I currently live in Warsaw (Poland) and work 100% remotely (asynchronously).
My specialty is creating complex web applications. I have experience in building systems, both small and large.
My major technology stack is:
Java (JVM), Spring, JPA/jOOQ, Kafka/RabbitMQ, Vue.js
* since 2018, I no longer accept any orders related with PHP language
Services that I can provide, which I focus on.
I create software from scratch to the production version.
I follow best practices and design patterns.
Source code is efficient and maintainable. Each fragment of the app exists for a specific purpose.
Are you wondering: system is simple or complex?
How many layers are needed? Which architecture to choose?
I will show you how to design a system, where to start, what to look for and how to draw conclusions.
By using the EventStorming technique,
I will help you discover how your business processes really looks like.
We will discover their strengths and weaknesses. They can be simplified and transformed into a digital world.
Is object-oriented programming problematic for you?
Do the tests you wrote make sense?
I will listen, analyze and help you choose solutions that match your current situation.
Adding new functionalities is taking longer and longer?
Developers find it difficult to make changes?
You have probably been affected by the so-called technical debt. We can find a way out of this difficult situation.
Do you feel that you are doing or delegating a lot of repetitive (boring) tasks?
Think how much time you will recover when it happens automatically. Then you could focus on other things.
This is a list of commercial projects that I (co-)created working in various companies and
Unfortunately, I can't show most of the projects here because I gave the companies all copyrights or I am bound by a Non-disclosure agreements (NDA).
Some of them are no longer available on the Internet (or they look differently), so I used the Wayback Machine to show you their copies (e.g. from 3 years ago).
Projects related to the implementation of cryptocurrencies, smart contracts,
dedicated exchange and currency wallet.
Mode: 100% remotely, asynchronously
To see all my professional experience, I invite you to download the full CV.
List of blogs that I created. Each of them has different goals.
List of recent posts that I wrote on various blogs.