José DA COSTA
Building software since 1999. I lead engineering teams, set technical strategy, and ship critical systems for companies and startups — in particular early-stage startups and scale-ups.
Sites and projects
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Portfolio
Resume, journey, skills, achievements, contact.
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Personal quotes and reflections on engineering, leadership and life.
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Long-form writing, essays, opinions and field notes.
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Endorsements from past colleagues, clients and partners.
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Small engineering utilities open-sourced along the way.
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Architecture sketches, flowcharts and visual explanations.
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Design System
Shared UI components and design tokens used across these sites.