Christian Taeschner - AI Transformation & Test Manager

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Kranenburg, Germany

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Experience

Jul 2026 - Present

4 months

Germany

AI Enablement: Training & Coaching on Claude Code and ChatGPT Codex

Yachtino

Strategic AI consulting for management, identification, assessment and prioritization of agentic use cases, training for the development team and management

Jun 2026 - Aug 2026

3 months

Germany

Consulting in the procurement process for a test and test infrastructure tender

Intellias

Proposal/solution concept & transition planning

Dec 2025 - Mar 2026

4 months

Stuttgart, Germany

AI-based digital vehicle assistant

PORSCHE

Quality audit, new status model with classification and escalation, quality criteria and metrics for non-deterministic AI behavior as a basis for approval, E2E test strategy

Oct 2025 - Present

1 year 1 month

Hybrid

Quality Expert, Consultant & Enthusiast

Quality Consulting Taeschner (QCT)

Consulting and development of tailored test strategies, quality concepts and Quality Governance structures
Consulting on the use of Artificial Intelligence, with a focus on AI-supported test strategies (test design, tools, automation)
Testing of AI systems and AI-supported solutions (e.g. guardrails, non-deterministic behavior, ethical and adversarial scenarios)
Consulting and development of AI governance and compliance guidelines
Analysis, design and optimization of test processes
Planning and conducting quality audits
Preparation and moderation of quality workshops
Test management for digital ecosystems
Quality management: business and process analysis
Change, transition and project management
Identification and provision of suitable subject-matter resources
Training seminars and courses for quality and test managers, product owners and project managers on effective QA strategies and methods
Professional mentoring and consulting for managers in quality-oriented leadership roles
Teaching testing fundamentals, design and methods to IT professionals or career changers

AI Governance (EU AI Act, ISO 42001) · Use Cases (Yachtino) · AI System Audit (Porsche)

Jan 2024 - Jun 2025

1 year 6 months

Wolfsburg, Germany

Hybrid

Business Development Manager

Expleo Technology Germany GmbH

Business development in the quality and testing environment of a leading automotive manufacturer
Identification of business opportunities, strategic realignments and expansions of the service portfolio
Analysis of tenders (RfQ/RfP) for IT, testing and quality services
Development of proposal strategies and solution concepts, including cost and shoring models
Coordination with delivery units on qualified and scalable delivery models
Management of internal stakeholders (Sales, Delivery, Finance, Legal, Procurement) during proposal phases
Preparation of calculations, assumptions and risk assessments for framework agreements and large-scale projects
Project and transition management for newly acquired customer programs

Jan 2023 - Dec 2025

3 years

Ingolstadt, Germany

Test Infrastructure Management

CARIAD

Program Management & Service Strategy, Transition Management

Jan 2023 - Dec 2025

3 years

Wolfsburg, Germany

Laboratory Organization

Volkswagen

Program Management & Service Strategy, Transition Management

Jan 2023 - Dec 2024

2 years

Germany

ART After Sales Web Application Test

CARIAD

Delivery Management

Jan 2023 - Dec 2023

1 year

Germany

Test Strategy for ARTAfter Sales

CARIAD

Consulting on Test Strategy

Jan 2022 - Dec 2024

3 years

Germany

Backend API Component: VW Connected Car Functionalities for VW OEMs (Ford/VW)

CARIAD

Project- and Delivery Management

Jan 2022 - Dec 2024

3 years

Germany

Carve-Out of a Vehicle Interior Manufacturer

Sietec/Brose

Consulting on test strategy, program & delivery management

Jan 2022 - Dec 2022

1 year

ART CRM Test Strategy

CARIAD

Test strategy and initial transition management

Jan 2022 - Dec 2022

1 year

Test Strategy for Backend API Components and Systems

CARIAD

Consulting on test strategy

Jan 2022 - Dec 2022

1 year

Integration of the SAP Addon CITAX, Digital Incentive Management Process

Volkswagen

Delivery management

Jan 2022 - Dec 2022

1 year

Test Strategy for Integration of the SAP Addon CITAX, Digital Incentive Management Process

