Senior Python Application Developer Senior Vice President

Overview

We are seeking a highly experienced and technically proficient Senior Python Application Developer with 12+ years of hands-on experience to design, develop, and deliver critical, scalable, highly available, and performant applications. This role demands deep technical expertise, a strong focus on execution, and a proven ability to deliver robust software solutions, particularly within quantitative and market risk domains.

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

1. I. Core Python & System Development
   • 10+ years of hands-on experience in Application Development, primarily with Python.
   • Expert-level Python 3.x proficiency for scalable, resilient, and high-performance applications.
   • Advanced knowledge of Python frameworks (FastAPI, Django, Flask), best practices, and design patterns (OOP).
   • Strong understanding of software architecture principles and distributed system design (Microservices, Event-Driven Architecture).
   • Extensive experience with relational (PostgreSQL, Oracle, SQL Server) and NoSQL databases (MongoDB, Cassandra, Redis), including advanced SQL.
   • Proven expertise in designing, developing, and securing RESTful APIs and integration patterns.
   • Hands-on experience with CI/CD systems (Jenkins, GitLab CI, GitHub Actions, Bitbucket Pipelines) for automated deployment.
   • Highly experienced with Unix-based operating systems.
2. II. Cloud & DevOps
   • Strong background in cloud platforms (AWS, Azure, GCP), including containerization (Docker) and contributing to Kubernetes orchestration.
   • Advanced troubleshooting, debugging, and performance optimization for 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 (Bitbucket, GitHub) for advanced branching and pull request workflows.
3. III. Quantitative & Risk Domain
   • Experience developing Quantitative/Calc-intensive Python solutions with advanced computation libraries.
   • Sound understanding and exposure to various Risk Methodologies.
   • Exposure to mathematical modeling/finance insights.
4. IV. 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

• Polyglot Programming Exposure (e.g., Java).
• 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.

Qualifications

• 10+ years of relevant experience
• Experience in implementing projects
• Experience in systems analysis and programming of software applications
• Demonstrated Subject Matter Expert (SME) in area(s) of Applications Development
• Demonstrated knowledge of client core business functions
• Demonstrated leadership, project management, and development skills
• Relationship and consensus building skills

Education

• Bachelor’s degree/University degree or equivalent experience
• Master’s degree preferred

Key Focus Areas / Desirable Skills

• Foundational Models: Gemini, OpenAI, Claude, Llama, Local Models
• Machine Learning: PyTorch, TensorFlow, Fine-tuning
• Frameworks: LangChain, LlamaIndex, Hugging Face
• Retrieval Augmented Generation: PostgreSQL, Vector DBs, Advanced Retrieval
• Orchestration: LangGraph, Multi-Agent Systems
• Development: Python, FastAPI, Async Programming
• Deployment: Docker, Production APIs, Monitoring
• Applied Methodology: Prompt Engineering, Workflow Design, GenAI Optimization

Job Details

• Job Family Group: Technology
• Job Family: Applications Development
• Time Type: Full time
• Primary Location: New York, New York, United States
• Primary Location Full Time Salary Range: $176,720.00 - $265,080.00

Benefits & EEO

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. For accessibility or accommodation requests, view Citi’s Accessibility and EEO resources at citibenefits.com.