Sergiy Yevtushenko

Writing code for 30+ years and still enjoy it...

Krakow, Poland Joined on Mar 14, 2019

Work

Senior Software Engineer

pragmatica

Pragmatic Functional Java Essentials

Java • 81 stars

pragmatica-rest-example

Simple micro web framework written in Pragmatic Functional Java style

Java • 8 stars

Functional Programming

- Java
- Kotlin
- C/C++
- Go
- Distributed systems
- Architecture design

Pragmatica

https://github.com/siy/pragmatica
https://github.com/siy/pragmatica-rest-example

Those who need consultations on architecture and/or skilled software engineer

40 posts published

404 comments written

15 tags followed

Pinned

Sergiy Yevtushenko

Oct 24 '21

We should write Java code differently

#java #beginners

160 10

6 min read

Sergiy Yevtushenko

Oct 5 '21

Introduction to Pragmatic Functional Java

#java #coding #style #beginners

116 5

15 min read

Sergiy Yevtushenko

Feb 23

The state of the Pragmatica (Feb 2022)

#java #asynchronous #core

2 min read

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Sergiy Yevtushenko

Nov 30 '21

Pragmatic Functional Java: Performance Implications

#java #beginners

4 min read

Sergiy Yevtushenko

Sep 3 '21

Leveraging Java Type System to Represent Special States

#java #beginners

14 3

4 min read

Sergiy Yevtushenko

Sep 2 '21

Sober Look at Microservices

#beginners #architecture #microservices

14 3

8 min read

Sergiy Yevtushenko

Jul 29 '21

Lies, Damned lies, and Microservice "Advantages"

#microservices #beginners

4 min read

Sergiy Yevtushenko

Jul 21 '21

Microservices Are Dragging Us Back

#architecture #microservices #cluster

3 3

2 min read

Sergiy Yevtushenko

Jun 7 '21

How Interfaces May Eliminate Need For Pattern Matching (sometimes)

#java #beginners

6 2

3 min read

Sergiy Yevtushenko

Dec 11 '20

Hidden Anatomy of Backend Applications

#backend #architecture #tutorial #beginners

4 min read

Sergiy Yevtushenko

Aug 16 '20

Reactive Toolbox: Why and How

#java #beginners #programming

5 3

5 min read

Sergiy Yevtushenko

Jul 16 '20

Fast Executor For Small Tasks

#java #beginners #concurrent

4 min read

Sergiy Yevtushenko

Jul 14 '20

Beautiful World of Monads

#java #beginners #tutorial

38 4

7 min read

Sergiy Yevtushenko

Jun 20 '20

Simple Implementation of Fluent Builder - Safe Alternative To Traditional Builder

#beginners #java #tutorial #pattern

10 2

4 min read

Sergiy Yevtushenko

Jun 3 '20

The Backend Revolution or Why io_uring Is So Important.

#backend #architecture #tutorial #beginners

6 min read

Sergiy Yevtushenko

Jun 2 '20

Data Dependency Analysis in Backend Applications

#architecture #beginners

6 min read

Sergiy Yevtushenko

May 6 '20

Don't Do Microservices If You Can

#microservices #beginners #tutorial #devops

3 min read

Sergiy Yevtushenko

Mar 29 '20

Functional Core with Ports and Adapters

#discuss #architecture

11 6

1 min read

Sergiy Yevtushenko

Feb 21 '20

Data Dependency Graph

#data #dependency #graph #ddg

4 min read

Sergiy Yevtushenko

Feb 18 '20

Popularity != Quality

#watercooler

2 min read

Sergiy Yevtushenko

Jan 10 '20

Why Agile Methods are way to go (most of the time)

#agile #beginners

1 min read

Sergiy Yevtushenko

Jan 9 '20

Why software development is so conservative?

#watercooler

19 13

2 min read

Sergiy Yevtushenko

Dec 11 '19

Why use functional style in Java?

#java #lang #beginners

6 2

1 min read

Sergiy Yevtushenko

Dec 9 '19

Playing with Monad or How to enjoy functional style in Java

#java #lang #beginners #tutorial

3 min read

Sergiy Yevtushenko

Nov 13 '19

Considerations and overview of web backend architectures

#architecture #backend #beginners

4 min read

Sergiy Yevtushenko

Nov 13 '19

Packaging is not an architecture or few words about Monolith

#architecture #beginners

14 7

1 min read

Sergiy Yevtushenko

Nov 5 '19

Creating DSL-like API's in Java (and fixing Builder pattern)

#java #lang

10 4

2 min read

Sergiy Yevtushenko

Nov 5 '19

Interface-only programming in Java

#java #lang #beginners #tutorial

3 min read

Sergiy Yevtushenko

Nov 5 '19

When Builder is anti-pattern

#java #lang #beginners

47 25

2 min read

Sergiy Yevtushenko

Nov 4 '19

Couple words about static factory methods naming.

#java #lang

1 min read

Sergiy Yevtushenko

Oct 28 '19

Proper API for Java List

#discuss #java #lang

7 6

3 min read

Sergiy Yevtushenko

Oct 24 '19

Asynchronous Processing in Java with Promises

#java #lang #tutorial

4 min read

Sergiy Yevtushenko

Oct 23 '19

The power of Tuples

#java #lang #beginners #tutorial

8 1

2 min read

Sergiy Yevtushenko

Oct 20 '19

Monads for Java programmers in simple terms

#java #beginners #tutorial

1 min read

Sergiy Yevtushenko

Oct 20 '19

Consistent error propagation and handling in Java

#java #lang #tutorial #beginners

4 min read

Sergiy Yevtushenko

Oct 12 '19

Consistent null values handling in Java

#java #lang #tutorial #beginners

7 4

3 min read

Sergiy Yevtushenko

Sep 30 '19

Asynchronous Processing Models in Services

#reactive #functional #java #beginners

3 min read

Sergiy Yevtushenko

Sep 28 '19

Yet another dependency injection library

#dependency #injection #java #productivity

3 min read

Sergiy Yevtushenko

Sep 20 '19

Nanoservices, or alternative to monoliths and microservices...

#discuss #architecture #nanoservices

17 3

6 min read

Sergiy Yevtushenko

Sep 19 '19

The buzzwords religion

#software #engineering #java #kotlin

3 min read

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