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Igor Kazarnovskiy-Practical Semester

Igor Kazarnovskiy - Practical Semester - profile avatar
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Berlin, Germany

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Experience

Apr 2008 - Present

Freelance Software Developer

Position Summary
Industries
Information Technology
Business Areas
Information Technology
Sep 2003 - Apr 2008

Information Management Gesellschaft GmbH

Position Summary
Industries
Information Technology
Professional Services
Business Areas
Information Technology
Sep 2002 - Sep 2003

Practical Semester

Information Management Gesellschaft GmbH

Position Summary
Practical Semester at Information Management Gesellschaft GmbH
Industries
Information Technology
Business Areas
Information Technology
May 2001 - May 2002

C.I.S. AG

Position Summary
Industries
Information Technology
Business Areas
Information Technology

Industry Experience

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

Experienced in Information Technology and Professional Services.

Information Technology
Professional Services
Profile match chart

Business Area Experience

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

Experienced in Information Technology.

Information Technology
Profile match chart

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

Frequently asked questions

Have questions? Find more information here.

Igor is based in Berlin, Germany.
Igor speaks the following languages: German (Native).
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.
Based on recent experience, Igor would be well-suited for roles such as: Practical Semester.
In recent years, Igor has worked for Freelance Software Developer.
Igor is most experienced in industries like Information Technology and Professional Services.
Igor is most experienced in business areas like Information Technology.
Igor has recently worked in industries like Information Technology.
Igor has recently worked in business areas like Information Technology.
Igor attended Fachhochschule Hannover for Applied Computer Science.
Igor will be available full-time from June 2026.
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.
To hire Igor, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

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900
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Market avg: 856-1016 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.