Full Stack Engineer 8 years React, Next.js, Node.js Python, LLM

Paulo Carbonel

Full Stack Engineer

*****************@*****.*** +639********* Muñoz, Nueva Ecija, PH in/paulo-carbonel-tech/ SUMMARY

Full Stack Engineer with 8 years of experience building scalable web and AI-driven applications across fintech, healthcare, and SaaS domains. Strong technical background in React, Next.js, and TypeScript on the frontend, combined with Node.js and Python (FastAPI/Django) on the backend, with hands-on expertise in LLM integration and AI- powered systems. Proven ability to design and deliver end-to-end solutions, from system architecture to deployment, while driving performance optimization and product impact. Experienced in cross-functional collaboration, agile methodologies, and leading initiatives that improve development velocity and system reliability. Available for remote- first roles with global teams, offering strong communication and effective time zone overlap, with a preference for startup environments.

WORK EXPERIENCE

Full Stack Engineer (Contract), Revid AI

•Led modernization of legacy frontend into a scalable architecture using React, Next.js, and Tailwind CSS, improving page performance scores by 35% and accelerating feature delivery cycles.

•Developed AI-powered content generation pipelines using FastAPI and LLM integrations

(OpenAI/Claude), enabling dynamic video creation and increasing user engagement by 45%. 05/2025 – 02/2026

Remote

•Introduced LangChain-based orchestration for complex AI workflows, reducing prompt- processing latency by 30% and improving output consistency across use cases.

•Designed event-driven system architecture using RabbitMQ, enabling asynchronous video processing and improving system throughput under peak load by 50%.

•Deployed and managed cloud infrastructure on AWS using Docker, ensuring scalable video processing pipelines and reducing infrastructure costs by 20%.

•Optimized video generation performance through parallel processing and caching strategies, decreasing average rendering time from minutes to near real-time (<40 seconds). Full Stack Engineer, Arcanys

•Developed scalable frontend architecture for a fintech web application using TypeScript and Next.js, improving transaction flow performance and increasing user conversion rate by 22%.

•Introduced Vue.js for rapid development of a headless eCommerce platform, accelerating delivery timelines by 30% and improving maintainability for client teams. 06/2022 – 04/2025

Cebu, PH. Remote

•Delivered a cross-platform solution for a healthcare application, combining React (web) and React Native (mobile), reducing development redundancy by 40% across platforms.

•Built and deployed a fitness mobile application using React Native, achieving smooth performance across iOS/Android and reaching 50K+ downloads within the first 6 months.

•Implemented backend services for fintech systems using NestJS, improving modularity and scalability of APIs while reducing service response times by 25%. Software Engineer, Heidi Health

•Engineered core backend services for an AI-driven healthcare SaaS platform using Python and Django, supporting secure patient data workflows and improving system reliability

(99.9% uptime).

•Integrated AI-powered diagnostic and recommendation features into backend systems, enabling real-time inference and increasing feature adoption by 35%. 04/2020 – 05/2022

Melbourne, AU,

Remote

•Designed and maintained RESTful APIs with Django REST Framework, ensuring seamless frontend-backend communication and reducing API error rates by 28%.

•Optimized PostgreSQL database performance for high-volume medical records, reducing complex query execution time by 40% through indexing and query refactoring.

•Adopted test-driven development practices using pytest, increasing code coverage to 85% and significantly reducing production defects.

Web Developer, Hireplicity, Inc.

•Built responsive UI components for an EdTech learning platform using React and Material UI, improving usability and increasing average session duration by 18% through refined UX and consistent design systems.

•Reduced frontend rendering time for a course delivery product by 30% through code- splitting, memoization, and efficient state management, improving initial load performance and user experience.

02/2016 – 03/2020

Cebu, PH. Remote

•Implemented secure backend endpoints for a multi-tenant SaaS platform using Node.js and Express.js, strengthening authentication flows (JWT) and reducing unauthorized access incidents by 25%.

•Integrated MongoDB for scalable data persistence in a subscription-based SaaS product, improving query efficiency and reducing data retrieval latency by 20%.

•Established CI/CD pipelines using Git and GitHub Actions, decreasing deployment time by 40% and enabling consistent, automated releases across environments. EDUCATION

Bachelor's Degree of Computer Science, Adamson University 03/2011 – 08/2015 Manila, Philippines

SKILLS

Frontend

•TypeScript, JavaScript

•React, Next.js, Vue.js

•React Native

•Tailwind CSS, Material UI

•UI/UX, Figma

Generative AI & Automation

•LLM Integration (OpenAI, Claude, Gemini Pro)

•Retrieval-Augmented Generation (RAG)

•Al Orchestration (LangChain, LangGraph)

•Workflow Automation (n8n, Make, Zapier)

System Design & Architecture

•Architectures: Microservices, Event-Driven (EDA), Serverless

•Distributed Caching: Redis

•Communication: WebSockets, Message Queues

(RabbitMQ/Kafka)

Backend & Database

•Node.js, Express.js, NestJS

•Python, Django, FastAPI

•PostgreSQL, MySQL, MongoDB

•Firebase, Supabase

•RESTful API, GraphQL

•Authentication & Authorization (JWT, OAuth2)

Cloud & DevOps

•AWS (S3, ECS, Lambda, RDS), Microsoft Azure, GCP

•Docker, Kubernetes

•Version Control: Git

•CI/CD: GitHub Actions

•Infrastructure as Code: Terraform

•Vercel, Netlify

Testing & Quality Assurance

Jest, Cypress, pytest

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