Christian Taeschner.
Innovation-driven test strategist and committed advisor for software quality with more than 25 years of professional experience across more than 30 software-quality-assurance projects. Technical breadth from embedded HW & SW, classic on-premise systems, mobile and desktop apps to highly complex cloud architectures.
My mission is to help companies build digital products with the highest demand on quality. Today I support clients with hands-on advisory on test strategies and test processes, take on test management leadership and back teams and managers with targeted coaching and mentoring for sustainable quality development.
Where I am at home.
LLMs, agentic AI, AI testing
Semantic test approach, language models (ChatGPT, Claude, Gemini, Copilot), agentic AI, AI-supported test automation, LLM evaluation and governance under the EU AI Act and ISO 42001.
Connected car, infotainment, e-mobility
Car2X, charging-station backends, cloud and on-premise ecosystems, CanOE, Vector simulation. From connectivity modules in control units to cross-vehicle test concepts.
UC, VoIP, telephony, networking
OpenScape, PBX, VoIP, CTI, call centre, SIP, trunking, network, LDAP. Long-term quality responsibility for unified-communications platforms across years of product maturity.
Mobile, web, API, data
Mobile (Android/iOS), desktop apps, web (HTML/CSS/JS), SQL, REST, MQTT, JSON, accessibility and monitoring. Cross-platform test strategies for modern architectures.
Pick a slot that fits.
Drop a few lines about what is on your plate and book a 30 or 60 minute slot right away. The Microsoft Teams link and calendar invite land in your inbox immediately.
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More than 25 years. Nine stations. One passion: QA.
Nine stations from 25 years of software quality assurance, from embedded to cloud. Click a station to open the details. The full career timeline is available in the CV PDFs further down.
Quality Consulting Taeschner, Founder
- Advisory on test strategies, quality concepts and quality-governance structures
- AI-supported test strategies, testing of AI systems, AI compliance under ISO 42001 and the EU AI Act
- Analysis and improvement of test processes, quality audits, workshops
- Training and coaching formats for quality and test managers as well as for leadership
Business Development Manager
- Business development in the quality and test environment, cumulative order volume above EUR 1 bn
- Strategic acquisition of project volume worth more than EUR 100 m with a 5-year planning horizon
- Programme and transition management for newly won client programmes
Client Engagement Manager
- Steering of client programmes in testing, QA and digital transformation in multi-project and multi-vendor environments
- Revenue growth of the client programme from EUR 1.3 m to EUR 4.5 m annual revenue in three years
- Training and development of 10 test-team members into independent test managers
Senior Test Manager / Quality Consultant
- Test and defect management with a focus on connected car, backend infrastructures and after-sales
- Design and implementation of risk-based test strategies
- Advisory on test-process improvements, tool selection and test automation
Senior Test Manager / Quality Consultant
- Test management with a focus on connected car in the focus markets Europe and China
- Build-up of global test strategies, planning and coordination of load and performance tests
- Steering of backend, API, frontend (mobile apps and web) tests including migration safeguarding
Head of Solution Test, SME
- Test management and quality responsibility for UC solutions
- Ecosystem, interoperability and certification tests with partners and third-party providers
- Planning of field trials, migration and upgrade scenarios
Project Manager / Test Manager
- Test, release and change management for OpenScape Office / OpenScape Business
- Leadership of national and international test teams, hot-/focal-account support
- Planning and execution of regression, integration and system tests
Test Analyst / Test Manager
- System and integration tests for VoIP, networking and CTI solutions (HiPath 3000 / HG1500)
- Build-up of test automation (IBM Rational Robot)
- 3rd-level defect analysis and reproduction of error patterns
Apprenticeship — IT specialist for systems integration
- Additional qualification: certified specialist for integrated systems
- Practice in system and network administration, IT service and development
Methodology, management and technology.
Industry-recognised frameworks
ISTQB, Leading SAFe, SAFe Practitioner, IPMA, ITIL, Scrum (PSM), A-SPICE, Kanban, risk-based testing, project management (classic and agile).
Testing, programme, client engagement
Test management, quality management, project, programme and multi-project management, client engagement, key account, transition, OLA/SLA, change management, risk management, leadership, coaching, supplier and stakeholder management.
Test strategy through release readiness
Test strategy and architecture, E2E/backend/API, AI-driven testing, test design, test methods, requirements management, KPI design and quality metrics, test automation, non-functional (load/performance, stability), acceptance criteria and release readiness.
Enterprise testing and modern stacks
Jira, Confluence, MS Project, Xray, Zephyr, MF ALM, OT Octane, MF UFT, JUnit, SoapUI, Selenium, Kubernetes, Docker, GitHub. AI ecosystems: LM Studio, ComfyUI, AnythingLLM. LLMs: ChatGPT (+ Codex), Gemini, Copilot, Claude (Code & Cowork).
Four real-world engagements.
Anonymised examples from our project work — from Connected Car migrations to AI test strategies.

Quality audit and test strategy for an AI vehicle assistant

Test infrastructure management for an automotive OEM

Cross-ART test strategy for four CRM release trains

Connected Car and infotainment assurance for the Chinese market
CV as PDF.
Interested in a personal conversation?
Whether a first call, a technical exchange or sparring on a concrete project situation — drop a line, we'll find a slot.
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