Recommended expert
Kay (Dr. Rer. Nat. (math.)) Moritzen
Head of Risk Modeling & Cloud Infrastructure
Experience
May 2025 - Present
11 monthsNGO, German Party
Position Summary
Industries
Information Technology
Government and Administration
Business Areas
Information Technology
Operations
Product Development
- Built advanced expertise in designing and deploying Model Context Protocol (MCP) infrastructures to enhance AI agent capabilities for an NGO.
- Developed and maintained MCP servers (e.g., using FastMCP) exposing external tools and data sources to LLMs via a standardized API (JSOB).
- Enabled seamless tool integration by adhering to an MCP client-server architecture, allowing AI hosts or agents to dynamically discover and invoke tools, access resources, and leverage custom prompts (file storage, SQL DBs, Weaviate, Chroma).
- Automated deployment (CI/CD) in AWS with infrastructure as code (CDK) and Jenkins (scheduler).
- Conducted comparative model evaluation to address German language needs (Hugging Face versus Anthropic, Cohere, others) and AWS Bedrock.
- Evaluated legal and regulatory considerations, ensuring MCP-based solutions complied with emerging EU AI Act requirements, such as risk classification, transparency, documentation, and responsible tool provisioning within the European context.
Feb 2025 - Jun 2025
5 monthsInsurance
Position Summary
Industries
Insurance
Business Areas
Business Intelligence
Finance
Information Technology
- Performed business analysis, actuarial support, and technical leadership for decommissioning a major health insurer’s COBOL-based legacy system in regulatory reporting.
- Led cross-functional DevOps teams to analyze, document, and optimize actuarial processes and data flows, ensuring a seamless migration to modern platforms.
- Focused on validating actuarial calculations, regulatory compliance, and data integrity throughout the transition.
- Delivered actionable insights and recommendations to enhance reporting accuracy and operational efficiency.
- Supported the customization and implementation of new reporting solutions.
Jun 2024 - Oct 2024
5 monthsAudit, Bank
Position Summary
Industries
Banking and Finance
Business Areas
Audit
- Conducted a comprehensive internal audit of a major bank’s risk management systems in line with MaRisk requirements.
- Led a cross-functional team to assess and evaluate internal controls, reporting structures, and risk mitigation strategies, focusing on quantitative modeling of credit risk (PDs, LGDs, migrations).
- Provided actionable recommendations to enhance regulatory compliance and optimize risk management processes.
- Analyzed and customized CreditMetrics in msg ThinC! (now msg ORRP).
Aug 2023 - Feb 2025
1 year 7 monthsHead of Risk Modeling & Cloud Infrastructure
System Provider
Position Summary
Head of Risk Modeling & Cloud Infrastructure at System Provider
Industries
Information Technology
Business Areas
Business Intelligence
Information Technology
- Led a DevOps team in developing a pricing tool that incorporated risk modeling requirements and engineered cloud infrastructure using Azure, Bicep, and Pipelines.
- Implemented advanced AI-driven strategies to enhance predictive analytics and optimize resource allocation through MLOps.
- Designed and deployed scalable cloud solutions, resulting in improved operational efficiency and data-driven decision-making capabilities.
- Developed an agent-based LLM system using Azure, Python, and LangChain, connecting AI to SQL databases and file systems (agentic LLMs, ReAct approach).
- Created a Streamlit app for user interaction, leveraging LangChain’s framework to enable the LLM to access and manipulate data from multiple sources.
Sep 2021 - May 2024
2 years 9 monthsAWS Cloud Specialist & Lead Data Scientist
Energy Provider
Position Summary
AWS Cloud Specialist & Lead Data Scientist at Energy Provider
Industries
Energy
Business Areas
Business Intelligence
Information Technology
Project Management
- Managed project management, data engineering, and advanced analytics including predictive modeling and machine learning with AWS SageMaker.
- Provided technical leadership for DevOps initiatives focused on electricity price forecasting, including PFC-curve modeling, risk modeling, and integration with the market master data register.
- Managed cloud infrastructure using infrastructure as code (CDK, CloudFormation, Terraform).
- Designed and implemented robust code and data pipelines for both batch and real-time processing.
- Oversaw system administration and maintenance of AWS environments (ECS, EC2, S3, RDS, Lambda, and others).
- Developed and executed cloud migration strategies and containerization solutions with Docker, incorporating CI/CD pipelines for streamlined deployment and operations.
Jun 2021 - Oct 2021
5 monthsAudit, Bank
Position Summary
Industries
Banking and Finance
Business Areas
Audit
- Conducted an internal audit reviewing Basel III, CRR/CRD IV, and MaRisk requirements.
Feb 2021 - Apr 2021
3 monthsFinancial Services, Bank
Position Summary
Industries
Banking and Finance
Business Areas
Information Technology
- Ported an Interest Rate Curves database from SQL to C++ using QuantLib.
