Senior Data Scientist @ NIX Tech Kft.

English level Upper Intermediate +. Strong mathematical and statistical background, including tensor calculus. Expertise in databases such as Postgres, MongoDB, and SQL. Proficiency in Python, with extensive experience in libraries such as Scikit-learn, Numpy, Pandas, and Matplotlib. In-depth knowledge and experience with gradient boosting algorithms (e.g., XGBoost, LightGBM). Advanced experience with at least one neural network framework (TensorFlow/Keras, PyTorch), with a deep understanding of neural network architectures and optimisation techniques. Proven commercial experience with classic machine learning and deep learning, including NLP and computer vision (e.g., BERT, ResNet). Experience in applying LLMs and Generative AI technologies (e.g., GPT, transformer-based architectures) in real-world use cases. Extensive experience in building end-to-end machine learning pipelines (data ingestion, preprocessing, model training, deployment, inference) and managing CI/CD workflows using GitHub/GitLab. Practical experience with Docker or Kubernetes platforms for deployment and scalability. Commercial experience with cloud platforms like AWS or Azure. WILL BE A PLUS: Familiarity with big data tools such as Spark and Airflow. NIX, a global supplier of software engineering and IT outsourcing services, is looking for a Senior Data Scientist in its office in Budapest (Vaci Greens, 13th district). You’ll be part of a team of professionals who are ready to find the best tailor-made IT solutions for their multinational clients in various industries and solve complex problems. WHAT WE OFFER: Competitive compensation packages. Stable employment, based on a full-time employment contract. Private health insurance (Medicare Сlinic). AYCM sport pass, providing discounts at various sports facilities in Hungary. Interesting tasks and diverse opportunities for developing your skills. Free training courses, including English. Participation in internal and external thematic events, technical conferences. A spacious office in the heart of Budapest (13th district). All necessary devices and tools for your work. Active corporate life. The friendly and supportive atmosphere within the team. If you feel you’re ready to join the team, apply for this job now We’re already looking forward to meeting you ,[Lead the development and deployment of robust data science and machine learning pipelines, from data retrieval and preprocessing to model training, inferencing and results visualisation., Take ownership of the architecture and optimisation of DS/ML pipelines to ensure scalability and efficiency., Leverage ML models to build innovative solutions for tasks such as text generation, content automation, and more., Collaborate with cross-functional teams to integrate advanced data solutions that meet evolving business needs., Guide tools, strategies, and best practices to solve complex data science problems, including those involving LLMs and Generative AI., Share expertise with the team and across departments to elevate the overall technical capabilities of the organisation., Proactively identify opportunities to improve data processes, model performance and business impact.] Requirements: Data science, Postgres, MongoDB, SQL, Python, scikit-learn, NumPy, pandas, Matplotlib, XGBoost, LightGBM, TensorFlow, Keras, PyTorch, NLP, LLMs, Generative AI , end-to-end machine learning pipelines, CI/CD workflows, GitHub/GitLab, Docker, Kubernetes, AWS, Azure, Spark, Airflow Additionally: International projects, Paid English courses, Mentoring program, Bike parking, Free coffee, Playroom, Shower, Free snacks, Modern office, No dress code.