Sr Data Scientist (NLP / LLM / Generative AI)Location: Dallas, TX Roles & Responsibilities : - Design, build, fine-tune, and deploy LLMs, transformer-based NLP models, and GenAI solutions for both batch and real-time/streaming contexts. - Own all major components of ML pipelines: data ingestion, cleaning, pre-processing (structured & unstructured), embedding, search & retrieval, prompt engineering, RAG (Retrieval-Augmented Generation). - Collaborate closely with ML Engineers, MLOps, software engineering, product, compliance, legal etc., to move models from prototype to production—ensuring reliability, scalability, monitoring, and maintainability. - Define and implement evaluation frameworks: accuracy, bias, fairness, hallucination, consistency, latency; run UAT, stress-tests, drift detection. - Optimize models and pipelines for performance, cost, and efficiency. - Ensure best practices in model development: version control, repeatability, documentation, governance, and ethical AI use. - Mentor more junior data scientists; help build team skills in NLP, GenAI practices, prompt engineering, fine-tuning. - Identify new use cases; prototype innovations in GenAI/NLP; keep up with latest research and open source developments, decide what to adopt.Must-Have Qualifications: - 10+ years of experience in data science / ML, with substantial work in NLP, LLMs, or Generative AI. - Deep hands-on experience in Python, using frameworks like PyTorch, TensorFlow, HuggingFace etc. - Proven track record building transformer/NLP / LLM models; experience with fine-tuning, prompt engineering. - Solid experience with information retrieval / search: keyword + semantic search, embeddings, vector databases. - Experience working in production / deploying models (batch and streaming), working with MLOps practices. - Strong algorithmic / statistical / mathematical fundamentals. Ability to reason about model behaviour, bias, uncertainty. - Good communicator: able to translate complex technical detail to business / non-technical stakeholders.Nice to Have: - Master's in Computer Science, Computational Linguistics, Statistics, Machine Learning or related field. - Experience with multimodal models (vision+ text) or emerging LLMs and agent-based systems. - Experience with open source LLMs & toolkits; familiarity with LangChain or similar frameworks. - Prior experience in regulated environments (finance, risk, legal, compliance) with strong governance, privacy requirements.
This position is temporarily remote.
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