Martin R.-Fractional CTO/CISO | Tech Due Diligence & Security | Trusted Advisor
Check rate
Experience
TECH DUE DILIGENCE FOR PE, VC & FAMILY OFFICES (UNDER NDA) – AI STRATEGY
PE-, VC- & Family-Office-Portfoliounternehmen (vertraulich, unter NDA)
Two parallel workstreams: (1) Tech Due Diligence for acquisitions and portfolio companies. (2) AI strategy certification and AI governance consulting.
- Tech assessments for PE/VC acquisitions: code reviews, architecture analysis, scalability assessment
- Tech assessment frameworks and integration roadmaps for portfolio companies
- TÜV SÜD certification program: AI governance, EU Artificial Intelligence Act (EU AI Act)
- Strategic AI roadmap development for mid-sized companies
Results:
- Delivered several tech DD reports for investment decisions
- Developed integration roadmaps for portfolio companies
- TÜV SÜD “AI Strategy & Application Expert” (expected 31.12.2026)
Interim CTO
Berge & Meer Touristik GmbH
ERP migration (Microsoft Business Central) as the central transformation project – planning, managing and implementing the project to harmonize processes and system landscapes.
Detailed IT cost analysis followed by the development of a sustainable action plan to reduce Run, Grow and Transform costs.
Built a scalable IT organization with clear structures and targeted recruitment of key roles to ensure long-term stability.
AI and IT strategy development – together with the team, developed an AI-first strategy (3-year plan) as well as an aligned IT and data strategy to promote digitalization and innovation.
Successfully reorganized the IT setup and sustainably stabilized key processes.
Positioned the Data & BI area for the future – further developed the BI team, designed a modern DWH architecture (MS Fabric, AI) together with the team and defined the data strategy for the rebuild.
Clearly advanced digital transformation – successfully established two strategic projects across the organization.
Tech Advisor & CTO Mentor
Quantrefy GmbH
- Mentoring the internal CTO and advising on efficient team building, system architecture transformation and IT security to enable scalable growth.
- Supporting the tech leadership team in recruiting key roles and aligning team structures and processes to shorten time-to-market and support strategic product development.
Interim CTO
movingimage EVP GmbH
Ensuring a stable, compliant and secure video platform (AWS) with high reliability and performance.
Stabilizing the engineering team and introducing agile ways of working to promote best practices and efficient product development.
Introducing and implementing the OKR framework to align company-wide goals, promote team satisfaction and support company growth.
Leading the technology and innovation strategy in close alignment with business goals – building a product-focused organization with a clear customer focus.
Built a high-performing tech leadership team: Established strong leadership roles in Product, Infrastructure & Security and Engineering to ensure long-term stability and strategic alignment.
Successfully completed five IT security recertifications (ISO 27001, TISAX): Demonstrated robust compliance processes and strengthened movingimage’s position as a reliable, audit-ready SaaS provider.
Management Consultant / Program Manager for PCI DSS Audit
Rubean AG
Conducted a comprehensive gap analysis in preparation for the PCI DSS 4.0 audit.
Created a detailed project plan, ensured C-level alignment and obtained budget approval.
Overall responsibility for the program, including developing IT security policies and implementing new processes.
Regular coordination with the PCI auditor and continuous support for the organization throughout the audit process.
Successful PCI DSS 4.0 audit: Achieved successful certification under the new PCI DSS 4.0 standards.
Interim CTO
Smartify IT Solutions GmbH
Delivery of a comprehensive operating concept (18 modules in total).
Accelerated delivery in a high-performance Kubernetes and DevOps environment.
Ensured the data integrity of highly sensitive patient data.
Transformation into a reliable, fast, and easy-to-maintain AWS environment.
Reduced software development times by 100%.
Significantly reduced error rates through the intelligent use of cloud services.
Interim CTO / C-Level Sparring
Onventis GmbH
- Led the technology department with 60+ employees (SD, IT, SRE, Security, Architecture).
- Product and technology due diligence for strategic investors.
- Improved performance and stability of the Onventis Buyer platform.
- Multi-cloud strategy (private cloud, MS Azure, AWS).
- Introduced agile portfolio and program management.
- Transitioned from a monolithic architecture to a cloud-native model (Azure).
- Introduced OKRs across the entire organization.
Interim Director of Technology
Temedica GmbH
Expanded and led the software development teams.
Led the infrastructure team.
Developed the technical strategy roadmap for new products.
Developed high-performance squads.
Provided impetus for recruitment.
Doubled the development teams within 4 months.
Stabilized team structures.
Improved team spirit by optimizing communication across all levels.
Supported the highly complex ISO 13485 (SaMD) audit certification.
