Clark Neilsen Diza
I'm a Developer
About
Software Engineer II & Backend Developer
Backend-focused Software Engineer building scalable APIs and microservices with Java, Spring Boot, and related infrastructure, with previous experience delivering government and private-sector systems.
I work primarily with Java, Spring Boot, REST APIs, databases, API gateways, and microservice architectures. I also bring previous full-stack experience with Laravel and VueJS, plus three years as an IT Instructor advising 7 capstone groups to a 100% pass rate.
Yearsof experience
Projectsdelivered
Capstonegroups advised
Capstone Pass Rateall groups
Skills
A practical toolkit built from real projects — government systems, private platforms, and classroom instruction.
Frontend
Backend
DevOps & Tools
Productivity
Resume
Backend-focused Software Engineer with experience across enterprise services, government systems, and IT education.
Summary
Clark Neilsen Diza
Backend-focused Software Engineer experienced in Java, Spring Boot, REST APIs, microservices, and API integration, with previous full-stack and IT education experience.
- Bibincahan, Sorsogon City, 4700
- +63 (956) 628-8259
- dizacn.prsn@gmail.com
Education
Bachelor of Science in Information Technology
2018 – 2022
The Lewis College, Sorsogon City
Strong foundations in software development, database management, and networking. Academic projects in Laravel, MySQL, and system design.
Senior High School — Computer Programming (TVL)
2016 – 2018
The Lewis College, Sorsogon City
Specialized in computer programming and web design. Built small-scale projects in VB.Net, C++, and HTML/CSS.
Professional Experience
Software Engineer II • Mid-Level Backend Developer
Beacon, Solutions Inc., Quezon City
- Develop and secure scalable Java/Spring Boot microservices and RESTful APIs.
- Build core backend services for enterprise platforms, including EDXIP, SSS, and DND portals.
- Collaborate with engineering teams to refactor legacy architecture, enforce database integrity, and resolve production bugs.
Web Developer
2022 – 2025
The Lewis College & Freelance, Sorsogon City
- Built Identification & Monitoring System of Travelers for Sorsogon Province (Laravel & VueJS)
- Developed Procurement System with Document Tracking for Sorsogon City Municipal Hall
- Led development of Pharmaceutical Inventory System (Laravel, Docker, Postman)
- Client requirements gathering, project alignment, and deployment
College Instructor — Information Technology
2022 – 2025
The Lewis College, Sorsogon City
- Taught Python, PHP, Web Development, Database Management, and OOP to 100+ students yearly
- Mentored 7 capstone groups — 100% pass rate
- Designed lesson plans integrating real-world industry projects
Portfolio
Client systems and personal tools built across government and private sectors.
- All
- Client Projects
- Personal Projects
- Professional Projects
PRMS
Pharmaceutical Resource Management System
Full inventory and resource management platform for Physics Pharmaceutical — built with Docker and tested via Postman.
SPTES
Sorsogon Province Traveler Entry System
Identification and monitoring system for travelers entering Sorsogon Province — built for the provincial government during a high-demand period.
ATTrack
Serverless Attendance Tracker
Attendance tracking system with zero server cost — powered entirely by Google Apps Script and Google Workspace integrations.
EDXIP
Enterprise API Management Platform
Backend engineering work on an enterprise API management platform, involving Spring Boot microservices, REST APIs, Kong Gateway integration, PostgreSQL, and object-storage services.
Government Body Portal (NDA)
Enterprise Government Portal
Backend engineering contribution to a government enterprise portal, focusing on Spring Boot services, RESTful APIs, business logic, validation, and system integration.
DND Portal
Enterprise Company Portal
Backend engineering contribution to an enterprise internal company portal, developing and supporting Spring Boot RESTful services, business logic, and integration workflows.
Achievements
Competitions, recognitions, and certifications.
Ateneo Programming Challenge 2021
Ateneo de Naga University
Placed 1st overall representing The Lewis College in a competitive programming contest held via HackerRank. Coached by Ramoncito Dealca.
Apache Kafka for Event-Driven Spring Boot Microservices
Udemy
Completed training focused on Apache Kafka and event-driven microservices using Spring Boot.
Master Spring Boot 3 & Spring Framework 6 with Java
Udemy
Completed training focused on Spring and Spring Boot using Java.
Advisorship
7 capstone groups advised at The Lewis College — all passed.
CMRMS
Construction Material Resource Management System
Inventory tracking for construction materials using the ABC methodology, with integrated payroll and stock monitoring.
LIMS
Lagamayo Inventory Management System
Smart inventory platform with Exponential Smoothing demand forecasting for seasonal stock planning.
Self-IT
Web-based Personal Planner
Productivity planner with real-time task tracking, reminders, and habit formation analytics.
D-Journal
Travel Journal with NLP Mood Detection
Mobile travel journal with NLP sentiment analysis and interactive maps showing emotional data across tourist spots.
BBIMS
Blood Bank Inventory Monitoring System
Blood inventory forecasting using SARIMA for the Philippine Red Cross, predicting demand by blood type and season.
AILICE
AI-Powered Learning Management System
LMS with an AI chatbot tutor and adaptive learning paths for The Lewis College BED teachers.
E-Jeepney Connect
Real-time GPS Tracking & Seat Reservation
Transport booking platform for modern jeepneys — GPS tracking, advance seat reservations, and cashless payments.
Services
Comprehensive web development and IT solutions backed by 3+ years of real-world delivery.
Custom Web Development
Full-stack applications using Laravel, VueJS, PHP, and MySQL. From government systems to private company solutions.
Database Design & Optimization
Expert MySQL architecture, optimization, and migration. Ensuring data integrity, performance, and scalability.
Server Setup & DevOps
Linux server configuration, Docker containerization, CI/CD setup, and cloud deployment.
Business Process Automation
Document tracking, inventory management, and workflow automation using Google Apps Script and custom web solutions.
System Integration & API Development
Custom API development, third-party service integration, and system interoperability solutions.
Contact
Have a project in mind? Let's talk.
Address
Bibincahan, Sorsogon City, 4700
Immaculate Conception, Quezon City, 1100
Phone
+63 (956) 628-8259
dizacn.prsn@gmail.com