Jan Radon - Software Engineer / Software Architect / Team Lead

Q: Where is Jan based?

Jan is based in Münster, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Jan speak?

Jan speaks the following languages: German (Advanced), English (Advanced) .

Q: How many years of experience does Jan have?

Jan has at least 14 years of experience. During this time, Jan has worked in at least 23 different roles and for 3 different companies . The average length of individual experience is 1 year and 7 months . Note that Jan may not have shared all experience and actually has more experience.

Q: What is Jan's latest experience?

Jan's most recent position is Software Engineer / Software Architect / Team Lead at jaraco GmbH .

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

In recent years, Jan has worked for jaraco GmbH .

Q: Which industries is Jan most experienced in?

Jan is most experienced in industries like Information Technology (IT) , Energy , and Banking and Finance . Jan also has some experience in Insurance , Manufacturing , and Telecommunication .

Q: Which business areas is Jan most experienced in?

Jan is most experienced in business areas like Information Technology (IT) , Product Development , and Quality Assurance (QA) . Jan also has some experience in Project Management , Logistics , and Supply Chain Management .

Q: Which industries has Jan worked in recently?

Jan has recently worked in industries like Energy , Banking and Finance , and Insurance .

Q: Which business areas has Jan worked in recently?

Jan has recently worked in business areas like Information Technology (IT) , Project Management , and Product Development .

Recommended expert

Münster, Germany

Experience

Jan 2024 - Present

2 years 2 months

Software Engineer / Software Architect / Team Lead

jaraco GmbH

Design and implementation of modern DevOps pipelines
AI-assisted software development (including prompt engineering with GitHub Copilot)
Architecture and development of microservices
Introduction of Kafka for message-based inter-service communication
Leading a development team

Apr 2022 - Dec 2024

2 years 9 months

IT Consultant / Enterprise Architect

jaraco GmbH

Migration consulting for legacy systems into an on-premise OpenShift environment
Development of migration strategies and methods
Tool and process consulting as well as integration into a consistent overall process
Quality assurance measures in the migration context
Coordination of workstreams and technical consulting
Support for project management to stabilize operations

Sep 2021 - Dec 2023

2 years 4 months

Software Architect / Software Engineer / Team Lead

jaraco GmbH

Architecture design and implementation
API design and data pipeline setup
International collaboration (DE, UK, IN, RO, VN)
Coaching, training, and support for development teams
Code and architecture reviews as well as error analysis

Apr 2021 - Sep 2021

6 months

Software Engineer / Architect / Consultant

jaraco GmbH

Conceptualization and implementation of technical solutions
API design and message processing
Frontend development with Angular
International teamwork (DE/IN)

May 2020 - Mar 2021

11 months

Software Architect

jaraco GmbH

Design and development of REST APIs
Processing of large volumes of data using batch and event-based pipelines
Architecture consulting and error analysis
Team leadership in an international environment (DE/RO)

Mar 2020 - Dec 2024

4 years 10 months

Consultant

jaraco GmbH

Consulting on Dovecot / Ceph / Dovecot-Ceph-Plugin
Support for go-live, performance tests, bug fixing, and enhancements

Feb 2020 - Jul 2021

1 year 6 months

Full-Stack Developer / Coach

jaraco GmbH

Developed a smart tracking solution
Migrated legacy systems to microservices
Built and trained a development team
Code reviews and international troubleshooting (DE/FR)

Aug 2019 - Present

6 years 7 months

IT Freelancer with own GmbH / Managing Director

jaraco GmbH

Designed and developed custom software solutions
IT architecture consulting and technical project management
Supported companies in digitizing and modernizing systems
Carried out projects in the insurance, banking, energy, tourism, industry, and telecommunications sectors

Aug 2019 - Dec 2019

5 months

Commissioning / Fault Analysis Consultant / Coach

Jan Radon Consulting GmbH

Supported the commissioning of a warehouse management system in Belgium
Error analysis, ticket creation, retesting
Advice and training for employees

Aug 2019 - Sep 2019

2 months

Development Process / Product Development Consultant / Coach

Jan Radon Consulting GmbH

Analyzed development processes (C# WPF)
Performance requirements and recommendations
Built a Scrum team, pair programming

