Armando Villanueva

Engineered scalable full-stack fintech solutions processing over 2 million monthly transactions with 99.9% availability; instituted SOLID-based practices, automated unit/integration/E2E/load testing, and optimized CI/CD for secure continuous delivery.

Led backend technical efforts to reduce data update latency by 60% and scale capacity 40% for 75M+ records via containerized PHP/Laravel jobs and Python data pipelines, cutting costs $4,500/month through automation.

Built Angular/TypeScript frontends and Node.js/TypeScript automation that improved support response by 25%, increased engagement 18%, and reduced QA cycle time by 2 days while optimizing video processing for 15,000+ users.

Delivered pixel-perfect Angular applications with NgRx and comprehensive Jest/Karma test coverage achieving zero critical production bugs and 100% design fidelity.

Led a 6-engineer Scrum team to accelerate deployment cadence 20% and delivered a centralized CMS integrated with hybrid mobile apps (Ionic/Angular/React).

Architected microservices and serverless infrastructure with Node.js and Docker, reducing client hosting costs 12% and enabling independent feature scaling.

Directed high-priority e-commerce projects, engineered scalable PrestaShop modules and performant landing pages to optimize conversion rates.

Architected a financial microservice for electronic invoicing and improved high-volume report generation speed by 50% using Redis and Celery within a Django stack.

Digitized administrative workflows by deploying disciplinary and student ID systems and migrated teaching management to open-source platforms, reducing licensing costs.

Completed a Computer Engineering program with a specialization in Data Management, focusing on systems for administrative digitization and data-driven solutions.