Jan Radon - Software Architect and Team Lead for Microservices

🚀 FRATCH GPT 2.0 - Find freelancers with a single prompt. With rate benchmark.

Recommended expert

Münster, Germany

Check rate

Experience

Jan 2024 - Present

2 years 10 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 interservice communication
Leading a development team

Apr 2022 - Dec 2024

2 years 9 months

IT Consultant / Enterprise Architect

jaraco GmbH

Migration consulting for legacy systems to 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 context of migration
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 development of data pipelines
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

Design 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 amounts 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 with go-live, performance testing, bug fixing and enhancements

Feb 2020 - Jul 2021

1 year 6 months

Full-Stack Developer / Coach

jaraco GmbH

Development of a smart tracking solution
Migration of legacy systems to microservices
Building and training a development team
Code reviews and international troubleshooting (DE/FR)

Aug 2019 - Present

7 years 3 months

IT Freelancer with Own GmbH / Managing Director

jaraco GmbH

Design and development of custom software solutions
IT architecture consulting and technical project management
Supporting companies with the digitalization and modernization of systems
Delivery of projects in the insurance, banking, energy, tourism, industrial and telecommunications sectors

Aug 2019 - Dec 2019

5 months

Commissioning / Error Analysis / Coach Consultant

Jan Radon Consulting GmbH

Support with the commissioning of a department store system in Belgium
Error analysis, ticket creation, retesting
Consulting and training of employees

Aug 2019 - Sep 2019

2 months

Development Process / Product Development / Coach Consultant

Jan Radon Consulting GmbH

Analysis of development processes (C# WPF)
Performance requirements, recommendations for action
Building 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
Migration to Git, consulting, and support during commissioning
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

Development of 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 testing in Hungary

Aug 2014 - Sep 2014

2 months

Java Developer Apache Wicket

Jan Radon Consulting GmbH

Development of Wicket components with JS frontend

Jun 2014 - Aug 2014

3 months

C# Developer (WPF, MVVM)

Jan Radon Consulting GmbH

Test automation, framework optimization, commissioning 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, error analysis, requirements analysis

Feb 2012 - Sep 2012

8 months

Software Engineer & Sub-Project Lead

Iteratec GmbH

Java development in an agile software project
Sub-project management and coordination of technical implementation
Collaboration with business departments 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 web environments
Conducting code reviews and tests, as well as analyzing and designing system architectures

Nov 2011 - Feb 2012

4 months

C# Developer – Distributed WPF Application

Jan Radon Consulting GmbH

Development of distributed assessment software with a 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

Industry experience

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

Experienced in Information Technology, Energy, Banking and Finance, Insurance, Manufacturing, and Telecommunication.

Information Technology

Energy

Banking and Finance

Insurance

Manufacturing

Telecommunication

Business area experience

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

Experienced in Information Technology, Product Development, Quality Assurance, Project Management, Supply Chain Management, and Logistics.

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: Used 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 Opensource.
Python: Used In Cloud And Devops Scenarios, For Example For Automation And Monitoring.
Golang: Development Of Plugins And Customized Storage Solutions.
Frontend Technologies: Angular, Html5, Graphql, Jsonapi.

Architectures And Patterns

Microservices: Development And Integration Of Microservices With Container Technologies Such As Spring Boot, Openshift, Docker And Kubernetes.
Message-Oriented Architectures: Use Of Kafka And Rabbitmq.
Cloud Architectures: Use Of Openshift, Aws, Google Cloud And Azure.
Legacy Migrations: Consulting And Implementation Of Migrations To Platforms Such As Openshift.

Devops And Ci/Cd

Build And Deployment Tools: Jenkins, Gitlab Ci/Cd, Github Actions, Maven, Gradle, Helm, Flux, Argocd.
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 Methodological Expertise

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

Main 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

Hochschule für Technik, Wirtschaft und Gestaltung

Bachelor's degree in Software Engineering · Software Engineering · Konstanz, Germany

Sep 2001 - May 2003

Fischer (ehemals Fischer Computertechnik GmbH)

Training as an IT Specialist · IT Specialist · Radolfzell, Germany

Certifications & licenses

Serview, Berlin

Statistics

Experience

Total positions 24

Experience in Information Technology 15 y

Avg length 1 y 7 m

Longest experience 7 y 2 m

Expertise

Recent roles Software Engineer / Software Architect / Team Lead, IT Consultant / Enterprise Architect, Software Architect / Software Engineer / Team Lead

Main industries Information Technology, Energy, Banking and Finance

Main business areas Information Technology, Product Development, Quality Assurance

Qualifications

Highest degree Bachelor

Certifications earned 2

Profile

Member since

September 2025

Last update

September 2026

Need a freelancer? Find your match in seconds.

Try FRATCH GPT

Frequently asked questions

Have questions? Find more information here.

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

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

Jan has at least 15 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.

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.

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

In recent years, Jan has worked for jaraco GmbH.

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

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

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

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

Jan holds a Bachelor in Software Engineering from Hochschule für Technik, Wirtschaft und Gestaltung.

Jan has 2 certificates. These include: Certified Professional Scrum Master I and Certified Professional Scrum Product Owner I.

The availability of Jan needs to be confirmed.

Daily rate distribution

0% 25% 50% 75% 100%

<€720 €720-800 €960-1040 €1040-1120 €1120+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

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

1200

900

600

300

Daily rate avg. 934 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1200

900

600

300

Median rate 1000 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 18 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.