Senior Gen AI Developer, Citi

Citi

Location:
United States, Irving

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

125760.00 - 188640.00 USD / Year

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Job Description:

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.

Job Responsibility:

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

Requirements:

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
5 plus 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
Bachelor's or master's degree in Computer Science, Data Science, AI, or a related field

Nice to have:

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

What we offer:

Medical, dental & vision coverage
401(k)
Life, accident, and disability insurance
Wellness programs
Paid time off packages including vacation, sick leave, and paid holidays
Discretionary and formulaic incentive and retention awards

Additional Information:

Job Posted:
September 12, 2025

Expiration:
September 18, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior Gen AI Developer