Colin Witkamp
San Francisco, California, United States-
-
linkedin.com/in/colin-witkamp-243a6b123
Summary
Experienced Mobile & Web Developer with a demonstrated history of working in the internet industry. Skilled
in .NET, Xamarin, Node.js, React.js, React Native,SQL, , C++, Mobile Applications, and Content Management
Systems (CMS). Strong entrepreneurship professional with a Bachelor's degree focused in Computer Science
from Amsterdam University of Applied Sciences.
Experience
Senior Backend Developer | Advisor
PicSetter
Feb 2020 - Present (11 months +)
PicSetter is a mobile app for travellers.
I have made a valuable contribution to the project by applying the modern technologies and
development exprience.
A fast and reliable CI/CD pipeline, responsive cloud solutions and many more!
Skills:
- Node.js
- .NET
- ASP .NET
- AWS - EC2, Elastic Beanstalk, S3, Route53, Load Balancer, Lambda
- React.js
- Vue.js
- MySQL
Tools:
- Squarespace
- Webflow
- MySQL Workbench
- CircleCI
Freelance Developer | Private Projects
Mar 2018 - Feb 2020 (2 years)
I built various mobile and web apps for private clients:
- Xamarin/.NET Framework/.NET Core
- React
- Angular
- Vue
- React Native
- Ionic
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- Node.js
- Java/Kotlin
- Objective C/Swift
- BLE/IOT
Mobile Application Developer
TrustCor Systems
Oct 2017 - Jan 2019 (1 year 4 months)
TrustCor's vision is to provide state-of-the-art, simple to use, privacy enhancing products and services
for businesses and individuals. Using our privacy and security suite, certificate authority, global
infrastructure, geo-jurisdiction advantage, and extensive expertise, will protect your digital footprint.
I built an E2E messaging app(iOS, Android) with React Native and made some contributions to the
backend development with Python in an agile development environment.
Skills:
- React.js
- React Native
- Java/Kotlin
- Objective-C
- Swift
- C/C++
- Python
- Apache Cassandra
Tools:
- Webstorm
- Visual Studio Code
- XCode
- FileZilla
- Slack
- Trello
- GitHub
Co-Founder, Backend Developer
Showbag
Aug 2017 - Dec 2017 (5 months)
Showbag is a tradeshow app that helps to streamline the B2B sourcing process by going paperless and
facilitating instant transfer of product content.
The backend APIs and the Admin panel for an ecommerce mobile app.
Skills:
- Node.js
- Express.js
- AWS, EC2, EBS, S3, Route 53, Lambda
- React.js
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- React Native
- Xamarin/.NET
- ASP .NET
- Java
Tools:
- XCode
- Android Studio
- Webstorm
Co-Founder/Senior Mobile Developer
Cinemeet
Jan 2017 - Dec 2017 (1 year)
Say goodbye to watching Netflix alone. Cinemeet is a dating app that helps you go on casual movie
dates with people around you.
I built an iOS dating app with native Objective-C/Swift - XCode.
Skills:
- Objective-C
- Swift
- Storyboard
- Firebase, Realtime DB
Tools:
- XCode
- GitHub
Frontend Web Developer
Freebird
Jun 2016 - Jun 2017 (1 year 1 month)
Our app is transforming the way people travel around their city, by enabling real-time access to free
and discounted Uber rides. Our mission is to drive more business to local merchants through free or
competitively priced ride share. We’re simply connecting consumers with local businesses that will pay
for their ride. By providing a customizable and scalable tool that is controlled with the tap of an app,
we're redefining the way businesses attract & retain customers.
Skills:
- React.js
- React Native
Tools:
- Sublime Text
- GitHub
- Zeplin
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- XCode
- Android Studio
Education
Amsterdam University of Applied Sciences
Bachelor's degree, Computer Science
2011 - 2015
Skills
Java • JavaScript • SQL • HTML • Software Development • MySQL • Node.js • .NET Framework
• ASP.NET • Xamarin Products
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