Senior Risk Python Engineer – Rates & PnL Platform

United States Digital Space LLC; Greater London; On-site; GBP 110,000 - 160,000; Full time

Job summary

J.P. Morgan is seeking a Senior Python Developer to join the Athena Rates development team, focusing on risk and PnL frameworks for the Rates line of business.

You will architect, design and deliver scalable Python solutions supporting trading desks and back-office processes across derivatives. You will work at the intersection of technology and finance, delivering high-impact systems for risk management and PnL analysis while collaborating with quantitative analysts, traders and risk managers

Qualifications

• Minimum 5 years of hands-on Python development experience.
• Strong preference for candidates with financial services background.
• Solid understanding of software engineering principles including object-oriented design, testing methodologies, and version control practices.
• Demonstrated ability to write clean, maintainable code and work effectively within large, complex codebases.
• Strong verbal and written communication skills with ability to articulate technical concepts to both technical and non-technical stakeholders.
• Proven ability to gather requirements from business users and collaborate across multiple teams and functions.
• Ability to translate business needs into technical solutions and explain constraints in business terms.

Responsibilities

• Architect, design, and develop Python solutions for rates trading, risk, and PnL frameworks.
• Collaborate with quants, traders, and risk managers to integrate systems across front-to-back office ops.
• Develop scalable, high-performance code handling large market data volumes and complex calculations.
• Implement risk metrics, PnL attribution, and data pipelines connecting trading systems to downstream consumers.
• Contribute to architectural decisions, code reviews, and technical design sessions.

Skills

Python development

Financial services

Software design

Testing practices

Version control

Communication

Requirements gathering

Legacy systems

Tools

Git

CI/CD

Docker

Kubernetes

Job description

J.P. Morgan is seeking a Senior Python Developer to join the Athena Rates development team, focusing on risk and PnL frameworks for the Rates line of business.

You will architect, design and deliver scalable Python solutions supporting trading desks and back-office processes across derivatives. You will work at the intersection of technology and finance, delivering high-impact systems for risk management and PnL analysis while collaborating with quantitative analysts, traders and risk managers