May 2017 - Mar 2020

2 years 11 months

Project Manager / C/C++/Go Engineer

jaraco GmbH

Development of a Ceph plugin for Dovecot
Conducting load tests and performance analyses
Migration of Dovecot versions including plugin adjustments
Setting up a DevOps test environment
Switching to Git, consulting and deployment support
Code reviews and lasting bug fixes

Jun 2016 - Sep 2016

4 months

C# Engineer Product Development

Jan Radon Consulting GmbH

Prototype development and requirements analysis

Apr 2016 - Jul 2016

4 months

Java Engineer / Consultant

Jan Radon Consulting GmbH

Android app for cloud video streaming
Agile work with modern CI/CD processes

Dec 2015 - Jul 2016

8 months

Java EE Engineer / Component Designer

Jan Radon Consulting GmbH

Building a messaging system with Apache Camel and ActiveMQ
Unit and integration tests, prototype development, SSO

Sep 2014 - Dec 2015

1 year 4 months

Software Developer Full Stack

Jan Radon Consulting GmbH

Control software, visualization, performance and functional tests in Hungary

Aug 2014 - Sep 2014

2 months

Java Developer Apache Wicket

Jan Radon Consulting GmbH

Development of Wicket components with a JS frontend

Jun 2014 - Aug 2014

3 months

C# Developer (WPF, MVVM)

Jan Radon Consulting GmbH

Test automation, framework optimization, deployment in Scotland

Dec 2013 - Jun 2014

7 months

Full Stack Developer Framework / Product Development

Jan Radon Consulting GmbH

Visualization of logistics processes and framework development

Oct 2012 - Aug 2019

6 years 11 months

IT Freelancer

Development of distributed systems and microservices
Architecture design in enterprise projects
Code reviews, technical consulting and quality assurance
Work on projects using Java, C#, PL/SQL and modern frameworks

Oct 2012 - Jan 2014

1 year 4 months

IT-Consultant & Java EE Software Engineer

Jan Radon Consulting GmbH

Consulting, troubleshooting, requirements analysis

Feb 2012 - Sep 2012

8 months

Software Engineer & Subproject Lead

Iteratec GmbH

Java development in an agile software project
Subproject management and coordination of technical implementation
Collaboration with business units to define technical requirements

Nov 2011 - Feb 2012

4 months

IT Freelancer

Development of distributed Windows applications with C# / WPF
Embedded software development in C
Java-based middleware development for the web
Conducting code reviews, tests, and analysis and design of system architectures

Nov 2011 - Feb 2012

4 months

C# Developer – Distributed WPF Application

Jan Radon Consulting GmbH

Development of a distributed evaluation software with WPF GUI

Nov 2011 - Feb 2012

4 months

Full Stack Developer Java EE, OSGI, Embedded C

Jan Radon Consulting GmbH

Smart meter software development (Java/C) including web services

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (14.5 years), Energy (6.5 years), Banking and Finance (6.5 years), Insurance (6.5 years), Manufacturing (6.5 years), and Telecommunication (6.5 years).

Information Technology

Energy

Banking and Finance

Insurance

Manufacturing

Telecommunication

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (14.5 years), Product Development (13.5 years), Quality Assurance (10.5 years), Project Management (7 years), Supply Chain Management (0.5 years), and Logistics (0.5 years).

Information Technology

Product Development

Quality Assurance

Project Management

Supply Chain Management

Logistics

Skills

Programming Languages And Frameworks

Java: Extensive Experience With Java Ee, Spring Boot, Jpa, And Hibernate.
Kotlin: Use In Modern Microservice Architectures And Api Development.
C#: Specialization In Wpf Applications, Mvvm Pattern, And Backend Components.
C/c++: Development For Embedded Systems And Linux Open Source.
Python: Use In Cloud And Devops Scenarios, For Example For Automation And Monitoring.
Golang: Development Of Plugins And Custom Storage Solutions.
Frontend Technologies: Angular, Html5, Graphql, Jsonapi.

