Yoel Monzon Estrada

Led client integrations using TypeScript (Node.js) and Ruby on Rails for scalable data processing. Maintained ETL processes with Serverless for data ingestion and transformation. Managed backend services with Rails, optimizing performance and troubleshooting. Worked with PostgreSQL and DynamoDB for data management. Used AWS CloudWatch and Mezmo for monitoring and performance analysis.

- Orchestrated end-to-end implementation of an ETL pipeline, migrating data in Parquet files from S3 to DynamoDB.
- Spearheaded analytics tool integration (Mixpanel), including PoC and frontend implementation, and set up a Proxy with Nginx on Amazon ECS and Fargate, utilizing Pulumi as IaC to bypass event losses due to AdBlockers.

Focused on backend development with Python (Django, Flask), working on PostgreSQL and DynamoDB migrations. Managed infrastructure using Docker, AWS CLI, RDS, EC2, and Terraform for IaC. Oversaw full development lifecycle, including debugging and optimization. Utilized tools like Sentry and Grafana for monitoring. Contributed to CI/CD with GitHub Actions for smooth deployments.

- A key player in scaling the engineering team from 8 to 80, aiding in a successful Series A raise.
- Led development and migration of vital services, primarily using Elixir.
- Created a service for managing task statuses, facilitating an Event-Driven Microservice Architecture with Kafka.

- A key player in scaling the engineering team from 5 to 60, aiding in a successful Series A raise.
- Led the development of core services, managing up to 20M records daily, transitioning Yalo to a platform handling millions of requests per day.
- Integrated Messenger and WhatsApp Business APIs, advancing Yalo's chatbot platform capabilities.