I'm Manuel Kruisz
I build modern web apps on the AWS cloud.
Cloud fullstack engineer based in Austria
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Latest Blog Posts
August 6, 2022
Why your tests are slowing you down - 7 deadly sins
While I am a big fan of automated tests and TDD, I have seen code bases that were unnecessarily difficult to change, because of sub-optimal tests. The following list contains the 7 most common problems I have seen in such test suites.
June 17, 2022
Joins in DynamoDB - Single-Table Design
While DynamoDB does not directly support join operations like a relational database, we are still able to model relations and to perform complex queries on them via a single-table design.
April 24, 2022
Book Review: Serverless Architectures on AWS (second edition)
At the date of writing this, the second edition (and a very different book from the first edition) of *Serverless Architectures on AWS* has been around for less than six months, and there are hardly any reviews about this to be found. Therefore, this post summarizes the book parts of the book and presents what I liked and disliked about the chapter. In the end, I will give a short verdict on the book.
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Experience & Education
2020 - 2022
2017 - 2020
One of the top 10 most visited websites in Austria. This large microservice system boasts an impressive 8.5 million unique clients per month, 1.8 billion page views per month and hundredths of microservices.
Cenarion Information Systems GmbH
2016 - 2017
Software for the major insurance companies in Vienna and an
email syncing SaaS
CS Master's degree
University of Technology Vienna
Software Engineering & Internet Computing
with an emphasize on Software Engineering, Distributed Systems and Web Development.
If you are interested, here is my
master's thesis on microservices and image processing