GenAI/Python Developer - AI/ML - Newyork, NY - Citi

Job Description: GenAI/Python Developer – AI/ML Role Overview We are looking for an experienced GenAI/Python Developer to design, build, and deploy production-grade Generative AI applications and intelligent agent-based solutions. The ideal candidate will have strong expertise in Python, LangGraph, LangChain, LlamaIndex, RAG, vector databases, LLM integration, and multi-agent architectures . The role requires hands-on experience building scalable AI solutions, integrating commercial and open-source LLMs, fine-tuning models, and optimizing GenAI applications for performance, latency, cost, reliability, and production scalability . Key Responsibilities Design, develop, and orchestrate sophisticated Generative AI workflows using LangGraph, LangChain, and multi-agent architectures . Build and maintain advanced Retrieval-Augmented Generation (RAG) solutions using LlamaIndex and vector databases. Design retrieval pipelines focused on improving the accuracy and relevance of LLM-generated responses . Integrate and evaluate multiple commercial and open-source LLMs , including OpenAI, Anthropic, Llama, and Mistral, based on application, performance, and cost requirements. Develop scalable and high-performance backend services and APIs using Python, FastAPI, and asynchronous programming . Fine-tune and customize LLMs for domain-specific use cases using PyTorch, TensorFlow, Hugging Face, LoRA, and QLoRA . Apply advanced prompt engineering techniques to improve LLM response quality and application performance. Optimize GenAI workflows for latency, cost, scalability, and reliability . Implement monitoring and observability for LLM applications using tools such as LangSmith and Langfuse . Containerize AI applications and services using Docker and support production deployments through CI/CD pipelines. Deploy and maintain GenAI solutions across cloud environments such as AWS, Azure, or GCP . Collaborate with engineering, AI/ML, architecture, and product teams to convert business requirements into scalable AI solutions. Troubleshoot and optimize production AI applications, APIs, retrieval pipelines, and model integrations. Compensation, Benefits and Duration Minimum Compensation: 155,000 USD Maximum Compensation: 217,000 USD Compensation is based on actual experience and qualifications of the candidate. The above is a reasonable and a good faith estimate for the role. Medical, vision, and dental benefits, 401k retirement plan, variable pay/incentives, paid time off, and paid holidays are available for full-time employees. This position is not available for independent contractors No applications will be considered if received more than 120 days after the date of this post.