Interim CTO
Martin Rusnak
As an Interim CTO, I enable companies to thrive through innovation by seamlessly integrating business, technology, and IT security. Together, we prioritize growth and embrace cutting-edge solutions for a successful future.
CTO-as-a-Service provides a cost-effective alternative to hiring a full-time CTO.
Interim CTO
Empowering Your Tech Future with Strategic Solutions
Technology Strategy
Develop and align technology strategies with business objectives.
Team Leadership
Mentor and lead technical teams to drive innovation and productivity.
Agile Project Management
Oversee project lifecycles, ensuring on-time and on-budget delivery.
IT Security Audit Preparation
Prepare the organization for IT security audits and compliance (ISO 27.001 & PCI DSS)
Systems Assessment
Assess and optimize existing systems for performance and efficiency.
Technology Roadmap
Create a roadmap for future technology investments and advancements.
Martin Rusnak

With over 25 years of experience, I bring valuable software technology leadership on demand, serving as your Interim, Fractional CTO and Trusted Tech Advisor.
Through Rusnak Consulting, I help startups, scale-ups, and mid-sized companies achieve tangible outcomes: driving strategic improvements, maximizing digital transformation, and accelerating software delivery.
Empower your C-level executives with tailored solutions that lead to significant growth and success.
CUSTOMER SATISFACTION QUOTES
Customer: Tipico: Martin ist ein sehr zugänglicher Manager, der eine tolle 'Hands-On-Mentalität' hat. Er kommt sehr schnell in die Aktion und wird ebenso schnell wirksam. Martin hat auch eine Stärke im Führen von Menschen. In seiner zugewandten Art kann er begeistern. Zugleich scheut er sich nicht vor konsequentem Handeln, falls dieses erforderlich ist. Mit Martin geht es voran. Seine Haltung ist durch und durch agil und er kann agiles Liefern von der Strategie bis zur Umsetzung denken und leben.
Stefan Willida
2017-2018: Management Consultant of Tipico Technology Services GmbH
Customer: Areto Payment Processing Service: "Martin as Interim CTO provided successful implementation of PCI DSS Level 1 Compliance within 10 weeks. He created the core team from scratch, helped to setup up security concept in the cloud. Martin has great ability to adjust to new situations. Comes with a good network and perfectly manages external and internal resources."
Customer: Joyn: "I had the pleasure of working closely with Martin as he led Joyn's Partner Engineering Team. I witnessed how he led people, built the team and delivered a great new consumer product for our partners at DBahn! His dedication, professionalism and pragmatic approach made all the difference."
Customer: Temedica: I know Martin for many years but never had the opportunity to collaborate with him until I needed an interim manager. I reached out to him and he was available, which was lucky for me. He took charge of the entire software development department, which consisted of young and demanding individuals both internally and in various nearshore setups.
Michael Maretzke
2020-2022: CTO of Temedica GmbH
Customer: T-Systems MMS: Martin Rusnak hat unsere Teams bei Projekten für die digitale Transformation eines Großkunden mit Focus Cloud Architekturen maßgeblich unterstützt. Die Schwerpunkte seiner Tätigkeit in der Rolle eines Management Consultant Cloud Transformation lagen auf: Consulting im Rahmen von Transformationprojekten für Applikationen in modernen Cloudarchitekturen für Großkunden
René Jakscht
Business Unit Director Agile Operations & Cloud bei T-Systems Multimedia Solutions GmbH
Customer: Tipico: Martin ist ein sehr zugänglicher Manager, der eine tolle 'Hands-On-Mentalität' hat. Er kommt sehr schnell in die Aktion und wird ebenso schnell wirksam. Martin hat auch eine Stärke im Führen von Menschen. In seiner zugewandten Art kann er begeistern. Zugleich scheut er sich nicht vor konsequentem Handeln, falls dieses erforderlich ist. Mit Martin geht es voran. Seine Haltung ist durch und durch agil und er kann agiles Liefern von der Strategie bis zur Umsetzung denken und leben.
Stefan Willida
2017-2018: Management Consultant of Tipico Technology Services GmbH
Customer: Areto Payment Processing Service: "Martin as Interim CTO provided successful implementation of PCI DSS Level 1 Compliance within 10 weeks. He created the core team from scratch, helped to setup up security concept in the cloud. Martin has great ability to adjust to new situations. Comes with a good network and perfectly manages external and internal resources."
1/5
International leadership


​Responsible for global IT security standards incl. ISO 27.00x audit

Entrepreneurial mindset, built startup companies from scratch

​Proactive, hands-on, and solution-driven

​Proven track record in the FinTech industry

​Worked for 15+ SaaS clients