Our client Spark AI is looking for Senior Backend Developer in Lahore. Job Description: Role Overview: We are looking for a highly skilled Senior Python Developer with expertise - in Generative AI and Retrieval-Augmented Generation (RAG). The ideal candidate should have hands-on experience in LLMs, prompt engineering, vector databases, and AI-driven application development. Key Responsibilities: - Familiarity with Graph Databases like Neo4j - Develop and optimize LLM-powered applications using Python. - Implement Retrieval-Augmented Generation (RAG) pipelines for AI-driven search and content generation. - Design and fine-tune prompt engineering strategies for better AI responses. - Integrate OpenAI, LangChain, Hugging Face, and other AI frameworks into scalable applications. - Optimize ML models and deployments using Docker, FastAPI, Flask, and other frameworks. - Collaborate with cross-functional teams to deliver AI-powered solutions. Requirements: - Experience in LLMs, OpenAI API, LangChain, Hugging Face - Proficiency in RAG - Understanding of NLP, embeddings, and knowledge graphs - Familiarity with cloud services (AWS, GCP, Azure) - Experience in API development (FastAPI, Flask, Django, Rest) - Knowledge of MLOps & model deployment is a plus