Igor Kazarnovskiy - Practical Semester

Q: Where is Igor based?

Igor is based in Berlin, Germany .

Q: What languages does Igor speak?

Igor speaks the following languages: German (Native) .

Q: How many years of experience does Igor have?

Igor has at least 25 years of experience. During this time, Igor has worked in at least 1 role and for 3 different companies . The average length of individual experience is 6 years and 2 months . Note that Igor may not have shared all experience and actually has more experience.

Q: What companies has Igor worked for in recent years?

In recent years, Igor has worked for Freelance Software Developer .

Q: Which industries is Igor most experienced in?

Igor is most experienced in industries like Information Technology and Professional Services .

Q: Which business areas is Igor most experienced in?

Igor is most experienced in business areas like Information Technology .

Q: Which industries has Igor worked in recently?

Igor has recently worked in industries like Information Technology .

Q: Which business areas has Igor worked in recently?

Igor has recently worked in business areas like Information Technology .

Q: What is Igor's education?

Igor attended Fachhochschule Hannover for Applied Computer Science .

Recommended expert

Berlin, Germany

Check rate

Experience

Apr 2008 - Present

18 years 2 months

Freelance Software Developer

Sep 2003 - Apr 2008

4 years 8 months

Information Management Gesellschaft GmbH

Sep 2002 - Sep 2003

1 year 1 month

Practical Semester

Information Management Gesellschaft GmbH

May 2001 - May 2002

1 year 1 month

C.I.S. AG

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology and Professional Services.

Information Technology

Professional Services

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology.

Information Technology

Summary

Seamless integration of classic software development and modern AI I combine proven software engineering (Java, Spring, Angular, React) with up-to-date AI-based system know-how – so you benefit from stability and innovation at the same time.

Architectural insight meets implementation skills I bring a solid understanding of software architecture and apply it hands-on – with a clear focus on quality, efficiency, and future-proofing.

Experience in diverse industries and project environments Whether in telecom, finance, or research: I quickly adapt to new domains and reliably deliver results your teams can rely on.

Skills

Top Skills

Backend Development With Java, Kotlin, Python, And Spring
Frontend Development With Angular & React
Development Of Llm Agents And Rag Systems With Langchain, Langgraph & Autogen
Many Years Of Project Experience In Enterprise Software Development

Experience

Programming Languages

Java
Python
Javascript
Typescript
Kotlin
C
C++

Other Languages

Xml
Html
Sql
Xslt
Css

Technologies

Java
Mda
J2ee
Ejb
Jpa
Jms
Jsp/Servlets
Rmi
Jsf
Jdbc
Java Portlet Api (Jsr 168)
Java Portlet Api 2 (Jsr 286)
Ibm Portlet Api
Web Services
Jax-Ws
Wsdl
Soap
Restful
Openapi
Jax-Rs
Saaj
Ajax
Uml
Eclipse Sdk
Eclipse Rcp
Swt
Jface
Single Sign-On
Bpmn 2
Ldap
Docker
Reactive Programming
Openai
Genai
Llm
Mcp
Rag
Llm Agents
Codex
Claude Code

Frameworks

Spring
Spring Boot
Spring Mvc
Spring Webflux
Spring Data
Spring Batch
Hibernate
Eclipselink
Micronaut
Weld
Myfaces Codi
Struts
Apache Tiles
Myfaces Core
Richfaces
Icefaces
Thymeleaf
Angular
React
Polymer
Litelement
Jquery
Dojo
Dwr
Axis
Xfire
Cxf
Apache Commons
Batik
Jodatime
Log4j
Lucene
Itext
Andromda
Spring Security
Activiti
Junit
Testng
Jmock
Easymock
Powermock
Mockito
Langchain
Langgraph
Celery
Prefect
Deepeval
Next.Js
Fastapi
Flask

Platforms

Azure App Services
Aws Ec2
Aws Ecs
Aws Elastic Beanstalk
Openshift
Node.Js
Apache Tomcat
Websphere Application Server 5
Websphere Portal Server 5
Jboss As
Jboss Portal
Ie
Firefox
Chrome
Lotus Notes/Domino
Ibm Content Manager
Bea Weblogic 10.3
Finapi
Keycloak
Kubernetes

Databases

Mysql
Oracle
Db2
Postgresql
Informix
Mongodb
Couchdb
Pouchdb
Cntdb
Chroma

Development Environments / Ides

Visual Studio Code
Eclipse
Intellij
Pycharm
Cloud9
Myeclipse
Websphere Application Developer 5
Rational Software Architect 6
Magicdraw Uml
Jbosside
Borland Jbuilder
Soapui
Egit

Build Systems

Ant
Maven
Gradle
Npm
Aws Codebuild
Helm
Github Actions

Source Code Versioning

Cvs
Svn
Clearcase
Git
Aws Codecommit

Project Management

Jira
Track
Clearddts
Gitlab
Scrum

Languages

German

Native

Education

Oct 1999 - Jun 2003

Fachhochschule Hannover

Diploma in Computer Science (FH) · Applied Computer Science · Hanover, Germany

Statistics

Experience

Total positions 4

Experience in Information Technology 24.5 y

Avg length 6 y 2 m

Longest experience 18 y 1 m

Expertise

Recent roles Practical Semester

Main industries Information Technology, Professional Services

Main business areas Information Technology

Profile

Created

April 2026

Need a freelancer? Find your match in seconds.

Try FRATCH GPT

Frequently asked questions

Have questions? Find more information here.

Where is Igor based?

Igor is based in Berlin, Germany.

What languages does Igor speak?

Igor speaks the following languages: German (Native).

How many years of experience does Igor have?

Igor has at least 25 years of experience. During this time, Igor has worked in at least 1 role and for 3 different companies. The average length of individual experience is 6 years and 2 months. Note that Igor may not have shared all experience and actually has more experience.

What roles would Igor be best suited for?

Based on recent experience, Igor would be well-suited for roles such as: Practical Semester.

What companies has Igor worked for in recent years?

In recent years, Igor has worked for Freelance Software Developer.

Which industries is Igor most experienced in?

Igor is most experienced in industries like Information Technology and Professional Services.

Which business areas is Igor most experienced in?

Igor is most experienced in business areas like Information Technology.

Which industries has Igor worked in recently?

Igor has recently worked in industries like Information Technology.

Which business areas has Igor worked in recently?

Igor has recently worked in business areas like Information Technology.

What is Igor's education?

Igor attended Fachhochschule Hannover for Applied Computer Science.

What is the availability of Igor?

Igor will be available full-time from June 2026.

What is the rate of Igor?

Igor's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.