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Senior Data Science Engineer

Job in Los Angeles, Los Angeles County, California, 90079, USA
Listing for: Tata Consultancy Services
Full Time position
Listed on 2026-06-26
Job specializations:
  • IT/Tech
    Machine Learning/ ML Engineer, AI Engineer (Applied/Software), Data Engineering
Salary/Wage Range or Industry Benchmark: 140000 - 160000 USD Yearly USD 140000.00 160000.00 YEAR
Job Description & How to Apply Below

Job Description

We are seeking a highly skilled Data Science Engineer to design and develop scalable ML and Generative AI solutions. The ideal candidate will have deep expertise in Python, hands‑on experience in model training, document processing pipelines, and strong knowledge of vector databases and modern ML/GenAI frameworks.

Must Have Technical/Functional Skill
  • Advanced Python development for ML/AI workloads
  • End‑to‑end ML lifecycle: model training, evaluation, fine‑tuning, and labeling/tagging workflows
  • Generative AI systems design, including LLM‑based application development
  • Prompt engineering optimization for large language models
  • Document AI pipelines: OCR/extraction, parsing, normalization, and text chunking for structured & unstructured data
  • Embedding generation pipelines for semantic search and retrieval
  • Vector similarity search implementation using vector databases
  • ML model integration with Vector DBs and MongoDB
  • Production‑grade ML engineering: scalable, maintainable, and deployment‑ready code
Strong Fit If The Candidate
  • Has expert level Python skills
  • Has hands on experience building ML/GenAI systems, not just theoretical knowledge
  • Has worked on end to end ML pipelines (data → model → deployment)
  • Has experience with document AI, embeddings, and vector search
  • Thinks like an engineer (scalable, maintainable, production ready code)
Likely Not a Fit If The Candidate Is
  • Primarily a BI / reporting analyst
  • Focused only on statistical modeling or academic research
  • Lacking experience with deployment, pipelines, or GenAI systems
Key Responsibilities
  • Develop and deploy machine learning and GenAI solutions using Python
  • Design and optimize prompt engineering strategies for LLM-based applications
  • Build document extraction, parsing, and chunking pipelines for structured and unstructured data
  • Train, evaluate, and fine‑tune ML models; manage tagging and labeling workflows
  • Implement embedding generation and vector search solutions
  • Integrate ML models with Vector DBs and MongoDB
  • Ensure code quality, scalability, and production readiness

Salary Range: $140,000-$160,000 a year

TCS Employee Benefits Summary
  • Discretionary Annual Incentive.
  • Comprehensive Medical Coverage:
    Medical, Dental, Vision, Disability Planning & Insurance, Pet Insurance Plans.
  • Family Support:
    Maternal & Parental Leaves.
  • Insurance Options:
    Auto, Home Insurance, Identity Theft Protection.
  • Convenience & Professional Growth:
    Commuter Benefits & Certification & Training Reimbursement.
  • Time Off:
    Vacation, Time Off, Sick Leave & Holidays.
  • Legal & Financial Assistance:
    Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.
Qualifications

BACHELOR OF COMPUTER SCIENCE

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Position Requirements
10+ Years work experience
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