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Senior Data Scientist

Persistent Systems

 

Pune / Bengaluru / Hyderabad

Posted On: 30+ days ago
Experience: 10+ years
Availability: Onsite
Openings: 1
Category: Data Scientist
Tenure: Full-time Only
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Description

Design, build, and deploy machine learning and NLP applications with a heavy focus on Generative AI and Large Language Models.

Responsibilities

  • Develop and implement solution architectures for Generative AI, conversational AI chatbots, and cloud AIaaS.
  • Train, fine-tune, and deploy LLMs using instruction tuning, RLHF, and PEFT (LoRA, adapters).
  • Architect RAG systems and transformer-based solutions using LangChain and SQLChain.
  • Measure and benchmark LLM performance and application scalability.
  • Drive end-to-end implementation and deployment using Azure and AWS services.

Required Skills

  • 10+ years of experience in machine learning and artificial intelligence.
  • Expertise in LLMs including OpenAI GPT, Anthropic Claude, Meta Llama2, and Google Gemini.
  • Hands-on experience with RAG systems, LLM fine-tuning, and Vector Databases.
  • Strong programming skills in Python with a focus on optimization and software design.
  • Deep understanding of ML/DL techniques, including CNN, RNN (LSTM), and Transformers (BERT, BART, GPT/T5, Megatron).
  • Experience training models using PyTorch and performing NLP data wrangling and tokenization.
  • Knowledge of conversational AI, including NLU, NLG, dialog systems, and information retrieval.
  • Proficiency with MLOps workflows and platforms such as Kubeflow, MLFlow, or AirFlow.
  • Database management experience with SQL and MongoDB.

Preferred Skills

  • Experience with project management and guiding teams in a matrix environment.

Education

Bachelor’s or Master’s degree

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