GenAI App Developer Lead Analyst - Python - Vice President

Citigroup Inc.; Tampa (FL); On-site; USD 114,000 - 171,000; Full time

Job summary

Citigroup Inc. seeks a Senior Python Application Developer with 9+ years of hands-on experience to design, develop, and deliver robust, scalable applications in a finance/risk context.

Lead architecture for Python frameworks, build RESTful services, and ensure code quality through reviews while collaborating with Risk, Quants, FO, DevOps and Production Support.

Qualifications

• 9+ years of hands-on experience in Python application development.
• Expert-level Python 3.x with FastAPI and SQLAlchemy.
• Experience with microservices, RESTful APIs and distributed systems.
• Relational and NoSQL databases with advanced SQL.
• CI/CD experience with modern tools and pipelines.
• Unix-based operating systems proficiency.

Responsibilities

• Lead design and architecture of Python frameworks for scalable apps.
• Develop solutions following architectural standards and security.
• Contribute to code quality via reviews and tests.
• Collaborate with Risk, Quants, FO, DevOps and Production Support.
• Drive Stress Testing and Regulatory Risk projects in Market Risk.
• Own project technical aspects including planning and governance.
• Deliver high-quality solutions independently in a matrixed environment.

Skills

Python 3.x

FastAPI

SqlAlchemy

Microservices

RESTful APIs

PostgreSQL

Oracle

MongoDB

Redis

CI/CD

Git

Unix/Linux

Jenkins

Tekton

Pytest

TensorFlow

Education

Bachelor's degree

Master’s degree preferred

Tools

Docker

Kubernetes

GitHub Actions

Jira

PostgreSQL

Job description

We are seeking an experienced, motivated and technically proficient Senior Python Application Developerwith 9+ years of hands-on experienceto design, develop, and deliver robust, performant and scalable applications.
This role demands deep technical expertise and a strong focus on execution, preferably within finance and risk domains.

Key Technical Responsibilities:

• Lead hands-on implementation and architecture of Python frameworks for scalable, resilient, and performant applications.
• Develop solutions adhering to architectural standards, utilizing in-depth technical and business domain knowledge.
• Enforce industry-standard SDLC best practices and contribute to code quality through reviews.
• Collaborate with cross-functional teams (Risk, Quants, FO, DevOps, Production Support) for seamless delivery.
• Drive development for Stress Testing and Regulatory Risk projects in the Market Risk domain.
• Manage project technical aspects, including planning, governance, and taking ownership of initiatives.
• Deliver high-quality solutions independently within a globally matrixed environment and under tight deadlines.

Required Technical Qualifications:

I. Core Python & System Development:

• 9+ yearsof hands-on experience in Application Development, primarily with Python.
• Expert-level Python 3.x proficiencyfor scalable, resilient, and high-performance applications.
• Advanced knowledge of Python frameworks (FastAPI, SqlAlchemy), best practices, and design patterns.
• Strong understanding of software architecture principles and distributed system design (Microservices, Event-Driven Architecture).
• Extensive experience with relational (PostgreSQL, Oracle) and NoSQL databases (MongoDB, Redis), including advanced SQL.
• Proven expertise in designing, developing, and securing RESTful APIs and integration patterns.
• Hands-on experience with CI/CD systems (Tekton/Jenkins/GitHub Actions, Harness/GitLab CI) for automated deployment.
• Highly experienced with Unix-based operating systems.

II. Cloud & DevOps:

• A working understanding of containerization (Docker) and Kubernetes orchestration.
• Able to troubleshoot/debug and optimize performance on distributed systems.
• Proficiency in automated testing frameworks (Pytest, unittest) and TDD methodologies.
• Solid understanding of secure coding practices and application security principles (OWASP Top 10).
• Expertise in Git for standard branching and pull request workflows.

III. Artificial Intelligence (AI) Integration (Exposure):

• Exposure to AI/ML tools and frameworks (TensorFlow, PyTorch, scikit-learn).
• Practical experience with AI tools (Copilot, Devin, Claude/Gemini/GPT) for development workflows.
• Experience with Agentic AI tools, including writing Agents and Skills, and contributing to Agentic frameworks.
• Understanding and practical application of Generative AI concepts in software development.

Professional Skills:

• Deep understanding and practical experience with Agile/Scrum methodologies.
• Exceptional ability to manage priorities and tasks effectively.
• Strong analytical, logical, systems thinking, and critical analysis skills.
• Excellent written and verbal communication for diverse audiences.
• Ability to work independently, take ownership, and collaborate effectively in global teams.

Desirable Qualifications:

• Self-starting and problem solving nature.
• Polyglot Programming Exposure (e.g. other language likes Java, C# or other paradigms such as imperative/functional/reactive programming).
• Big Data Technologies (Apache Spark, Hadoop, Kafka) and data warehousing.
• Frontend Development (React, Angular, Vue.js).
• Relevant Cloud or Industry Certifications.
• Experience with banking domain (pricing, risk), CFA/FRM certification.

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:

Tampa Florida United States

Primary Location Full Time Salary Range:

$113,840.00 - $170,760.00

In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

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

Anticipated Posting Close Date:

Sep 11, 2026

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.

Illinois residents – AI Notice and Right

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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