I’m a full-stack web developer specializing in building fast, scalable, and user-focused web applications. With hands-on experience across front-end, back-end, cloud infrastructure, and browser extensions, I help businesses turn complex ideas into polished, reliable digital products. My strongest skills include: Front-end: React, Next.js, Vue, TypeScript, Tailwind Back-end: Node.js (Express/Nest), Python (FastAPI), Java (Spring), REST APIs Cloud & DevOps: AWS, Serverless architectures, CI/CD pipelines, Docker Browser Extensions: Chrome/Firefox extensions, automation tools, workspace productivity apps What sets me apart from other developers is my ability to work end-to-end: I can architect systems, write clean and maintainable code, design intuitive UIs, and deploy production-ready apps with performance and scalability in mind. I treat each project like a long-term product: focusing on code quality, maintainability, and deliverables that actually move your business forward. I have industry experience in EdTech, HealthTech, FinTech, SaaS platforms, and E-Learning, helping clients build secure, data-driven applications tailored to real user needs. Whether you're launching a new product or improving an existing one, I bring a practical, problem-solving mindset to deliver high-impact results quickly and efficiently. --- **Employment and project experience** **System Administrator** Aeon Technologies, Inc _Jul 2025 - Nov 2025_ **Full-stack Developer** Be Structured Technology Group _May 2021- May 2025_ **PHP Developer** Health Innovations _May 2019- Apr 2021_

Gian Esguerra

I’m a full-stack web developer specializing in building fast, scalable, and user-focused web applications. With hands-on experience across front-end, back-end, cloud infrastructure, and browser extensions, I help businesses turn complex ideas into polished, reliable digital products. My strongest skills include: Front-end: React, Next.js, Vue, TypeScript, Tailwind Back-end: Node.js (Express/Nest), Python (FastAPI), Java (Spring), REST APIs Cloud & DevOps: AWS, Serverless architectures, CI/CD pipelines, Docker Browser Extensions: Chrome/Firefox extensions, automation tools, workspace productivity apps What sets me apart from other developers is my ability to work end-to-end: I can architect systems, write clean and maintainable code, design intuitive UIs, and deploy production-ready apps with performance and scalability in mind. I treat each project like a long-term product: focusing on code quality, maintainability, and deliverables that actually move your business forward. I have industry experience in EdTech, HealthTech, FinTech, SaaS platforms, and E-Learning, helping clients build secure, data-driven applications tailored to real user needs. Whether you're launching a new product or improving an existing one, I bring a practical, problem-solving mindset to deliver high-impact results quickly and efficiently. --- **Employment and project experience** **System Administrator** Aeon Technologies, Inc _Jul 2025 - Nov 2025_ **Full-stack Developer** Be Structured Technology Group _May 2021- May 2025_ **PHP Developer** Health Innovations _May 2019- Apr 2021_

Available to hire

I’m a full-stack web developer specializing in building fast, scalable, and user-focused web applications. With hands-on experience across front-end, back-end, cloud infrastructure, and browser extensions, I help businesses turn complex ideas into polished, reliable digital products.

My strongest skills include:
Front-end: React, Next.js, Vue, TypeScript, Tailwind
Back-end: Node.js (Express/Nest), Python (FastAPI), Java (Spring), REST APIs
Cloud & DevOps: AWS, Serverless architectures, CI/CD pipelines, Docker

Browser Extensions: Chrome/Firefox extensions, automation tools, workspace productivity apps

What sets me apart from other developers is my ability to work end-to-end: I can architect systems, write clean and maintainable code, design intuitive UIs, and deploy production-ready apps with performance and scalability in mind. I treat each project like a long-term product: focusing on code quality, maintainability, and deliverables that actually move your business forward.

I have industry experience in EdTech, HealthTech, FinTech, SaaS platforms, and E-Learning, helping clients build secure, data-driven applications tailored to real user needs. Whether you’re launching a new product or improving an existing one, I bring a practical, problem-solving mindset to deliver high-impact results quickly and efficiently.


Employment and project experience

System Administrator Aeon Technologies, Inc
Jul 2025 - Nov 2025

Full-stack Developer Be Structured Technology Group
May 2021- May 2025

PHP Developer Health Innovations
May 2019- Apr 2021

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent
Japanese
Intermediate

Work Experience

System Administrator at Aeon Technologies, Inc
July 1, 2025 - November 8, 2025
Improved platform uptime from 97.8% to 99.9% through optimized Linux server configurations and monitoring. Implemented Docker-based CI/CD pipelines, reducing deployment times by 70%. Reduced production incidents by 80% with proactive debugging and performance tuning. Collaborated with development teams to improve performance, reduce downtime, and secure cloud deployments.
Full Stack Web Developer (Hybrid) at Be Structured Technology Group
May 1, 2025 - May 1, 2025
Built Node.js and Python FastAPI services powering multi-user SaaS admin portals and reporting tools. Developed modular REST APIs, authentication flows, and RBAC systems handling 1,000+ active users. Designed FastAPI microservices for analytics pipelines, improving data processing speed by 85%. Integrated OpenAI + LangChain to automate summaries and internal reporting, reducing workload by 80%. Migrated legacy PHP/Laravel systems to modern Node.js + FastAPI stacks, cutting maintenance effort by ~25%. Implemented real-time dashboards using WebSockets + Chart.js for live operational insights. Reduced API latency through query optimization and refactoring, improving backend throughput by ~25%. Automated deployments via Docker + GitHub Actions, reducing release cycle time from 12–24 hours to 2 hours. Mentored developers and improved code review processes, reducing PR rework rate by 20%.
PHP Developer (3rd Shift) at Health Innovations
May 1, 2019 - May 1, 2021
- Delivered 20+ Laravel/WordPress features across multiple client projects. - Built Vue.js + Laravel frontends that increased client engagement by 22%. - Improved database performance by 50% using indexing and caching techniques. - Assisted in migrating client sites to secure, scalable hosting environments.

Education

Bachelor of Science in Computer Science at University of Guam
August 1, 2017 - May 1, 2021

Qualifications

AWS Certified Developer - Associate
January 1, 2022 - November 8, 2025
React - The Complete Guide
January 1, 2020 - November 8, 2025
Zend Certified PHP Engineer
January 1, 2019 - November 8, 2025

Industry Experience

Software & Internet, Education, Healthcare, Professional Services, Media & Entertainment, Real Estate & Construction
    paper BossCat

    BossCat – Home Repair & Service Booking App

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    paper MyThinkingCap – AI-Powered Learning Management System

    MyThinkingCap – AI-Powered Learning Management System

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    Website: https://www.twine.net/signin

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    • Implemented authentication, real-time sync, and database logic using Supabase.
    • Built backend services using Node.js and FastAPI.
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    • Contributed to dashboards, analytics, and user experience improvements.