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Hello! I'm Zayin Krige


I have a love for development and have been coding for fun and professionally for 33 years. I started out with GWBasic(3 years) and have worked in Turbo Pascal (5 Years), ASM (2 Years), Delphi (7 Years), C/C++ (4 Years), Java (10 years), Kotlin (3 Years), Swift (5 Years), Objective-C (9 Years), Javascript (5 Years), PHP (6 Years), Python (2 Years), PERL (2 Years), Flutter (3 Years), Solidity (3 Years) and React Native (6 Years)

I have built numerous mobile apps for both iOS and Android, as well as cross platform apps using React Native and Flutter. I have built NodeJs backends hosted on AWS, and PHP/Laravel backends which are self hosted.

I have plenty of blockchain knowledge and have written a number of custom Ethereum based contracts for clients using Solidity et al.

I have a wide range of experience across many different development related fields and bring a vast depth of systems knowledge with me.

I have built systems using Interbase, Firebird Database, SQL Server, MySQL, CouchDB and DynamoDB on AWS.

I owned and sold a point of sale company that had installations across Southern Africa.

I co-founded a vending (TopItUp) startup in 2009 and sold my shares in 2013


Zayin Krige

Software Developer




Some Highlights

Senior Developer

Snapplify- https://snapplify.com

I've built iOS, Android, Windows, Mac and Linux apps for Snapplify.com. I've used Objective-C, Swift, Java, Kotlin and JavaScript on a daily basis


I've built a number of different products for this client.

- A ephemeral social chat application using react native.

- A parental control solution for both iOS and Android.

- A blockchain based currency 

- Solidity contracts


I built a full stock management and mobile ordering system using react native

- playstore link

- App Store link


I built an iOS and Android EMS tracking system which helps dispatch locate EMS responders 

I have been developing iOS applications since 2010. I started with Objective-C, but am now fully capable with Swift as well. I am strongly versed in all aspects of iOS development
I have been developing Android apps since 2008. I am strongly capable with both Java and Kotlin
I have 5 years of Javascript backend experience using back ends like Google cloud and AWS
I have 10 years of PHP experience. Currently my preferred PHP framework is Laravel
Cross Platform
I have 6 years of React-Native experience. I have built multiple react native mobile apps that are deployed in both iOS App Store and Android Play store. I also have 3 Years of Flutter cross platform
I have 3 years of Solidity experience. Mostly writing custom contracts to execute specific instructions and transactions on private Ethereum chains