- Performed validation and tests, feasibility studies, and prototyping in Python with an ORM.
- Utilized build tools: CMake and GNU Autotools; IDEs: CLion and MS Visual Studio 2010/2019.
Jun 2020 - Aug 2020
3 monthsFinance, Bank
Position Summary
Industries
Banking and Finance
Business Areas
Business Intelligence
Finance
Information Technology
- Developed a compiler for the validation syntax of the EBA Datapoint Model.
- Performed validation and aggregation of XBRL reporting (FINREP, COREP, Funding Plan) by automatically generating functional dependencies in Excel/VBA.
- Implemented solutions in Python, Jupyter, SQLite, and Oracle DB.
- Conceived the overall IT solution and provided training in statistical analysis and machine learning with Python.
Jan 2020 - Apr 2020
4 monthsPricing, Insurance
Position Summary
Industries
Insurance
Business Areas
Information Technology
Product Development
- Created a pricing tool for individual insurance policies.
- Implemented machine learning approaches for estimating frequency and severity ratios (product risk) using AWS SageMaker, Python, and R.
Jul 2019 - Aug 2019
2 monthsTreasury, Bank
Position Summary
Industries
Banking and Finance
Business Areas
Business Intelligence
Information Technology
- Created an ETL system (FINARIS/RapidRep) for automatic reconciliation of swap clearing transactions and minimum reserve requirements.
- Implemented SAP ABAP web services.
Jun 2019 - Oct 2019
5 monthsAudit, Bank
Position Summary
Industries
Banking and Finance
Business Areas
Audit
Finance
- Implemented an internal audit reviewing Basel III, CRR/CRD IV, and MaRisk requirements regarding credit and market price risks.
- Conducted quantitative analysis of internal models, processes, and data.
Apr 2019 - Jun 2019
3 monthsFinance, Bank
Position Summary
Industries
Banking and Finance
Business Areas
Accounting
Finance
- Participated in the Sensitivity Analysis of Liquidity Risk Stress Test 2019 for the ECB.
- Designed and produced a fully automated ECB report using RapidRep, PowerShell, and VBA.
- Developed tools for automatic reconciliation of reported balance sheet data (XBRL: Finrep).
Aug 2017 - Oct 2018
1 year 3 monthsCredit Risk, Bank
Position Summary
Industries
Banking and Finance
Business Areas
Finance
Information Technology
- Designed and created the simulation model for the EBA Bank Stress Test 2018 focusing on counterparty risk (single transaction valuations, test management, web service).
- Developed using Node.js, SQL, JavaScript, VBA, and FINARIS RapidRep.
Jan 2015 - Dec 2018
4 yearsLecturer
Applied Universities
Position Summary
Lecturer at Applied Universities
Industries
Education
Business Areas
Research and Development
- Delivered lectures in mathematics, statistics, econometrics, and business informatics.
Jan 2015 - Dec 2017
3 yearsWeb Developer
IT-startups
Position Summary
Web Developer at IT-startups
Industries
Insurance
Information Technology
Real Estate
Business Areas
Business Intelligence
Information Technology
Marketing
- Created a PHP calculation kernel for expert judgement calculation of life insurance products and valuation of real estate objects.
- Developed digital marketing and predictive analytics features for web portals.
- Maintained repositories and performed testing using Git/GitLab and PHPUnit.
Jan 2007 - Dec 2014
8 yearsMunich, Germany
Advisor / Quantitative Risk Analyst
Allianz SE
Position Summary
Advisor / Quantitative Risk Analyst at Allianz SE
Industries
Insurance
Business Areas
Finance
Jan 2007 - Dec 2014
8 yearsSeefeld, Germany
Senior Consultant
Benoist & Company
Position Summary
Senior Consultant at Benoist & Company
Industries
Professional Services
Business Areas
Human Resources
Jan 2000 - Dec 2007
8 yearsResearcher, Lecturer, Scientific Assistant
Universities Bayreuth, Dortmund and DTU Denmark
Position Summary
Researcher, Lecturer, Scientific Assistant at Universities Bayreuth, Dortmund and DTU Denmark
Industries
Education
Business Areas
Research and Development
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Education, Insurance, Professional Services, Information Technology, Real Estate, and Banking and Finance.
Education
Insurance
Professional Services
Information Technology
Real Estate
Banking and Finance
Business Area Experience
See which departments and functions this freelancer has contributed to most.
Experienced in Research and Development, Finance, Information Technology, Human Resources, Business Intelligence, and Marketing.
