National Testing Center (NTC)

📍 Astana / office work

We are looking for a Data Scientist to develop and implement solutions based on artificial intelligence, machine learning, and natural language processing.

Responsibilities:

• Development of AI solutions for educational systems
• Designing NLP models for text understanding and generation
• Development of automated pipelines for checking and evaluating answers
• Conducting experiments with large language models (LLM), prompts, and fine-tuning methods
• Data preparation, processing, and analysis
• Model quality evaluation and experiment conducting

Requirements:

• 2+ years of experience in Data Science, Machine Learning, or NLP
• Good understanding of machine learning and deep learning fundamentals
• Proficient in Python
• Advanced SQL level
• Experience with libraries for data analysis and machine learning:
  • NumPy
  • pandas
  • scikit-learn
• Experience with deep learning frameworks:
  • PyTorch
  • TensorFlow — will be an advantage
• Experience in solving NLP tasks: classification, text generation, information extraction, and semantic similarity assessment
• Understanding of modern LLM approaches: SFT, LoRA/QLoRA, adapters, and prompt engineering
• Knowledge of key metrics for evaluating ML and NLP model quality
• Experience with Git

Will be an advantage:

• Practical experience in fine-tuning large language models
• Experience with LangChain or LlamaIndex
• Experience in developing APIs using FastAPI
• Experience in speech processing and working with Whisper, SpeechBrain, or torchaudio libraries
• Experience in deploying ML models into production

Contacts - recruiter contact