I build and ship things that make sense.

Product engineer building and shipping end-to-end.

Work

Making customer pain visible from support noise

Replaced manual scanning of hundreds of tickets with a consistent signal for decision-making.

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Turning vague ideas into shippable projects

Enabled consistent monthly releases with fewer surprises.

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Explaining complex systems through simple visuals

Turned complex systems like DNS, HTTPS, and DNSSEC into clear, visual explanations.

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Golden Gate Bridge

I’m Sebastian Hermida, a product engineer working across systems, infrastructure, and product.

I focus on reducing complexity and turning unclear problems into things that work.

I write to clarify ideas and support decisions.