Volkswagen

Consulting on test strategy

Jan 2021 - Dec 2023

3 years

Wolfsburg, Germany

Client Engagement Manager

Expleo Technology Germany GmbH

Project and delivery management for customer programs in testing, QA and digital transformation in multi-project environments for a leading automotive manufacturer
Central point of contact for customer stakeholders, including coordination of scope, budget, roadmap and priorities
Capacity and workload management across national and international delivery teams at nearshore/offshore locations
Identification of efficiency potential to reduce costs across departments and optimize resource use in projects
Preparation and negotiation of project assignments, work packages and changes to scope
Analysis of project assignments and project environments for new projects based on framework agreements
Creation of solution concepts and test strategies
Preparation of effort-based calculations and risk assessments
Development of quality metrics and reporting on progress, quality and financial performance
Risk and escalation management focused on stabilizing projects and delivery quality
Identification of upselling and cross-selling potential within the existing customer portfolio

Jan 2020 - Dec 2025

6 years

Germany

Cross-Departmental Connected Car Services, Backend Testing for Environmental Stability & Robustness

CARIAD

Test Consulting, NFR

Jan 2020 - Dec 2025

6 years

Ingolstadt, Germany

SIM Management – Connectivity Modules

CARIAD / AUDI & VW

Project & Delivery Management — Embedded SIM for Car2X & Infotainment in combustion-engine and electric vehicles

Jan 2020 - Dec 2025

6 years

Germany

Adapter Testing for Older Connectivity ECU Generations

Volkswagen

Delivery Management

Jan 2020 - Dec 2023

4 years

REP / R-SAFE – Roadside Events Platform

CARIAD

Project & Delivery Management — Platform, application & backend testing E2E + API

Jan 2020 - Dec 2023

4 years

Service Portlet Mobile Online Services

CARIAD

Project & Delivery Management — Platform, application & backend testing E2E + API

Jan 2020 - Dec 2023

4 years

Vehicle Health Check

CARIAD

Project & Delivery Management — Platform, application & backend testing E2E + API

Jan 2020 - Dec 2022

3 years

Quality Assurance: Function on Demand, Focus: Backend Systems of the ID Vehicle Series

CARIAD

Test & Delivery Management

Jan 2020 - Dec 2021

2 years

Wolfsburg, Germany

Remote

Remote Car and Infotainment Services: Mobile Online Services, Fleet Functions

Volkswagen

Test Management

Jan 2019 - Dec 2020

2 years

Wolfsburg, Germany

Senior Test Manager / Quality Consultant

Expleo Technology Germany GmbH

Test and quality management for strategic customer projects and programs of a leading automotive manufacturer
Designing reliable test strategies based on business, system and architecture requirements
Planning and coordinating test design, test execution and defect management
Preparing quality reports and go-live recommendations for project and program management
Advising on test process improvements, tool selection and test automation strategies
Supporting the setup of test organizations, role models and coordination routines
Coaching test teams in test methods, documentation and communication with stakeholders

Jan 2019 - Dec 2019

1 year

Test Strategy for After Sales Feature: Function on Demand

CARIAD

Consulting on test strategy

Jan 2018 - Dec 2023

6 years

Wolfsburg, Germany

Remote

Remote Car and Infotainment Services, Mobile Online Services Gen 3.x, Market China (C–E Segment / Compact to

Volkswagen

Test Management, additionally Delivery Management from 2020

Jan 2018 - Dec 2020

3 years

Wolfsburg, Germany

Remote

Remote Car and Infotainment Services, Migration of Backend Functions – Proprietary Protocol to MQTT

Volkswagen

Test Management

Jan 2018 - Dec 2019

2 years

Wolfsburg, Germany

Remote

Remote Car and Infotainment Services, Migration of Backend Infrastructure – On-Premise to Cloud

