Real systems. Proven outcomes.
We focus on outcome-driven software engineering. Explore our detailed case studies showcasing how we design scalable web applications, optimize database query paths, and build high-speed systems.
Live Product Architecture & Case Breakdown
Factura DGII — Dominican Republic Tax Invoice Generator
Local-first, privacy-focused fiscal invoice generator for DGII NCF & e-NCF compliance
Factura DGII is a high-speed, privacy-first web application designed for Dominican Republic freelancers, contractors, and small businesses to issue compliant NCF fiscal tax invoices with automated ITBIS calculations and instant PDF rendering.
PrestaCRM — Loan & Credit Portfolio Management Platform
Specialized operating system for credit entities, lenders, and loan portfolio managers
PrestaCRM is an all-in-one loan management and portfolio operations platform. It centralizes applicant intake, automated AI/rules-based risk scoring, French amortization schedules, an immutable double-entry ledger, and automated WhatsApp collection notifications.
Healthy Food Punta Cana — Nutrition & Health Assessment Platform
Digital health intake, meal plan subscription, and school lunch booking portal
Healthy Food Punta Cana is a modern web application and health evaluation portal for Chef Nutritionist & Dietitian Jennifer Núñez. It features interactive online health assessment forms, custom meal plan subscriptions, and school lunch program bookings.
La Antorcha Digital — Independent Digital Newspaper Platform
High-concurrency news publishing platform, daily editorial briefing & RSS aggregator
La Antorcha Digital is an independent digital newspaper and publishing platform delivering news, analysis, and opinion across politics, economics, culture, and sports in Spain and internationally.
Infrastructure & Database Audits
Scaling Conversational AI
Helping a leading conversational customer support startup handle massive chat throughput while reducing operating expenses.
Approach & Architecture
- Implemented semantic Redis caching to bypass repeated GPT calls.
- Sidekiq worker queues for offloading non-blocking transcript evaluation.
- Optimized SSE streaming connection overhead by 200ms per session.
Predictive Autoscaling
Designing a custom queue-based autoscaler to handle unpredictable task workloads and minimize cloud server idle time.
Approach & Architecture
- Engineered custom queue-depth velocity daemon in Ruby polling Redis/Sidekiq.
- ECS capacity scaling based on predicted arrival rates instead of CPU spikes.
- Slimmed Docker container boot times from 90s to 14s.
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