Fractional CTO - FinTech
Areto Payment Processing
Built the core team.
Defined the roadmap and process structure.
Defined communication channels and reporting.
Platform architecture and security concept (Azure Cloud).
Prepared and conducted the PCI DSS Level 1 certification.
Completed PCI DSS Level 1 compliance from scratch to certification within 10 weeks.
Integrated the first customers.
Increased performance by approx. 30% after go-live (Azure).
Management Consultant – Cloud Transformation
T-Systems Multimedia Solutions
Consulting as part of transformation projects for applications in modern cloud architectures for enterprise customers.
Transition to highly automated IT operations based on Microsoft Azure.
Refactoring and redevelopment of applications.
Established nearshore locations in Hungary and Slovakia.
Optimized the managed Azure platform.
Increased sales performance in the services area by approx. 20% for key MMS customers (Logistics).
Consolidated the financial and contractual framework.
Stabilized the overall budget (Forecast BI, Dashboard).
Increased employee motivation by breaking down silo thinking.
Went live with the nearshore location in Hungary within 8 weeks.
Interim Director of Engineering – Partnerships
Joyn GmbH
Technology vision, strategy, and architecture guidance for international squads in a fast-paced startup environment (AWS, React, Kafka, Kubernetes, GitLab).
Innovative product development: VOD streaming from scratch – architecture and successful market launch.
Team building and hiring top talent.
Agile transformation into a world-class engineering company.
Building international high-performance teams (local and nearshore).
Joyn Selection from concept to go-live in just 10 months.
Technical Advisor
HAWK:AI
Technical advisor for HAWK:AI, a Munich-based startup with an AI-powered platform for detecting money laundering.
- Conducted a market analysis of the competitive landscape
- Prepared for ISO-27001 and IT security certification
- Provided technical mentorship to the tech team and brought in experience from 12 years in payments at Wirecard
Director of Engineering / Tribe Lead
Tipico Technology Services GmbH
Reporting to the Global CTO, with P&L responsibility of up to 8 Mio. €, teams at 4 locations.
- Scaled engineering from 30 to 100+ employees and reorganized it by business domains (tribes)
- Implemented the agile/lean transformation of the IT organization with SAFe
- Migrated the monolithic Java platform toward microservices and moved the data center to the AWS Cloud
- Realigned global IT security and successfully completed the ISO-27001 audit
- Responsible for the technical roadmap for the mobile app, retail products, and online casino
Results:
- Established the Tipico mobile app as the best sports betting app in Germany (App Store)
- Achieved the highest stability in retail in 2018, improving ticket delivery times by 120 % during Bundesliga peaks
- Reduced time-to-market by 100 %
Fractional CTO
CommerceGate
Fractional CTO for CommerceGate, a payment gateway provider with its own risk management platform in Barcelona.
- Re-architected the platform and led the relaunch
- Structured and introduced agile processes
- Recruited key roles and developed the team
- Brought in payment and risk management experience from 12 years at Wirecard
Managing Director / General Manager / Member of the Board
AXIS DATA, S.L.U.
IT full-service provider of the MTS/OTS Group, the largest privately owned incoming network (12 countries, 60 destinations, 1.200 employees).
- Managed 65 employees across distributed locations
- Responsible for global IT infrastructure: 2 data centers, 60 destinations, CRM, network, and IT security
- Managed the IT roadmap, rollout, and program management
- Optimized processes and efficiency with Scrum, ITIL, and DevOps
Results:
- Rebuilt the IT service organization and increased availability to 99,99 %
- Standardized and centralized IT infrastructure across 12 countries and 60 destinations
- Introduced agile software processes and improved time-to-market by 100 %
Vice President Financial Institutions
WIRECARD AG
12 years from Software Developer to Vice President:
- 11/2011 – 10/2012 Vice President Financial Institutions: Built the “White Label Solutions for Financial Institutions” business, with global product and sales responsibility, P&L of up to 2.5 Mio. €, and won international banking clients in India, Panama, and Russia
- 01/2010 – 10/2011 Vice President Shared Services: Managed the subsidiary Procard Services (Dubai), implemented its restructuring and integration, oversaw the international payment platform and several global data centers, and built the team to 50 employees
- 04/2005 – 12/2009 Director Software Development: Managed 40 employees (on-site and nearshore), with an annual budget of 3 Mio. €, redeveloped the payment platform on time and within budget, established Risk Management, and reduced time-to-market by 150 %
- 07/2000 – 03/2005 Software Developer, Architect, Senior Software Architect and Senior Project Manager
Senior Software Developer
Nemetschek AG
Nemetschek AG, one of the world's leading software providers for architects, engineers, and the construction industry (market capitalization 307 Mio. €, 1,100 employees).
