Stanislav S.

Interim CTO / IT Consultant (Cloud & App Security · AI & Web3)

Cologne, Germany

Experience

Jul 2021 - Present
4 years 3 months

Interim CTO / IT Consultant (Cloud & App Security · AI & Web3)

Deutsche Bank Group; Startups

  • Spearheading the strategic and operational oversight of IT infrastructures to accelerate innovation and ensure audit-proof delivery.
  • Acting as the key liaison between management, business departments, and engineering while actively engaging in coding, cloud architecture, and CI/CD to resolve critical path challenges.
  • Engineered and implemented an AI Governance Program to manage risks and ensure compliance with the EU AI Act, reducing AI use-case approval times from 8 to 3 weeks.
  • Delivered and deployed secure AI systems into production (RAG-based knowledge platforms), resulting in a 35% decrease in standard support ticket volume.
  • Established robust security standards and governance frameworks for APIs (OAuth2/OIDC, mTLS) and cloud platforms (AWS/GCP) to guarantee compliance and system integrity.
  • Hardened cloud infrastructure by implementing Zero Trust principles and a comprehensive observability stack (logging/alerting), achieving 99.9% availability in a 24/7 on-call environment.
Oct 2019 - Jul 2021
1 year 10 months

Project & Governance Consultant (regulated environment)

ERGO Gruppe

  • Established enterprise-wide governance structures within the insurance sector to enhance project transparency and streamline the transition from requirements to implementation.
  • Professionalized project reporting and established steering committees, which increased on-time delivery rates to over 85%.
  • Optimized requirements management by introducing a prioritized backlog, shortening the lead time from analysis to implementation by 30% (from 6 to 4 weeks).
  • Strengthened compliance documentation in accordance with GDPR/ISO standards, halving the average number of audit findings per audit from 8 to 4.
  • Implemented an end-to-end vulnerability management process, from identification to remediation, complete with tooling and KPI-based reporting.
Nov 2015 - Oct 2019
4 years
Bonn, Germany

Project & Security Consultant

Deutsche Postbank Gruppe

  • Enhanced the stability and velocity of IT services in data center and application environments through targeted automation and the implementation of resilient governance processes.
  • Automated standard changes and orchestrated infrastructure services using GitHub Actions and Jenkins, reducing provisioning times by 45% (from 5 to 3 days).
  • Improved data quality within the ITSM/CMDB, leading to a 35% reduction in incidents caused by inaccurate CMDB data.
  • Optimized vendor and financial management through rigorous cost-performance analysis and benchmarking, achieving annual savings of over €180,000.
  • Established a comprehensive SAP security governance framework, including risk analysis and the creation of audit-proof documentation.

Summary

An accomplished Technology Leader with over 10 years of expertise in architecting enterprise-scale systems, driving cloud transformations, and managing mission-critical infrastructures. I design and implement scalable solutions, from microservices and AI platforms to comprehensive Zero Trust frameworks. Leveraging hands-on experience in Python/Node.js, AWS/GCP, and Kubernetes, I lead teams of 20+ engineers through complex digital transformations while ensuring strict regulatory compliance (GDPR, ISO 27001). My focus is on delivering measurable business impact, including a 45% acceleration in deployment times, a 35% reduction in operational costs, and achieving 99.9% system availability.

Languages

German
Native
English
Advanced
Russian
Advanced
Ukrainian
Advanced

Education

Jan 2008 - Dec 2014

University of Bonn

Master · Physics · Bonn, Germany

Certifications & licenses

COBIT® 5

APMG

ISO/IEC 27001

APMG

ITIL Expert

ITIL® 2011 Expert

MALC

Scrum Certified

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