I am a Fullstack Engineer with 4 years of experience working with TypeScript, React, and Node.js, specializing in AWS Serverless. Currently, I am focusing on building Agentic AI systems using LangGraph and the Python ecosystem.
I'm interested in industries like Legal Tech, Fintech, and Logistics.
You may contact me at herrera6911sebastian@gmail.com for opportunities.
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iProcess.co
May 2022 - Nov 2025(3 years 7 months)
• Led the cloud infrastructure migration of a legacy database system (FileMaker) to a fullstack serverless architecture on AWS, reducing processing latency by 95% (from >10 minutes to <20 seconds)
• Optimized complex queries on a 17M-row MySQL DB on AWS RDS, reducing logistics report query times from over 9 minutes to under 5 seconds to unblock daily operational dispatch decisions.
• Led the development and deployment of an internal Design System (Radix UI/Storybook) distributed via private GitHub Packages, standardizing the UI and accelerating frontend feature delivery cycles.
• Optimized AWS storage infrastructure by auditing legacy object assets and establishing S3 lifecycle rules, reducing data overhead and slashing monthly storage c
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