Developed automated internal tools for Support and Customer Success teams, refactored critical database queries using Elasticsearch for performance optimization, and maintained payment and payout modules for fintech operations.

Contributed to MVP construction by integrating external APIs, webhooks, and implementing instant payment transaction flows.

Implemented POC using Apache Kafka and Lumen, refactored AWS Lambda functions to Node.js for cost reduction, and evolved E-commerce platform to a White Label model.

Designed RESTful APIs for enterprise clients and optimized Unilever's B2B platform product catalog and ordering workflow.

Developed warehouse material request system, financial data analysis applications, and refactored internal occupational medicine systems.

Maintained institutional websites and developed integrations for travel agency portals using external APIs.

Architected a two-sided marketplace platform, developed core modules, and led the software testing lifecycle.

Transposed electrical engineering formulas into web systems and created renewable energy financial simulators.