# Okatech

> Okatech is Vinicius Okamoto’s studio of one: full-stack development for web and mobile, with product design built in, from idea to shipped app.

Okatech is the studio of one of Vinicius Okamoto, a full-stack developer for web and mobile, who also does product design, based in Winnipeg, Canada. He builds mobile apps (Flutter), web apps and sites (React, Next.js) and the APIs and cloud services behind them, and designs the interfaces too, from the first prototype to shipping in the App Store and Google Play. Availability: Open for projects from Jan '27.

## Pages

- [Home](https://www.okatech.dev/): who he is, what he does, selected work, recommendations and contact
- [Work](https://www.okatech.dev/portfolio): every project, ordered by strength
- [Services](https://www.okatech.dev/services): what he offers, usually in this order
- [About](https://www.okatech.dev/about): background and stack
- [Contact](https://www.okatech.dev/contact): book a call or write

## Work

- [AIDD](https://www.okatech.dev/portfolio/AIDD): A quick ADHD screening built on your own health data. (Product design). Figma: https://www.figma.com/proto/LRfGZcOVMMlmWiZSLTNqLH/AIDD?page-id=0%3A1&type=design&node-id=188-1982&viewport=130%2C403%2C0.17&t=rasKDuGXpFQVxH90-1&scaling=scale-down&starting-point-node-id=188%3A1982&show-proto-sidebar=1&mode=design
- [Publi](https://www.okatech.dev/portfolio/publi): Projects and tasks for agencies, in your pocket. (Mobile development). App Store: https://apps.apple.com/br/app/publimanager/id1585726209; Play Store: https://play.google.com/store/apps/details?id=br.com.publi_manager
- [Exame](https://www.okatech.dev/portfolio/exame): The app of Brazil’s leading business magazine. (Mobile development). App Store: https://apps.apple.com/br/app/exame/id406204105?l=pt; Play Store: https://play.google.com/store/apps/details?id=br.com.abril.revexamenoandroid3
- [Coffee Delivery](https://www.okatech.dev/portfolio/coffee): Order coffee from anywhere and pay your way. (Development). GitHub: https://github.com/ViniOkamoto/challenges-react-ts/tree/master/coffe-delivery
- [Go Play](https://www.okatech.dev/portfolio/goplay): A community where gamers find each other. (Product design). Figma: https://www.figma.com/proto/5hEE5nrXYRhPNgS77tmvoD/Go-play?page-id=0%3A1&node-id=18%3A972&viewport=544%2C511%2C0.88&scaling=scale-down&starting-point-node-id=4%3A4
- [Pratudo](https://www.okatech.dev/portfolio/pratudo): Recipes built from what’s already in your kitchen. (Product design). Figma: https://www.figma.com/proto/hEEc2Uop9THvoHOneIzQFR/Pratudo?page-id=0%3A1&node-id=2%3A3&viewport=192%2C1209%2C0.36&scaling=scale-down&starting-point-node-id=2%3A3&hide-ui=1; GitHub: https://github.com/viniokamoto/pratudo

## Services

- Full-stack development: Native-feeling apps, fast sites and the APIs behind them, built and shipped by the same hands. Scope: Flutter apps for iOS and Android, React and Next.js sites, APIs and cloud services, Store submission, Analytics.
- Product design: Research, flows and interfaces that make the first version obvious. Scope: Research and interviews, User flows, Wireframes, Interface design, Figma prototypes, Design system.
- Ideas & first steps: Getting something off the drawing board, with goals that help a business take its first steps. Scope: Goals and scope, First prototype, Technical plan, Estimate and milestones.
- Testing & quality: The right tests in the right places, so the software does what it promises. Scope: Unit and widget tests, End-to-end tests, CI pipelines, Code review, Release checks.
- Strategy & management: What to build first, what to cut, and how the team gets there. Scope: Roadmap, Priorities and cuts, Sprint planning, Leading the dev team.
- Continuous support: New features and steady improvements after launch. Scope: New features, Bug fixes, Performance, Dependency updates, Monitoring.

## What people say

- CTO, Reebok Sports Club SP (Managed Vinicius directly): "Vinicius is one of the most talented and hard working engineer[s] that I got to work with. … What I love most about Vinicius’ work is how obstinate he is to get things going and how fast he adapts to new concepts that he never touched before, both on software and on product."
- Product Manager (Worked with Vinicius at Ellement): "Vinny demonstrated strong leadership abilities when he stepped up to take over the development team after we lost a key member. He onboarded new developers seamlessly, ensuring the team remained productive and cohesive."
- Product Manager (Worked with Vinicius in the same squad): "Besides wanting to bring scalable, high-quality solutions, Vini makes deliveries that matter, focused on the customer experience, from the UI to the journey itself. He isn’t afraid to take on responsibility, and stays motivated through every challenge." (translated from Portuguese)
- CTO, AcertPix (Worked with Vinicius at MegaHack): "He’s one of those professionals everyone wants to work with, and certainly to hire. Dedicated and competent, quick to learn and even quicker to share what he knows." (translated from Portuguese)

## Contact

- Email: okatechdev@gmail.com
- Book a call: https://calendly.com/okatechdev
- GitHub: https://github.com/viniokamoto
- LinkedIn: https://www.linkedin.com/in/viniciusokamoto/
- Dribbble: https://dribbble.com/ViniOkamoto
- Figma: https://www.figma.com/@viniokamoto

## Optional

- [Sitemap](https://www.okatech.dev/sitemap.xml)