Gen AI Engineering and Scaled AI Transformation

Citigroup
📍 Mississauga, ON, Canada 💼 Full-time 🕒 Posted June 02, 2026

Job Description

**Role Focus:** **Generative AI Engineering and Scaled AI Transformation for Source to Pay technology group - Hybrid**

**1. Large Language Model (LLM) Strategy & Technical Authority**

+ Acts as a **senior technical authority** on Large Language Models, including both **commercial and open‑source ecosystems** (OpenAI, Gemini, Claude, Llama).
+ Leads **model selection and deployment strategy** , balancing use‑case fit, data sensitivity, cost efficiency, latency, accuracy, and regulatory constraints.
+ Guides decisions on **hosted vs. private vs. fine‑tuned models** , ensuring optimal trade‑offs between performance, control, and operational risk.
+ Establishes **enterprise standards for LLM lifecycle management** , including upgrades, regression validation, and decommissioning.

**2. Hands‑On GenAI Application & Agentic System Design**

+ Demonstrates **hands‑on leadership** in building GenAI applications using **LangChain, LangGraph,...

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Job Details

  • Location Mississauga, ON
  • Job Type Full-time
  • Category other-general
  • Posted Date June 02, 2026
  • Application Deadline June 08, 2026