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.

Responsibilities:

• 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.

What we expect from you:

• 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.

What we offer:

• Competitive compensation packages.
• Stable employment, based on a full-time employment contract.
• Private health insurance (Medicover 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.
• Friendly, motivating atmosphere.
• Active corporate life.

If you feel you’re ready to join the team, apply for this job now! We’re already looking forward to meeting you!