Education

Fernuniversität Hagen

Economics

1997 - 2004

Bachelor

Berufsakadmenie Stuttgart

Business Informatics

1994 - 1997

Diplom

Professional career

Netzalist GmbH & Co. KG

Founder, CEO

2013 - PRESENT

Leipzig / Fambach

Software development, consulting, training.

Founded in 2013 as the successor for Rope Development, Netzalist

GmbH& Co. KG is the main company and active in several business

activities.

Virtual Contact Group GmbH

Founder, CEO

2004 - PRESENT

Leipzig / Fambach

Founded in 2004 as a framework for a planned joint venture, which was

later realized differently. Today, VCG is a limited partner of Netzalist

GmbH & Co. KG and is not active on the market itself.

Rope Development

Founder

2002 - 2013

Frankfurt / Main

Software development and consulting.

Netzalist GmbH & Co. KG took over from Rope Development in 2013.

Adcotel GmbH

Co-Founder, CEO

2005 - 2007

Leipzig

Development and distribution of a cloud platform including in-house

development of the necessary infrastructure (customer portal, billing,

order taking) for an existing campaign management solution.

15 employees, 2.5 million turnover

2008 Sale of Adcotel to Tribe Technologies, Frankfurt / Main

DBPro GmbH

Co-Founder, CTO

1996 - 2001

Stuttgart

Development and Distribution of callcenter software AgentONE™.

15 employees, 1,5M revenues.

1999 Sold company to Softmatic AG / Hamburg, Continued as CTO.

MTEC Computer

Founder

1994 - 1996

Stuttgart

First company, System builder to finance college.

Project History 1995 - PRESENT

Siemens Healthineers / Advanced Therapies

ROLE: DevOps Engineer, Consultant, Trainer

04 / 2023 - PRESENT



https://www.siemens-healthineers.com/

Taking responsibility for resolving technical debt by moving

development from TFS / TFVC to AzureDevops / Git, Rebuilding

pipelines, created monitoring solutions (log and metric collection /

visualisation)

C#, TypeScript, NextJS, AzureDevops, GIT, Github Copilot, ChatGPT, TFS, TFVC,

Grafana

Siemens Healthineers / Uniform Installation

ROLE: DevOps Engineer, Developer, System

Integrator

02 / 2022 - 03 / 2023



http://www.siemens-healthineers.com

Created the devops pipeline for the new provisioning system "Uniform

installation" including provisioning the software to real computography

hardware and running test on hardware and simulators.

Coordinated with OPs and CM Teams

Azure DevOps, .NET, C#, Ansible, Docker, SALT

Siemens Healthinneers / Somaris X

ROLE: DevOps Engineer, DevOps Enabler,

Consultant, System Integrator

07 / 2021 - 01 / 2022



https://www.siemens-healthineers.com

Migrated the build pipeline for the Somaris series of computed

tomography machines to Microsoft Azure. Automated and optimized the

integration components for a large number of globally distributed

development teams with several hundred developers. Provided support

and training to the teams in the area of DevOps.

Microsoft Azure, Azure DevOps, PowerShell, IoT, .NET 6.0, C#, Linux, Scripting

RWE Contract Manager

ROLE: Business Analyst, IT-Lead, Senior Software

Developer, Architect

03 / 2021 - 09 / 2021



https://www.rwe.com/

Implemented a new platform with analysis, architecture, and

stakeholder coordination, adhering to defined roadmaps and milestones.

Developed central contract management system, transitioning from

Delphi/Oracle to .NET Core 5/MongoDB, and integrated containerization

with Docker and Kubernetes. Established continuous deployment

pipeline in Azure DevOps, and facilitated HTTP/RESTful APIs and Kafka

notifications.

.NET 5.0, C#, Blazor Server, MongoDB, Docker, Kubernetes, Oracle, Kafka, Azure

DevOps, AWS, Balsamiq

RWE Gas Trading Machine

ROLE: Senior Software Developer / Architect

08 / 2020 - 02 / 2021



https://www.rwe.com

Conducted full stack development of multiple internal tools, migrating to

.NET 5.0. Established a central logging infrastructure using Elastic Stack

(formerly ELK). Advanced software development for automated gas

trading, encompassing trading and asset management functions.

.NET Core 3.1 / .NET 5.0, C#, Vue.JS, Scala, Elastic Stack (Beats, Logstash, Elastic

Search, Kibana, Grafana, Prometheus). Docker, Kafka, MongoDb, Oracle, Azure

DevOps, AWS

NAS Smart Platforms GmbH

ROLE: Consultant, Dev-Ops Engineer

04 / 2021 – 06 / 2021



https://www.bundleregional.com/

Part Time Project (15 h / Week)

Adjusted, updated, and monitored the AKS (Azure Kubernetes Service)

platform to ensure a smooth operational launch. Optimized cloud

resource costs. Provided support and consultancy for the platform's go-

live, focusing on areas like APM, log collection, scaling, CI/CD, disaster

recovery, and integration with customer systems.