Volkswagen

Test Management

Jan 2018 - Dec 2018

1 year

Wolfsburg, Germany

Volkswagen Mobile App – Integration of User Identification Service (Videoldent), Market Europe

Volkswagen

Integration and Test Manager

Jan 2017 - Dec 2020

4 years

Wolfsburg, Germany

Remote

Remote Car and Infotainment Services GEN2, Market China – Backend Functions, F-segment/luxury class

Volkswagen

Test Management

Jan 2017 - Dec 2017

1 year

Wolfsburg, Germany

Remote

Test Strategy for Load and Performance Tests of Remote Car Functions

Volkswagen

Consulting on test strategy

Jan 2016 - Feb 2019

3 years 2 months

Wolfsburg, Germany

Hybrid

Senior Test Manager / Quality Consultant

SQS AG

Test management for connected car platforms and backend service landscapes for European and Chinese models, including market-specific requirements and content from a leading automotive manufacturer
Design and implementation of a global test strategy across all target markets
Analysis of market-dependent functionality and requirements
Synergistic optimization of the test and automation strategy for market-independent functions and technologies
Coordination and planning of test activities to verify functional and non-functional requirements
Management of backend, API, frontend and integration tests in complex system scenarios
Planning and implementation of UAT, release and go-live scenarios
Development of migration test strategies for the transition from on-premise systems to cloud-hosted services and frameworks
Design of test strategies for the transition from proprietary API technologies to MQTT-based interfaces
Close coordination with international teams on the roadmap, test windows and integration points
Consulting on test process improvements, tool selection and test automation strategies

Jan 2014 - Dec 2015

2 years

Witten, Germany

Field Trial, OSB Gen 2 (Various Regional Distribution Partners, as well as Companies from the Banking, Logistics and

Unify

Project & Test Manager

Oct 2013 - Jun 2016

2 years 9 months

Witten, Germany

Head of Solution Test, SME

Unify GmbH & Co. KG (formerly Siemens Enterprise Communications)

Test management and quality responsibility for UC/Communication solutions in the small/medium enterprise environment
Design and management of ecosystem, interoperability and certification tests with partners and third-party providers
Verification of cross-solution end-to-end scenarios in complex system landscapes
Strategic planning and coordination of field trial projects for national and international customers and sales partners
Planning and coordination of migration and upgrade scenarios, including field and beta validation
Definition of test and release strategies for product launches and major releases
Enablement and training of sales and partner organizations to position the solutions

Jan 2013 - Dec 2014

2 years

Witten, Germany

Certification Test Projects (Various Certifications for CTI Applications, Premium Telephony Devices and Mobile Apps for

Unify

Test & Change Management

Jan 2011 - Dec 2013

3 years

IVM: Integrated Voice Mail Expansion Module for HiPath 3000, EoL Support

Siemens

Project & Test Manager

Jan 2010 - Dec 2013

4 years

Octopus F50 – Telephone System for Small Businesses with up to 50 Users

Siemens

Jan 2009 - Dec 2013

5 years

OpenScape Business, Gen 2 – Cloud/Virtual Server

Siemens

Jan 2008 - Dec 2013

6 years

OpenScape Business, Gen 2 – Embedded System

Siemens

Oct 2006 - Sep 2013

7 years

Witten, Germany

Project Manager / Test Manager

Siemens Enterprise Communications GmbH & Co. KG

Test management for the OpenScape Office and OpenScape Business product lines
Project management for testing and release of software expansion modules in the Small and Medium Communications Systems division
Design and execution of regression, integration, and system tests (GUI, system, HW & SW devices, CTI applications, Voice-over-IP and network components, multi-node and trunking)
Planning and coordination of release, acceptance, and rollout tests
Management of national and international test teams at multiple locations
Ensuring interoperability with third-party systems, gateways, and providers
Definition and maintenance of test and release procedures, including upgrade and migration paths
Coordination of solution teams for hot and focal account support
Responsibility for test, release, and change management in complex system landscapes

