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John Lehmar Cabrillos

@johnlehmarcabrillos

IT Manager at CoinOp Group, leading software and hardware initiatives while contributing hands-on development and AI-assisted delivery.

Philippines

Message

At CoinOp Group, I plan IT projects and lead software development and hardware innovation initiatives while contributing hands-on development. I also use AI-assisted approaches in requirements analysis, documentation and solution delivery.

At Zylun Philippines Inc., I developed and supported an image portal and a mobile image-tagging application. My work has also included IoT hardware with ESP32, embedded-device tools, and cloud-hosted web and mobile solutions.

Experience

Work history, roles, and key accomplishments

Current

IT Manager

Current

CoinOp Group

Oct 2025 - Present (1 year)

Plan and coordinate IT projects with stakeholders, conduct technical assessments, and lead software development and hardware innovation initiatives while contributing hands-on development.

Project Management Technical Leadership Requirements Analysis AI assisted Development Quality Assurance Documentation

Project Manager

Peregrine Consulting Group

Jun 2024 - Aug 2026 (2 years 2 months)

Led the IoT team in developing hardware solutions using ESP32 and similar microcontrollers, integrated with software platforms. Managed project planning and contributed to full delivery lifecycle.

IoT ESP32 C C++Angular Java GCP Project Management Client Engagement

Full-Stack Software Engineer

Zylun Philippines Inc.

Nov 2021 - Aug 2025 (3 years 9 months)

Gathered requirements and designed web and mobile solutions, delivering a mobile image-tagging application and an image portal. Created system tools and automated features to streamline processes.

Android Java SQLite Google API JavaScript Go Python AngularJS React Tornado MySQL Nginx

Technical Lead

Ascentri Inc.

May 2019 - Oct 2021 (2 years 5 months)

Analysed software, hardware and firmware requirements and led hands-on development of web applications, machine monitoring, and embedded-device tools. Automated deployment across Linux and Raspberry Pi.

Angular NodeJS Laravel Python C C++PHP Shell Scripting AWS Firebase MySQL MongoDB Microsoft SQL Server Linux Raspberry Pi

Software Engineer (Part-time)

Cebu Institute of Technology - University TBI

Jul 2020 - Aug 2021 (1 year 1 month)

Designed and developed a web-based Learning Object Management System covering content creation, review, publication and role-based workflows.

TypeScript JavaScript Angular Express NodeJS MongoDB Heroku

Computer Engineering Instructor

Cebu Institute of Technology - University

Nov 2017 - Oct 2019 (1 year 11 months)

Taught engineering, programming and hardware-related subjects. Designed, developed and tested a web-based compiler for a user-defined programming language.

Teaching Python Heroku Web Development

Junior Systems Engineer

Rococo Global Technologies Corporation

May 2015 - Oct 2017 (2 years 5 months)

Designed, developed and tested web, Android, iOS, desktop, embedded and network-management applications. Contributed to banking, telecommunications, and automotive firmware testing.