Architectures And Patterns

Microservices: Development And Integration Of Microservices Using Container Technologies Like Spring Boot, Openshift, Docker, And Kubernetes.
Message-oriented Architectures: Use Of Kafka And Rabbitmq.
Cloud Architectures: Utilization Of Openshift, Aws, Google Cloud, And Azure.
Legacy Migrations: Consulting And Execution Of Migrations To Platforms Like Openshift.

Devops And Ci/cd

Build And Deployment Tools: Jenkins, Gitlab Ci/cd, Github Actions, Maven, Gradle, Helm, Flux, Argo Cd.
Containerization: Docker, Kubernetes, Openshift.
Monitoring And Observability: Grafana, Prometheus, Dynatrace, Azure Insights.
Version Control: Git, Svn.

Data Processing And Big Data

Big Data Technologies: Hadoop, Spark, Redis.
Data Pipelines: Design And Implementation Of Scalable Batch And Event-based Pipelines.
Databases: Oracle, Mysql, Postgresql, Firebird Db, Elasticsearch.

Industry And Project Experience

Energy: Architecture Consulting, Interface Development, International Projects.
Banking: Enterprise Architecture, Migrations, And Quality Assurance.
Insurance: Devops Pipeline Design, Ai-based Development.
Telecommunications: Big Data Architectures And Rest Apis.
Tourism And Logistics: Microservices, Backend And Frontend Development, Data Integration.
Industry: Smart Tracking And Collaboration In International Teams.

Soft Skills And Methodologies

Agile Methods: Scrum, Kanban, And Devops Principles, Safe.
Project Management: Building And Leading Teams, Coaching.
International Collaboration: Project Language English With Teams From Various Countries (E.g., Germany, France, Romania, Poland, India).
Quality Assurance: Code Reviews, Unit Tests, Integration Tests, Pair Programming, And Automated Quality Tools.

Core Technologies And Tools

Backend Technologies: Java (Spring Boot, Java Ee), Kotlin, Golang.
Containerization And Cloud: Docker, Kubernetes, Openshift, Azure, Aws, Google Cloud.
Message-oriented Systems: Kafka, Rabbitmq.
Frontend Technologies: Angular, Graphql, Jsonapi.
Monitoring: Grafana, Prometheus, Dynatrace.
Databases: Oracle, Postgresql, Elasticsearch, Mysql, Mongo, Db2.

Languages

German

Advanced

English

Advanced

Education

Mar 2005 - Feb 2009

University of Applied Sciences for Technology, Business and Design

Bachelor in Software Engineering · Software Engineering · Konstanz, Germany

Sep 2001 - May 2003

Fischer (formerly Fischer Computertechnik GmbH)

Apprenticeship as IT Specialist · IT Specialist · Radolfzell, Germany

Certifications & licenses

Certified Professional Scrum Master I

Serview, Berlin

Certified Professional Scrum Product Owner I

Serview, Berlin

Profile

Created

September 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Jan based?

Jan is based in Münster, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Jan speak?

Jan speaks the following languages: German (Advanced), English (Advanced).

How many years of experience does Jan have?

Jan has at least 14 years of experience. During this time, Jan has worked in at least 23 different roles and for 3 different companies. The average length of individual experience is 1 year and 7 months. Note that Jan may not have shared all experience and actually has more experience.

What roles would Jan be best suited for?

Based on recent experience, Jan would be well-suited for roles such as: Software Engineer / Software Architect / Team Lead, IT Consultant / Enterprise Architect, Software Architect / Software Engineer / Team Lead.

What is Jan's latest experience?

Jan's most recent position is Software Engineer / Software Architect / Team Lead at jaraco GmbH.

What companies has Jan worked for in recent years?

In recent years, Jan has worked for jaraco GmbH.

Which industries is Jan most experienced in?

Jan is most experienced in industries like Information Technology (IT), Energy, and Banking and Finance. Jan also has some experience in Insurance, Manufacturing, and Telecommunication.

Which business areas is Jan most experienced in?

Jan is most experienced in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA). Jan also has some experience in Project Management, Logistics, and Supply Chain Management.