Jan 2006 - Dec 2009

4 years

OpenScape Office, Gen 1 – Embedded System

Siemens

Test & Release Manager

Jun 2003 - Oct 2005

2 years 5 months

Witten, Germany

Test Analyst / Test Manager

Siemens AG

Test management for the HiPath 3000/HG 1500 product lines
Design and execution of regression, integration, and system tests (GUI, system, HW & SW devices, CTI applications, Voice-over-IP and network components, multi-node and trunking)
Planning and coordination of release, acceptance, and rollout tests
Development and enhancement of test automation with IBM Rational Robot for communication systems
Ensuring interoperability with gateways and providers
Definition and maintenance of test and release procedures
Hot and focal account support for critical customer systems, including direct error analysis and solution development
Reproduction of error patterns in test environments, development of suitable retest scenarios, and derivation of measures to prevent problems sustainably

Jan 2003 - Dec 2007

5 years

HG1500 Gen 3: Network/IP and VoIP expansion module for HiPath 3000

Siemens

Industry experience

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

Experienced in Information Technology, Telecommunication, Automotive, Manufacturing, Professional Services, and Banking and Finance.

Information Technology

Telecommunication

Automotive

Manufacturing

Professional Services

Banking and Finance

Business area experience

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

Experienced in Information Technology, Quality Assurance, Project Management, Product Development, Sales, and Strategy.

Information Technology

Quality Assurance

Project Management

Product Development

Sales

Strategy

Summary

My name is Christian Taeschner and I am an innovation-driven test strategist and passionate software quality consultant with over 25 years of professional experience in software quality assurance. My technical expertise covers a broad range, from embedded HW & SW solutions and classic on-premise systems to mobile and desktop apps and highly complex cloud architectures.

Today, I support companies with practical consulting on test strategies and test processes, take responsibility for test management, and support teams and managers with targeted coaching and mentoring for sustainable quality development. My mission is to help companies develop digital products with the highest quality standards.

Over 25 years of test, project and program management in complex IT and digital projects
AI transformation from use-case assessment to governance in accordance with the EU AI Act and ISO/IEC 42001
Managed programs with up to 100 FTE, with national and international teams
Methodologically trained (ISTQB, IPMA, SAFe, ITIL) and applied in practice

Skills

Domain Expertise

Communications: Openscape, Pbx, Voip, Cti, Callcenter, Sip, Trunking, Network, Ldap
Automotive: Connectedcar, Infotainment, Car2x, E-Mobility, Charging Stations, Backend
Ecosystems: Cloud/Onpremise, Canoe, Vector Simulation
Platforms/Protocols: Mobile, Android, Ios, Desktop Apps, Web, Html, Sql, Css, Javascript, Rest, Accessibility, Monitoring, Mqtt, Json
Artificial Intelligence: Semantic Testing Approach, Language Models, Agentic Ai, Automation
Ai Transformation And Governance: Eu Ai Act, Iso/Iec 42001, Risk Classification, Conformity Assessment, Audit Documentation, Ai Use Cases
Ai Evaluation: Llm, Rag And Agentic Workflows, Quality Criteria And Metrics

Certified Methodological Competencies

Istqb
Scrum (Psm)
Safe (Leading Safe)
Ipma
Itil
A‑Spice
Project Management (Classic & Agile)
Risk-Based Testing

Management Competencies

Test Management
Quality Management
Program & Multi-Project Management
Client Engagement
Key Account
Transition
Ola/Sla
Change Management
Risk Management
Leadership
Coaching
Employee Development
Supplier & Stakeholder Management
Business Development
Bid Management
Delivery Management

Technical Focus Areas

Test Strategy & Architecture
E2e/Backend/Api
Ai-Driven Testing
Test Design
Requirements Management
Kpi Design & Quality Metrics
Test Automation
Non-Functional (Load/Performance, Stability)
Acceptance Criteria & Release Readiness
Integration Testing
System Testing
User Acceptance Test
Defect Management

