Jonathan Orrego

Implemented Open Banking integrations for a France-based fintech platform, designing scalable bank-connector architecture integrating PSD2 APIs from 60+ banks. Managed backend infrastructure processing millions of payment transactions monthly, ensuring reliability through idempotency, retry, and reconciliation mechanisms.

Architected and built a team management SaaS platform end-to-end, owning the complete infrastructure using Node.js, TypeScript, React, MongoDB, and AWS. Implemented secure SSO authentication flows with OIDC integrations for Google, Microsoft, and Okta, and developed serverless workflows with AWS Lambda and a payment funnel using Creem MoR.

Led backend engineering team delivering AWS-based serverless microservices, architected scalable APIs using AWS Lambda and API Gateway, and designed event-driven workflows using SNS and SQS. Owned backend architecture including IAM policies, VPC networking, and secure JWT authentication, reducing infrastructure costs by 50%.

Built distributed backend platform supporting 2M+ users across multiple regions, implementing scalable video and book streaming infrastructure using S3 and CloudFront. Optimized cloud infrastructure for performance and cost efficiency, and designed asynchronous processing systems for media handling.

Developed embedded kiosk payment system for airport parking automation, integrating bill acceptors, ticket validation, fiscal printers, and central reporting systems. Delivered high-reliability transactional infrastructure operating in production environments.

Designed and developed Oracle-integrated manufacturing tracking platform, managing production workflow across Brazil and Argentina. System has been running in production for more than 10 years.

Led multidisciplinary engineering team building real-time TV advertisement monitoring platform, designing FPGA-based hardware system with 80+ cores for multi-channel signal processing.