Citigroup, Inc

Lead Agentic AI Engineer - VP (Mississauga)

Citigroup, Inc$120K — $170K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 6-10 years of experience in AI/ML development with a focus on Python technologies.
  • At least 2 years of experience in software development with an emphasis on AI, prompt engineering, or agentic AI systems.
  • Experience as a lead developer for agentic flow design and testing of autonomous AI systems.
  • Expertise in Python application development, ideally with frameworks like Django, Flask, or FastAPI.

Responsibilities

  • Lead the design and deployment of large-scale agentic AI solutions using Google ADK and frameworks like LangChain.
  • Architect and integrate multi-agent systems using multiple LLM providers.
  • Build AI capabilities using advanced tools such as Google Gemini and vector databases.
  • Engineer autonomous agents that utilize planning and multi-step reasoning.
  • Develop scalable backend services in Python with event-driven designs and microservices architecture.
  • Implement secure REST APIs with strong best practices for authentication and encryption.
  • Mentor AI/ML engineers and collaborate with business units to enhance AI solutions.

Benefits

  • Opportunities for professional development and continuous learning.
  • Access to advanced technologies and projects in AI and machine learning.
  • Collaboration with diverse teams across a global banking organization.
  • A hands-on role with a strong impact on business efficiency and risk reduction.
Full Job Description
About the Role

Citi's Wholesale Technology organization is seeking an exceptional, hands-on Lead Agentic AI Engineer (VP) to design, build, and deploy cutting-edge agentic AI solutions. This role combines deep technical leadership with architectural ownership - driving adoption of LLMs, agentic workflows, and generative AI platforms to improve efficiency, automation, and risk reduction across Citi's global banking operations. You will operate with an AI-first mindset, emphasizing rapid prototyping, MVP-driven development, and iterative delivery of production-grade AI capabilities.

Key Responsibilities

Agentic AI Design & Engineering
  • Lead end-to-end design, development, and deployment of large-scale agentic AI solutions using Google Agent Development Kit (ADK) and frameworks such as LangChain, LangGraph
  • Architect advanced multi-agent systems (perception, reasoning, planning, execution) integrating multiple LLM providers (OpenAI, Anthropic, Google Gemini).
  • Build AI-powered capabilities using Google Gemini, Vertex AI, Agent Development Kit (ADK), Google A2UI, vector databases, RAG pipelines, semantic search, and advanced prompt and context management.
  • Engineer autonomous agents incorporating planning, tool usage, memory management, and multi-step reasoning patterns.


Full-Stack AI & Backend Engineering
  • Develop scalable, high-performance backend services in Python (FastAPI, asyncio) with resilient APIs, event-driven designs, and microservices architectures.
  • Build and maintain robust data pipelines working with SQL (Oracle, PostgreSQL) and NoSQL (MongoDB) databases.
  • Implement secure REST APIs and agent interfaces with strong authentication, authorization (OAuth), and encryption best practices.
  • Optimize AI agent performance, latency, and cost through prompt optimization, caching strategies, and vector index tuning.

Architecture, Strategy & Best Practices
  • Provide architectural guidance for Next-Generation AI (NGAI) initiatives, ensuring adherence to CTO guidelines and platform standards.
  • Develop and maintain a strategic roadmap for generative AI adoption, evaluating new models, techniques, and platforms.
  • Establish and govern best practices for the full AI development lifecycle: prompt engineering, model evaluation, MLOps, and data management.


CI/CD, MLOps & Observability
  • Drive CI/CD practices integrating automated testing, agent evaluation, code quality gates, containerization, and cloud-native deployment pipelines.
  • Automate AI model quality, performance testing, and MLOps build processing in the CI/CD pipeline.


Leadership, Mentorship & Collaboration
  • Mentor AI/ML Engineers on best practices in agentic AI development, Google ADK, and advanced AI technologies.
  • Champion MVP-driven delivery, rapid iteration, and A/B experimentation to achieve fast time-to-value.
  • Collaborate with business units to identify high-impact use cases and ensure AI solutions meet business goals.


Required Qualifications & Skills

Experience
  • 6-10 years of relevant experience in an AI/ML development role, Applications Development, or Systems Analysis, with a substantial and demonstrated focus on Python technologies.
  • Minimum 2+ years of professional experience in software development with a focus on AI, prompt engineering, machine learning, and/or agentic AI systems.
  • Proven track record as a lead developer for agentic flow design, prompt design, and testing of autonomous AI systems with deep expertise in Google ADK.
  • Subject Matter Expert (SME) in at least one area of Applications Development, particularly Python application development (Django, Flask, FastAPI).


Programming
  • Python (expert-level): FastAPI, Django, Flask, asyncio, PySpark - strong fundamentals in algorithms, data structures, concurrency, and design patterns.
  • Proficient in Java (Spring Boot, Spring Cloud), JavaScript/TypeScript (React, Next.js, Node.js), and SQL/data modeling.
  • Experience across AWS, Azure, and GCP with Docker, Kubernetes, and CI/CD pipelines. Proficient in MLOps practices including model versioning, deployment, and lifecycle management
  • Strong foundation in secure API design, microservices, event-driven architecture, and distributed systems with expertise in testing, Git workflows, and performance optimization.


Agentic AI & LLM Frameworks
  • Deep expertise in LLMs (OpenAI GPT, Gemini, Claude, Llama) with hands-on experience in LangChain, LangGraph, LlamaIndex, AutoGen, CrewAI, and Google ADK.
  • Familiar with Vertex AI, MCPs, agent communication standards, and AI coding tools including GitHub Copilot, Devin, and Claude Code.
  • Proven experience building advanced RAG systems (hybrid search, re-ranking, metadata filtering) with vector databases including Pinecone, Weaviate, FAISS, pgvector, and ChromaDB.
  • Hands-on experience in PyTorch, TensorFlow, Keras, and Scikit-learn including fine-tuning and embeddings.

Good to Have
  • Performance Optimization: Redis, Hazelcast; low-latency distributed systems.
  • Data Engineering: ETL/ELT pipelines; Apache Spark, Kafka.
  • Frontend: React, Angular, Vue.js for full-stack capabilities.


Education:
  • Bachelor's degree/University degree or equivalent experience
  • Master's degree preferred


This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

Job Family Group:
Technology

Job Family:
Applications Development

Time Type:
Full time

Primary Location Full Time Salary Range:
$120,800.00 - $170,800.00

Most Relevant Skills
Please see the requirements listed above.

Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.

Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

This job opening is for an existing job vacancy.

About Citigroup, Inc

Citigroup is a financial services holding company that provides financial products and services. The company operates through two segments, Global Consumer Banking (GCB) and Institutional Clients Group (ICG). The GCB segment offers traditional banking services to retail customers through retail banking, commercial banking, Citi-branded cards, and Citi retail services. The ICG segment offers various banking, and financial products and services to corporate, institutional, public sector, and high-net-worth clients. This segment provides wholesale banking products and services, including fixed-income and equity sales and trading, foreign exchange, prime brokerage, derivative services, equity and fixed-income research, corporate lending, investment banking, and advisory services, private banking, cash management, trade finance, and securities services. Citi is committed to sustainability and social responsibility, and the company invests in initiatives that promote economic progress.

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Learn more about Citigroup, Inc
Market Cap
$1.3 billion
Industry
Net Income
$89.6 million
Founded
1812
5 Year Trend
+4.6%
NASDAQ

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