Soft Skills

Customer Focus
Quality Awareness & Passion
Communication
Analytical Thinking & Prioritization
Negotiation Skills
Conflict Resolution
Storytelling For Decision-Makers
Resilience
Intercultural & Empathetic Team Leadership
Personal Responsibility
Results Orientation

Tools

Project Management/Kpis: Jira, Confluence, Ms Project
Test Management/Alm: Xray, Zephyr, Mf Alm, Ot Octane
Defect Management: Mrts, Kpm (Proprietary Customer Systems)
Ci/Cd & Automation: Mf Uft, Junit, Soapui, Kubernetes, Docker, Github, N8n, Selenium, Playwright
Artificial Intelligence Ecosystems: Lm Studio, Comfyui, Anythingllm
Llms: Chatgpt, Gemini, Mistral, Copilot, Claude, Llama
Graphic Models: Flux, Hidream, Nanobanana, Dalle-E
Productivity/Collaboration: Excel, Powerpoint, Word, Sharepoint, Teams, Zoom, Miro

Languages

German

Native

English

Advanced

Greek

Elementary

Spanish

Elementary

Education

Oct 2000 - Jun 2003

Siemens AG

IT Specialist for Systems Integration · Systems Integration

Key areas of responsibility:

Three-year training as an IT Specialist for Systems Integration, including the additional qualification of Specialist Consultant for Integrated Systems through the Siemens Professional Education program.
Building practical knowledge in PC/server installation, UNIX/Windows administration and LAN networks
Participation in operations, maintenance, troubleshooting and user support in production environments
Development of SQL database-driven web applications
In-depth training in the fundamentals of IT service, project management, quality assurance and commercial processes
Participation in additional modules (e.g. SAP R/3, service management, communication and business simulations)

Certifications & licenses

Specialist Consultant for Integrated Systems

IPMA

Project Management (classic & agile)

Risk Management

Statistics

Experience

Total positions 44

Experience in Information Technology 19 y

Avg length 2 y 10 m

Longest experience 6 y 11 m

Global experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles AI Enablement: Training & Coaching on Claude Code and ChatGPT Codex, Consulting in the procurement process for a test and test infrastructure tender, AI-based digital vehicle assistant

Main industries Information Technology, Telecommunication, Automotive

Main business areas Information Technology, Quality Assurance, Project Management

Qualifications

Certifications earned 9

Member since

February 2026

Last update

October 2026

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Frequently asked questions

Have questions? Find more information here.

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

Christian speaks the following languages: German (Native), English (Advanced), Greek (Elementary), Spanish (Elementary).

Christian has at least 24 years of experience. During this time, Christian has worked in at least 43 different roles and for 15 different companies. The average length of individual experience is 1 year and 6 months. Note that Christian may not have shared all experience and actually has more experience.

Based on recent experience, Christian would be well-suited for roles such as: AI Enablement: Training & Coaching on Claude Code and ChatGPT Codex, Consulting in the procurement process for a test and test infrastructure tender, AI-based digital vehicle assistant.

Christian's most recent position is AI Enablement: Training & Coaching on Claude Code and ChatGPT Codex at Yachtino.

In recent years, Christian has worked for Yachtino, Intellias, PORSCHE, Quality Consulting Taeschner (QCT), and Expleo Technology Germany GmbH.

Christian is most experienced in industries like Information Technology, Telecommunication, and Automotive. Christian also has some experience in Manufacturing, Professional Services, and Banking and Finance.

Christian is most experienced in business areas like Information Technology, Quality Assurance, and Project Management. Christian also has some experience in Product Development, Sales, and Strategy.

Christian has recently worked in industries like Automotive, Information Technology, and Manufacturing.

Christian has recently worked in business areas like Quality Assurance, Project Management, and Information Technology.

Christian attended Siemens AG for Systems Integration.

Christian has 9 certificates. Among them, these include: A-SPICE, Specialist Consultant for Integrated Systems, and IPMA.

Christian is immediately available full-time for suitable projects.

Daily rate distribution

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Average rates for similar positions

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Daily rate avg. 880 €

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Median rate 960 €

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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.