[Hiring] Data Science Lead @Nexthire

Role Description

We are seeking a highly experienced and innovative Data Science Lead with 8+ years of expertise in core data science concepts and around 2+ years of focused, hands-on experience in Natural Language Processing (NLP) and Generative AI (GenAI). You will lead strategic AI/ML initiatives, mentor junior data scientists, and deliver intelligent solutions that drive business value using both classical and modern machine learning techniques.

Key Responsibilities

• Lead end-to-end design and delivery of data science solutions, from problem definition to deployment.
• Design, build, and fine-tune NLP and GenAI models for tasks such as summarization, classification, question answering, translation, and chatbot applications.
• Apply statistical modeling, predictive analytics, and machine learning algorithms on structured and unstructured datasets.
• Collaborate with product, engineering, and business teams to translate high-level business problems into data science solutions.
• Ensure scalability, reproducibility, and performance optimization in all machine learning workflows.
• Work with large-scale data processing tools and frameworks in cloud-based environments.
• Mentor and review work of junior data scientists and collaborate on research and experimentation.
• Track advancements in GenAI, LLMs, and NLP frameworks and bring innovation to enterprise AI use cases.

Qualifications

• Python: Strong proficiency in Python for data science, modeling, and scripting.
• Machine Learning: Hands-on with classical and ensemble models (e.g., Random Forest, XGBoost).
• NLP (2+ years): Experience with transformers, tokenization, embeddings, sentiment analysis.
• GenAI & LLMs: Working with GPT-like models, fine-tuning, prompt engineering.
• Deep Learning (PyTorch / TensorFlow): Building and training deep learning models for NLP and other domains.
• Model Deployment: Deploying models via REST APIs, Docker, or cloud-native services.
• SQL & Data Manipulation: Strong ability to query, clean, and process data.
• Statistical Analysis: Applied statistics, hypothesis testing, and A/B testing.
• Version Control (Git): Experience using Git in collaborative environments.

Optional/nice-to-have skills

• Vector Databases: Experience with FAISS, Pinecone, or ChromaDB for semantic search.
• RAG Architecture: Building Retrieval-Augmented Generation pipelines.
• LLM Orchestration: LangChain, LlamaIndex, or similar frameworks.
• Cloud Platforms (Azure/GCP/AWS): Cloud-based ML workflows, pipelines, and infrastructure.
• MLOps: Model tracking, monitoring, CI/CD with MLflow, Kubeflow, etc.
• Big Data Tools: Spark, Databricks, or Hadoop ecosystem familiarity.
• Experiment Tracking: Tools like Weights & Biases, MLflow.
• Academic Research / Publications: Experience publishing whitepapers or research contributions.
• Hand-on experience with Databricks, preferably Azure Databricks platform.
• Hand-on experience with Delta Lake, preferably Azure Databricks and ADLS Gen2 platforms.

Educational Qualifications

• Master's or PhD in Computer Science, Data Science, AI/ML, Statistics, or a related field.

Certifications (preferred but not mandatory)

• Google Cloud or Azure AI Engineer / Data Scientist Associate.
• Databricks Certified Machine Learning Professional.
• DeepLearning.AI Generative AI certification.
• Hugging Face Transformers certification.