Python Full Stack Developer - VP

Citigroup Inc.; Mississauga; On-site; CAD 121,000 - 171,000; Full time

Job summary

Citigroup Inc. is seeking an Applications Development Technology Lead Analyst in Mississauga. This senior role guides system analysis, programming, and architecture alignment, partnering with management to deploy new products and process improvements.

Strong leadership and full stack capabilities across Python/Java, Spring, Flask, and modern JS frameworks are essential. Applicants should bring 6+ years of experience, experience with cloud-native apps, and familiarity with Gen AI concepts and

Qualifications

• Bachelor’s degree or equivalent experience.
• Master’s degree preferred.
• 6+ years in Apps Development or systems analysis.
• Full stack development with Python and Java.
• Experience with backend frameworks (Spring, Flask).
• Solid frontend frameworks experience (React/Angular/Vue).
• Cloud native applications experience.
• Gen AI concepts exposure and APIs integration.

Responsibilities

• Lead applications systems analysis and programming activities.
• Collaborate with management to define system enhancements.
• Ensure coding, testing, debugging, and implementation standards.
• Develop domain knowledge across architecture and infrastructure.
• Provide in-depth analysis and innovative solutions.
• Mentor mid-level developers and analysts.

Skills

Full stack development

Python/Java

Spring Boot

React/Angular/Vue

Gen AI concepts

AWS/GCP/Azure

Communication

Leadership

Education

Bachelor’s degree

Master’s degree

Tools

Spring Boot

Flask/FastAPI

JavaScript frameworks

Job description

Discover your future at Citi:

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.

Responsibilities

• Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
• Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
• Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
• Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
• Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
• Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutionsServe as advisor or coach to mid-level developers and analysts, allocating work as necessary
• Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Qualifications

• 6+ years of relevant experience in Apps Development or systems analysis role
• Extensive experience system analysis and in programming of software applications
• Experience in managing and implementing successful projects
• Subject Matter Expert (SME) in at least one area of Applications Development
• Ability to adjust priorities quickly as circumstances dictate
• Demonstrated leadership and project management skills
• Consistently demonstrates clear and concise written and verbal communication
• Experience in full stack application development with strong expertise in Python orJava
• Deep experience with backend frameworks such as Spring Boot / Spring Core and Flask / FastAPI
• Solid frontend experience with modern JavaScript frameworks (React, Angular, or Vue)
• Experience designing and delivering scalable, cloud native applications
• Exposure to Gen AI concepts including:
• Large Language Models (LLMs) and transformer based systems
• Prompt engineering and basic agent workflows
• Vector search and retrieval concepts
• Familiarity with Gen AI frameworks/tools such as LangChain, LangGraph, MLflow, or workflow orchestration tools (e.g., n8n) (hands on experience preferred, but deep ML expertise not mandatory)
• Experience integrating Gen AI APIs (OpenAI, Gemini, Claude, etc.) into production applications
• Familiarity with at least one major cloud provider (AWS, GCP, or Azure)

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.

• Experience in full stack application development with strong expertise in Python and Java
• Deep experience with backend frameworks such as Spring Boot / Spring Core and Flask / FastAPI
• Solid frontend experience with modern JavaScript frameworks (React, Angular, or Vue)
• Experience designing and delivering scalable, cloud native applications
• Exposure to Gen AI concepts including:
• Large Language Models (LLMs) and transformer based systems
• Prompt engineering and basic agent workflows
• Vector search and retrieval concepts
• Familiarity with Gen AI frameworks/tools such as LangChain, LangGraph, MLflow, or workflow orchestration tools (e.g., n8n) (hands on experience preferred, but deep ML expertise not mandatory)
• Experience integrating Gen AI APIs (OpenAI, Gemini, Claude, etc.) into production applications
• Familiarity with at least one major cloud provider (AWS, GCP, or Azure)

Job Family Group

Technology

Job Family

Applications Development

Time Type

Full time

Primary Location Full Time Salary Range

$120800,00 - $170800,00

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.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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