd.
May 31, 2013 - August 2, 2025Supported frontend development for event management platforms using jQuery, Bootstrap, and responsive design principles. Assisted backend integration using PHP and MySQL while learning full-stack fundamentals. Led dashboard modernization efforts improving mobile responsiveness and enhancing user experience through UX improvements.
Principal Full Stack Engineer at Sourcescrub
May 31, 2025 - August 2, 2025Led enterprise analytics platform development using React, Vue, Next.js and Node.js, serving 10,000+ monthly users with 30% performance improvement through optimized architecture. Integrated LLM APIs and machine learning models for intelligent data analysis and automated insights, including OpenAI GPT and Claude integrations for NLP and TensorFlow.js for client-side inference. Architected comprehensive RESTful APIs with advanced caching strategies, reducing response times from 800ms to 300ms. Implemented multi-layered security measures and comprehensive testing infrastructure, cutting critical bugs by 20%. Spearheaded DevOps automation using Docker and AWS, reducing deployment time from 45 to 12 minutes. Mentored 6+ engineers while establishing coding standards that improved development velocity by 40%.
Senior Full Stack Engineer at Makro PRO
March 31, 2020 - August 2, 2025Architected comprehensive B2B e-commerce mobile platform using React Native frontend and NestJS backend, supporting multi-country operations in Southeast Asia. Designed sophisticated GraphQL API architecture with optimized caching that improved data flow efficiency by 35%. Implemented complex mobile-first business logic handling 50,000+ daily transactions with real-time inventory validation and offline capabilities. Collaborated on AWS cloud deployments with Dockerized microservices to ensure scalability for international operations. Developed automated testing frameworks and performance monitoring for mobile applications.
Full Stack Engineer at SimCorner Pty Ltd
December 31, 2017 - August 2, 2025Developed comprehensive admin system using Next.js and TypeScript with Node.js backend for global SIM card inventory management. Engineered serverless architecture integrating AWS S3 and Lambda functions that reduced infrastructure costs by 40%. Implemented sophisticated payment workflows using Stripe API with multi-currency support and comprehensive error handling. Optimized database performance using advanced ORMs, reducing response times by 50%. Led complete modernization from monolithic to microservices architecture with zero-downtime deployment.
Freelance Full Stack Developer at Fiverr
December 31, 2014 - August 2, 2025Delivered complete React Native and Next.js solutions for healthcare, education, and e-commerce clients with 5-star ratings. Developed HIPAA-compliant mental health platform with secure messaging and patient management using React and encrypted authentication. Built comprehensive e-learning CMS using Vue.js and Express.js with multimedia support and progress tracking. Created job board platform with advanced filtering and real-time notifications using modern JavaScript frameworks.
Frontend Developer Intern at IT Block Pte. Ltd.
May 31, 2013 - August 2, 2025Supported frontend development for event management platforms using jQuery, Bootstrap, and responsive design principles. Collaborated on backend integration using PHP and MySQL while learning full-stack development fundamentals. Led dashboard modernization improving mobile responsiveness and user experience through systematic UX improvements.
Education
Bachelor of Science at University of San Carlos
June 1, 2007 - March 31, 2011Bachelor of Science at University of San Carlos
June 1, 2007 - March 31, 2011Bachelor of Science at University of San Carlos
June 1, 2007 - March 31, 2011Qualifications
Industry Experience
Software & Internet, Financial Services, Healthcare, Education, Retail, Professional Services
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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