Research and Development Engineer based in Marilao, Bulacan
ruzhour@gmail.com
https://ruzellramirez.com
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Career Details
Senior Web Developer
ThinkSmart Software (2023–Present)
- Developing and maintaining projects using React, NestJS, Flutter, React Native, and Laravel.
- Set up CI/CD pipelines, SSL, PM2, and server hardening; manages GitLab deployments and infrastructure.
Special Projects Engineer
Revlv Solutions Inc. (2022–2023)
- Led end-to-end development of a municipal software system in Capiz.
- Built and pitched MVP for a private university in Naga City.
Full Stack Developer
Invix (2021–2022)
- Built Selenium-based automation tools and managed EC2, Keycloak IAM, and MQTT systems.
- Handled monitoring and DevOps as part of a small agile team.
Information Systems Researcher II
UP Los Baños (2021)
- Completed a stalled WSN irrigation project within a year.
- Co-authored and presented research at an international conference.
Product Development Engineer
Circuitrocks (2019–2021)
- Delivered custom hardware/software electronics projects.
- Wrote tutorials, technical documentation, and product content.
Expertise
- Domains: EdTech, Municipal Systems, IoT, Cloud Infrastructure
- Specializations: Full-Stack Development, CI/CD, Server Admin, DevOps, Technical Writing
- Languages: TypeScript, Dart, Python, C/C++, PHP
- Frameworks: NestJS, React, Flutter, Laravel, Vue
- Databases: PostgreSQL, MongoDB, InfluxDB, MySQL
- Infra: AWS, Docker, GitLab CI, Nginx, PM2
- Boards: ESP32, STM32, Arduino, Jetson Nano, Raspberry Pi
Notable Projects
- Sustainsia (FlexPHD 2023): Gamified mobile app for healthy and sustainable eating habits. Features include PHD plate suggestions, barcode scanning, and habit quests.
🏆 2nd Runner-Up · ₱100,000 prize
Publications
- Development of a real-time wireless sensor network-based information system for efficient irrigation
IOP Conference Series: Earth and Environmental Science, Vol. 1038 — Nov 10, 2021 - Performance evaluation of a water level sensor under turbidity
IOP Conference Series: Earth and Environmental Science, Vol. 1038 — Nov 10, 2021 - SER Performance of a Mobile Handheld Device in On-Axis Rotational Motion
IEEE HNICEM — Apr 23, 2020
Licenses & Certifications
- Electronics and Communications Engineer License — PRC, Nov 2019
- Google IT Support Professional Certificate — Google, Oct 2020