Eduardo S.

A leader in digital advertising and technology solutions for ad auction platforms.

• Refactored PHP workers into optimized Go services, increasing ad auction queue processing speed by 70% under high traffic conditions.
• Integrated Laravel Horizon for queue management and Laravel Telescope for debugging, improving workflow efficiency by 30% throughout the development lifecycle.
• Modernized key components of legacy systems from PHP and JavaScript to modern frameworks such as Laravel and React, achieving a reduction in technical debt of 35% which directly contributed to improved application performance.
• Streamlined cloud deployment with Laravel Vapor, achieving zero-downtime updates and cutting infrastructure costs by 25%.
• Designed a robust persistence layer using MySQL and MongoDB, processing over 200 queries per minute and improving user experience through faster load times on critical features.
• Transitioned on-premise applications to AWS, implementing cost-efficient deployment practices that saved $5,000 monthly while improving system scalability and reliability.
• Debugged critical platform errors, ensuring 99.9% uptime and enhancing the reliability of real-time ad auction systems used by 5,000+ daily advertisers.
• Developed workflows using Laravel, React, and GoLang, accelerating feature delivery by 20% through process improvements and strategic collaboration.

Fintech that manages more than US$1 billion in client assets, specializing in investment solutions powered by a highly complex microservices architecture.

• Engineered Apex Clearinghouse API integrations using GoLang and gRPC, enabling 5,000+ daily transactions with a 40% faster integration timeline.
• Built innovative solutions using GoLang to extend existing Apex APIs, leading to successful integration tests which identified critical performance bottlenecks impacting system responsiveness by an average of two seconds per request.
• Elevated RESTful API performance, reducing response latency from 5 seconds to 2 seconds.
• Refined deployment processes with CI/CD pipelines, incorporating automated rollback strategies that reduced incident response times from five minutes to one minute during outages.
• Drafted comprehensive testing strategies, including unit tests, integration tests, and contract tests, ensuring API communication accuracy and reducing critical bugs in production systems by 40% over three months.
• Set up structured logging protocols for all API calls using centralized logging solutions, improving visibility of system performance and reducing troubleshooting time by 30%, enabling faster resolution of potential security threats in real time.