Patrick Klitzke

I have been professionally freelancing since 2015. During that time I build a lot of different apps varying from simple blogs to complicated webapp and mobile apps. I always enjoy learning new things.

My usual Stack would be:

* Backend: Nodejs / Go

* Mobile: React Native or Flutter

* Frontend: React with Nextjs / Gatsby with Typescript

* Backend: PostgresSQL, MongoDB, Firebase

* Blockchain: Ethersjs

* CMS: Contentful

* Deployment: Vercel / AWS lambda / AWS EC2 / Kubernets / GCP / Firebase

The following is an extract of projects I have worked on:

Tacen (2 years https://www.tacen.com/)

• Managing a frontend Team of 4 Developers and Backend Team of 3 Developers
• Communicate with Chief of Product, Engineering Leaders and other stakeholders to adjust goals and timelines
• Developing and architecturing with 20 microservices using Go, Nim, and Node Js and Kafka for an exchange service
• Designing and implementing 5 new microservices in Go
• Creating configure websites with Contentful and Nextjs and deploy it with Vercel
• Integrate blockchain technology using etherjs and web3js
• Increased team performance by 30% by improving on specs, documentation and conducting evaluations
• Developing and architecting UI libraries, components and websites using NextJs (React) and Storybook
• Integrating an designing GraphQL endpoints with Nextjs
• Improve development process by creating internal tooling to speed up development setup by 50%
• Created initial product in 3 months and alpha version in a year from zero
• Architected 4 different Webapps in Nextjs using template system

Asharq (6 month https://asharq.com/)

• Build a frontend Nextjs webapp for a new newspaper website for the client in 3 months
• Build apps inside Contentful to improve the experience of writers and support for the writers
• Added a new dashboard inside Contentful to better manage the publishing flow for news articles
• Displayed data from Contentful inside the news paper app
• Maintained the webapp and integrated new features
• Increased performance and rending time of the website by switching to different state management libraries
• Build backend with Nodejs and lambda and PostgreSQL

Metal Pay (1 year): [https://www.metalpay.com/]

• Used Contentful to manage Marketing Content for various websited
• Integrating blockchain technology using web3.js
• Estimated and created a development plan for converting the existing mobile app to webapp in Nextjs
• Worked in a team of 3 developers to build different MVP products, including an crypto exchange
• Added support for multiple languages using Contenful (English, Korean, Chinese)

ProtonChain (3 months): [https://www.proton.org/]

• Creating a blog website and various integrations using Gatsby and Nextjs
• Integrating blockchain technology using web3.js

Mapify (1 year) [https://mapify.travel/]

• Build a travel app in react native app with 10,000s of daily users users based on the design of the iOS App
• Maintained the React Native app and implemented new features
• Mentored an intern and increased his productivity by 30%