Case Studies: Real Results from Web & AI Projects
Every project includes the problem, the approach, and the measurable outcome. I work across web apps, marketing sites, and AI tooling — shipping fast and making a real difference to the business.
Web Applications
Custom apps built for startups and scaling teams.
Built and shipped an investor-ready MVP from scratch
GigEasy — backed by Barclays · Bain Capital · Zean Capital Partners
Built the entire technological base and delivered MVP in just 3 weeks, enabling a successful rapid launch and investor demo.
He builds quickly, but he also builds efficiently.— Gabriel Edlin, Ops/Strategy, GigEasy
Rescued a slow API that was blocking user growth
Cuez by Tinkerlist — backed by Tinkerlist group (Belgium)
Refactored the backend architecture, making the system far more responsive and scalable for the growing user base.
Always with many ideas to add and open to discuss the best approach to create the most scalable software as possible.— Rafael Camillo, Senior Software Engineer, Cuez by Tinkerlist
Unified payment orchestration across Asia and Europe
bolttech — backed by Tokio Marine · MetLife Next Gen Ventures
Delivered the payment orchestration platform at bolttech, a $1B+ unicorn, with 40+ integrations across multiple regions.
A results-oriented professional.— Jhonatan Amorim, Engineering Manager, bolttech
Rebuilt a real estate portal at a fraction of the cost
Rebuilt Imóveis SC's real estate portal as ImoHub — a faster, more scalable successor — handling 120k+ properties with sub-second search and drastically reduced AWS costs.
Websites
Professional sites designed for business results.
Turned a B2B manufacturer into a digital showroom
Designed and developed a high-performance institutional website to showcase packaging solutions and generate qualified leads.
AI & Performance
AI tools and performance optimizations that deliver measurable ROI.
A prompt library that works with every AI tool
A home for your best AI prompts. Save them once, then use them in Claude, Cursor, or any AI tool you work with. No more copy-paste.
Write a prompt once. Use it anywhere. That was the whole idea.— Adriano Junior, Founder
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