Beata Klaudia Wilczek - Chief Technology Officer
Experience
Chief Technology Officer
Yellow Card – Global Crypto Platform
- Built, scaled, and led a 60+ person global engineering org powering the leading African crypto trading/KYT/compliance platform
- Designed multi-region, multi-chain data infrastructure supporting >5M users, 16 African markets, and regulatory-compliant on/off ramp flows
- Delivered real-time on-chain data pipelines and KYT tooling for investigator, compliance, and reporting workflows
- Led shift from monolith to cloud-native, distributed microservice architecture (AWS, Kubernetes), improving reliability by 66% and transaction processing speed by 32%
- Optimized infrastructure costs 28% via cloud vendor reduction/negotiation and serverless/spot strategies
- Drove continuous improvement across high-signal data analytics for fraud detection and AML, reducing incident response times >50%
- Drove hiring, onboarding, coaching, and succession planning for geographically distributed engineering, product, and devops teams
Director of AI & Data Engineering
Groupon
- Led end-to-end global data product and machine learning platforms powering customer intelligence for 35M+ active users
- Head architect of high-scale Relevance API for real-time personalization; served petabyte-scale workloads with 99.99% uptime
- Responsible for global platform cost management, data compliance, and multi-cloud modernization (AWS, Azure)
- Introduced innovation sprints and OKR discipline, substantially improving time to market of machine learning features
Head of Engineering, FinTech Cloud & Data
Solarisbank AG
- Built pan-European banking-as-a-service APIs adopted by multiple fintech unicorns; managed all technical delivery, DevOps, and site reliability
- Led cross-border teams implementing KYC/AML onboarding automation and GDPR data governance
- Key executive sponsor for green cloud/ESG platform integration—reduced platform CO2 footprint by 24%
Director, Data Platforms
DNB Bank
- Drove enterprise modernization of risk and compliance analytics, automating reporting and regulator-facing data pipelines
- Responsible for major cloud migration, data security, and vendor selection/negotiation
Technology Director
First Data
Engineering Manager
IBM CEE
Industry Experience
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Experienced in Banking and Finance, Information Technology, and Retail.
Business Area Experience
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Experienced in Information Technology, Operations, Product Development, Business Intelligence, and Project Management.
Summary
Accomplished CTO/CIO with 20+ years driving global tech strategy, platform engineering, and transformation across FinTech, blockchain, compliance, and data intelligence domains. Renowned for leading petabyte-scale on-chain data and analytics platforms, advancing compliance tooling, and building diverse international engineering teams in hypergrowth, regulated and Series B+ environments.
Skills
Multi-chain Data Architecture & Analytics
Crypto/blockchain Product Engineering
Fintech Compliance (Kyt, Aml, Kyc, Transaction Monitoring)
Ai/ml & High-throughput Data Pipelines
Global Engineering Team Development & Mentorship
Regulated Markets (Emea, Africa, North America)
Series B Hypergrowth Scaling
Cloud Strategy (Aws, Azure, Gcp, Hybrid)
Investor/board Reporting & Product-market Fit Leadership
Platform Security, Reliability, Devops At Scale
Python/go, Node.js, Java, Sql
Microservices, Serverless, Data Lakehouse, Event Streaming (Kafka), Rest/grpc
Blockchain, Multi-chain (Btc, Eth, Stellar), Aws, Azure, Gcp, Docker/k8s
Airflow, Mlflow, Looker, Databricks, Openai/llms, Salesforce, Jira, Terraform
On-chain Analytics, Aml, Kyc, Kyt, Gdpr, Transaction Monitoring
Built And Scaled World-class Cloud, Blockchain, And Data Platforms In 3 Major Markets
Delivered Regulated Compliance And Ai Investigation Tooling Adapted For 20+ Countries
Track Record Of Budget Optimization And Cost Savings (>$6.5m Total) Across Global Orgs
Mentor And Builder Of Diverse, High-performing Product And Technical Leadership Teams
Languages
Education
Warsaw University of Technology
Master of Science, Computer Science · Computer Science · Warsaw, Poland
Certifications & licenses
AWS Certified Solutions Architect
Certified Data Scientist
INeS, EU
Statistics
Experience
Expertise
Qualifications
Profile
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