**Job Summary** Prompt Engineering Crafting effective prompts for models like GPT DALLE and Codex. Understanding prompt tuning chaining and context management. 2. API Integration Using APIs from OpenAI Hugging Face Cohere etc. Handling authentication rate limits and response parsing. 3. Model Fine-Tuning & Customization Fine-tuning open-source models (e.g. LLaMA Mistral Falcon). Using tools like LoRA PEFT and Hugging Face Transformers. **Responsibilities** 1. Prompt Engineering Crafting effective prompts for models like GPT DALLE and Codex. Understanding prompt tuning chaining and context management. 2. API Integration Using APIs from OpenAI Hugging Face Cohere etc. Handling authentication rate limits and response parsing. 3. Model Fine-Tuning & Customization Fine-tuning open-source models (e.g. LLaMA Mistral Falcon). Using tools like LoRA PEFT and Hugging Face Transformers. 4. Data Engineering for AI Collecting cleaning and preparing datasets for training or inference. Understanding tokenization and embeddings. 5. LangChain / LlamaIndex Building AI-powered apps with memory tools and retrieval-augmented generation (RAG). Connecting LLMs to external data sources like PDFs databases or APIs. 6. Vector Databases Using Pinecone Weaviate FAISS or Chroma for semantic search and RAG. Understanding embeddings and similarity search. 7. Frontend + GenAI Integration Building GenAI-powered UIs with React Next.js or Flutter. Integrating chatbots image generators or code assistants + 8. Tools : OpenAI HuggingFace LangChain/LamaIndex Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.