Yenal Yavuz-Shiny R Development
Check rate
Experience
Shiny R Development
RadixITS Gbr
- Implementation and mapping of regulatory requirements (CSRD, ESRS) in Shiny dashboards and backend functions
- Design and development of data-driven modules in Shiny incl. ESG metrics and reporting templates
- Integration of data sources (SQL, SAP HANA, APIs, CSV/Excel) via DBI, odbc, httr and readr
- Creation of interactive visualizations with plotly, highcharter and DT (DataTables)
Data Analytics Design
Wörwag Pharma GmbH & Co. KG
- Analysis of the technical and organizational requirements for providing SAP data for Power BI and Shiny R dashboards
- Evaluation of data provision from SAP BW/4HANA as the basis for interactive dashboards to visualize production, supply and quality metrics
- Development of Power BI dashboards and training of internal employees in using Power BI
- Extraction of data from SAP HANA and other systems
- Creation of data models and concepts for SQL databases and for SAP BW/4HANA objects
- Design and implementation of automation solutions for data processing workflows using SparkR
Automated Trading System
Family Office
- Design and implementation of tailored algorithms in Python to support financial analysis and decision-making processes
- Storage and modeling of streamed data in a high-performance Exasol SQL database for analytical evaluations
- Use of advanced data analysis and machine learning techniques in combination with PySpark to improve the performance of investment strategies
- Use of Python for the development and implementation of the algorithms
- Creation and maintenance of comprehensive documentation for developed algorithms and workflows in Jira and Confluence
- Continuous monitoring and maintenance of the algorithms to ensure consistent performance and reliability
R Programming and Employee Training
ERGO
- Conducted comprehensive training sessions in the programming language R for internal employees to improve their skills in data analysis and programming
- Supported and assisted employees in implementing projects, especially in the use of R for data-related tasks
- Prepared and presented weekly status reports on project progress to the customer’s management team
- Coordinated and monitored project results to ensure that all milestones were reached on time and according to quality standards
- Worked closely with various departments to ensure that training and project goals were aligned with the company’s overall objectives
- Used ShinyProxy to containerize Shiny apps
- Trained internal employees in Shiny R
- Trained internal employees in R programming with DPLYR and Tidyverse
- Trained internal employees in version control with Git
External Business Analyst
Sofico Services GmbH
- Participated in ERP system Miles training in Ghent, Belgium
- Worked in an internal Sofico development team to introduce Miles at an automotive bank
- Agile work according to Scrum
- Modeling of processes, transactions and tables in the Miles configuration system
- Development of custom SQL queries in the Miles software system to configure and adapt data processes according to specific requirements
- Business support in planning and implementing cut-over processes for a smooth transition to the new system
- Troubleshooting and defect handling
- Creation of user stories based on customer requirements
- Documentation of business requirements for the acceptance process
- Definition of the required test cases for handover to the test team
IT Consultant
Qimia GmbH
- Planning, execution, and documentation of data science, data migration, and transformation projects
- Implementation of data science project requirements in agile teams using different technologies such as Java, Shiny R, and Python
- Creation of a Java tool for migrating data from a source system to a target system
- Operational support of the Java tool in a CI/CD pipeline environment
- Use of Git and GitHub for code reviews and version control
- Agile work according to Scrum
Data Analyst and SAP Test Manager
ZF-Wabco
- Support of the business project lead in a global project in the ERP environment
- Delivery of training for a newly introduced SAP test software as well as support for business users
- Creation of SAP test cases, tracking of timely execution, and support in all related plants
- Independent tracking of project phases and successful project support through pilot rollout
- Implementation of R programming in the subproject
- Development and design of an interactive data analytics dashboard in Shiny R for global logistics centers and factories in the commercial vehicle supplier division
- Extraction of data using Oracle PL/SQL queries from SAP R/3 databases
- Analysis of large amounts of data with SPARK
Master's student in the field of rubber plants for the tire industry
Troester GmbH
- Completion of a master's thesis on predictive maintenance
- Analysis and evaluation of sensor data using the R programming language with the Tidyverse and Shiny R packages
Quality Engineer
Bosch & Siemens Home Appliances
- Quality analysis of refrigerators for defect prevention
- Independent project planning and project execution for defect prevention
- KPI reporting of the plant's warranty costs
- Analysis, evaluation, and reporting of plant warranty costs
Internship in Project Management
Porsche AG
- Project and budget planning, progress tracking, and management reporting in automotive development projects
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Automotive, Information Technology, Banking and Finance, Manufacturing, Insurance, and Pharmaceutical.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Business Intelligence, Project Management, Quality Assurance, Finance, and Product Development.
Skills
Software Skills
- Microsoft Office
- Ms Project
- Ms Sharepoint
- Azure
- Aws Certified Cloud Practitioner
- Power Bi
- Jira/Confluence
- Sap R/3
- Sap Hana
- Sap 4/Hana
- Miles
- Oracle Db
Software Development
- R
- Shiny R
- Python
- Pyspark
- Spark
- Hadoop
- Java
- Mysql
- Pl/Sql
- Git
- Java Script
- Docker
- Kubernetes
Languages
Education
Yildiz Technical University Istanbul
İstanbul, Turkey
TU Braunschweig
Master of Science, focus on Mechanical Engineering, Finance · Industrial Engineering · Braunschweig, Germany
Linköping University
Linköping, Sweden
Certifications & licenses
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Yenal is based in Hanover, Germany.
Yenal speaks the following languages: German (Native), English (Advanced), Turkish (Advanced), Swedish (Elementary).
Yenal has at least 8 years of experience. During this time, Yenal has worked in at least 10 different roles and for 10 different companies. The average length of individual experience is 1 year and 9 months. Note that Yenal may not have shared all experience and actually has more experience.
Based on recent experience, Yenal would be well-suited for roles such as: Shiny R Development, Data Analytics Design, Automated Trading System.
Yenal's most recent position is Shiny R Development at RadixITS Gbr.
In recent years, Yenal has worked for RadixITS Gbr, Wörwag Pharma GmbH & Co. KG, Family Office, ERGO, and Sofico Services GmbH.
Yenal is most experienced in industries like Automotive, Banking and Finance, and Manufacturing. Yenal also has some experience in Information Technology, Insurance, and Pharmaceutical.
Yenal is most experienced in business areas like Information Technology, Business Intelligence, and Project Management. Yenal also has some experience in Quality Assurance, Finance, and Product Development.
Yenal has recently worked in industries like Banking and Finance, Information Technology, and Automotive.
Yenal has recently worked in business areas like Information Technology, Business Intelligence, and Finance.
Yenal holds a Master in Industrial Engineering from TU Braunschweig, a Bachelor from Linköping University and a Bachelor in Industrial Engineering from TU Braunschweig.
Yenal has 1 certificate: Aws Certified Cloud Practitioner.
The availability of Yenal needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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