Ibrahim Karadogan
Based in United Kingdom · 25+ years experience
Summary
I am a technology executive, Google Certified AI Leader and Certified Blockchain expert, with 20+ years of experience building and scaling mission-critical technology businesses.
About
As a former CTO of Multibank Group, I led technology supporting $15.6B in daily trading volume, 1M+ customers, and 90K+ trades per day. As CTO of Extsy, I led a 50+ person engineering organization, built technology for a regulated crypto platform, delivered a $5M USDT token presale, integrated major fintech and blockchain providers, and embedded KYC/AML, transaction monitoring, security, and auditability into the platform.
Today, as Founder & CTO of AI Stack Lab, I focus on agentic AI and enterprise AI platforms for fintech and crypto, including customer profiling, risk management, automated execution, real-time decisioning, and high-throughput AI architectures. I have architected solutions using Azure Foundry, OpenAI, Google Gemini Enterprise, and AWS SageMaker, with measurable improvements in automation and decision latency.
As a fractional CTO, I help founders, CEOs, boards, and investors turn technology into a scalable business capability. My focus includes technology strategy, AI adoption, architecture, engineering leadership, organizational scaling, security and compliance, vendor selection, product delivery, and technology due diligence.
Skills
Software Architecture, Cloud & Infrastructure, M&A / Due Diligence, Platform Modernisation, Cybersecurity, Engineering Leadership, Vendor Management, DevOps, Governance & Risk, Data & AI
Regions covered
Singapore, Israel, France, New Zealand, United Kingdom, Brazil, Asia-Pacific, United Arab Emirates, South Africa, Australia, Netherlands, United States, Europe, North America, Africa, South America, Japan, Middle East, Ireland, India, Germany, Canada
Industry experience
Fintech, Professional Services, SaaS, Education
At a glance
Ibrahim brings hands-on experience across Software Architecture, Cloud & Infrastructure, M&A / Due Diligence, Platform Modernisation, Cybersecurity, Engineering Leadership and 4 other areas. Available for engagements across Singapore, Israel, France, New Zealand, United Kingdom, Brazil, Asia-Pacific, United Arab Emirates, South Africa, Australia, Netherlands, United States, Europe, North America, Africa, South America, Japan, Middle East, Ireland, India, Germany, Canada. Industry experience includes Fintech, Professional Services, SaaS, Education.
How fractional CTO engagements with Ibrahim work
Ibrahim works on a fractional basis — typically one to three days a week for an agreed engagement length — so you get senior technical leadership without the cost or commitment of a full-time hire. Engagements commonly include technical due diligence, board reporting, engineering team leadership, technology strategy, architecture reviews, hiring support, and stepping in as interim CTO during a transition.