Qureos

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Senior Data Scientist (Generative AI)

Istanbul, Turkey

Eczacıbaşı Holding


Established by Dr. Nejat F. Eczacıbaşı in 1942, Eczacıbaşı Group is one of Turkey's leading industrial conglomerates, operating primarily in construction products, consumer products, healthcare, and natural resources sectors for both national and international markets. It has a total of 50 entities, including one foreign partnership, more than 13,500 employees also engaging in real estate development, natural resources, and information technology.


What Do We Expect from Our New Team Member?

  • If you can design and implement Generative AI solutions that enhance business value—developing use cases, integrating LLMs into analytical workflows, and building intelligent systems that support decision-making and innovation,
  • If you can lead and contribute to end-to-end Gen AI and advanced analytics projects, transforming data into strategic insights and scalable solutions,
  • If you can design, fine-tune, and deploy LLMs or RAG pipelines to meet specific business needs, ensuring high performance and relevance,
  • If you are passionate about researching cutting-edge Gen AI trends, experimenting with new architectures, and turning prototypes into production-ready tools,
  • If you are capable of monitoring, evaluating, and optimizing Gen AI model performance under evolving conditions and use cases,
  • If you are eager to shape and scale our Gen AI ecosystem, collaborating with other teams and advocating for responsible AI practices.


You are exactly the person we are looking for!


Your team is waiting for you!


What kind of teammate are we looking for?

  • A degree in Engineering, Computer Science, Mathematics, Statistics, or a related field. A Master's or PhD in AI, NLP, or Data Science is a strong plus.
  • Minimum of 5 years of experience in data science, with hands-on experience in Gen AI, NLP, or LLM development.
  • Strong knowledge and experience in training, fine-tuning, and evaluating Large Language Models (LLMs).
  • Hands-on experience with RAG (Retrieval-Augmented Generation) architectures and prompt engineering techniques.
  • Experience developing endpoints, APIs, or lightweight web apps (e.g., Dash, Flask, Streamlit, React) to deliver Gen AI solutions.
  • Ability to optimize Gen AI models for performance, cost-efficiency, and business relevance.
  • Proficiency in Python (Hugging Face Transformers, LangChain, Pandas, Scikit-learn, TensorFlow/PyTorch) and SQL.
  • Experience with cloud platforms, especially Microsoft Azure AI Foundry or AWS, and MLOps tools are a plus.
  • If you enjoy analytical thinking and research, are curious about new technologies, and have a strong desire to learn,
  • If you are prone to teamwork and interpersonal abilities.
  • Proficiency in English is preferred.


«You should live your career, development, life and future at Eczacıbaşı!»


What is here for you?

You can continuously improve your personal, professional, and technical competencies by participating in our education programs that support you and your career,

Opportunities for global opportunities and rotation among more than 120 international markets among more than 40 organizations can always knock on your door,

At Eczacıbaşı, leave entitlements are calculated based on the employee's total work experience and come with your employment,

We always applaud successes with different reward methods,

With work models differentiated according to the nature of the job, you can take advantage of location-independent or hybrid work opportunities and determine your own working hours with flexible working hours,

Being a mother or father at Eczacıbaşı is a privilege. Monthly nursery aid is provided to working mothers at Eczacıbaşı, and working fathers are entitled to 21 days of paternity leave. We are determined to ensure equal opportunities in employment,

We value diversity and do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, or seniority status #WeDoNotDifferentiateBetweenJobsForWomenAndMen.

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