Hi, I'm

Luis Cazzullo

Fullstack Developer

Specialized in Frontend

ReactNodeTypeScriptNext.jsGraphQLAI Agents

5+ years · Remote-ready

Skills & Technologies

Technologies I work with day to day

Frontend

ReactNext.jsTypeScriptAngularTailwind CSSFramer Motion

Backend

Node.jsExpressNestJSFastAPIRESTGraphQL

AI

LLMsAI AgentsLangChainAnthropic SDKOpenAI APIRAG

Languages

JavaScriptTypeScriptPythonGo

Databases

PostgreSQLMongoDBRedisPrisma

Tools

GitDockerWebSocketsVercelAWSCI/CD

Featured Projects

Work I'm proud of

Mission-critical app for U.S. elections

USA Today / Gannett

Contributed to mission-critical fullstack features for one of the largest U.S. news networks, including election coverage and high-traffic event pages. Improved GraphQL query performance and reduced page load times.

ReactNode.jsGraphQLTypeScriptNext.js
View Site
+30% performance improvement

Manta.com

Led frontend migration from AngularJS to React with SSR using Next.js. Achieved +30% performance improvement and dramatically reduced bundle size for a platform serving millions of small businesses.

ReactNext.jsTypeScriptNode.jsSSR
View Site
Real-time WebSocket architecture

Rolling Code Studio

Built auth systems, real-time features with WebSockets, and RESTful APIs for diverse client projects. Worked across the full stack from MongoDB schemas to React UIs.

ReactNode.jsWebSocketsMongoDBExpress
LLM-powered multi-agent system

AI Agent Platform

Designed and built an AI agent orchestration system using LangChain and the Anthropic SDK. Enables multi-step reasoning, tool use, and autonomous task completion.

PythonLangChainAnthropic SDKFastAPITypeScript

Experience

My professional journey

Fullstack Developer

Globant @ Gannett / USA Today

2023 — Present
  • Developed and maintained fullstack features for USA Today and sister publications
  • Built GraphQL APIs and React components for high-traffic election coverage pages
  • Improved page performance and Core Web Vitals scores across key editorial pages
  • Collaborated with cross-functional teams in an Agile/Scrum environment

Frontend Developer

Globant @ Manta.com

2021 — 2023
  • Led migration from AngularJS to React + Next.js with SSR, improving performance by 30%+
  • Architected component library and design system used across the platform
  • Optimized bundle size and lazy loading strategies for improved Lighthouse scores
  • Mentored junior developers and conducted code reviews

Software Developer

Rolling Code Studio

2020 — 2021
  • Built authentication systems and authorization flows for multiple client projects
  • Implemented real-time features using WebSockets (Socket.io)
  • Designed MongoDB schemas and RESTful APIs with Node.js/Express
  • Delivered full-stack React applications from design to production

Get In Touch

I'm currently open to new opportunities. Whether you have a project in mind or just want to say hi, my inbox is always open.