the short story — Learning from your own mistakes is a big deal. You give your best, but your software has more and more bugs, the app is slow, your devs give their best, but nothing is changing. How come? Check out the story of an imaginable car store losing its market share because…

Fullstack by backend — Since the very beginning of my career, I see the position descriptions like “Fullstack developer this” or “Fullstack developer that.” Speaking a language doesn’t mean understanding anything written in it. Here is what I think about it, with many pictures too! Looking for some Python or JS freelance gig, rates…

Comprehensive guide — A friend working for a bank told me once desperately: “Why do we pay so much for the IBAN parser? 300 Euro per month? I can’t believe why is this so expensive”. All I had to answer: “I can do it for 50 :D”. He confirmed he would take the…

Mocking the AWS infrastructure from CDK CloudFormation configs — Cloud development kit, or CDK, is Amazons second try after arguably failed CloudFormation to create a comfortable and functional deployment framework. Here is how you can test it. CloudFormation: say hello While web development shifts slowly towards serverless architecture, the first and only AWS Lambda is the core of the Amazon’s take on…

Django toolkit for Python stored procedures in PostgreSQL — PostgreSQL is one of the most advanced good old SQL databases, covering a huge spectrum of tasks and showing outstanding performance. PL/Python plugin allows writing stored procedures in Python. Django integrates with PostgreSQL over its amazing contrib module and supports many of those modern features, but not PL/Python. …

Opinionated view — JetBrains releases developer surveys for various technologies, and this year is not an exception. The results reflect the trends and changes in the community and help us better understand what will be relevant tomorrow and what not. Looking for some Python or JS freelance gig, rates up to 50 €/hour…

Work, language skills, health & retirement, insurances, termination — Employment in Germany is a safe bay for those who want to spare the hustle and an excellent starting point for those who have just recently moved. …

Difference to employment, registration, money, downsides, and taxes — Want to earn 10k Euro per month after taxation? Doable! But going on your own and switching to an all-by-myself model can be a big challenge. Here are the 10 things you absolutely must know before you start freelancing in Germany. Make sure you check out my guide on employment…

A couple of weeks ago, the Russian half governmental, educational foundation Vsenauka bought out the copyright from the holders of the most important popular science books of the last years. Some of them have already crossed my path, like “Brief history of time” by Stephen Hawking or “Hyperspace” by Michio…