Yenal Yavuz - Shiny R Development

Q: Where is Yenal based?

Yenal is based in Hanover, Germany .

Q: What languages does Yenal speak?

Yenal speaks the following languages: German (Native), English (Advanced), Turkish (Advanced), Swedish (Elementary) .

Q: How many years of experience does Yenal have?

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.

Q: What is Yenal's latest experience?

Yenal's most recent position is Shiny R Development at RadixITS Gbr .

Q: What companies has Yenal worked for in recent years?

In recent years, Yenal has worked for RadixITS Gbr , Wörwag Pharma GmbH & Co. KG , Family Office , ERGO , and Sofico Services GmbH .

Q: Which industries is Yenal most experienced in?

Yenal is most experienced in industries like Automotive , Banking and Finance , and Manufacturing . Yenal also has some experience in Information Technology (IT) , Insurance , and Pharmaceutical .

Q: Which business areas is Yenal most experienced in?

Yenal is most experienced in business areas like Information Technology (IT) , Business Intelligence , and Project Management . Yenal also has some experience in Quality Assurance (QA) , Finance , and Product Development .

Q: Which industries has Yenal worked in recently?

Yenal has recently worked in industries like Banking and Finance , Information Technology (IT) , and Automotive .

Q: Which business areas has Yenal worked in recently?

Yenal has recently worked in business areas like Information Technology (IT) , Business Intelligence , and Finance .

Recommended expert

Hanover, Germany

Experience

Jun 2025 - Aug 2025

3 months

Shiny R Development

RadixITS Gbr

Implementation and mapping of regulatory requirements (CSRD, ESRS) in Shiny dashboards and backend functionalities
Design and development of data-driven modules in Shiny including ESG metrics and reporting templates
Integration of data sources (SQL, SAP HANA, APIs, CSV/Excel) using DBI, odbc, httr and readr
Creation of interactive visualizations with plotly, highcharter and DT (DataTables)

Sep 2024 - Dec 2024

4 months

Data Analytics Conceptualization

Wörwag Pharma GmbH & Co. KG

Analyzing technical and organizational requirements for providing SAP data for Power BI and Shiny R dashboards
Evaluating data provisioning from SAP BW/4HANA as a basis for interactive dashboards to visualize production, delivery and quality metrics
Developing Power BI dashboards and training internal staff in Power BI usage
Extracting data from SAP HANA and other systems
Creating data models and concepts for SQL databases and SAP BW/4HANA objects
Designing and implementing automation solutions for data processing workflows using SparkR

Mar 2024 - May 2025

1 year 3 months

Automated Trading System

Family Office

Design and implementation of custom algorithms in Python to support financial analysis and decision-making processes
Storing and modeling streamed data in a high-performance Exasol SQL database for analytical evaluation
Using advanced data analysis and machine learning techniques with PySpark to improve investment strategy performance
Using Python for algorithm development and implementation
Creating and maintaining comprehensive documentation for developed algorithms and workflows in Jira and Confluence
Continuous monitoring and maintenance of algorithms to ensure consistent performance and reliability

Jun 2023 - Apr 2024

11 months

R Programming and Staff Training

ERGO

Conducting comprehensive training in the R programming language for internal staff to improve their data analysis and programming skills
Guiding and supporting staff in project implementation, especially in using R for data-related tasks
Creating and presenting weekly status reports on project progress to the client's management
Coordinating and monitoring project deliverables to ensure all milestones are met on time and according to quality standards
Collaborating closely with various departments to ensure training and project goals align with overall company objectives
Using ShinyProxy for containerizing Shiny apps (Dockerizing ShinyApps)
Training internal staff in Shiny R
Training internal staff in R programming with dplyr and Tidyverse
Training internal staff in version control with Git

Mar 2023 - Feb 2024

1 year

External Business Analyst

Sofico Services GmbH

Attending ERP system Miles training in Ghent, Belgium
Working in an internal Sofico development team to implement Miles at an automotive bank
Agile working using Scrum
Modeling processes, operations and tables in the Miles configuration system
Developing custom SQL queries in the Miles software system to configure and adapt data processes based on specific requirements
Providing professional support in planning and executing cut-over processes for a smooth transition to the new system
Troubleshooting and resolving defects
Creating user stories based on client requirements
Documenting functional requirements for the acceptance process
Defining necessary test cases for handover to the test team

Jan 2021 - Sep 2022

1 year 9 months

Hanover, Germany

IT Consultant

Qimia GmbH

Planning, execution, and documentation of data science, data migration, and transformation projects
Implementing data science project requirements in agile teams using technologies like Java, Shiny R, and Python
Developing 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
Using Git and GitHub for code reviews and version control
Working in an agile setup following Scrum