Microsoft Azure, AKS, Helm, Terraform, Kubernetes, Docker, Elastic Stack, Sentry,

Linux, JIRA, Gitlab, NodeJs, TypeScript, Kafka, Redis, Microservice Architecture.

SAP Flexpay (SAP AG)

ROLE: Senior Software Developer / Architect

11 / 2019 – 05/2020



https://www.sap.de

Developed a new payment solution for SAP users, encompassing full

stack development of the web application using Vue.js and Node.js.

Prepared for rollout, addressing non-functional requirements including

continuous delivery pipeline, cloud deployment, resilience, security, and

monitoring

TypeScript, Node.js, Vue.js, Cypress, Loopback, REST, Postman, Cloud Foundry, Git,

Github, ZenHub, Postgres

Otto COM+ (Sogedes GmbH, Mannheim, DE)

ROLE: General project manager

06 / 2019 – 11 / 2019



http://www.otto.de

Oversaw and managed the overall project for the General Contractor

Sogedes GmbH/Mannheim, focusing on technical subprojects, quality

assurance, and adherence to timelines and milestones. Led the

replacement of the entire telecommunications and contact center

platform with an IP-based solution for Otto and its subsidiaries

(AboutYou, SportScheck, etc.), including integration into the Otto IT

environment (chat, AI, translator, social media, and email connectivity)

Cloud Sigma / DARZ, SIP, Collab OneContact, Google Cloud Platform, Avaya, C# /

.NET (Integration), ESB, Enterprise Service Bus Architecture (Otto), Microsoft Azure

Josef Witt GmbH

ROLE: DevOps Engineer, Interim Team Lead,

Interface Ops <->Dev

04 / 2018 bis 06 / 2019



https://www.witt-weiden.de/

Transitioned on-premise infrastructure to cloud, Kubernetes, and

Docker as an interim team lead for the Ops team. Managed the operation

of 15 online shops generating 1 billion in annual revenue across 10

countries. Implemented and enhanced monitoring and logging solutions

(5 billion log lines per month), and supported the shift to

Kubernetes/Docker infrastructure (both on-premise and in AWS).

Linux (Suse / Ubuntu), Kubernetes (On Premise + AWS & Azure), Docker, AWS,

Azure, Ansible, ELK, Kafka, Jira, Confluence

Stylelounge.de

ROLE: Senior Developer, Interim Team Lead /

Software Architect

07 / 2017 - 03 / 2018



https://www.stylelounge.de

Assumed leadership of a development team following the departure of a

senior developer. Focused on enhancing the solution for high scalability

and availability. By March 2018, the portal was active in several

countries, with databases experiencing several billion updates monthly.

The system encompassed over 1,000 Docker containers/Kubernetes

pods.

TypeScript, NodeJS, Docker, Kubernetes, Helm, RabbitMQ, Google Cloud Platform,

GKE, Jira, Git

Contextor (SAP) / Sogedes

ROLE: Product Manager

01 / 2016 – 07 / 2017



https://www.contextor.eu

Led a Robot Process Automation (RPA) project with Contextor, focusing

on the market launch of a new product for workflow automation.

Established internal structures, directed project management for large-

scale projects, and provided technical consulting. Developed and

conducted training programs, integrating various tools such as IVR,

email, chat, and chatbots.

JavaScript, NodeJS, AngularJS, Microsoft Azure

Comparis.ch

ROLE: Architect, Software Developer, Researcher

08 / 2015 – 12 /2015



https://www.comparis.ch

Developed prototypes for the new microservice architecture of the entire

platform, involving research and preparation of decision-making

templates. Analyzed the existing platform, formulated and validated

architectural and design proposals for the new service architecture.

C#, Visual Studio, Docker, Consul, Zookeeper

Daimler Fleetboard, Drivers‘ League

ROLE: Project steering, Software develoepr

04 / 2015 – 07 /2015



https://group.mercedes-benz.com/

Fully took over the code and hosting of Drivers' League, managing its

further development and live deployment. Responsibilities included

analysis, consulting, and software development. Handled the takeover of

the old code, modified the login process, rolled out onto new servers,

oversaw the live deployment, and transitioned the project to a new team.

