An enterprise-grade, real-time web application for streamlining field service operations, triaging incoming tickets, and tracking team performance.
JavaScript
Tailwind CSS
Supabase
PostgreSQL
Google Apps Script
Cypress
Netlify
Hi, my name is
Gian Jericho Espino.
I build scalable systems.
A Computer Engineer who builds enterprise-grade web and mobile applications. I specialize in transforming real-world operational bottlenecks into automated, scalable software solutions — from real-time dispatch systems to field technician mobile apps.
Projects.
Real-world systems I've designed, built, and deployed.
A Flutter-based mobile application designed for telecommunications field technicians to manage job orders and locate clients via Google Maps.
Flutter
Dart
Google Maps API
REST API
Firebase
A premium Google Apps Script (GAS) solution for managing and monitoring service tickets across multiple municipalities.
Google Apps Script
HTML5
CSS3
JavaScript
Google Sheets
Supabase
A sleek, modern Flutter application offering a centralized dashboard to track work hours and monitor production goals.
Flutter
Dart
Firebase
Provider
An ESP32-powered automated brewing system designed to monitor and regulate sugar palm sap fermentation.
ESP32
C/C++
PID Control
RTOS
I2C/SPI
Telemetry
A robust automation pipeline orchestrating Chrome browser actions, AppleScript, API integrations, and local data verification.
Python
AppleScript
Google Sheets API
Prospeo API
Chrome Automation
Data Enrichment
Experience.
Where I've applied my skills in the real world.
Contract Full-Stack Software Engineer
Jonathan & Cyber (Remote)RemoteJuly 2026
- Engineered real-time SIEM/SOC dashboard features using Next.js and Supabase, implementing complex Exposed Vulnerabilities filtering arrays.
- Configured Google Cloud service accounts and direct Google Sheets API integrations to automate QA bug-tracking updates.
- Conducted a comprehensive codebase and infrastructure readiness audit, identifying critical data migration, mock animation, and production backup gaps.
- Shipped localized database migrations (SQL schema updates) and seeded realistic test datasets to establish a production-matching preview environment.
Lead Gen and AI Workflow Engineer
Wiser (Remote)United KingdomJuly 2025 – Present
- Execute B2B lead generation and data enrichment using Apollo.io, Prospeo, and LinkedIn Sales Navigator.
- Orchestrate LinkedIn outreach campaigns and account health checks using EagleRev, Gendo AI, and multi-profile browsers (GoLogin/AdsPower).
- Architected Claude API workflows to automate personalized outreach and lead qualification.
- Managed executive prospecting and CRM data verification for global outreach campaigns.
Customer Service Representative and Warehouse Custodian
CONVERGE ICTTagaytay City, CaviteJuly 2025 – May 2026
- Resolved technical inquiries and managed service requests for up to 30 customers daily, identifying operational bottlenecks to inform custom software solutions.
- Developed and deployed an automated ticketing system using Google Forms and Apps Script, successfully processing over 4,200 requests and eliminating manual data entry.
- Managed tracking for telecom hardware, generating over 50 comprehensive reports and ensuring 100% accurate logging of equipment dispatched to field technicians.
- Conceptualized and built the Mountaintop-Dispatch-Manager and Job Order Mobile App based on direct field and warehouse operational needs.
Committee Member, Operations and Implementation
College of Engineering and Information TechnologyIndang, CaviteSeptember 2024 – June 2025
- Facilitated technical setups and managed operational logistics for college-wide engineering events and activities.
- Coordinated with student teams and faculty to ensure the smooth execution of departmental operations and technical implementations.
Skills.
Technologies and tools I work with.
Languages & Programming
TypeScriptNext.jsFlutterDartPythonC++CJavaJavaScriptHTMLCSSSQL
AI Tools
OpenClawAntigravityClaude CodeGemini
Developer Tools & Platforms
Git / GitHubVS CodePyCharmJupyter NotebookGoogle Apps ScriptGoogle WorkspaceMicrosoft OfficeSalesforceOBS StudioFirebaseSupabase
Languages
EnglishTagalog
Certifications.
Professional credentials and completed specializations.
Data Analytics & AI
Natural Language Processing Specialization
Coursera
Deep Learning with TensorFlow
IBM / Cognitive Class
Data Analytics Essentials
CISCO Networking Academy
Introduction to Data Science
CISCO Networking Academy
The Ultimate Guide to ChatGPT and AI
Udemy
Networking & Security
Networking Essentials
CISCO Networking Academy
Cybersecurity Essentials
CISCO Networking Academy
Introduction to Cybersecurity
CISCO Networking Academy
Getting Started with Cisco Packet Tracer
CISCO Networking Academy
Embedded & Software Systems
Embedded Systems & IoT Joint Program
Universiti Teknologi MARA & Cavite State University
Software Engineering Specialization
College of Engineering and Information Technology, CvSU
Foundations of User Experience (UX) Design
Google via Coursera
Google Analytics Certificate
Google
Education.
Academic foundation and notable achievements.
Bachelor of Science in Computer Engineering
Cavite State UniversityIndang, CaviteExpected June 2026
- Thesis: Design and Development of an Automated Kaong Wine Brewing System
- Specialized Data Analytics as Electives
High School Diploma
Tagaytay City Science National High SchoolTagaytay City, CaviteJuly 2022
- Graduate with Honors
- Robotics Club Member
- Radio Broadcasting Technical Support
Get in Touch.
Let's build something great together.
Let's work together.
I'm open to freelance opportunities, internships, and full-time roles in software engineering. If you have a project or idea you'd like to discuss, feel free to reach out.