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Beata Klaudia Wilczek - Chief Technology Officer

Beata Klaudia Wilczek
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Warsaw, Poland

Experience

Jan 2021 - Dec 2025
5 years

Chief Technology Officer

Yellow Card – Global Crypto Platform

Expertise details
Position Summary
Chief Technology Officer at Yellow Card – Global Crypto Platform
Industries
Banking and Finance
Information Technology
Business Areas
Information Technology
Operations
Product Development
  • 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
Jan 2017 - Dec 2021
5 years

Director of AI & Data Engineering

Groupon

Expertise details
Position Summary
Director of AI & Data Engineering at Groupon
Industries
Retail
Business Areas
Business Intelligence
Information Technology
Product Development
  • 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
Jan 2014 - Dec 2017
4 years

Head of Engineering, FinTech Cloud & Data

Solarisbank AG

Expertise details
Position Summary
Head of Engineering, FinTech Cloud & Data at Solarisbank AG
Industries
Banking and Finance
Business Areas
Information Technology
Operations
Project Management
  • 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%
Jan 2011 - Dec 2014
4 years

Director, Data Platforms

DNB Bank

Expertise details
Position Summary
Director, Data Platforms at DNB Bank
Industries
Banking and Finance
Business Areas
Business Intelligence
Information Technology
  • 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
Jan 2003 - Dec 2011
9 years

Technology Director

First Data

Expertise details
Position Summary
Technology Director at First Data
Industries
Banking and Finance
Business Areas
Information Technology
Jan 2003 - Dec 2011
9 years

Engineering Manager

IBM CEE

Expertise details
Position Summary
Engineering Manager at IBM CEE
Industries
Information Technology
Business Areas
Information Technology

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Banking and Finance, Information Technology, and Retail.

Banking and Finance
Information Technology
Retail
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Operations, Product Development, Business Intelligence, and Project Management.

Information Technology
Operations
Product Development
Business Intelligence
Project Management
Profile match chart

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

Polish
Native
English
Advanced
German
Elementary

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

Total positions 6
Experience in Banking and Finance 20 y
Avg length 5 y 11 m
Longest experience 8 y 11 m

Expertise

Recent roles Chief Technology Officer, Director of AI & Data Engineering, Head of Engineering, FinTech Cloud & Data
Main industries Banking and Finance, Information Technology, Retail
Main business areas Information Technology, Operations, Product Development

Qualifications

Highest degree Master
Certifications earned 2

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Beata Klaudia based?

Beata Klaudia is based in Warsaw, Poland.

What languages does Beata Klaudia speak?

Beata Klaudia speaks the following languages: Polish (Native), English (Advanced), German (Elementary).

How many years of experience does Beata Klaudia have?

Beata Klaudia has at least 23 years of experience. During this time, Beata Klaudia has worked in at least 6 different roles and for 6 different companies. The average length of individual experience is 4 years and 10 months. Note that Beata Klaudia may not have shared all experience and actually has more experience.

What roles would Beata Klaudia be best suited for?

Based on recent experience, Beata Klaudia would be well-suited for roles such as: Chief Technology Officer, Director of AI & Data Engineering, Head of Engineering, FinTech Cloud & Data.

What is Beata Klaudia's latest experience?

Beata Klaudia's most recent position is Chief Technology Officer at Yellow Card – Global Crypto Platform.

What companies has Beata Klaudia worked for in recent years?

In recent years, Beata Klaudia has worked for Yellow Card – Global Crypto Platform and Groupon.

Which industries is Beata Klaudia most experienced in?

Beata Klaudia is most experienced in industries like Banking and Finance, Information Technology, and Retail.

Which business areas is Beata Klaudia most experienced in?

Beata Klaudia is most experienced in business areas like Information Technology, Product Development, and Operations. Beata Klaudia also has some experience in Business Intelligence and Project Management.

Which industries has Beata Klaudia worked in recently?

Beata Klaudia has recently worked in industries like Banking and Finance, Information Technology, and Retail.

Which business areas has Beata Klaudia worked in recently?

Beata Klaudia has recently worked in business areas like Information Technology, Product Development, and Operations.

What is Beata Klaudia's education?

Beata Klaudia holds a Master in Computer Science from Warsaw University of Technology.

Does Beata Klaudia have any certificates?

Beata Klaudia has 2 certificates. These include: AWS Certified Solutions Architect and Certified Data Scientist.

What is the availability of Beata Klaudia?

Beata Klaudia will be available full-time from April 2026.

What is the rate of Beata Klaudia?

Beata Klaudia's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Beata Klaudia?

To hire Beata Klaudia, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

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Market avg: 592-752 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

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