Systems and products I’ve designed, built, and shipped.

A selection of the engineering work I’m most proud of — from production ML and forecasting pipelines to serverless platforms and event-driven systems built to run reliably at scale.

  • Operational Forecasting Pipelines

    End-to-end machine learning pipelines that forecast time-critical operational events at scale across supply-chain logistics and airline network operations.

    github.com/gdelaselva

  • Serverless API Platform

    An AWS serverless API redesign delivering ~10x lower operating cost and ~5x lower integration latency via DynamoDB secondary indexes and Lambda-level caching.

    github.com/gdelaselva

  • Event-Driven Messaging System

    Migration from a tightly coupled WebSocket/MongoDB stack to an SQS/DynamoDB event-driven architecture, cutting dropped messages from 3% to 0% under load.

    github.com/gdelaselva

  • Datacenter Supply-Chain Automation

    A Tier-1 service automating global datacenter supply-chain operations on a distributed, reactive microservices architecture handling assets worth billions annually.

    github.com/gdelaselva

  • Reusable React Component Library

    A library of functional React components built with custom hooks, HOCs, and render props that streamlined auth and data access across four teams.

    github.com/gdelaselva