Guilherme Pereira
Tech Lead & senior dev. SaaS features shipped in days
New to Contra
Guilherme is ready for their next project!
Management app for pool professionals and its clients. They can take pictures on the visits, create invoices, add products and control the stock while the client have full control of what happens in his pool
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Event management system focused on wedding day vendors
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AI-first software to help business to comply with ISO certificates.
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showkit.dev (https://showkit.dev) — a social-proof bundle for indie SaaS founders: changelog, roadmap, and testimonials in a single embeddable widget. I designed, built, and launched it solo in 3 weeks (a 10-week plan, shipped early), building in public on X. Full stack: Next.js, Supabase (Postgres + row-level security), Stripe, and Vercel — shipped as a drop-in <script> embed at ~12 KB gzipped, backed by 140+ tests.
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