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AI Engineer 4 (AI Foundations: LLM Customization, Finetuning, Reinforcement Learning)

New York, NY, US💼 Full-time💰 $197,300–$197,300🗓 2026-09-18 → 2026-09-25

Core

Design, develop, test, deploy, and support large-scale AI systems including foundation model training, LLM inference, agents, and multi-agent workflows for banking applications.

Role type

Senior IC AI Engineer (LLM & RL)

Builds

Proprietary AI platforms and services that enhance customer experiences and internal associate tools

Domain

Financial Services / Large Language Models / Reinforcement Learning

Deliverable

production ML models

Required skills

Python, Go, CUDA, Java, PyTorch, AWS Ultraclusters, Huggingface, VectorDBs, model optimization, SLO definition, distributed systems design, GPU/TPU optimization

Preferred skills

Leading AI system development, cloud deployment (AWS/GCP/Azure), agentic AI workflows, petabyte-scale inference, AI model governance, architectural influence

Technologies

AWS Ultraclusters, Huggingface, VectorDBs, PyTorch, CUDA

Responsibilities

Partner with cross-functional teams to deliver AI-powered products; Invent and introduce state-of-the-art foundation model optimization techniques; Own end-to-end architecture for complex AI systems; Define and maintain SLOs for AI reliability; Collaborate with infrastructure engineering to optimize GPU/TPU utilization; Mentor Principal and Senior Associates

Seniority

Senior, hands-on IC

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