Senior Data Scientist – NLP​/LLM Specialist

Senior Data Scientist – NLP/LLM Specialist

Recruitment began on September 4, 2025

and the job listing Expires on March 4, 2026

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We are a global consulting company that fosters a highly collaborative and inclusive culture, encouraging creativity, growth, and innovation. With a team of over 1,000 professionals across 50 global markets, we partners with world-class clients to solve complex business challenges across diverse industries. Our company values a “builder’s mindset,” empowering employees to create new solutions, develop lasting impact, and grow their careers in a supportive environment.

The company is seeking an exceptional Senior Data Scientist with deep expertise in Natural Language Processing and Large Language Models to join the consulting practice. You’ll work directly with Fortune 500 clients to solve complex business challenges using state-of-the-art AI technologies across diverse industries.

You combine academic rigor with practical engineering skills and exceptional client communication abilities. You will work end-to-end from project initiation through client delivery, comfortable both building sophisticated algorithms and presenting findings directly to clients. You excel at automating repetitive tasks and developing reusable frameworks that scale across multiple engagements. You should be comfortable implementing cutting-edge research while translating complex technical concepts into actionable business strategies.

Strong presentation skills and the ability to build trust with senior executives are essential.

• Lead client workshops and discovery sessions to identify NLP opportunities
• Develop and present technical proposals to C-level executives
• Manage multiple client projects simultaneously while maintaining quality and timelines
• Design and implement novel NLP solutions for complex business problems
• Architect scalable solutions for processing and analyzing large text corpora
• Build custom language models tailored to each client’s unique industry challenges
• Automate repetitive analytical tasks and develop reusable algorithmic frameworks
• Mentor junior data scientists and provide technical guidance on NLP projects
• Develop automated content analysis, document processing, and customer insight systems
• Create scalable text analytics platforms that drive measurable business outcomes
• Work across retail, finance, healthcare, and media sectors
• Translate complex AI capabilities into clear business value propositions

• Languages:
  
  Python (primary), R, SQL, potentially C++ for optimization
• ML Frameworks:
  PyTorch, Tensor Flow, Hugging Face Transformers
• Tools: MLflow, Weights & Biases, Apache Airflow, Spark, Vector databases

• PhD in Computer Science, Computational Linguistics, Statistics, Mathematics, Economics, Econometrics, or related quantitative field
• Minimum 5 years of professional experience in data science, machine learning, or related roles
• Advanced NLP expertise:
  Deep understanding of transformer architectures, attention mechanisms, and modern NLP techniques
• Large Language Model proficiency:
  Hands-on experience with LLM fine-tuning, prompt engineering, RLHF, and deployment at scale
• Programming mastery:
  Expert-level Python, with strong knowledge of PyTorch/Tensor Flow, Hugging Face ecosystem
• MLOps & Infrastructure:
  Experience with model deployment, monitoring, and scaling in production environments
• Experience writing production code and ensuring well-managed software delivery
• Experience with foundation models (GPT, BERT, T5, LLaMA, etc.)
• Knowledge of retrieval-augmented generation (RAG) systems
• Understanding of model compression techniques (quantization, distillation, pruning)
• Experience with evaluation metrics and benchmarking for language models

• Experience in consulting or client-facing technical roles
• Knowledge of specialized domains (healthcare NLP, legal AI, financial text…