Projects, Labs & Write-ups
21 entries across Development, Cloud, and Cybersecurity domains
Projects
4Simple AWS CDK Infrastructure Project
Personal Project • 2025-11-27
A lightweight AWS CDK project demonstrating Infrastructure as Code (IaC) deployment. Provisions an EC2 instance within a custom VPC using TypeScript and CloudFormation. Created in preparation for building more complex infrastructure.
Key Responsibilities
- Built Infrastructure as Code using AWS CDK with JavaScript
- Created VPC with 2 availability zones
- Provisioned EC2 t2.micro instance with Windows Server 2022
- Configured security group with default rules
Highly Available Multi-AZ 1-Tier Web Application
Personal Project • 2025-11-30
In-progress simple 1-tier web app deployed across multiple AZs. Focuses on high availability using an Application Load Balancer routing to EC2 instances in a VPC.
Key Responsibilities
- Design basic 1-tier architecture with ALB + EC2
- Distribute instances across at least two Availability Zones
- Implement health checks and simple scaling policies
- Create architecture diagrams and document research findings
Highly Available & Secure Multi-AZ 2-Tier Web Application
Personal Project • 2025-11-30
In-progress 2-tier web app with public web tier and private data tier. Emphasizes security, subnet isolation, and high availability across multiple AZs.
Key Responsibilities
- Design web tier in public subnets behind ALB
- Deploy database tier in private subnets (Multi-AZ RDS)
- Harden security groups and restrict inbound/outbound access
- Create layered architecture diagrams and summarize design research
Highly Available Multi-AZ 3-Tier Web Application
Personal Project • 2025-11-30
In-progress 3-tier architecture (presentation, application, data) distributed across multiple AZs. Uses ALB for routing, isolated app subnets, and a resilient database tier.
Key Responsibilities
- Separate presentation, application, and data tiers
- Distribute workloads across multiple Availability Zones
- Add health checks and basic failover considerations
- Produce full-stack architecture diagrams and capture research notes
Projects
9Western Union Self-Service Money Transfer Kiosk
meldCX • 2023-01-15
Developed self-service money transfer kiosk application for Western Union with secure payment processing, ID verification, and transaction management capabilities.
meldCX Hotel Check-in/Check-out Kiosk
meldCX • 2022-05-01
Built frictionless self-service kiosk for hotel guest management with RFID keycard dispensing, secure payment processing, ID scanning, and loyalty program integrations.
Key Responsibilities
- Working as application developer of the meldCX Self-Service Hotel Check-in / Check-out NextGen Kiosk
- Handling application release management
- Designed the user interface of the application from the ground up
- Started and developed the application at the beginning until it became production-ready
- Researching different IoT Peripherals APIs and integrating them into the application
- Doing research and documentation for the application improvements
- Reviewing technical requirements, and identifying and organizing tasks
- Implementing improvements and new features on the application
meldCX Self-Service Retail Kiosk
meldCX • 2022-05-01
Created retail self-checkout kiosk with barcode scanning, intuitive category navigation, and integrated payment terminal.
Key Responsibilities
- Working as application developer of the meldCX Self-Service Retail NextGen Kiosk
- Handling application release management
- Designed the user interface of the application from the ground up
- Started and developed the application at the beginning until it became production-ready
- Researching different IoT Peripherals APIs and integrating them into the application
- Doing research and documentation for the application improvements
- Reviewing technical requirements, and identifying and organizing tasks
- Implementing improvements and new features on the application
meldCX agentM Emulator
meldCX • 2022-05-01
Developed browser-based emulator for agentM application enabling developers to test IoT device interactions without physical hardware.
Key Responsibilities
- Working as a developer of the meldCX agentM Emulator
- Doing research and documentation for the application improvements
- Reviewing technical requirements and identifying and organizing tasks
- Implementing improvements on the application
meldCX Core Platform
meldCX • 2021-01-01
Full-stack development of enterprise IoT platform for creating, deploying, and managing commercial applications across devices. OS-agnostic architecture with pre-built integrations, AI-based recovery, and advanced device fleet management.
Key Responsibilities
- Working as front-end and back-end developer of the meldCX Core
- Developed self-healing capabilities for NextGen Kiosks to automatically detect and recover from failures
- Implemented automated alert and notification systems for real-time device monitoring
- Integrating internal APIs and third-party APIs on both the front-end and back-end of the application
- Designing user interfaces for new features of the application
- Doing research and documentation for the application improvements
- Reviewing technical requirements, and identifying and organizing tasks
- Implementing improvements and new features on the application
iLungs: ML-enabled Lung Health Monitoring System
Don Honorio Ventura Technological State University • 2022-06-01
Led development of web-based machine learning system for lung health monitoring and referral in the Philippines. Features ML-powered symptom checker, healthcare provider finder, and regional data analytics for disease tracking.