NodeJS, Express, AngularJS, HTML5, CSS, MySQL

Actano, RPlan

ROLE: Project Lead, Software Developer

04 / 2013 – 03 /2015



https://www.actano.de

Refactored and advanced the .NET components of the project (legacy

software), integrating Scrum methodologies. Managed an international

development team. Ported software to .NET 4.0, enhanced test coverage,

and introduced a cloud infrastructure based on VMWare ESX Server.

Transformed the development process for greater efficiency.

Visual Studio.NET 2012, VB.NET, Office Integration, Jira, Confluence, ESX Server,

XML, SOAP

Enterprise Mobile App Server

ROLE: Software Architect, Software Developer

09 / 2012 - 03/2013



https://metaqark.de

Developed Microsoft components (Windows Phone/Windows 8) for a

distributed system for building and deploying mobile applications. This

involved adapting the design and functionality of Mac/Java components.

The process included designing, developing, and testing these

components to ensure their integration and performance within the

mobile application deployment system, while maintaining consistency

across different platform requirements.

Visual Studio.NET 2012, Microsoft SQL Server 2012, ASP.NET, MVVM, MVC

EGL GRETA

ROLE: Software architect / software developer

07 / 2011 - 09 / 2012



https://www.energiegenossenschaft-leipzig.de

Developed a web-based information platform tailored for an energy

company's B2B clients, focusing on financial and contractual data. This

project involved creating a user-friendly interface for clients to access

critical business information easily.

Visual Studio.NET 2012, Microsoft SQL Server 2012, ASP.NET, MVVM, Infragistics

NetAdvantage 2012.3, Nunit, RhinoMocks, TeamCity

DONG Energy

ROLE: Software architect / Software developer

10 / 2010 - 06/2011



https://orsted.com/

Led the redesign of the user interface for a software company's

management system, focusing on enhancing user experience and

functionality (Phase 1). In Phase 2, expanded the system by integrating

new features such as alarm shutdown, messaging, and other key

functionalities. These enhancements were aimed at improving

operational efficiency and communication with actual plants. The

project combined user-centric design with technical innovation to meet

the specific operational needs of the company.

Visual Studio.NET 2008, SQL Server 2005

AlineaDialog / HLKomm, Leipzig

ROLE: Software Architect, Customer Consultant

01 / 2010 - 10 / 2010



https://www.pyur.com/

Oversaw the architecture, design, implementation, and installation of a

modular extranet/customer portal for a local carrier, focused on billing

for telecommunication and Software as a Service (SaaS) offerings. This

comprehensive role also included knowledge transfer to the client,

conducting training sessions, and providing ongoing maintenance. A key

aspect of the project was the successful integration of the portal with the

local ERP system, ensuring seamless operation and data

synchronization.

ASP.NET, Sql Server 2008, SOAP/REST

itCampus / Adcotel - ELSBETH PowerContact

ROLE: 2004-2007: CTO Adcotel / 2009: Director

SaaS itCampus

2004-2007 and 2009



https://www.adcotel.de

Led the development and marketing of a SaaS platform for the ELSBETH

Callcenter Suite, including an integrated billing system and connection

with order management/ERP systems (ProAlpha). This project involved

the creation of business models and their technical implementation for

the SaaS offering, encompassing marketing and sales strategies.

Managed a team of 12, with budget responsibility for generating

approximately 2.5 million euros in revenue.

.NET, C#, Distributed Computing Platform

Rope Development, Lead Manager Pro

ROLE: PO, Architect, Lead Developer

2002-2004 + 2008



https://www.rope-development.de

Led the development of a new, modular ASP.NET/web-based CRM/Lead

Management tool as a standalone product. This involved integrating the

tool into various CRM ecosystems, including SAP, CAS, and MS Dynamics,

ensuring compatibility and seamless operation across different

platforms.

ASP.NET, Visual Studio.NET, SQL Server 2000

DBPro GmbH, AgentONE

ROLE: CTO

1997 - 2001



http://www.dbpro.de

Directed the development of a new CRM and call center software,

incorporating interfaces with various telecommunication and CRM

systems. Managed the full project lifecycle including requirements

gathering, project management, design, programming, implementation,

and maintenance. Led a team of 15, with 11 in technical roles. In 1999,

successfully oversaw the sale of the company to Softmatic AG, Hamburg.

Visual Basic 6, Message Queueing (MSMQ), Sql Server 6.5, Sql Server 7.0, Corba,

DCOM

Mercedes Benz Infoline

ROLE: Software developer

1995 - 1996



https://group.mercedes-benz.com/

Developed and maintained a database application handling several

million customer records. This project involved creating reports and

various tools, including systems for customer and credit card embossing

and data masking. Responsibilities encompassed programming, as well

as maintaining the databases and server infrastructure.

SQL Server 6.5