Bartosz Jedrzejewski
Blog

Bartosz Jedrzejewski

I am a Lead Software Developer at Scott Logic. I use Java and JavaScript to solve all kind of problems- from hobby projects to enterprise financial systems. Currently I am fascinated by Microservice Architecture, I write about it on my blog e4developer.

Tech
It seems that everyone is trying to build a microservices based system these days. Some of those attempts succeed when others fail miserably. In this article, I will look at one thing that often connects the winners- the use of DevOps practices and culture.
Delivery
DevOps culture is a critical part of successfully delivering an enterprise scale project. Getting that culture into a company requires a mindset change. In this article, I explore the journey to the DevOps Culture, DevOps Mindset and provide some practical advice based on my experiences.
News
JVM Roundabout is a meetup in London where all things related to JVM are discussed. The February edition of the meetup focused on microservices. I had to be there!
Tech
Java Optional has been around for a while now. It is a pity that this language feature is not used more often by developers. This is a simple demonstration of how to use it correctly.
Delivery
Being software developer requires technical insight and analytical approach. Yet, this is just part of the role. This article explores soft skills that are important part of every software developers life.
Data Engineering
Lichess makes over 100GB of chess games from 2017 available on their website. This post shows how this data can be transformed with Apache Spark and analysed. Something for Data Engineers and Chess Enthusiasts alike!
Data Engineering
Using microservices in your architecture is a very popular choice. Unfortunately it is also challenging to get it right. With the help of Twelve-Factor methodology, I will tell you how to set yourself up for a success rather than a disappointment.
Delivery
It is a great joy to be a member of a productive team that delivers exceptional value. In this blog post I will share things that developers can be doing to make that happen. Ideas presented are funded in Agile principles and Lean manufacturing.
Careers
Lead Developer Bartosz discusses the differences between working for a company that provides in-house development and working as a Scott Logic consultant
Data Engineering
The popularity of Spring Boot in the Java world is undeniable. In this post I will show you yet another reason for this. Using Spring Boot makes working with MongoDB an absolute pleasure.
Tech
A short introduction to Java enum capabilities followed by concrete examples of good use. How enums help with implementing lazy loaded singleton, following open/closed principle and using strategy pattern.
Data Engineering
In most microservice architectures, there are many opportunities and temptations for sharing code. In this post I will give advice based on my experience on when it should be avoided and when code reuse is acceptable. The points will be illustrated with the help of an example Spring Boot project.
Tech
Being a software developer requires constantly improving ones knowledge. This is a short list of books that made the largest impact on me as Java developer. I hope that you too will find here something that will take you to the next level!
Tech
This blog shows how to get started with microservices using Dropwizard. It guides the reader through building a simple task-list service.