Ignacio – AWS, React, Typescript

A climate tech platform that enables users to configure solar panel mounting systems and receive real-time online quotes. The product is integrated into partner websites through APIs and iframes, with a single-page frontend and microservice APIs supporting pricing and configuration logic.

• Built and maintained the frontend using React and TypeScript in a single-page application architecture, managing shared state with Context API;
• Developed and maintained REST APIs in Node.js using an Azure Functions microservices approach, secured with API-key authentication;
• Designed and worked with a MongoDB non-relational data layer for quote and configuration data;
• Supported API and iframe integrations for embedding the platform into partner sites;
• Wrote automated tests using Jest and Playwright;
• Set up and maintained CI/CD pipelines with Azure Pipelines.

An online financial platform for automotive customers in the US and Canada, centered on a payment estimator that enables users to model financing and lease scenarios for vehicle purchases. The product is delivered as lightweight, brand-flexible embedded modules across dealer and brand websites through micro-frontends and inline frames.

• Developed the payment estimator frontend in React/TypeScript using a micro-frontend architecture with Redux for state management;
• Built and integrated the estimator into multiple host sites via inline frames and dedicated embeddable apps;
• Created and maintained serverless REST APIs in NestJS, secured with OAuth authentication;
• Designed and provisioned AWS infrastructure (S3, API Gateway, CloudFront, WAF) using CloudFormation;
• Worked with both relational (MySQL) and non-relational (Redis, DynamoDB) databases to support estimator and session data;
• Wrote automated tests using Jest and Cypress;
• Maintained CI/CD pipelines using GitHub Actions and Concourse.

A marketing platform for automotive dealerships that enables potential customers to submit financing interest and dealer inquiries directly from brand and dealer websites. The product is distributed through micro-frontends and dedicated embeddable apps, with serverless APIs connecting submissions to downstream financial and CRM systems.

• Built lead and prospect submission forms and flows in React/TypeScript within a micro-frontend architecture;
• Supported integration of the submission flows into dealer and brand sites via inline frames and standalone embeddable apps;
• Created and maintained serverless REST APIs in NestJS to process and route submissions, secured with OAuth;
• Provisioned supporting AWS infrastructure (API Gateway, CloudFront, S3, WAF) with CloudFormation;
• Worked with MySQL and DynamoDB/Redis for storing and caching submission data;
• Wrote automated tests using Jest and Cypress;
• Maintained CI/CD pipelines with GitHub Actions and Concourse.

A human resources e-commerce platform that enables recruiters to browse and purchase recruitment products and services. The product uses a server-side-rendered frontend with an Atomic Design system, while the backend processes orders and events through a container-based, event-driven architecture.

• Built the frontend using React/TypeScript with Redux and server-side rendering, following Atomic Design principles in a multi-page application;
• Created and maintained APIs in Node.js with Express, deployed in Docker containers as part of an event-driven architecture using Kafka;
• Implemented JWT-based authentication across services;
• Designed and worked with relational (PostgreSQL) and non-relational (MongoDB) databases;
• Supported migration of legacy resources from .NET to Node.js/AWS;
• Wrote automated tests using Jest;
• Maintained CI/CD pipelines using Code Pipeline and Jenkins.