Nov 2019 - Dec 2020

1 year 2 months

Hanover, Germany

Data Analyst and SAP Test Manager

ZF-Wabco

Supporting the business project management of a global ERP project
Conducting training for a newly introduced SAP test software and supporting business users
Creating SAP test cases, tracking timely execution, and providing support in all related plants
Independently tracking project phases and successfully guiding the pilot rollout
Performing R programming in the subproject
Developing and designing an interactive data analytics dashboard in Shiny R for global logistics centers and factories in the commercial vehicle supplier division
Extracting data using Oracle PL/SQL queries from SAP R/3 databases
Analyzing large datasets with Spark

Sep 2018 - May 2019

9 months

Hanover, Germany

Master's Student in Rubber Machinery for the Tire Industry

Troester GmbH

Conducting a master's thesis on predictive maintenance
Analyzing and evaluating sensor data with R using Tidyverse packages and Shiny R

Aug 2016 - Jan 2018

1 year 6 months

Çerkezköy, Turkey

Quality Engineer

Bosch & Siemens Home Appliances

Performing quality analysis of refrigerators for error prevention
Independently planning and executing projects for error prevention
KPI reporting on the plant's warranty costs
Analyzing, evaluating, and reporting the plant's warranty costs

Sep 2013 - Feb 2014

6 months

Stuttgart, Germany

Internship in Project Management

Porsche AG

Project and budget planning, progress tracking, and reporting to management in automotive development projects

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Automotive (3 years), Information Technology (2 years), Banking and Finance (2 years), Manufacturing (2 years), Insurance (1 year), and Pharmaceutical (0.5 years).

Automotive

Information Technology

Banking and Finance

Manufacturing

Insurance

Pharmaceutical

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (5.5 years), Business Intelligence (5 years), Project Management (4 years), Quality Assurance (2.5 years), Finance (1 year), and Product Development (1 year).

Information Technology

Business Intelligence

Project Management

Quality Assurance

Finance

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
Javascript
Docker
Kubernetes

Languages

German

Native

English

Advanced

Turkish

Advanced

Swedish

Elementary

Education

Feb 2016 - Jan 2017

Yildiz Technical University Istanbul

İstanbul, Turkey

Apr 2015 - May 2019

TU Braunschweig

Master of Science, focus on Mechanical Engineering and Financial Management · Industrial Engineering · Braunschweig, Germany

Feb 2012 - Jan 2013

Linköping University

Linköping, Sweden

...and 2 more

Certifications & licenses

AWS Certified Cloud Practitioner

Profile

Created

September 2025

Need a freelancer? Find your match in seconds.

Try FRATCH GPT

Frequently asked questions

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

Where is Yenal based?

Yenal is based in Hanover, Germany.

What languages does Yenal speak?

Yenal speaks the following languages: German (Native), English (Advanced), Turkish (Advanced), Swedish (Elementary).

How many years of experience does Yenal have?

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.

What roles would Yenal be best suited for?

Based on recent experience, Yenal would be well-suited for roles such as: Shiny R Development, Data Analytics Conceptualization, Automated Trading System.

What is Yenal's latest experience?

Yenal's most recent position is Shiny R Development at RadixITS Gbr.

What companies has Yenal worked for in recent years?

In recent years, Yenal has worked for RadixITS Gbr, Wörwag Pharma GmbH & Co. KG, Family Office, ERGO, and Sofico Services GmbH.

Which industries is Yenal most experienced in?

Yenal is most experienced in industries like Automotive, Banking and Finance, and Manufacturing. Yenal also has some experience in Information Technology (IT), Insurance, and Pharmaceutical.

Which business areas is Yenal most experienced in?

Yenal is most experienced in business areas like Information Technology (IT), Business Intelligence, and Project Management. Yenal also has some experience in Quality Assurance (QA), Finance, and Product Development.

Which industries has Yenal worked in recently?

Yenal has recently worked in industries like Banking and Finance, Information Technology (IT), and Automotive.

Which business areas has Yenal worked in recently?

Yenal has recently worked in business areas like Information Technology (IT), Business Intelligence, and Finance.

What is Yenal's education?

Yenal holds a Master in Industrial Engineering from TU Braunschweig, a Bachelor from Linköping University and a Bachelor in Industrial Engineering from TU Braunschweig.

Does Yenal have any certificates?

Yenal has 1 certificate: AWS Certified Cloud Practitioner.

What is the availability of Yenal?

Yenal is immediately available for suitable projects.

What is the rate of Yenal?

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