Senior/ Lead Generative AI Developer/engineer

Job Overview: We are seeking an experienced Senior Generative AI Developer to help drive the design, development, and integration of state-of-the-art Generative AI solutions across our enterprise Controls Technology platform. You will collaborate with cross-functional teams, contribute deep technical expertise, and play a key role in delivering scalable AI solutions to enhance automation and operational efficiency. Key Responsibilities: Collaborate with AI architects, leads, and stakeholders to design and implement generative AI solutions that address business challenges. Develop, fine-tune, and optimize large language models (LLMs), leveraging both parameter-efficient techniques and full fine-tuning where applicable. Implement and experiment with advanced generative AI methods, including prompt engineering and Retrieval-Augmented Generation (RAG). Support the integration of AI models into production environments, ensuring robust deployment, scalability, and maintainability. Contribute to the development and optimization of real-time and streaming AI solutions. Stay current with the latest advances in generative AI and actively share knowledge with the team. Ensure adherence to ethical AI guidelines, data privacy, and compliance standards. Mentor junior team members, provide code reviews, and foster a culture of technical excellence. Required Technical Skills: Strong hands-on experience with LLMs and fine-tuning methods such as LoRA, QLoRA, Adapter/Prefix Tuning, and instruction tuning. Practical knowledge of model optimization (compression, quantization) and familiarity with tools such as DeepSpeed, vLLM, GPTQ, or similar. Proficient in prompt engineering and familiarity with prompt design tools/frameworks. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Systems & Engineering ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster.