data scientist

senior data scientist

data analyst

data engineer

data scientist / senior data scientist Jobs in Istanbul

data scientist / senior data scientist

data scientist operations research optimization

Yıldız Tech

<div>
 
 
 About the job
 
 
 
 The story of Y&inodot;ld&inodot;z Holding, which started with biscuit production in Istanbul in 1944, continues today with our food-snack products that we have reached 4 billion people in 5 continents with more than 300 brands and with our retail companies all over Turkey. With our more than 80 thousand employees, the majority of whom are located in Turkey, we aim to reach the better without stopping, and we produce a wide range of products from biscuits to chocolate, from frozen food to packaging in a total of 45 factories, 20 of which are abroad. We always raise the bar in economic contribution, employment, exports, social solidarity and sustainability. We give priority to social contribution with the principle of "Make Happy Be Happy" and we have been producing happiness for more than 80 years with our products, services and sustainable social responsibility understanding.
 
 
 
 
 
 Our company Y&inodot;ld&inodot;z Tech, established to support the software development journeys of our digital applications within our group and to create innovative solutions, aims to enable our customers operating in the e-commerce sector to make the most of next-generation technologies, achieve success through digital and analytical solutions, and capitalize on emerging opportunities to attain sustainable benefits.
 
 
 
 
 
 
 
 
 
 Job Description
 
 
 
 Y&inodot;ld&inodot;z Tech's Digital Transformation organization is seeking a
 
 Data Scientist (Operations Research &amp; Optimization)
 
 to design and implement advanced optimization and decision-support solutions. In this role, you will work on projects such as route optimization, inventory and stock optimization, resource allocation, production scheduling, profit maximization, and other operations research problems. You will collaborate with business and engineering stakeholders to transform complex operational problems into scalable, data-driven optimization solutions.
 
 
 
 
 
 
 
 
 
 What Awaits You, What Will Be Your Responsibilities?
 
 
 
 
 
 <ul>
 <li>
 Researching, designing, implementing, and evaluating optimization algorithms and mathematical models (linear, integer, mixed-integer, nonlinear, stochastic programming, heuristics/metaheuristics, etc.).
 </li>
 <li>
 Developing models to optimize supply chain, logistics, and production planning decisions (e.g., inventory policies, routing, scheduling, resource allocation).
 </li>
 <li>
 Building simulation and what-if analysis tools to support strategic and tactical decision-making.
 </li>
 <li>
 Integrating statistical and machine learning techniques with optimization models &mdash; e.g., using demand forecasting to feed planning models, clustering to enable scalable route optimization and regression models to estimate cost effects.
 </li>
 <li>
 Preprocessing and preparing data from multiple sources to be used in optimization and mathematical modeling.
 </li>
 <li>
 Implementing robust algorithms and ensuring their scalability for large datasets and complex real-world problems.
 </li>
 <li>
 Creating reports, maps and visualizations to communicate model outputs and recommendations effectively.
 </li>
 <li>
 Collaborating with cross-functional teams including operations, supply chain, production, and IT stakeholders to understand requirements and deliver impactful solutions.
 </li>
 <li>
 Staying updated on the latest research and industry practices in operations research, optimization, and applied AI.
 </li>
 <li>
 Documenting methodologies, models, and results in clear, reproducible formats.
 </li>
 </ul>
 
 
 
 
 
 
 
 
 What will be the qualifications we expect from you?
 
 
 
 
 
 <ul>
 <li>
 BS/MS Degree in Industrial Engineering, Operations Research, Applied Mathematics, Computer Science/Engineering (or other related quantitative fields).
 </li>
 <li>
 Minimum 3 years of experience in operations research, optimization, or related data science fields.
 </li>
 <li>
 Strong background in mathematical optimization (LP, IP, MIP/MILP, nonlinear optimization, stochastic optimization).
 </li>
 <li>
 Hands-on project experience in areas such as:
 </li>
 <li>
 Routing and scheduling (e.g., VRP, TSP, logistics planning)
 </li>
 <li>
 Production planning and scheduling
 </li>
 <li>
 Inventory and safety stock optimization
 </li>
 <li>
 Resource allocation and assignment problems
 </li>
 <li>
 Proficiency in Python and optimization libraries/tools (e.g., CPLEX, OR-Tools, Pyomo, PuLP).
 </li>
 <li>
 Strong analytical and problem-solving skills with ability to translate business problems into mathematical formulations.
 </li>
 <li>
 Good command of SQL for working with large-scale datasets.
 </li>
 <li>
 Excellent communication skills and ability to work with cross-functional teams.
 </li>
 <li>
 Fluency in English.
 </li>
 </ul>
 
 
 
 
 
 
 
 
 
 
 
 Which skills will highlight you?
 
 
 
 
 
 <ul>
 <li>
 Knowledge of statistical/machine learning methods to complement optimization solutions (forecasting, clustering, regression models, etc).
 </li>
 <li>
 Experience in cloud environments (AWS, Azure) for scalable model deployment.
 </li>
 <li>
 Practical experience with deploying optimization models into production environments.
 </li>
 <li>
 Familiarity with reinforcement learning and its applications in operations optimization.
 </li>
 <li>
 Strong mathematical and analytical mindset with a passion for optimization.
 </li>
 <li>
 Ability to design creative and practical solutions for complex operational problems.
 </li>
 <li>
 Effective communication and collaboration abilities.
 </li>
 <li>
 Hands-on mindset: from problem formulation to model implementation and deployment.
 </li>
 <li>
 Curiosity and eagerness to stay up-to-date with cutting-edge optimization and operations research techniques.
 </li>
 <li>
 Team spirit and adaptability in collaborative environments.
 </li>
 </ul>
 
 
 
 
 
 
 
 &ldquo;&Ccedil;al&inodot;&scedil;an Aday&inodot; Ayd&inodot;nlatma Metni i&ccedil;in ; https://www.yildizholding.com.tr/tr/kisisel-verilerin-korunmasi sayfam&inodot;z&inodot; ziyaret edebilirsiniz.&rdquo;
 
 
 
</div>

Data Scientist (Operations Research & Optimization)

Midas Games

<div>
 
 Company Description
 
 
 
 Midas Games is dedicated to redefining the gaming experience with a focus on delivering unparalleled fun and competition. We create games that captivate our users, offering unique and memorable entertainment. By blending innovation and creativity, we aim to set new standards in the gaming industry. At Midas Games, every project reflects our commitment to excellence and player satisfaction.
 
 
 
 Role Description
 
 
 
 This is a full-time on-site role for a Data Scientist located in Istanbul, T&uuml;rkiye. The Data Scientist will analyze and interpret complex data to support game development and optimization. Day-to-day tasks include building predictive models, performing statistical analyses, creating data visualizations, and generating actionable insights to enhance game performance and user experience.
 
 
 
 Qualifications
 
 
 <ul>
 <li>
 Proficiency in Data Science, Data Analysis, and Data Analytics
 </li>
 <li>
 Expertise in Statistics and Statistical Methods
 </li>
 <li>
 Strong skills in Data Visualization and presenting insights in an understandable format
 </li>
 <li>
 Experience with programming languages such as Python, R, or SQL
 </li>
 <li>
 Strong analytical and problem-solving abilities
 </li>
 <li>
 Bachelor's or higher degree in Data Science, Mathematics, Statistics, or a related field
 </li>
 <li>
 Experience in the gaming industry or with game-related data is a plus
 </li>
 </ul>
</div>

Data Scientist

Prometeia

<div>
 
 
 Junior Data Scientist - AI &amp; Machine Learning
 
 
 
 
 
 
 Are you curious and ready to accept a new challenge in your career? Are you eager to join a dynamic company and bring innovation through your work and skills?
 
 
 Prometeia offers you opportunities for growth and training in a Group with over 1000 professionals working for more than 500 clients in 20 countries around the world.
 
 
 Among the European leaders in Enterprise Risk Management and Wealth &amp; Asset Management solutions, Prometeia is looking for a motivated and curious part-time junior data scientist to join our AI &amp; Machine Learning team in Istanbul. The ideal candidate is passionate about learning how to use data to solve real-world problems in the finance domain. This role is designed for someone at the beginning of their data science career who wants to gain hands-on experience, make tangible contributions, and continue to grow their technical and analytical skills.
 
 
 
 
 
 
 RESPONSIBILITIES:
 
 
 <ul>
 <li>
 Support senior data scientists in the development of AI and machine learning models.
 </li>
 <li>
 Assist with data collection, cleaning, and exploration tasks.
 </li>
 <li>
 Contribute to feature engineering and model training using Python-based tools.
 </li>
 <li>
 Participate in testing and validating models under the guidance of senior team members.
 </li>
 <li>
 Conduct exploratory data analysis, feature engineering, and selection to enhance model performance.
 </li>
 <li>
 Participation in the preparation/review of simple prototypes/analytic components within more complex pipelines.
 </li>
 <li>
 Contribute to data labeling and annotation tasks, especially for text and language-based (NLP) datasets.
 </li>
 <li>
 Take part in research and experimentation to explore new data science methods and tools.
 </li>
 <li>
 Preparing and delivering technical presentations to clients and stakeholders to explain machine learning models, project outcomes, and analytical insights.
 </li>
 </ul>
 
 
 
 
 
 REQUIREMENTS:
 
 
 <ul>
 <li>
 Currently a junior or senior undergraduate student, or enrolled in a Master&rsquo;s program in Computer Science, Statistics, Mathematics, Engineering, Data Science, or a related field.
 </li>
 <li>
 Knowledge of statistics, Machine Learning, and major clustering, classification, and regression algorithms.
 </li>
 <li>
 Proficiency in programming languages such as Python and SQL.
 </li>
 <li>
 Familiarity with Python libraries and tools for Machine Learning (numpy/pandas, scikit-learn) and scientific computing.
 </li>
 <li>
 Eagerness to learn and contribute in a team-oriented environment and attention to detail.
 </li>
 <li>
 Good communication and presentation skills in English.
 </li>
 </ul>
 
 
 
 
 
 NICE TO HAVE:
 
 
 <ul>
 <li>
 Experience with code versioning systems (git).
 </li>
 <li>
 Experience in data wrangling, cleaning, exploration, and feature extraction.
 </li>
 <li>
 Experience in consulting or working with clients is a plus.
 </li>
 <li>
 Experience in financial institutions is a plus.
 </li>
 </ul>
 
 
 
 
 
 LOCATION:
 
 
 
 Istanbul
 
 
 
 
 
 
 WHAT WE OFFER:
 
 
 
 
 REMOTE WORKING
 
 
 
 Flexibility is an intrinsic value of our way of working. In Prometeia, remote working is an organizational method based on trust. It results in benefits in terms of work/life balance, impact on the environment and optimization of company results through autonomy and empowerment of people.
 
 
 
 TRAINING
 
 
 
 Prometeia means continuous training. We provide an average of 11 days of training per year to our people, in person and online. We pay specific attention to younger colleagues, the protagonists of dedicated growth programs, and to the continuous sharing and internal transfer of know-how and skills. On-the-job training is also important and is made of immediate and direct confrontation with the market.
 
 
 
 COMMUNITY
 
 
 
 Our Community is highly diverse, as are the skills of the people who are part of it and who share its values, and the individuals and organizations directly or indirectly involved in our activities. Clients, People of the Group, Alumni, Institutions, Academia, non-profit entities we actively cooperate with are stakeholders representing a great value for us in terms of trust and collaboration.
 
 
 
 DIVERSITY
 
 
 
 We promote and respect equal opportunities and consider differences as a value. Diversity &amp; Inclusion are fundamental values: from the recruitment phase to everyday life, promoted also through dedicated training moments to develop individual sensitivities and uniqueness.
 
 
 
 IMPACT
 
 
 
 We responsibly take an active role towards the environment, territories and communities we operate in. Our Headquarter in Bologna has obtained the Leed Gold Certification, one of the highest awards recognizing the efficiency of the building in terms of energy and water savings, CO2 emissions reduction, and improvement of the ecological quality of interiors, materials and resources. In the Sustainability Report we outline the results achieved within the 17 Sustainable Development Goals (SDGs) of the 2030 Agenda drafted by the UN in 2016, that we have been supporting since 2020.
 
</div>

Junior Data Scientist - AI & Machine Learning

bitaksi

<div>
 
 
 About bitaksi:
 
 
 
 bitaksi is Turkey's leading taxi-hailing app, transforming urban mobility with innovative technology. Over the past 12 years, we've grown from a small startup to a pivotal part of people's daily lives, providing safe, easy, and modern transportation solutions.
 
 
 
 
 
 
 Company Vision:
 
 
 
 Our vision is to transform the way people move by leveraging cutting-edge technology and creating seamless experiences for both riders and drivers. We aim to be the preferred transportation platform of choice, setting new industry standards and reshaping urban mobility.
 
 
 
 
 
 
 Why Choose bitaksi:
 
 
 
 Impactful Work: By joining bitaksi, you will have the opportunity to work on projects that have a direct impact on the lives of millions of people. Your contributions will help shape the future of transportation and make a difference in the way people navigate their daily lives.
 
 
 Innovation and Technology: Be part of a dynamic team that leverages the latest technology to develop user-centric solutions in a rapidly evolving industry.
 
 
 
 
 
 
 
 
 
 As a Data Scientist at Bitaksi, you'll be building and deploying machine learning models to solve critical business challenges across fraud detection, customer optimization, and recommendation systems while collaborating closely with stakeholders to translate their needs into scalable data science solutions.
 
 
 
 
 
 
 
 Requirements:
 
 
 
 
 
 <ul>
 <li>
 Bachelor's degree in a quantitative field (Computer Science, Mathematics, Statistics, Engineering etc.)
 </li>
 <li>
 5+ years of hands-on experience in data science roles
 </li>
 <li>
 Advanced proficiency in Python and SQL for data analysis and modeling
 </li>
 <li>
 Proven experience developing and deploying machine learning models in production
 </li>
 <li>
 Strong statistical foundation including predictive modeling, optimization, and data mining
 </li>
 <li>
 Experience with cloud platforms (AWS preferred) and containerization technologies
 </li>
 <li>
 Familiarity with API development frameworks (FastAPI, Flask, or similar)
 </li>
 <li>
 Demonstrated ability to translate business problems into data science solutions
 </li>
 </ul>
 
 
 
 
 
 Opportunities for you:
 
 
 <ul>
 <li>
 Impacting on the solid data products and solutions from day one
 </li>
 <li>
 Working on cutting-edge technologies and easy-to-access data platform
 </li>
 <li>
 Being able to analyze a wide variety of data types
 </li>
 <li>
 Taking responsibility
 </li>
 </ul>
 
 
 
 
 
 What we offer?
 
 
 <ul>
 <li>
 Open communication, teamwork and strong company culture of continuous development
 </li>
 <li>
 Competitive salary
 </li>
 <li>
 Private health insurance (family included)
 </li>
 <li>
 Meal card
 </li>
 <li>
 Monthly IstanbulCard reimbursement
 </li>
 <li>
 We care about your wellbeing; free psychological counseling, legal advice, financial advice etc.
 </li>
 <li>
 Team and company activities for motivation
 </li>
 <li>
 Discounted gym membership
 </li>
 <li>
 Online education platforms
 </li>
 </ul>
 
 
 
 
 
 Join Us:
 
 Become part of a team that&rsquo;s redefining urban mobility. Together, let&rsquo;s create innovative solutions that enhance the lives of millions.
 
 
 
 
 
 
 Under the scope of your application, your personal data submitted to us will be processed in accordance with the Law on the Protection of Personal Data No. 6698 for the purposes of managing and evaluating our recruitment processes and contacting you when necessary. You can access our information text on the processing of your personal data via the following link :
 
 https://www.bitaksi.com/en/personal-data-protection-policy
 
 
 
</div>

Senior Data Scientist

Turknet

<div>
 
 
 🚀 Who we are &amp; What we believe?
 
 
 
 
 
 
 We believe the internet is the great equalizer and enabler. It provides essentially unlimited access to knowledge, education, entertainment, services and commerce. And it&rsquo;s an incredible tool to publish, create, share and communicate.
 
 
 We think everyone deserves first-rate internet, and we have gone about creating an internet service that we ourselves want to use.
 
