Michael Brenes

• Designed and deployed scalable, secure AWS infrastructures using services such as EC2, S3, VPC, and CloudFront, with a focus on high availability, security, and transaction tracking systems.
• Built and automated end-to-end resource provisioning using AWS CloudFormation and Terraform, enabling rapid deployment and enhancing development workflows through robust CI/CD pipelines.
• Implemented transaction tracking systems integrated with AWS services, ensuring real-time monitoring and traceability across applications, while optimizing performance and cost-efficiency.
• Monitored, analyzed, and optimized the performance of AWS infrastructures, leveraging tools like CloudWatch and AWS Cost Explorer for efficiency and scalability.
• Experienced in building modern, responsive web applications using Node.js and React.js, integrating seamlessly with AWS backends for scalable, secure, and dynamic user experiences.
• Developed and executed comprehensive data strategies utilizing Amazon S3, DynamoDB, RDS, and Redshift, enabling efficient management, warehousing, and tracking of high-volume transactional data.

Developed and maintained RESTful API endpoints for a high-traffic fintech application in Colombia, built from the ground up, leveraging AWS services for a scalable and secure architecture.

• Designed and implemented the application backend using Node.js with additional functionality in Python, ensuring robust performance and system responsiveness.
• Collaborated with front-end developers to seamlessly integrate user interfaces with back-end systems, providing a cohesive and efficient user experience tailored to fintech requirements.
• Optimized database queries and structures to significantly enhance performance and reduce latency, ensuring fast and reliable transaction processing.
• Employed AWS Identity and Access Management (IAM) and other security best practices to enforce strict compliance and enhance data protection.
• Utilized AWS services like Lambda, DynamoDB, S3, and API Gateway to build a cloud-native solution capable of supporting high-transaction environments.

Created and maintained robust and scalable databases using SQL and MongoDB, ensuring data integrity and high availability for critical applications in a fintech startup environment.

• Designed and developed full-stack web applications utilizing AWS Lambda, React, JavaScript, and Node.js, showcasing expertise in building scalable solutions from the ground up.
• Integrated payment APIs for major financial brands such as Visa and Mastercard, leveraging AWS and Node.js to ensure seamless and secure transactions.
• Implemented advanced fraud detection and prevention mechanisms, including real-time filters and automated alerts, to safeguard financial operations and mitigate risks.
• Collaborated with cross-functional teams to deliver high-quality software products on schedule, demonstrating strong teamwork and adaptability in a fast-paced startup setting.
• Optimized AWS services, such as DynamoDB, API Gateway, and CloudWatch, to enhance system performance and reliability for payment processing and fraud detection workflows.

Developed dynamic user interfaces for an operations dashboard in a startup environment, leveraging React and Node.js to enhance interactivity and user experience.

• Optimized and improved the performance of AWS services, achieving increased efficiency and significant cost savings, critical for the startup's scaling needs.
• Integrated AWS, Stripe, and Google Cloud Platform (GCP) services to enable seamless data querying, secure payment processing, and synchronization between cloud environments.
• Collaborated with cross-functional teams to troubleshoot and resolve complex issues within AWS environments, ensuring high reliability and performance for mission-critical systems.
• Facilitated system migrations to AWS, ensuring smooth integration with on-premises systems, Stripe, and GCP, while maintaining business continuity and improving operational efficiency.

Developed and launched an operations dashboard from scratch, integrating credit card processors along with additional payment options such as PayPal and Skrill to provide a comprehensive and secure payment system.

• Designed and implemented a robust fraud prevention tool, featuring real-time analytics and adaptive filters to effectively detect and mitigate fraudulent transactions.
• Successfully integrated multiple payment processors, ensuring seamless functionality and delivering a user-friendly experience for businesses and customers.
• Played a key role in creating a scalable and reliable payment system from the ground up, tailored to meet specific business requirements and maintain high security and compliance standards.