Service-Oriented Architecture Experts in Berlin

Freelance product owner, scrum master and agile coach in various projects spanning from local agencies to multinational corporations in diverse industries.

Last projects:

Adevinta: Technical Project Manager responsible for coordination of several sub-workstreams building the world’s largest classifieds multi-tenant platform.

Aroundhome (a ProSiebenSat.1 company): Product Manager implementing and verifying on the business side a concept for digital qualification of user requests for matching service providers.

Peek & Cloppenburg Düsseldorf: Product Manager Mobile advising on and guiding the rebuild of Android and iOS apps.

Visual Meta GmbH (an Axel Springer company), Berlin: Director Product co-leading the Product & Engineering department together with the Director Engineering.

Responsibilities at Visual Meta GmbH:

Define and deliver a 3–5 year horizon product strategy including a product vision & mission connecting to existing company strategy and strategies from adjacent departments.

Refine an existing OKR process together with OKR master and directors of other departments to increase focus and outcome.

Support the Director Engineering in creating a platform transformation strategy to transform a monolithic on-premise tech stack into a service-oriented, cloud-based architecture and establish a domain-based organizational setup.

Accountability for a motivated and talented team of 5 head-level colleagues and 17 operational team members from product management, data and UX/UI design.

Key achievements at Visual Meta GmbH:

Defined and delivered a 3–5 year horizon product strategy including a product vision & mission.

Increased focus within OKR process by moving from 10 company-level objectives to 2 and from several hundred team-level key results to a few dozen.

Created a career path framework for the product team defining roles and responsibilities from junior to head level positions.

Operational management of the company: building teams and infrastructure, developing products, analysis and implementation of IT security measures

Project assignments in the IT security environment focusing on establishing blue teaming activities (defensive processes and technologies) to defend against cyber attacks

Conducting red teaming processes, including penetration tests and security analyses for companies

Consulting on setting up Security Operation Centers and implementing SIEM systems, and building Computer Incident Response Teams (CSIRT)

Auditor for ISO 9001 and ISO 27001, § 8a, ISO 27019, § 11 1a EnWG, TISAX

Advising companies in critical infrastructures on information security and compliance with the IT Security Act

Building SIEM/SOC processes and SOC analyst work (Splunk, ELK-Stack)

Integrating data into monitoring tools (Prometheus, Grafana)

Consulting on BSI IT baseline protection, ISO 9001, ISO 27001, BCM, ITIL and risk management

Security assessments and penetration testing of IT and network architectures

Contributed to the development of a UPI simulation system, ensuring alignment with NPCI standards from UAT to production, and achieving a 98% success rate with improved API workflow clarity.

Built a data-driven certification process that increased scenario coverage by 40% and cut certification time to 1 week.

Executed 100+ transaction scenarios for switch testing using a real-time sample bank, achieving 85% accuracy in critical flows and supporting on-time certification for banks.

integrated Spring Boot microservices with RabbitMQ to automate certification workflows, reducing manual efforts by 40%.

Supported the rollout of a global UPI simulation tool used by 20+ international partners to explore real-time remittance APIs and process flows efficiently.

Streamlined certification workflows, reducing integration time by 50% and enabling full API understanding within a week.

Engineered a real-time international remittance simulator and testing framework facilitating API/application flow comprehension for partners like Lyra and TerraPay; cut partner integration time by 40%.

Developed RESTful APIs using Spring Boot and Kafka to simulate high-volume remittance traffic for partner certification.

Collaborated with international partners to optimize API performance, identifying and resolving latency issues, resulting in a 25% reduction in response times during partner integrations.