Research and Development
Finance
Information Technology
Human Resources
Business Intelligence
Marketing
Summary
- Senior Data Scientist/Analyst/Engineer/Architect
- Senior Consultant, Project Management
- Lecturer (Statistics/Econometrics/Mathematics)
- Actuary (DAV) / Banking Auditor
Skills
- Project Management
- Devops/mlops: Several Tools (Grafana, Mlflow, Feast, Nexus, Others)
- Aws (Sagemaker, Codecatalyst, Ec2, Ecs, S3, Codebuild/codedeploy, Others)
- Azure (Storage, Function Apps, Web Apps, Azure Boards Pipeline Scripting)
- Ci/cd: Jenkins, Git, Aws Codecatalyst
- Release Management / Version Control
- Frameworks: Python: Flask, Fastapi, Streamlit, Dash; R: Shiny; Php: Laravel
- Data Warehousing: Oracle, Redshift, Snowflake
- Data Modeling, Design, And Profiling
- Application Management/development (Php, Java, Python, Perl)
- It Development/internet Protocols Ftp/sftp, Restful, Html, Etc.
- Migration Of System Landscapes
- Etl Processes, Data Management, Authorizations, And Models
- Databases: Pl/sql, Postgresql, Mariadb/mysql, Sqlite, Ms Sql Server, Influxdb
- Programming Languages: Abap/4, Vba, Haskell, Lua, Matlab, R, Python, Js/ts, Bash, Powershell, C, C++, C#, Fortran, Java, Php, Go, Others
- Protocols: Xml, Wsdl/soap, Json, Html/css
- Machine Learning: Frameworks For Supervised/unsupervised And Reinforcement Learning, Pytorch, Tensorflow, Scikit-learn, Nlp/ner
- Technical Consulting In Banks And Insurance Companies
- Experience As A Liaison Between Business And It Departments
- Banking Experiences: Regulatory Reporting, Trade Floor, Marketrisk/creditrisk Modeling
- Bank Audits: Reviewing Eba/bafin Standards In Risk Reporting (Liquidity Risk, Operational Risk, Market Risk, Credit Risk)
- Investment Banking: Financial Portfolio/product Analysis And Modeling (Structured Products, Abs, Mbs, Cdo, Options Pricing)
- Experience In The Insurance Industry: P&c And Life Insurance, Reinsurance
- Actuarial Consulting: Evaluating Surrender Values Of Life Insurance Products
Languages
German
NativeDanish
AdvancedEnglish
AdvancedSpanish
AdvancedFrench
AdvancedEducation
PhD in Mathematics · Mathematics
Statistics
Experience
Total positions 18
Experience in Education 12 y
Avg length 2 y 2 m
Longest experience 7 y 11 m
Global Experience
Countries worked in 1 (Germany)
Primary country Germany
Expertise
Recent roles Head of Risk Modeling & Cloud Infrastructure, AWS Cloud Specialist & Lead Data Scientist, Lecturer
Main industries Education, Insurance, Professional Services
Main business areas Research and Development, Finance, Information Technology
Qualifications
Highest degree Doctorate
Profile
Created
Need a freelancer? Find your match in seconds.
Try FRATCH GPT More actions
Frequently asked questions
Do you have questions? Here you can find further information.
Where is Kay based?
Kay is based in Emmelsbüll-Horsbüll, Germany and prefers 100% remote projects.
What languages does Kay speak?
Kay speaks the following languages: German (Native), Danish (Advanced), English (Advanced), Spanish (Advanced), French (Advanced).
How many years of experience does Kay have?
Kay has at least 25 years of experience. During this time, Kay has worked in at least 7 different roles and for 15 different companies. The average length of individual experience is 1 year and 5 months. Note that Kay may not have shared all experience and actually has more experience.
What roles would Kay be best suited for?
Based on recent experience, Kay would be well-suited for roles such as: Head of Risk Modeling & Cloud Infrastructure, AWS Cloud Specialist & Lead Data Scientist, Lecturer.
What companies has Kay worked for in recent years?
In recent years, Kay has worked for NGO, German Party, Insurance, Audit, Bank, System Provider, and Energy Provider.
Which industries is Kay most experienced in?
Kay is most experienced in industries like Education, Insurance, and Professional Services. Kay also has some experience in Information Technology, Real Estate, and Banking and Finance.
Which business areas is Kay most experienced in?
Kay is most experienced in business areas like Research and Development, Finance, and Information Technology. Kay also has some experience in Human Resources, Business Intelligence, and Marketing.
Which industries has Kay worked in recently?
Kay has recently worked in industries like Energy, Information Technology, and Government and Administration.
Which business areas has Kay worked in recently?
Kay has recently worked in business areas like Information Technology, Business Intelligence, and Project Management.
What is Kay's education?
Kay holds a Doctorate in Mathematics.
What is the availability of Kay?
Kay is immediately available part-time for suitable projects.
What is the rate of Kay?
Kay'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 Kay?
To hire Kay, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
1000
750
500
250
Market avg: 700-860 €
Market avg: 700-860 €
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.
Similar Freelancers
Discover other experts with similar qualifications and experience
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a
Nearby freelancers
Professionals working in or nearby Emmelsbüll-Horsbüll, Germany