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• Backend systems for payments, workflows, integrations, and operational tools
• APIs and platforms with clear contracts and predictable behavior
• Internal tools that remove repeated manual work
• Developer workflows for faster reviews, safer changes, and better handoffs
• AI-assisted automation for research, coding, docs, and operations

I like systems with clear boundaries, boring operations, and enough structure that the next person/agent can understand what changed without archaeology.

I usually optimize for:

• Explicit contracts
• Fast feedback loops
• Small, reversible decisions
• Practical automation

• Strongly modeled backend systems
• API and platform design
• Payments and financial workflows
• Internal tools that people actually want to use
• Agentic engineering workflows
• Writing things down before future-me suffers

I studied Computer Science at De La Salle University in the Philippines.

Started as a full-stack engineer, then moved deeper into backend systems, architecture, and product work. Happiest close to the code while helping shape the product decisions around it.

• Website: cedrito.dev
• LinkedIn: linkedin.com/in/cedrick-castro
• Email: cedi.castro@gmail.com