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Senior Research Engineer

Tata Consultancy Services

4 - 8 years

Chennai

Posted: 19/02/2026

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Job Description

Job Title: Software Engineer / Sr. Research Engineer

Location: Chennai/Bangalore/Pune /Hyderabad

Experience: 4-8 Years


Deep Learning and NLP Skills:

  • Proficiency in building and training deep neural networks using frameworks like TensorFlow, PyTorch, etc.
  • Understanding of transformer architectures like BERT, GPT, T5, etc.
  • Knowledge of sequence-to-sequence models, attention mechanisms, and embeddings.
  • Experience with NLP tasks such as tokenization, named entity recognition, and sentiment analysis.

Reinforcement Learning:

  • Strong understanding of the fundamentals of reinforcement learning, including concepts like Markov Decision Processes, Q-learning, and policy gradients.
  • Experience with modern RL libraries like OpenAI Gym, Ray's RLlib, or Stable Baselines.
  • Practical knowledge of reinforcement learning in non-stationary environments and using human feedback as rewards.

Optimization Techniques:

  • Familiarity with techniques like gradient clipping, learning rate schedules, regularization, and dropout.
  • Understanding of distributed training and optimization techniques to handle large datasets and models.

Computational Skills:

  • Proficiency in Python and other programming languages common in the AI/ML domain.
  • Knowledge of GPU and TPU computation, especially in the context of deep learning.

Research Acumen:

  • Ability to read, understand, and implement findings from scientific papers, especially those related to LLMs and their optimizations.
  • Contributions to the AI research community through publications, conferences, or open-source projects can be an advantage.

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