Sebastian Kanzow - Senior Lead Developer, System Architecture

Q: Where is Sebastian based?

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

Q: What languages does Sebastian speak?

Sebastian speaks the following languages: German (Native), English (Advanced), French (Advanced) .

Q: How many years of experience does Sebastian have?

Sebastian has at least 19 years of experience. During this time, Sebastian has worked in at least 16 different roles and for 9 different companies . The average length of individual experience is 1 year and 2 months . Note that Sebastian may not have shared all experience and actually has more experience.

Q: What is Sebastian's latest experience?

Sebastian's most recent position is Senior Lead Developer, System Architecture at AVL DITEST .

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

In recent years, Sebastian has worked for AVL DITEST , IHK für München und Oberbayern , and Globalside GmbH .

Q: Which industries is Sebastian most experienced in?

Sebastian is most experienced in industries like Banking and Finance , Pharmaceutical , and Automotive . Sebastian also has some experience in Government and Administration , Media and Entertainment , and Professional Services .

Q: Which business areas is Sebastian most experienced in?

Sebastian is most experienced in business areas like Information Technology , Product Development , and Project Management . Sebastian also has some experience in Quality Assurance , Business Intelligence , and Finance .

Q: Which industries has Sebastian worked in recently?

Sebastian has recently worked in industries like Automotive , Government and Administration , and Insurance .

Q: Which business areas has Sebastian worked in recently?

Sebastian has recently worked in business areas like Information Technology and Product Development .

Recommended expert

Munich, Germany

Experience

Nov 2023 - Present

2 years 5 months

Senior Lead Developer, System Architecture

AVL DITEST

Redesign of a legacy Windows vehicle diagnostic app as an AWS cloud application
Set up build pipelines and performed code reviews with Kotlin, Spring Boot, Micronaut, Jenkins and GitHub

Jun 2021 - Jun 2023

2 years 1 month

Technical Lead, System Architecture and Code Reviews

IHK für München und Oberbayern

Technical lead for a nearshore development team
Built and expanded a self-service web portal in the Open Telecom Cloud and connected it to the ELSTER portal of the Bavarian State Office for Taxes
System architecture and code reviews with Java, Spring Boot, Angular, Postgres, Keycloak, SAML, Docker, Linux and Ansible

Feb 2021 - Jun 2021

5 months

Munich, Germany

Java Senior Developer Backend

Globalside GmbH

Developed the backend of a mobile app for private health insurers using Java, Spring Boot, RabbitMQ, Kubernetes and AWS
Built a monitoring infrastructure with Prometheus and Grafana
Managed and administered MySQL and Linux environments

Jan 2020 - Dec 2020

1 year

Munich, Germany

Java/Kotlin Senior Developer

Telefónica

Designed and implemented a microservices architecture in Kotlin using Spring Boot, Spring Reactive, REST APIs, MongoDB and Elasticsearch
Developed React front-ends
Implemented and optimized CI/CD build and deployment pipelines on Jenkins with Docker and Docker Swarm
Set up Linux development and test environments

Oct 2018 - Oct 2019

1 year 1 month

Vienna, Austria

Product Owner

UniCredit Group for HVB and Bank Austria

Managed a nearshore team in an outsourcing project for a portfolio management product
Designed system architecture with JEE on WebSphere and specified relational data models in Oracle DB

Aug 2017 - Aug 2018

1 year 1 month

Munich, Germany

Specification and Implementation

Bavarian Association of Statutory Health Insurance Physicians

Specification and implementation of an application for medical documentation
Backend processes in a microservices architecture with Java, Spring Boot, and RabbitMQ
Integration of a legacy application with Wicket in the frontend
Test and delivery management as well as requirement specification in Gherkin/Cucumber

Jan 2016 - Dec 2017

2 years

Planegg, Germany

Architecture and Implementation of a Data Warehouse

Sanacorp GmbH

Architecture and implementation of a data warehouse for graphical real-time processing
Development with JEE on WebLogic, Java Swing, Oracle DB, and PL/SQL
KPI analysis

Jan 2015 - Dec 2016

2 years

Planegg, Germany

Project Manager and Test and Process Manager

Sanacorp GmbH

Scrum project management of an application for invoicing manufacturer rebates in purchasing
Test and process management
Implementation of front-to-back processes and development of a relational data model with WebLogic, Oracle DB, and Java Swing

Apr 2013 - Jul 2017

4 years 4 months

Vienna, Austria

Functional Design and Architecture

UniCredit Group for HVB and Bank Austria

Functional design of regulatory requirements (MiFID, WpHG, etc.) and technical implementation concepts with JSF, Tomcat, and Spring
Agile implementation of a client advisory tool for securities sales
Requirement analysis and specification for MiFID II directive, cost disclosure, and product governance with JEE on WebSphere and DB2

Jan 2013 - Mar 2013

3 months

Vienna, Austria

Functional Specification and Technical Project Management

UniCredit Group for HVB and Bank Austria

Integration of an application to display third-party market data with Tomcat and Oracle DB

Jun 2012 - Dec 2012

7 months

Vienna, Austria

Lead Architect and Responsible for Technical Concept

UniCredit Group for HVB and Bank Austria

Technical involvement and sole responsibility for the technical concept of a rule-based information system using JEE on WebSphere, JSF, and DB2

Jan 2012 - Jun 2012

6 months

Vienna, Austria

System Architect

UniCredit Group for HVB and Bank Austria

Developed the system architecture for a tool to generate PDF files using Java and DB2

Sep 2010 - Dec 2011

1 year 4 months

Vienna, Austria

Operational IT Project Lead and Functional Specification

UniCredit Group for HVB and Bank Austria

Project management and functional specification for providing a JEE web application to document securities advice using WebSphere and Struts

