Elif Yağmur Yılmaztürk
Senior Data Scientist
Istanbul,34
Summary
I am an analytical and highly motivated data science professional with an M.Sc. in Applied Data Science and a B.Sc. in Industrial Engineering. I bring 8 years of experience, including 7 years as a data scientist, specializing in developing and deploying end-to-end data-driven solutions. Throughout my professional career and master’s program, I have gained hands-on experience in key areas such as Inferential Statistics, Information Retrieval, Exploratory Data Analysis, Machine and Deep Learning, Time Series Analysis, Multivariate Analysis, and Predictive Modeling. I possess extensive knowledge of supervised and unsupervised learning techniques and am currently leveraging my expertise in generative AI, with a particular focus on large language models (LLMs), to deliver impactful business insights and innovative solutions.
Overview
10
10
years of professional experience
9
9
years of post-secondary education
2
2
Languages
Work History
Data Scientist
Pragmacraft
03.2021 - 09.2024
- Collaborate with the AI Branch team at İş Bankası using Agile methodologies to deliver data-driven solutions
- Develop machine learning models to solve complex financial problems across various projects:
- Project 1: Predict salary distributions for corporate clients and forecast revenues using predicted salaries
- Project 2: Build cash flow prediction models for both inflow and outflow transactions to optimize financial planning
- Project 3: Model churn probabilities for POS Machine customers to improve retention strategies
- Project 4: Perform cash flow network analysis for commercial and individual customers, visualizing insights on an interactive dashboard
- Conduct A/B tests to evaluate the impact of business strategies and provide actionable recommendations
- Present results and progress to branch managers during sprint review meetings through engaging presentations
Data Scientist
Ulusal Faktoring/Çekpara
12.2019 - 03.2021
- Develop and deploy end-to-end machine learning models to address business challenges, ensuring high accuracy and reliability
- Lead projects including detecting fraudulent checks, customer scoring and segmentation, and optimizing pricing strategies for targeted customer segments
- Prepare and clean complex datasets for machine learning algorithms, improving data quality and model performance
- Own the full lifecycle of model implementation, from development to evaluation, to achieve measurable business outcomes
- Collaborate with the engineering team to streamline data pipelines and ensure efficient model deployment in production environments
- Communicate key insights and results to senior management through regular presentations, driving data-informed decision-making
Data Analyst/Scientist
Hayat Varlık A.Ş
06.2018 - 12.2019
- Conduct analyses using descriptive statistics to address challenges faced by business units and enhance business processes
- Interpret analysis results to develop actionable insights and data-driven strategies
- Coordinate with technical teams to ensure solutions are implemented in automated environments, improving operational efficiency
- Apply regression and classification techniques to predict customer behaviors, supporting targeted decision-making
- Generate and monitor KPIs to evaluate machine learning model performance and ensure continuous improvement
- Create detailed reports to track and communicate the performance of machine learning models to stakeholders
Sales & Marketing Business Development Specialist
Endurance International Group
10.2016 - 11.2017
- Engage with clients to pitch products and services, tailoring solutions to their unique needs
- Strengthen existing business relationships with partners while identifying and acquiring new opportunities to drive growth
- Provide strategic recommendations to the business team, based on insights from interactions with prospective customers
- Analyze clients’ existing technologies and systems, offering consultative support to ensure seamless integration of solutions
- Participate in training programs and industry-related workshops to maintain expertise in company offerings and stay updated on market trends
- Oversee product management initiatives, leveraging marketing strategies such as product enhancements, increased distribution, pricing adjustments, and promotional campaigns to maximize reach and impact
Engineer Intern, Management
ASELSAN
08.2015 - 09.2015
- Analysis, improvement and optimization on warehouses at Transportation Security Department
MATLAB Tutorship
Bilkent University
09.2014 - 09.2015
- Counseling faculty of engineering students about Matlab in laboratory lessons
Engineer Intern, Production
ORS Bearings Company
07.2014 - 08.2014
- Observation of manufacturing and production processes
Education
Applied Data Science Masters - Applied Data Science
TED University
01.2017 - 01.2020
Bachelor of Industrial Engineering - Industrial Engineering
Bilkent University
01.2010 - 01.2016
Skills
- Python
- SQL
- NoSQL
- MongoDB
- NumPy
- Pandas
- Scikit-Learn
- XGBoost
- Seaborn
- Matplotlib
- Tensorflow
Personal Information
Date of Birth: 09/19/91
Timeline
Data Scientist
Pragmacraft
03.2021 - 09.2024
Data Scientist
Ulusal Faktoring/Çekpara
12.2019 - 03.2021
Data Analyst/Scientist
Hayat Varlık A.Ş
06.2018 - 12.2019
Applied Data Science Masters - Applied Data Science
TED University
01.2017 - 01.2020
Sales & Marketing Business Development Specialist
Endurance International Group
10.2016 - 11.2017
Engineer Intern, Management
ASELSAN
08.2015 - 09.2015
MATLAB Tutorship
Bilkent University
09.2014 - 09.2015
Engineer Intern, Production
ORS Bearings Company
07.2014 - 08.2014
Bachelor of Industrial Engineering - Industrial Engineering
Bilkent University
01.2010 - 01.2016