Senior Lead Engineer - NLP/LLM (7-9 yrs)

Job Description :

Role And Responsibilities :

- We- re seeking a motivated and enthusiastic NLP practitioner to contribute to solving complex problems for our clients. In this role,

you will work on internal product development and support client-focused projects, with exposure to the pharma domain being a

plus. You'll collaborate with experienced team members and learn to create impactful AI solutions while optimizing and developing

GenAI applications. Your responsibilities will include :

- Supporting the design, development, and deployment of GenAI solutions, learning to address challenges like hallucinations, bias, and latency, while contributing to performance and reliability improvements.

- Collaborating with both internal teams and external stakeholders, particularly in the pharma space, to understand business requirements and contribute to the development of tailored AI-powered systems.

- Assisting in the full lifecycle of AI project delivery, including ideation, model fine-tuning, deployment, and performance monitoring under the guidance of senior team members.

- Learning and applying fine-tuning techniques (such as LoRA, PEFT) to Large Language Models (LLMs) for specific business needs.

- Assisting in the development of scalable pipelines for AI model deployment, including handling error management, monitoring, and retraining strategies.

- Actively participating in a collaborative environment, sharing ideas and working as part of a dynamic team of data scientists and AI engineers.

EXPERTISE AND QUALIFICATIONS :

Who do we expect?

Key Responsibilities :

- Design, develop, and deploy NLP & Generative AI solutions, leveraging Large Language Models (LLMs), fine-tuning techniques, and AI-powered automation.

- Lead research and implementation of advanced NLP techniques, including transformers, embeddings, retrievalaugmented generation (RAG), and multi-modal models.

- Architect scalable NLP pipelines for text processing, entity recognition, summarization, question answering, and conversational AI.

- Develop and optimize LLM-powered chatbots, virtual assistants, and AI agents, ensuring efficiency, accuracy, and contextual awareness.

- Implement Agentic AI systems, enabling autonomous workflows powered by LLMs and task orchestration frameworks.

Ensure LLM observability and guardrails, enhancing model monitoring, safety, fairness, and compliance in production environments.

- Optimize inference pipelines, leveraging quantization, model distillation, and retrieval-enhanced generation to improve performance and cost efficiency.

- Lead MLOps initiatives, including CI/CD pipelines, containerization (Docker, Kubernetes), and cloud deployments (AWS,GCP, Azure).

- Collaborate with cross-functional teams to integrate NLP & GenAI solutions into enterprise applications, ensuring robust API development and scalable microservices architecture.

- Mentor junior engineers, drive best practices in NLP/AI model development, and contribute to AI governance in regulated industries like pharma/life sciences.

Key Qualifications :

- 7-9 years of experience in NLP, AI/ML, or data science, with a proven track record of delivering production-grade NLP & GenAI solutions.

- Deep expertise in LLMs, transformer architectures (BERT, GPT, T5, LLaMA, Mistral, etc.), and fine-tuning techniques.

- Strong knowledge of NLP pipelines, including text preprocessing, tokenization, embeddings, and named entity recognition (NER).

- Experience with retrieval-augmented generation (RAG), vector databases (FAISS, Pinecone, Chroma), and prompt engineering.

- Hands-on experience with Agentic AI systems, LLM observability tools, and AI safety guardrails.

- Proficiency in Python and backend development (Django/Flask preferred), with strong API and microservices expertise.

- Familiarity with MLOps, cloud platforms (AWS, GCP, Azure), and scalable model deployment strategies.

- Prior experience in life sciences, pharma, or other regulated industries is a plus.

- A problem-solving mindset with the ability to work independently, drive innovation, and mentor junior engineers.