Irving, United States of America On-site USD 125,760 - 188,640 Yearly

Citi is hiring a Gen AI Developer

About the Role

Role Overview

We are seeking a Senior Generative AI Developer to lead the design and implementation of cutting-edge AI solutions within our enterprise Controls Technology platform. This position plays a central role in advancing automation and operational efficiency through the strategic application of generative AI technologies.

Key Responsibilities

  • Partner with AI architects and cross-functional teams to identify business challenges and develop tailored generative AI solutions.
  • Design, train, and refine large language models using both full and parameter-efficient fine-tuning methods such as LoRA, QLoRA, Adapter Tuning, and Prefix Tuning.
  • Apply advanced techniques including prompt engineering, Retrieval-Augmented Generation (RAG), hybrid search, and multi-vector retrieval to improve model accuracy and relevance.
  • Integrate AI models into production-grade systems, ensuring performance, scalability, and long-term maintainability.
  • Develop real-time and streaming AI pipelines to support dynamic enterprise use cases.
  • Stay informed on emerging trends in generative AI and contribute to internal knowledge sharing and technical innovation.
  • Uphold standards for ethical AI, data privacy, regulatory compliance, and responsible deployment practices.
  • Provide technical mentorship, conduct code reviews, and support the growth of junior developers.

Qualifications and Experience

  • Proven experience working with large language models and applying fine-tuning techniques including instruction tuning and parameter-efficient methods.
  • Strong background in model optimization, including quantization, compression, and deployment tools such as DeepSpeed, vLLM, and GPTQ.
  • Hands-on experience with prompt engineering frameworks and tools like LangChain, LlamaIndex, Langgraph, Crew.ai, autogen, and Hugging Face.
  • Familiarity with major generative AI APIs, including OpenAI, Gemini, and Claude.
  • Proficiency in natural language processing tasks such as named entity recognition, dependency parsing, text classification, and topic modeling.
  • Experience with machine learning frameworks including PyTorch, TensorFlow, and Keras, along with distributed training practices.
  • Working knowledge of containerization (Docker), orchestration (Kubernetes), and CI/CD pipelines for machine learning models.
  • Strong programming skills in Python, API development, and data preprocessing workflows.
  • Minimum of five years in AI/ML roles, with a focus on generative AI applications in enterprise settings.
  • Track record of delivering successful AI projects in business environments.
  • Experience with AWS or comparable cloud platforms for AI and machine learning workloads.
  • Hold a bachelor’s or master’s degree in Computer Science, Data Science, Artificial Intelligence, or a related technical discipline.

Work Environment

This is an onsite role based in Irving, Texas. The workplace emphasizes collaboration, technical rigor, and continuous learning. The team values innovation, ethical AI practices, and a culture of mentorship and shared growth.

Compensation and Benefits

The base salary range for this position is $125,760.00 – $188,640.00. Additional compensation may include discretionary and formulaic incentive awards, as well as retention incentives. Benefits include comprehensive medical, dental, and vision coverage; 401(k) with company match; life and disability insurance; wellness initiatives; and paid time off, including vacation, sick leave, and holidays.

Equal Opportunity Employer

We are committed to providing equal employment opportunities to all qualified individuals. Employment decisions are based on merit, experience, and business need, without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law.

Required Skills
LLMsLoRAQLoRAAdapter TuningPrefix TuningInstruction TuningDeepSpeedvLLMGPTQPrompt EngineeringRAGPyTorchTensorFlowKerasDistributed Training LLMsLoRAQLoRAAdapter TuningPrefix TuningInstruction TuningDeepSpeedvLLMGPTQPrompt EngineeringRAGPyTorchTensorFlowKerasDistributed Training
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About company
Citi
A global financial institution serving clients worldwide, providing financial services and solutions with a focus on responsible banking and economic progress.
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Job Details
Department Software Development
Category data
Posted 2 months ago