Willian Bretzke
Software Engineer at Unifique
Santa Catarina, Brazil
Summary
👤
Senior🎓
Top SchoolWillian Bretzke is a software engineer with 5 years of experience building scalable web platforms and automation, specializing in React, Next.js, Node.js and C#. He has a track record of measurable performance wins—optimizing a micro front-end to cut load time from 20s to under 3s and redesigning freight and payment flows to reduce processing by over 80%. As founder of VelloChat he designed a multi-tenant, event-driven SaaS integrated with the WhatsApp Business API, combining product strategy with hands-on engineering. He’s experienced with high-throughput systems (50M DB ops/hour), observability and async processing using Redis, RabbitMQ and AWS services. Based in Santa Catarina, Brazil, he pairs technical depth with clear communication, translating complex integrations into business value. Currently pursuing postgraduate specialization in Full Stack Development and AI, he blends practical production experience with ongoing study of modern architectures.
5 years of coding experience
5 years of employment as a software developer
Bacharelado, Sistemas de Informação, Bacharelado, Sistemas de Informação at Centro Universitário FAMPostgraduate Lato Sensu - Specialization, Full Stack Development and Artificial Intelligence, Postgraduate Lato Sensu - Specialization, Full Stack Development and Artificial Intelligence at Faculdade de Tecnologia Rocketseat
English, Portuguese
Github Skills (10)
react8
tailwindcss8
tailwind7
css7
nextjs7
ui-components5
react-component-library5
radix-ui4
radix3
shadcn-ui3
Programming languages (2)
Github contributions (5)
bretzke/blip-spreadsheets-to-json
Jan 2022 - Mar 2022
Contributions:25 commits, 9 PRs, 22 pushes in 2 months
will-bretzke/guilda-gif
Jan 2023 - Oct 2024
Contributions:7 pushes, 1 issue in 1 year 8 months
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