LLM Engineer

1 day ago

Chennai, Tamil Nadu, India Hexacorp Technical Services Full time ₹ 20,00,000 - ₹ 25,00,000 per year

Job Summary:

We are seeking an experienced and highly motivated LLM Engineer with 5+ years of

experience in AI/ML, NLP, and deep learning. The ideal candidate will have hands-on

expertise in working with large language models (LLMs) such as GPT, LLaMA, Mistral,

Claude, or similar, and a strong understanding of model ne-tuning, prompt

engineering, evaluation, and deployment.

Key Responsibilities:

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Design, develop, ne-tune, and deploy large language models for specic use

cases.

Build and optimize prompt strategies for various downstream tasks (e.g.,

summarization, Q&A, classication).

Work on retrieval-augmented generation (RAG) pipelines and integrate LLMs with

vector databases like FAISS, Pinecone, or Weaviate.

Evaluate LLM performance using metrics such as BLEU, ROUGE, perplexity, and

human-in-the-loop feedback.

Collaborate with data scientists, ML engineers, and product teams to deliver

scalable AI-powered solutions.

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Optimize model performance for latency, throughput, and accuracy.

Stay updated with the latest research and advancements in LLMs and generative

AI.

Required Skills:

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Strong programming skills in Python and familiarity with libraries like Hugging

Face Transformers, LangChain, or LlamaIndex.

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Deep understanding of NLP techniques and transformer-based architectures.

Experience with ne-tuning, LoRA, PEFT, or quantization of LLMs.

Knowledge of vector databases and embedding techniques.

Familiarity with ML Ops tools (MLow, Weights & Biases) and deployment

frameworks (FastAPI, Docker, Kubernetes).

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Experience with cloud platforms (AWS, GCP, or Azure) for training and deploying

models.

Good grasp of data preprocessing, annotation, and model evaluation

techniques.

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