Full Stack Application Group Manager

Citigroup Inc.; Mississauga; On-site; CAD 201,000 - 302,000; Full time

Job summary

Citigroup Inc. seeks a senior leader for the Full Stack Application Group Manager role to drive multiple teams and deliver scalable full-stack solutions. The position emphasizes architectural leadership, security, and AI-enabled workflows across React frontends and Python/Java backends.

You will mentor engineers, set standards, manage budgets, and work across the Arc platform, MCP, and LLM gateway integration. A Bachelor's degree and 10+ years of experience are typical expectations.

Qualifications

• 10+ years of relevant experience.
• Strong manager capabilities with a track record of mentoring engineers and driving technical delivery.
• Analytical mindset with a passion for solving complex, ambiguous problems in a fast-paced environment.

Responsibilities

• Manage multiple teams of professionals to accomplish established goals and conduct personnel duties for team (e.g. performance evaluations, hiring and disciplinary actions)
• Provide strategic influence and exercise control over resources, budget management and planning while monitoring end results
• Utilize in-depth knowledge of concepts and procedures within own area and basic knowledge of other areas to resolve issues
• Ensure essential procedures are followed and contribute to defining standards

Skills

React

TypeScript

HTML5

CSS3

Python

Java

LangChain

LangGraph

RESTful APIs

gRPC

WebSockets

MCP

Kubernetes/OpenShift

Docker

OAuth2

OIDC

TLS

HashiCorp Vault

PostgreSQL

Oracle

MongoDB

Couchbase

Education

Bachelor's degree

Tools

LangChain

LangGraph

Celery

Spring Boot

Spring Cloud

Jenkins

Tekton

OpenShift

Job description

The Full Stack Application Group Manageris a senior management level position responsible for accomplishing results through the management of a team or department in an effort to establish and implement new or revised application systems and programs in coordination with the Technology Team. The overall objective of this role is to drive applications systems analysis and programming activities.Responsibilities:

• Manage multiple teams of professionals to accomplish established goals and conduct personnel duties for team (e.g. performance evaluations, hiring and disciplinary actions)
• Provide strategic influence and exercise control over resources, budget management and planning while monitoring end results
• Utilize in-depth knowledge of concepts and procedures within own area and basic knowledge of other areas to resolve issues
• Ensure essential procedures are followed and contribute to defining standards

Technical Leadership & Architecture

• Architect Scalable Solutions:Design and architect secure, resilient, and high-performance full-stack applications capable of supporting complex Agentic AI workflows.
• Define Standards:Establish and enforce technical standards, design patterns, and best practices for full-stack development and AI agent integration across the organization.
• Technology Evaluation:Evaluate emerging AI frameworks, libraries, and tools to continuously evolve our technical stack and maintain a competitive edge.

Full Stack Application Development

• Hands-on Engineering:Lead and contribute to hands-on development across the entire application stack, ensuring clean, modular, and production-ready code.
• Frontend Excellence:Oversee the creation of highly responsive, intuitive, and accessible user interfaces usingReact, TypeScript, Tailwind CSS, and modern state management libraries.
• Robust Backend Services:Design and build scalable microservices and RESTful/gRPC APIs usingPython (FastAPI/Flask)and/orJava (Spring Boot).
• Data Management:Architect data models and integrate with relational databases (PostgreSQL, Oracle) and NoSQL/Vector databases (MongoDB, Couchbase, Milvus, or Pinecone) to support stateful AI operations.

Agentic AI & LLM Integration

• Orchestrate Autonomous Agents:Design and implement stateful, multi-turn, and multi-agent workflows using frameworks such asLangChain, LangGraph, CrewAI, AutoGen, or Semantic Kernel.
• Arc Platform Integration:Deploy and manage agents onArc, Citi's mandatory Agentic AI runtime, ensuring strict compliance with network policies, egress allowlists, and resource quotas.
• Model Context Protocol (MCP):Implement and consumeMCP serversas the mandatory intermediaries to securely mediate agent calls to downstream business systems and databases.
• LLM Gateway Management:Integrate applications withR2D2(Citi's secure GenAI LLM gateway) to access models from Azure, Vertex, and Stellar, managing token usage, rate limits, and billing analytics.

Recommended Qualifications:

• 10+ years of relevant experience
• Strong managerbcapabilities with a track record of mentoring engineers and driving technical delivery.
• Analytical mindset with a passion for solving complex, ambiguous problems in a fast-paced environment.

Technical Stack & Competencies

• Frontend:Deep expertise inReact, TypeScript, HTML5, CSS3,
• Backend:Advanced proficiency inPython(FastAPI, Flask, Celery) and/orJava(Spring Boot, Spring Cloud).
• Agentic AI:Proven experience withLangChain, LangGraph. Solid understanding of Retrieval-Augmented Generation (RAG), vector embeddings, semantic search.
• APIs & Protocols:Strong experience with RESTful APIs, gRPC, WebSockets, andModel Context Protocol (MCP).
• Cloud & DevOps:Hands-on experience withKubernetes / Red Hat OpenShift, Docker, and CI/CD platforms (Harness, Jenkins, or Tekton).
• Security:Strong understanding of enterprise security concepts, including OAuth2, OIDC, TLS, HashiCorp Vault etc
• Databases:Experience with SQL (PostgreSQL, Oracle) and NoSQL (MongoDB, Couchbase) databases.

Education:

• Bachelor’s degree/University degree or equivalent experience

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Primary Location Full Time Salary Range:

$145,100.00 - $217,700.00

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

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.

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