- Took on technical project management
- Managed 3 software developers
- Analyzed, designed, and implemented facility applications
- Developed installation routines
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Banking and Finance, Tourism, Sport, Media and Entertainment, and Construction.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Project Management, Sales, Human Resources, and Business Intelligence.
Summary
Interim & Fractional CTO / CIO | Trusted Advisor for SaaS and PE portfolio companies
Development of cloud strategies and transformations (AWS, Azure)
Technology & Tech Due Diligence in various settings
Motivator and mentor for international teams
Entrepreneurial mindset and approach
Proactive, hands-on, solution-oriented
Many years of experience with PCI DSS and ISO 27.00x audits
Mentoring high-performing eHealth, streaming and FinTech start-ups
Technological transformation: Leading large-scale programs, including ERP migration (Microsoft Business Central), development of AI and IT strategies, and cloud modernization (AWS, Azure).
Organizational leadership: Responsibility for technology organizations with up to 100 employees and full P&L responsibility (€8 million) – ensuring stability, scalability and excellent delivery performance.
Modernization of Data & BI: Design and implementation of a modern DWH architecture (MS Fabric, AI) and development of a data strategy to support data-driven decision-making.
Security & compliance: Successfully completed several PCI DSS and ISO 27001 certifications, ensuring the highest security standards and strengthening the trust of investors and customers.
SaaS & Private Equity expertise: Trusted Advisor for SaaS and private equity-led companies, focusing on aligning technology and business strategy, increasing efficiency and accelerating growth.
Skills
- Tech Due Diligence (Pe, Vc, Family Offices)
- It Post-Merger Integration & Carve-Out
- 100-Day Plans Based On Dd Findings
- It Strategy, Ai Strategy & Ai Governance (Eu Ai Act)
- Information Security: Iso 27001, Tisax, Pci Dss Level 1 / 4.0
- Compliance: Nis2, Dora
- Cloud Strategy & Migration (Aws, Azure)
- Microservices Architecture & Platform Modernization
- Erp Migration (Microsoft Dynamics 365 Business Central)
- Data & Bi: Dwh Architecture, Microsoft Fabric
- M365, Identity & Data Center Migration
- It Cost Analysis & Budget Responsibility (P&L Up To €8 Million)
- Building And Scaling Engineering Organizations (Up To 200 Employees)
- Agile Transformation: Safe, Scrum, Kanban
- Devops / Sre, Itil
- Nearshore Setup & Vendor Management
- Payments & Fintech
- Board And Investor Reporting
Languages
Education
Konstantin-Philosoph-Universität in Nitra
Magister · Computer Science and Physics · Nitra, Slovakia
Certifications & licenses
PCI DSS 4.0
PCI DSS Level 1
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Martin is based in Poing, Germany and can operate in on-site, hybrid, and remote work models.
Martin speaks the following languages: Slovak (Native), German (Advanced), English (Advanced).
Martin has at least 27 years of experience. During this time, Martin has worked in at least 15 different roles and for 17 different companies. The average length of individual experience is 2 years and 7 months. Note that Martin may not have shared all experience and actually has more experience.
Based on recent experience, Martin would be well-suited for roles such as: TECH DUE DILIGENCE FOR PE, VC & FAMILY OFFICES (UNDER NDA) – AI STRATEGY, Interim CTO, Tech Advisor & CTO Mentor.
Martin's most recent position is TECH DUE DILIGENCE FOR PE, VC & FAMILY OFFICES (UNDER NDA) – AI STRATEGY at PE-, VC- & Family-Office-Portfoliounternehmen (vertraulich, unter NDA).
In recent years, Martin has worked for PE-, VC- & Family-Office-Portfoliounternehmen (vertraulich, unter NDA), Berge & Meer Touristik GmbH, Quantrefy GmbH, movingimage EVP GmbH, and Rubean AG.
Martin is most experienced in industries like Information Technology, Banking and Finance, and Sport. Martin also has some experience in Tourism, Media and Entertainment, and Construction.
Martin is most experienced in business areas like Information Technology, Product Development, and Project Management. Martin also has some experience in Sales, Human Resources, and Business Intelligence.
Martin has recently worked in industries like Information Technology, Banking and Finance, and Tourism.
Martin has recently worked in business areas like Information Technology, Project Management, and Product Development.
Martin holds a Master in Computer Science and Physics from Konstantin-Philosoph-Universität in Nitra.
Martin has 5 certificates. Among them, these include: PCI DSS 4.0, PCI DSS Level 1, and ITIL V3 Foundation - Zertifizierung.
Martin will be available full-time from November 2026.
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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.
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