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. + Experience building RAG systems, including hybrid search and multi-vector retrieval. + Proficient with machine learning frameworks (PyTorch, TensorFlow, Keras) and distributed training. + Strong skills in NLP (NER, Dependency Parsing, Text Classification, Topic Modeling), transfer learning, and advanced learning paradigms. + Experience with containerization (Docker), orchestration (Kubernetes), and CI/CD pipelines for ML models. + Familiarity with generative AI tools like LangChain, LlamaIndex, Langgraph, Crew.ai, Autogen, Hugging Face, and major GenAI APIs (OpenAI, Gemini, Claude, etc.). + Solid understanding of AI compliance, guardrails, and responsible AI practices. + Strong skills in Python and experience with data preprocessing, feature engineering, and API development. **Required Soft Skills:** + Strong collaboration skills to work effectively in cross-functional teams. + Analytical and proactive approach to problem-solving. + Clear communication skills for both technical and non-technical audiences. + Eagerness to learn, innovate, and mentor less experienced developers. **Qualifications:** + Bachelor’s or master’s degree in Computer Science, Data Science, AI, or a related field. + 5–7 years of experience in AI/ML, including significant experience in Generative AI. + Demonstrated portfolio of successful AI-driven projects in a business environment. + Experience working with AWS (or equivalent) cloud infrastructure for AI/ML. ------------------------------------------------------ **Job Family Group:** Technology ------------------------------------------------------ **Job Family:** Applications Development ------------------------------------------------------ **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 (https://www.citigroup.com/citi/accessibility/application-accessibility.htm)_ _._ _View Citi’s_ _EEO Policy Statement (https://www.citigroup.com/global/eeo-aa-policy)_ _and the_ _Know Your Rights (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf)_ _poster._ Citi is an equal opportunity and affirmative action employer. Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.