Key Responsibilities
- Leader of the research group
- Led my co-researchers on the research paper works and system development of iLungs
- Managing the team, and organizing and identifying the research tasks
- Designed, Built, and Tested Machine Learning Models for the Symptom Checker
- Worked on the front-end and back-end of the iLungs web application
- Handled the communication with stakeholders of my University, Health Practitioners, IT Experts, and Government Officials
The Adventures of Ready Kid
RP Innotech • 2020-07-01
Tech lead for educational web application featuring 20 disaster preparedness games for children. Managed full development lifecycle including API creation, front-end development, team coordination, and client handover.
Key Responsibilities
- Worked as the tech lead of the The Adventures of Ready Kid application
- Worked on the front-end and back-end of the application
- Handling application release management of both front-end and back-end application
- Communicating and gathering requirements with the clients
- Started and developed the application at the beginning until it became production-ready
- Created API services for the back application
- Developed the front-end application by converting user interface designs to code and integrating APIs
- Managed the development team, and organized and identified the tasks
- Handed over the application and documentation to the client of the project
Adolescent Resilience Screening Tool
RP Innotech • 2020-01-01
Tech lead for disaster preparedness assessment platform collecting data from adolescents across Philippine regions. Built interactive survey interface, API services, and managed complete development and deployment process.
Key Responsibilities
- Worked as the tech lead of the Adolescent Resilience Screening Tool application
- Worked on the front-end and back-end of the application
- Handling application release management of both front-end and back-end application
- Communicating and gathering requirements with the clients
- Started and developed the application at the beginning until it became production-ready
- Created API services for the back end application
- Developed the front-end application by converting user interface designs to code and integrating APIs
- Managed the development team, and organized and identified the tasks
- Handed over the application and documentation to the client of the project
Telegenixx Digital Health Marketplace
RP Innotech • 2020-01-01
Spearheaded front-end development for digital health marketplace connecting regenerative health professionals, labs, pharmacies, and patients. Integrated third-party libraries and APIs in Agile environment.
Key Responsibilities
- Worked mainly as a front-end developer of the Telegenixx
- Spearheaded the front-end development of the application
- Did research and integrations of third-party front-end libraries
- Integrated internal APIs on the front-end application
- As part of the Agile team, constantly collaborated with the team of Developers, QA Testers, Scrum Master, and Product Owner to precisely identify requirements and ensure the quality of the application
Labs
8Security Audit - Botium Toys
2025-11-12
Conducted comprehensive security audit including scope, goals, risk assessment, controls and compliance checklist for Botium Toys organization.
Google Cybersecurity Professional CertificateNetwork Hardening Analysis
2025-11-12
Analyzed network hardening techniques and tools, performed security risk assessment to identify vulnerabilities and recommend hardening measures.
Google Cybersecurity Professional CertificateNetwork Attack Analysis
2025-11-12
Analyzed network attacks using Wireshark, documented cybersecurity incidents, and interpreted TCP/HTTP logs for threat detection.
Google Cybersecurity Professional CertificateNetwork Layer Communication Analysis
2025-11-12
Performed network traffic analysis at the network layer, created cybersecurity incident reports documenting suspicious activities and vulnerabilities.
Google Cybersecurity Professional CertificateOS Hardening Techniques
2025-11-12
Applied operating system hardening techniques, analyzed tcpdump traffic logs, and documented security incidents with remediation recommendations.
Google Cybersecurity Professional CertificateNIST Cybersecurity Framework Incident Response
2025-11-14
Applied the NIST Cybersecurity Framework to respond to a security incident, performed incident analysis, and documented response procedures following industry best practices.
Google Cybersecurity Professional CertificateActivity Documents (2)
Linux File Permissions Management
2025-11-17
Used Linux commands to manage file permissions, examined and modified file system permissions using chmod, and documented security configurations for proper access control.
Google Cybersecurity Professional CertificateSQL Query Filtering for Security Analysis
2025-11-20
Applied SQL filters to investigate security incidents, query databases for suspicious activities, and extract relevant security data using WHERE clauses and operators.
Google Cybersecurity Professional CertificateActivity Documents (2)