Mar 2010 - Aug 2010

6 months

Vienna, Austria

Functional and System Specification

UniCredit Group for HVB and Bank Austria

Functional and system specification of a confirmation management system in investment banking and integration with existing systems

Sep 2008 - Feb 2009

6 months

Vienna, Austria

Project Lead for Market Data Software Integration

UniCredit Group for HVB and Bank Austria

Project lead for integrating an external market data software

Nov 2006 - Jul 2008

1 year 9 months

Paris, France

Software Developer

Thomson Reuters

Software development with Java and C++

Jul 2004 - Oct 2006

2 years 4 months

Paris, France

Software Developer

IXIS (now NATIXIS)

System integration and development of trading software with Java JEE

Industry Experience

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

Experienced in Banking and Finance, Pharmaceutical, Automotive, Government and Administration, Media and Entertainment, and Professional Services.

Banking and Finance

Pharmaceutical

Automotive

Government and Administration

Media and Entertainment

Professional Services

Business Area Experience

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

Experienced in Information Technology, Product Development, Project Management, Quality Assurance, Business Intelligence, and Finance.

Information Technology

Product Development

Project Management

Quality Assurance

Business Intelligence

Finance

Summary

I have been working for about 15 years in software specification and development, as a technical project manager, lead developer and system architect in agile teams. My project portfolio covers banking, government agencies, wholesale, healthcare, automotive and telecommunications. Part of my role is to analyze business requirements, help create requirement documents (e.g. user stories), design the related data model and interface architecture, and implement according to current IT standards in agile methodologies.

In doing so, I design or extend microservices cloud architectures and full-stack applications in modern IT systems using JEE, Spring Boot and Micronaut frameworks, with SQL or NoSQL databases, REST interfaces or asynchronous event-driven models based on message queues like ActiveMQ, Kafka or RabbitMQ.

I usually work with in-house or nearshore teams of about 5–10 people, including specialized front-end and back-end developers, where I often take on a coordinating and steering role, create detailed specifications, and carry out progress tracking and code reviews according to agreed acceptance criteria. My main development focus in Java and Kotlin is the back end, but I also develop on the front end (especially React).

I also have a strong background in test automation and test-driven development, as well as setting up CI/CD pipelines using Jenkins and GitLab/Bitbucket with Docker and Ansible.

I am communicative, learn new fields quickly and have an autonomous and methodical approach. I am also used to working out and agreeing on constructive solutions with all stakeholders in complex or conflict-prone situations.

Languages

German

Native

English

Advanced

French

Advanced

Education

Oct 2001 - Jun 2004

Paris XII University

Doctor of Computer Science, title: “A multi-agent system for inter-organizational workflow management” · Computer Science · France

Oct 2000 - Jun 2001

Pierre and Marie Curie University, Paris VI

Postgraduate studies · Robotics and Artificial Intelligence · Paris, France

Oct 1996 - Jun 2000

EPF Sceaux / Munich University of Applied Sciences

Double degree (Dipl-Ing. FH / Diplôme d'Ingénieur) · Munich, Germany

Statistics

Experience

Total positions 17

Experience in Banking and Finance 11 y

Avg length 1 y 4 m

Longest experience 4 y 3 m

Global Experience

Countries worked in 3 (Austria, Germany, France)

Primary country Austria

Expertise

Recent roles Senior Lead Developer, System Architecture, Technical Lead, System Architecture and Code Reviews, Java Senior Developer Backend

Main industries Banking and Finance, Pharmaceutical, Automotive

Main business areas Information Technology, Product Development, Project Management

Qualifications

Highest degree Doctorate

Profile

Created

September 2025

Last Update

January 2026

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Frequently asked questions

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

Where is Sebastian based?

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

What languages does Sebastian speak?

Sebastian speaks the following languages: German (Native), English (Advanced), French (Advanced).

How many years of experience does Sebastian have?

Sebastian has at least 19 years of experience. During this time, Sebastian has worked in at least 16 different roles and for 9 different companies. The average length of individual experience is 1 year and 2 months. Note that Sebastian may not have shared all experience and actually has more experience.

What roles would Sebastian be best suited for?

Based on recent experience, Sebastian would be well-suited for roles such as: Senior Lead Developer, System Architecture, Technical Lead, System Architecture and Code Reviews, Java Senior Developer Backend.

What is Sebastian's latest experience?

Sebastian's most recent position is Senior Lead Developer, System Architecture at AVL DITEST.

What companies has Sebastian worked for in recent years?

In recent years, Sebastian has worked for AVL DITEST, IHK für München und Oberbayern, and Globalside GmbH.

Which industries is Sebastian most experienced in?

Sebastian is most experienced in industries like Banking and Finance, Pharmaceutical, and Automotive. Sebastian also has some experience in Government and Administration, Media and Entertainment, and Professional Services.

Which business areas is Sebastian most experienced in?

Sebastian is most experienced in business areas like Information Technology, Product Development, and Project Management. Sebastian also has some experience in Quality Assurance, Business Intelligence, and Finance.

Which industries has Sebastian worked in recently?

Sebastian has recently worked in industries like Automotive, Government and Administration, and Insurance.

Which business areas has Sebastian worked in recently?

Sebastian has recently worked in business areas like Information Technology and Product Development.

What is Sebastian's education?

Sebastian holds a Doctorate in Computer Science from Paris XII University and a Bachelor from EPF Sceaux / Munich University of Applied Sciences.

What is the availability of Sebastian?

Sebastian is immediately available full-time for suitable projects.

What is the rate of Sebastian?

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