
All The Info
Hi, I'm Martin Ladecký.
I am a Technical Leader, Architect, and International Speaker with over 15 years of experience solving high-stakes engineering problems in the banking and fintech sector. My career spans the full software engineering lifecycle—from hands-on Java development and team leadership to crisis management and large-scale cloud modernisation.
Currently, I serve as a Technical Leader at Commerzbank, where I step into critical systems, untangle complex architectural bottlenecks, and steer mission-critical recovery efforts.
International Speaking & Community
I frequently speak at premier European software engineering conferences, delivering deep dives on large-scale failures, AI-era engineering practices, and defensive security:
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Devoxx Belgium – 10 Billion Records vs. The Regulator: An Architectural Post-Mortem of an 11TB Exadata Failure
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Spring I/O Barcelona – The Complete Guide to Secret Hygiene for Java and Cloud-Native Engineers
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JCON Slovenia & Make IT – Beyond the Prompt: Hiring Senior Engineers in the AI Surge
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JCON Slovenia & Make IT – The Bank Crash Chronicles: Why Our 11TB Oracle Exadata Architecture Failed
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GeeCON Kraków – 10 Billion Records vs. The Regulator: An Architectural Post-Mortem
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KCD Czech & Slovak – Cloud-native architecture & civic tech case studies
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Czech Java User Group (CZJUG) – Dedicated community organiser and host
Tech Leadership & Crisis Architecture
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High-Scale Data & Cloud Modernisation: Specialising in complex database turnarounds (Oracle Exadata, Cloud PostgreSQL), migration strategies without downtime, and performance stabilisation under strict regulatory compliance (e.g., BaFin).
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Engineering Culture & Mentorship: Experienced in transforming engineering workflows, guiding tech leads through crisis decision-making, and modernising interview loops for the generative AI era.
Engineering for Good (Civic Tech & Non-Profit)
Technology should serve a greater purpose. As an active volunteer and tech lead via Česko.digital, I help non-profit organisations build resilient, enterprise-grade platforms on lean budgets:
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Loono (Preventivka): Scaled preventive healthcare architecture to 70k+ active users across Flutter, AWS, and automated CI/CD.
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Civic Projects: Contributed technical leadership to public-impact platforms including Volební kalkulačka and Kogito.
Get in Touch
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Blog / Writing: ladecky.com
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LinkedIn: linkedin.com/in/martin-ladecký-9366ba5