 
 We believe in the power of curiosity, creativity and imagination. We use technology to realize our creations, to simplify and to enable. In addition, we add in hard work, sheer sweat and will power where that is not quite enough. If the idea is right, &ldquo;that can&rsquo;t be done&rdquo;, or &ldquo;that&rsquo;s not how things are done&rdquo; will not stop us.
 
 
 Offering the best customer experience is dear to our hearts. Our industry is not very good at this, and we have lots of room to improve. We want to be the best and are looking for a leader that shares our passion.
 
 
 If that&rsquo;s you, we&rsquo;d love to meet and get to know you. Let&rsquo;s talk about how we can work together to make it happen!
 
 
 
 
 
 
 🍕 Data Analytics &amp; Science Team at Turknet
 
 
 
 We&rsquo;re looking for an experienced Data Scientist to join our game-changing team.
 
 
 
 
 
 
 📱 What You'll Do
 
 
 <ul>
 <li>
 Understand business objectives and data requirements, and transform them into valuable insights and analytical solutions.
 </li>
 <li>
 Manage data analysis processes and prepare datasets for analysis.
 </li>
 <li>
 Process large datasets using big data technologies.
 </li>
 <li>
 Develop predictive models, classifications, and clustering solutions using machine learning algorithms.
 </li>
 <li>
 Present and communicate data results effectively with visualizations.
 </li>
 </ul>
 
 
 
 
 
 👩 👨 Who You Are
 
 
 <ul>
 <li>
 Bachelor's degree or higher in Computer Science, Computer Engineering, Statistics, Mathematics, or a similar quantitative discipline.
 </li>
 <li>
 Extensive experience with SQL. Proficiency in Python and related data analysis, data manipulation, and modeling libraries (Pandas, NumPy, Scikit-learn, etc.).
 </li>
 <li>
 Strong understanding of the Data Science model development lifecycle (data understanding, data cleaning, feature engineering, model training, evaluation, and monitoring).
 </li>
 <li>
 Hands-on experience with machine learning models, statistical methods, and optimization algorithms for real-world problems.
 </li>
 <li>
 Experience with big data technologies is a plus.
 </li>
 </ul>
 
 
 
 
 
 ✅ Must-Haves
 
 
 
 We are looking for a Data Scientist, so you should have 3+ years of experience in a Data Science role.
 
 
 
 
 
 
 🚀 What We Offer?
 
 
 
 Be part of a team that is changing all the rules of the game and creating an original business model and infratsrurcture in our generation&rsquo;s most important technological development: the internet,
 
 
 We are not afraid to question existing ways of doing things, and value creativity and freedom all as we move with the blistering speed of technological change,
 
 
 Empowerment, mastery and learning. Join a company where you are entrusted with significant responsibility, where you will be part of our team forging a new path, discovering new ways of achieving things. Continuous learning opportunities to develop your mastery,
 
 
 Be yourself, join a team of unique hard working and fun loving team mates who believe in haring and are always up for fun and taking a break together as well.
 
 
 
 
 
 
 
 
 
 🚀Our Recruitment Process
 
 
 
 We are guided by our goal of creating an equitable and inclusive experience where candidates from a wide range of backgrounds have the opportunity to succeed. We do not imagine a complicated recruitment process. That's why we care about the process being short, fast and transparent.
 
 
 1.Application: You can apply for open positions via Linkedin.
 
 
 2.First Interview: First of all, we want to evaluate your skills and see if they are compatible with TurkNet values.
 
 
 3.Case study: For some positions we may need to test technical skill.
 
 
 4.Second Interview: We would like to examine your technical skills in depth with our leader(s).
 
 
 5.Welcome to TurkNet!
 
