Thiago – Vue.js, Laravel, Python

A document processing and e-signature platform for general contractors that automates subcontractor insurance verification, identifies compliance gaps, and manages the full lifecycle of project contracts and compliance.

• Architected an AI agent system to analyze certificates of insurance and automatically identify coverage gaps against project requirements;
• Implemented a custom in-house e-signature engine to replace a high-cost third-party provider, improving control and reducing costs;
• Established internal engineering standards and led the transition from external agency development to an in-house team.

Interactive property exploration tools and a proprietary CMS for a large-scale real estate platform, enabling prospective tenants to explore community amenities and available units through interactive maps and real-time previews.

• Developed a Vue.js package for a custom CMS that implemented a live preview feature for site settings and data adjustments;
• Built an interactive community amenities map using Alpine.js, integrated with third-party mapping APIs to display real-time unit availability;
• Led code reviews and provided technical guidance to the frontend team to maintain high standards for UX and site performance.

A mission-critical payment processing and subscription management service for a high-traffic financial education platform. The system manages recurring billing, user entitlements, and payment failure recovery for millions of users.

• Engineered a multi-gateway payment service integrating diverse providers to add system redundancy and failover capabilities;
• Resolved a critical technical issue with significant financial implications by implementing an automatic gateway failover mechanism;
• Optimized subscription management logic and payment processing speed, leading to a measurable reduction in transaction failures.

A dual-sided marketplace for tourism currency exchange and B2B international money transfers. The platform manages real-time exchange rates, ledger accounting, and complex multi-party transactions to support currency exchange and cross-border payments.

• Led the development of the tourism exchange platform from inception to launch, including designing the core ledger system;
• Co-created a second marketplace for international B2B transfers, scaling the system from zero to production for enterprise clients;
• Implemented security and performance improvements that supported the platform's rapid growth and subsequent partnerships.