Daniel Lopez

Experience

1. Senior Software Engineer

   uShip

   Jan 2024 — Present · Austin, TX, US

   Transformed a legacy C# monolith system into a modern serverless architecture using AWS Lambda, TypeScript, and the Serverless framework.•Utilized DynamoDB as the primary database for its scalability and performance in the serverless stack.•Used ElectroDB library for efficient handling and interaction with DynamoDB.•Actively took part in the migration of a monolithic admin system to a new stack with React.js for the frontend and TypeScript and Node.js for the backend, hosted on AWS Lambda.•Implemented Apollo GraphQL for seamless API communication between the admin frontend and backend.•Designed and implemented data models to efficiently manage and retrieve large datasets.•Implemented SQS for smooth message processing, ensuring reliable and scalable message queuing.•Utilized Dead Letter Queues (DLQ) to handle message failures, ensuring safe and reliable message processing.•Integrated PagerDuty for robust alerting and incident management, enhancing system reliability and response times.•Acted as the Subject Matter Expert (SME) for carrier verification integrations, enhancing customer success and service reliability.•Integrated Okta for admin authentication using OAuth, ensuring secure access control.•Managed JWT tokens for secure and stateless authentication across the platform.

Education

• Concordia University Texas

  Bachelor's degree

  2012 — 2016