Gian Esgurra

Gian Esguerra linkedin.com/in/gian-web-dev Software Engineer | Full-Stack Engineer Santa Rosa SUMMARY Senior Full-Stack & AI Integration Engineer with 6+ years of experience building scalable SaaS platforms, AI-powered features, and production-grade systems. Expert in Next.js, React, FastAPI, Node.js, OpenAI API, LangChain, CMS integration, and cloud deployment. Proven ability to convert prototypes into clean, secure, production-ready MVPs, optimize performance, and drive measurable engineering impact. EXPERIENCE System Administrator Aeon Technologies, Inc — Philippines (Remote) Improved platform uptime 97.8% 07/2025 - Present 99.9% through optimized Linux server configurations and monitoring. Implemented Docker-based CI/CD pipelines, reducing deployment times by 70%. Reduced production incidents by 40% with proactive debugging and performance tuning. Collaborate with developers to improve performance, reduce downtime, and secure cloud deployments. Full Stack Web Developer (Hybrid) Be Structured Technology Group — Los Angeles, USA 06/2021 - 05/2025 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 45%. Integrated OpenAI + LangChain to automate summaries and internal reporting, reducing workload 80%. Migrated legacy PHP/Laravel systems to modern Node.js + FastAPI stacks, cutting maintenance effort 35%. Implemented real-time dashboards using WebSockets + Chart.js for live operational insights. Reduced API latency through query optimization and refactoring, improving backend throughput 35%. Automated deployments via Docker + GitHub Actions, reducing release cycle time from 1–2 days 2 hours. Mentored developers and improved code review processes, reducing PR rework rate 20%. PHP Developer (3rd Shift) Wealth Wealthy Web Innovations — Guam, USA 11/2019 - 05/2021 Delivered 40+ Laravel/WordPress features across multiple client projects. Built Vue.js + Laravel frontends that increased client engagement by ~22%. Improved database performance by 30–50% using indexing and caching techniques. Assisted in migrating client sites to secure, scalable hosting environments. 1/2 E D U C AT I O N Computer Science University of Guam - Bachelor of Science in Computer Science 08/2017 - 05/2021 C E RT I F I C AT E S AWS Certified Developer – Associate Udemy 2022 - Present React - The Complete Guide Udemy 2020 - Present Zend Certified PHP Engineer (PHP) Zend Technologies 2019 - Present SKILLS JavaScript (ES6+), TypeScript, Python, PHP, Bash Docker, GitHub Actions, Linux, Vercel, AWS Next.js, React, TypeScript, Vue.js, Tailwind REST APIs, WebSockets, Recharts, Chart.js FastAPI, Node.js, Express, Python, Laravel Maintenance, Bug Tracking & Testing OpenAI API, LangChain, embeddings, Python scripting Legacy Code Refactoring Stripe billing, role-based access, subscription systems, HubSpot API CI/CD, performance optimization, test automation 2/2