I am a Software Engineer with extensive experience in building/supporting cloud-native applications and headless/composable commerce architectures. I have a strong focus on Backend Engineering, DevOps practices, observability, monitoring and Automation mindset. I am deeply passionate about diving deep on Traditional/Modern/Hybrid-Cloud Systems Design and Infrastructure Engineering. I also enjoy experimenting with computer hardware in my spare time. I thrive on working on innovative projects and am eager to contribute to open-source communities that peaks my interest in Technologies.
- Languages: JavaScript, TypeScript, Bash, Python and Lua.
- Frameworks: NodeJS, ExpressJS, GraphQL, ReactJS with Redux, NextJS, VueJS
- Platforms/Tools: AWS (EC2, Lambda, Step Functions, RDS, Cloudfront, S3, Cloudwatch, CodePipeline, SNS/SQS, DynamoDB), Serverless Framework, Netlify, Vercel, Docker, Proxmox VE, Linux (Fedora/Debian/Ubuntu/Arch)
- Databases: SQL, NoSQL
- SaaS Tools: Salesforce SC/MC, Zuora, CommerceTools, Contentful, Amplience, Sanity, Algolia, TrustSpot
- Container Orchestration using Kubernetes
- Network Design and Architecture, foundational Network Security
- Building AI agents and Retraining/Fine-Tuning LLMs
- Exploring self-hosted FOSS/DIY projects
- Email: [email protected]
- LinkedIn: Patrick Paul C Castro
Feel free to reach out if you want to collaborate on a project or just chat about technology. I'm always open to new opportunities and connections!


