Expert Data Scientist (AI)

📌 Who Are We?Since 2005, Kafein Technology Solutions has been delivering services, solutions, and products to meet the software and technology management needs of its national and international customers in the technology, banking, telecommunications, tourism, services, retail, and insurance sectors. The company has successfully implemented projects in areas such as mobile payment systems, e-commerce, and telecommunications, as well as advanced fields like big data analytics, KVKK compliance, cybersecurity, and mobile application development. These projects are utilized by leading institutions in Turkey and around the world.In addition to its comprehensive services and solutions, Kafein Technology continues to drive innovation in the sector through its global business partnerships and R&D projects conducted in the technopark, a designated technology development zone.With its rich product portfolio designed to meet customer needs, Kafein Technology develops innovative solutions that deliver a competitive edge in the field of data governance and security. TDM, which streamlines testing processes with intelligent data usage; Dataskope, a tool for monitoring and preventing database activity; Data Touch, a user-friendly data management solution; and Data Focus, a robust data governance tool for protecting sensitive data are among its standout solutions.Closely following the advancements in the technology sector and focusing on innovations in the this field, Kafein Technology offers comprehensive services and solutions tailored to its customers' needs with its All-in Cyber brand in the field of Cyber security and All-in Cloud brand in the field of Cloud solutions. All-in Cyber focuses on cybersecurity by integrating processes, people, and technology to enhance information security and create an effective defense against cyberattacks. Meanwhile, All-in Cloud, established through Kafein Technology's strategic partnership with Google Cloud, makes cloud technologies accessible, providing innovative solutions that drive growth, innovation, and digital transformation for its customers.Kafein Technology leverages its subsidiaries to expand the range of services, solutions, and products it provides. Among these subsidiaries are Karmasis and Apifort Software, both of which offers a successful product portfolio in the field of cybersecurity.As the 15th publicly traded IT company in Turkey, Kafein Technology achieved an average annual growth rate of 70% consolidated from 2018 to 2023. With its team of 750 professionals, global customers, and business partners, it continues to pursue its innovative vision focused on quality and satisfaction, further strengthening its position among the leading companies in the sector.🎯 Job Description and General QualificationsBachelor’s degree in Computer Science, Engineering, Mathematics or a related field (Master’s is a plus),5+ years of experience in AI/ML engineering, data science engineering or applied machine learning roles,Proven track record of building and running LLM-based applications in production — not only prototypes or notebooks,Deep, hands-on experience with retrieval-augmented generation (RAG): embeddings, vector databases, retrieval quality tuning and context design,Hands-on experience with agentic AI workflows, tool calling and orchestration frameworks,Practical experience with fine-tuning and model adaptation techniques (SFT, LoRA/QLoRA, parameter-efficient tuning) and the surrounding data preparation work,Strong command of prompt engineering and systematic LLM evaluation methods,Strong programming skills in Python and solid software engineering best practices (testing, CI/CD, code quality, design patterns),Familiarity with model serving and inference optimization and with AI infrastructure components,Experience with cloud or containerized environments such as Kubernetes and OpenShift,Good knowledge of MLOps/LLMOps, model lifecycle management, observability and monitoring,Experience with data processing frameworks such as Apache Spark, dbt, Airflow or similar technologies is a plus,Experience leading technical workstreams and mentoring other engineers,Excellent communication skills in English and Turkish, with a proactive, ownership-driven mindset.🌟 Why Us?A corporate and dynamic structureA hybrid working modelComprehensive training and development opportunitiesA team that leads technology and is open to learningA culture that invests in technologyR&D and innovation-focused projectsAn inclusive work culture that values team spiritSocial events and internal communication activities🚀 Join Us and Shape the Future Together!🔐 KVKK Aydınlatma MetniBaşvurunuz sırasında bizimle paylaşacağınız kişisel verileriniz, 6698 sayılı Kişisel Verilerin Korunması Kanunu (KVKK) kapsamında yalnızca başvuru değerlendirme ve işe alım süreçlerinin yürütülmesi amacıyla Kafein Yazılım Hizmetleri Tic. A.Ş. tarafından işlenecek ve gerekli güvenlik önlemleri alınarak saklanacaktır. Bu işe başvurarak, özgeçmişinizin veri tabanımızda yer almasını kabul etmiş olduğunuzu bildirmek isteriz.Detaylı bilgiye KVKK Aydınlatma Metnimizden ulaşabilirsiniz.