 
 
</div>

Solenis

<div><div>QUALIFICATIONS</div><ul><li>
Bachelor&rsquo;s Degree from Chemistry of a reputable university</li><li>
Masters degree in Chemistry/ Analytical Chemistry, Chemical Engineering or equivalent will be an advantage</li><li>
Max. years experience in related area (Chemical know&ndash;how), technical expertise in Chemistry with a proven track record</li><li>
Knowledge of and experience in analytical chemistry, analytical testing and instrumentation will be preferred</li><li>
Formulation knowledge will be an advantage</li><li>
Excellent command of both written and spoken English</li><li>
Advanced in MS-Office applications</li><li>
Strong analytical skills &amp; good communication skills</li><li>
Customer focus and result &amp; quality oriented approach</li><li>
No military obligation for male candidates</li></ul><div></div><div>
JOB DESCRIPTION</div><div>
We are now looking for an &quot;Associate Scientist&quot; to be a member of our Research &amp; Development Department. The R&amp;D team is the Business Partner and first point of contact for marketing and sales organisation and supply chain for all technical/ R&amp;D related activities. The main purpose of the role is to provide technical support in all day to day activities and projects. 
 
Responsibilities of the ideal candidate will include:</div><ul><li>
Own Industrial solution (IS) formula including products that are used in IWT, Mining, Geothermal and O&amp;G (oil &amp; gas) industries for compliance and product managment.</li><li>
Performing product and raw material physical-chemical analysis according to project and customer needs</li><li>
Develop product formulations as per project requirements and make development reports</li><li>
Coordinate and collaborate with our application laboratories / formulations worldwide and the field application teams for the performance testing of formulations and other R&amp;D activities</li><li>
Performing benchmark studies and reverse engineering to evaluate competitor products.</li><li>
Deliver profitability improvement projects through formulation and supply/ sourcing &amp; marketing initiatives</li><li>
Doing literature research</li><li>
Taking care of day to day lab operations and giving support in dealing with customer complaints</li><li>
Taking part in local and global projects, including lab work as well as liaising with other internal departments</li><li>
Being the point of contact for technical R&amp;D support to sales and marketing departments</li><li>
Efficient and timely report generation</li></ul><div></div><div>
Key results areas:</div><ul><li>
Compliance to formula management</li><li>
Timely completion of projects and reporting progress to stakeholders</li><li>
Generate high quality data and maintain up-to-date records</li><li>
Write reports and present it to stakeholders</li><li>
Deliver savings</li><li>
Manage R&amp;D tools and software like Agile/ lotus notes/ sap for compliance</li></ul><div></div><div>
**In our recruitment process, the preliminary evaluation is made with a video interview sent to the appropriate candidates via HR Venue.</div></div><div></div>

Associate Scientist - Istanbul

Dream Games

<div>
 
 We are looking for an experienced Data Scientist to develop analytical insights for our teams. As a Data Scientist, you will work closely with marketing and product teams to identify their needs and translate them into structured analysis, actionable insights, and data products.
 
 
 
 
 
 At Dream Games, all team members have a genuine chance to contribute to the final product and have an impact on the company. If you want to be a team member of a fast-growing company, you might be the person we are looking for!
 
 
 
 
 
 
 Responsibilities
 
 
 
 
 
 <ul>
 <li>
 Performing ongoing analysis of large, complex data sets to understand trends and providing actionable recommendations
 </li>
 <li>
 Examining marketing performance and user conversion data funnel to identify opportunities to improve ROI
 </li>
 <li>
 Building and maintaining reports, dashboards, and metrics with writing SQL queries and scripts
 </li>
 <li>
 Monitoring the integrity and validity of the reported data
 </li>
 <li>
 Developing and maintaining reporting tools such as Looker and Tableau to maximize the usage of the data
 </li>
 </ul>
 
 
 
 
 
 Requirements
 
 
 
 
 
 <ul>
 <li>
 Experience in prediction, modeling, and forecasting
 </li>
 <li>
 Knowledge of dashboard &amp; reporting tools such as Tableau, Looker
 </li>
 <li>
 Advanced SQL skills
 </li>
 <li>
 High proficiency in Python or R
 </li>
 <li>
 Excellent communication skills
 </li>
 <li>
 Passion and interest in games
 </li>
 <li>
 Appreciation and understanding of teamwork
 </li>
 </ul>
</div>

Explore 1109+ Data scientist operations research optimization in Istanbul this December. Find roles across top companies and apply now to boost your career.

1109 data scientist operations research optimization jobs IN Istanbul

Data Scientist (Operations Research & Optimization)

Data Scientist

Junior Data Scientist - AI & Machine Learning

Senior Data Scientist

Data Scientist

Associate Scientist - Istanbul

Data Scientist