Senior Data Science Specialist
HCLTech
Databricks (Delta Lake, Unity Catalog) Snowflake (Snowpark, Cortex AI) Agentic AI & LLMs (LangChain, AutoGen) Modern ETL/ELT (dbt, Airflow) Azure / AWS / GCP Vector DBs (Pinecone, Qdrant) PySpark & SQL Legacy Architecture Modernizatio
Key Responsibilities
- Lead the design and deployment of advanced machine learning models, AI solutions, and predictive analytics.
- Develop and refine complex algorithms for large-scale data processing, feature engineering, and pattern recognition.
- Conduct deep exploratory data analysis, visualization, and statistical modeling to extract actionable insights.
- Partner with business and technology leaders to integrate data-driven solutions into enterprise strategies.
- Implement deep learning, natural language processing, and big data technologies to enhance analytics capabilities.
- Drive data governance, model interpretability, and ethical AI practices for responsible data science implementation.
- Optimize, automate, and scale data science pipelines for improved operational efficiency and impact.
- Mentor junior data scientists, foster a data-driven culture, and stay ahead of emerging trends in AI and analytics.
Skill Requirements
Modern Data Platforms:
Deep hands-on expertise with Databricks (Delta Lake, Delta Live Tables, Unity Catalog) and/or Snowflake (Snowpark, Dynamic Tables, Cortex AI, Stream & Tasks).
Generative AI & Agentic Workflows:
Demonstrated experience building GenAI/LLM solutions, agentic frameworks (e.g., LangChain, LlamaIndex, AutoGen, CrewAI), semantic search, and vector database integrations (e.g., Pinecone, Qdrant, Chroma).
Large-Scale Data Handling:
Proven track record of designing and operating large-scale distributed data processing systems with PySpark, Spark SQL, and parallel computing architectures handling multi-terabyte to petabyte datasets.
Multi-Cloud Infrastructure:
Proficient in cloud-native data architecture across at least two major cloud providers (Azure, AWS, GCP), including cloud storage, IAM, serverless compute, and security patterns. Software & Data Engineering Practices: Advanced proficiency in Python and SQL; solid experience with CI/ CD, dbt, Airflow, Docker, Git, unit testing, and Infrastructure as Code (Terraform). Legacy Modernization Experience : Tangible experience refactoring and migrating legacy ETL workflows (e.g., SSIS, Informatica, Teradata, Netezza, legacy Hadoop/HDFS) to modern cloud stack architectures.
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