junioramilson

Architected and implemented a Node.js WebSocket server, enhancing real-time IoT device communications within a mobile app, utilizing AWS EC2, ELB, Route 53, DynamoDB, and more. Developed a serverless CRUD API for the Dragonfly IoT application using Node.js, AWS Lambda, and API Gateway, ensuring efficient data management. Developed an Alexa integration, allowing users to connect Alexa with Dragonfly IoT devices for voice-activated control.

Developed and maintained Node.js microservices for an online payment system for a telecom company, incorporating credit card, debit card, and boleto (a type of payment slip used in Brazil) payment methods, and integrating with Braspag payment provider. Developed Python scripts to migrate data from an outdated system to a new one with a completely different database structure, ensuring data integrity and minimal disruption to operations.

Enhanced the C++ based OMS (Order Management System) by resolving critical bugs like deadlocks and segmentation faults, improving system performance and availability. Upgraded C++ from version 98 to 14, boosting performance and enabling compatibility with modern libraries and operating systems. Developed an Automatic Position Liquidation feature, reducing operational risk and enhancing efficiency by automating client position liquidation based on predefined parameters.

Developed and maintained an internet banking application using Objective-C. Provided technical support and troubleshot production issues.

Developed and maintained an internet banking application using Objective-C. Provided technical support and troubleshooted production issues.