Function generator
A basic function generator circuit.
Available for work, anywhere
Johnstheward S. Alvarado
John installs, tests and troubleshoots the hardware that keeps people connected, from helping install cell site equipment with Smart Communications to setting up Wi-Fi and CCTV for a school campus.
- Based in
- Davao City, Philippines
- Studying
- BS Computer Engineering, Holy Cross of Davao College
- Field experience
- Cell site installation, Wi-Fi access points, CCTV
- Looking for
- New opportunities in tech
01. About
About
John is a Computer Engineering student at Holy Cross of Davao College with hands-on experience in cell site installation, Wi-Fi and CCTV setup, and hardware troubleshooting. In 2026 John completed Smart Communications’ Wireless Engineering Education Program (SWEEP), assisting engineers with cell site installation.
John follows procedures closely, works safely on site, explains technical problems in plain language, and is building toward a career in embedded systems, IoT and networking.
John learns by building, and uses Claude Code, Anthropic’s AI coding assistant, to help write and debug code, work through problems, document work and build web pages, including this one.
02. FLOATech
FLOATech
An Arduino-based, solar-powered floating unit for tilapia farms. It looks after a fish pond automatically, designed so farmers of Oreochromis niloticus (Nile tilapia) spend less time checking the pond by hand. Built and tested on a real pond by a four-person team at Holy Cross of Davao College, 2026.
-
01.
Real-time water monitoring
Water-parameter sensors with real-time feedback monitoring.
-
02.
Automated feeding
An automated feeder that feeds the fish on schedule.
-
03.
Water aeration
Runs water aeration for the pond automatically.
- 01. Feeder
- 02. GSM module
- 03. Sensor monitoring
- 04. Microbubble diffuser
What went into it
- Arduino control with custom-soldered circuit boards, voltage regulators, LCD and keypad
- Solar panel, charge controller and battery for off-grid power
- Weatherproof enclosures on a pontoon frame of buoyant barrels
- Microbubble diffuser for aeration and a GSM module
Recognized twice in 2026: Second Runner Up, Best Design Project Exhibit (TechnoFair 2026), and 2nd Best Research Poster (CET Research Conference, Conversazione 2026).
- Arduino
- Sensors
- Automation
- Solar power
- Aquaculture tech
03. Other projects
Other projects
Mono amplifier with speaker
An audio amplifier circuit driving a speaker.
Walking cobot
A four-legged, box-type walking cobot (collaborative robot).
This website
John’s portfolio site, built with HTML, CSS and JavaScript and hosted on GitHub Pages.
Built with Claude Code
04. Skills
Skills
Networking and field work
- Wi-Fi access point installation and setup
- Cell site installation support
- Cable connection and termination
- CCTV installation
- Network performance monitoring
- Basic networking
- Site safety procedures (OSH)
Hardware and embedded
- Hardware troubleshooting
- Microcontroller and embedded development
- Sensors and automation
- Solar power systems
Software and tools
- Claude Code (AI-assisted development)
- HTML, CSS and JavaScript
- Microsoft Excel
- Ookla Insights
- CellMapper
- AI prompting for documentation
Working with people
- On-site support for non-technical staff
- Clear technical explanations
- Accurate data entry and records
- Teamwork under deadlines
05. Experience
Experience
2026
Wireless Engineering Trainee
Smart Communications, Inc. · Smart Wireless Engineering Education Program (SWEEP) · Davao
- Assisted engineers with cell site installation, connecting and terminating feeder and grounding cables on outdoor radio units while following site safety protocols.
- Recorded and analyzed network performance data in Excel, Ookla Insights and CellMapper to support network monitoring.
- Checked rack and board status in network equipment management software to confirm hardware was active and running normally.
- Built HTML pages and AI prompts that made the team’s internal documentation faster to produce and easier to use.
- Completed the program and received a Certificate of Completion from Smart Communications.
2024
Network and CCTV Technician
Anawim Elementary School, Inc. · Davao City
- Installed and configured wired Wi-Fi access points to give the school reliable connectivity for daily operations.
- Installed CCTV cameras across the campus and handled basic troubleshooting when problems came up.
- Gave on-site technical support to teachers and staff.
2023
Data Entry and Sales Inventory Clerk
Various assignments · Davao City
- Kept digital records and inventory data accurate and up to date in Microsoft Excel.
- Supported sales operations with inventory tracking and administrative coordination, often handling several tasks at once.
06. Awards
Awards
2025
Champion
Networking Competition
March 2026
Second Runner Up
Best Design Project Exhibit, TechnoFair 2026 (FLOATech), Holy Cross of Davao College
May 2026
2nd Best Research Poster
CET Research Conference, Conversazione 2026 (FLOATech), Holy Cross of Davao College
07. Education
Education
2023 to present
BS Computer Engineering
Holy Cross of Davao College
2022 to 2023
BS Electronics and Communications Engineering
Previously enrolled
2016 to 2022
Junior and Senior High School
Davao City National High School
Batch 2016
Elementary
Anawim Elementary School
Training and memberships
- Certificate of Completion, Smart Wireless Engineering Education Program (SWEEP), 2026
- Occupational Safety and Health Orientation
- Basic Computer Networking Workshop
- Programming workshops
- Member, Institute of Computer Engineers of the Philippines (ICpEP)
- Participant, 16th CODEE Region XI Engineering Congress
08. Career roadmap
Career roadmap
John aims to become a Computer Engineering professional in embedded systems, IoT and networking, building technology that improves efficiency, sustainability and productivity.
-
1–3 years
Build the foundation
- Complete the degree and on-the-job training
- Improve programming skills and build more monitoring and automation projects
- Develop leadership, project management and communication skills
-
3–5 years
Grow in industry
- Build a career in the tech industry and take on more responsibility
- Design and deploy real-world technology solutions
- Join research and development on automation and smart systems
-
5–10 years
Give back
- Become a recognized expert in the field
- Contribute to innovation in food security and resource management
- Mentor future IT professionals in local communities
09. Contact
Get in touch
John is open to new opportunities, wherever the work is. Email is the fastest way to reach John.
Download resume (PDF)- Location
- Davao City, Philippines
- GitHub
- github.com/JSAlvarado