Lead Python Engineer-Senior Vice President

Citibank (Switzerland) AG; Rutherford (NJ); Hybrid; USD 177,000 - 265,000; Full time

Benefits offered by this job

Medical, dental & vision coverage

401(k)

Paid time off

Job summary

Citi in Rutherford, New Jersey is seeking a Senior Python Lead to design, develop, and deliver scalable, robust software solutions in a hybrid work setting. The role requires deep Python expertise, architectural leadership, and hands-on implementation across microservices, RESTful APIs, and data stores.

You will collaborate with Risk, Quants, and DevOps to meet strict performance and reliability targets. The ideal candidate brings 10+ years of hands-on Python development, strong SDLC discipline,

Qualifications

• 10+ years of hands-on Python development experience.
• Expert-level Python 3.x proficiency with frameworks (FastAPI, Django, Flask).
• Strong understanding of distributed systems, microservices, and RESTful APIs.
• Experience with relational and NoSQL databases (PostgreSQL, Oracle, SQL Server, MongoDB, Redis).
• CI/CD experience (Jenkins, GitHub Actions, GitLab CI).
• Cloud and containerization knowledge (AWS, Docker, Kubernetes).
• Experience in risk or financial domains is a plus.
• Agile/Scrum methodologies and strong communication skills.

Responsibilities

• Lead hands-on implementation and architecture of Python frameworks for scalable, resilient, and performant applications.
• Develop solutions adhering to architectural standards and drive code quality through reviews.
• Collaborate with cross-functional teams for seamless delivery in a matrixed environment.
• Drive development for Stress Testing and Regulatory Risk projects in the Market Risk domain.
• Manage project technical aspects, including planning, governance, and ownership of initiatives.
• Deliver high-quality solutions independently and under tight deadlines.

Job description

## Lead Python Engineer-Senior Vice PresidentApply: Hybrid: Rutherford New Jersey United States: New York New York United States: Full time: Posted Today: 26992297We are seeking a highly experienced and technically proficient **Senior Python Lead** with 10+ **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.# 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:* **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.## 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.## 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.## 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. **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***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:**Rutherford New Jersey United States------------------------------------------------------## **Primary Location Full Time Salary Range:**$176,720.00 - $265,080.00In 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.