GenAI-Powered Python Lead Developer – Senior Analyst

Citibank (Switzerland) AG; Tampa, Northern (FL, KY); Hybrid; Confidential; Full time

Job summary

Citi is seeking a Senior Python Application Developer to design, build, and deploy robust, scalable Python applications in a hybrid Tampa environment. Lead architecture and hands-on implementation with a focus on performance, security, and reliability within finance risk systems.

The ideal candidate brings 9+ years in Python development, mastery of FastAPI and SQLAlchemy, and strong experience with CI/CD, cloud-native patterns, and distributed systems.

Qualifications

• 9+ years of hands-on Python application development experience.
• Expert-level Python 3.x proficiency for scalable, high‑performance applications.
• Strong knowledge of Python frameworks (FastAPI, SqlAlchemy) and design patterns.

Responsibilities

• Lead hands-on implementation and architecture of Python frameworks for scalable, resilient, and performant applications.
• Develop solutions adhering to architectural standards across Risk and Quant teams.
• Contribute to code quality via reviews and SDLC best practices.
• Collaborate with Risk, Quants, FO, DevOps, and Production Support for delivery.
• Drive development for stress testing and regulatory risk projects.

Skills

Python

FastAPI

SqlAlchemy

REST APIs

PostgreSQL

Oracle

MongoDB

Redis

CI/CD

Jenkins

GitHub Actions

Kubernetes

Docker

Unix

TDD

Pytest

Education

Bachelor's degree

Master's degree preferred

Tools

FastAPI

SqlAlchemy

Job description

Citi is seeking a Senior Python Application Developer to design, build, and deploy robust, scalable Python applications in a hybrid Tampa environment. Lead architecture and hands-on implementation with a focus on performance, security, and reliability within finance risk systems.

The ideal candidate brings 9+ years in Python development, mastery of FastAPI and SQLAlchemy, and strong experience with CI/CD, cloud-native patterns, and distributed systems.