Developed React components, trained junior devs on VTEX, built data integrations with Python, implemented new features for Speedo Colombia, Samy Cosmetics. Worked on multiple storefronts in monorepo architecture. Improved integration between platform and front-end. Created custom React Hooks, deployed services in AWS.

Enhanced e-commerce framework, extended GraphQL APIs, improved platform integration, created custom React Hooks, AWS deployment.

Managed system design, handled large database, transitioned from monolithic to microservices. Stack: AWS, AngularJS, Node.js, TypeScript, Python.

Tech Lead for invoicing app, updated AWS architecture, led migration to microservices, guided developers.

Developed UI with Material UI and React, backend services with Node.js, integrated file processing with Python and Go.

Set up CI/CD pipelines, migrated JS to TypeScript, built serverless functions with AWS Lambda, managed S3, wrote unit tests with Jest.