Lead Software Engineer - Risk Platform (Athena)

JPMorgan Chase & Co.; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

JPMorgan Chase & Co. is seeking an experienced Lead Software Engineer – Athena to join our Risk platform and Aggregation system in London.

You will design, develop, and integrate sophisticated solutions supporting trading desks and back-office functions across rates products. You'll lead Python-based data processing, risk metrics, and P&L attribution, collaborating with quantitative analysts, traders, risk managers, and other technology teams.

Qualifications

• Minimum 10 years of hands-on Python development experience.
• Financial services background strongly preferred.
• Solid understanding of OO design, testing methodologies, and version control practices.
• Ability to write clean, maintainable code in large codebases.
• Strong verbal and written communication with stakeholders.
• Proven ability to gather requirements and collaborate across multiple teams and functions.
• Willingness to understand and work on legacy applications when required.

Responsibilities

• Build and maintain robust software solutions supporting rates trading activities.
• Collaborate closely with quantitative analysts, traders, risk managers, product managers, and other technology teams.
• Develop scalable, high-performance Python code to process large volumes of market data and perform complex financial calculations.
• Implement risk metrics, P&L attribution frameworks, and data pipelines connecting trading systems to downstream consumers.
• Participate in architectural decisions, code reviews, and technical design sessions to shape platform evolution across Rates and Equities.
• Gather requirements from business users and translate business needs into technical solutions; communicate technical constraints in business terms.
• Maintain and enhance existing and legacy applications when required.

Skills

Python development

Financial services background

OO design

Testing methodologies

Version control

Communication skills

Requirements gathering

Cross-team collaboration

Tools

Git

CI/CD

Containerization

React

Job description

JPMorgan Chase & Co. is seeking an experienced Lead Software Engineer – Athena to join our Risk platform and Aggregation system in London.

You will design, develop, and integrate sophisticated solutions supporting trading desks and back-office functions across rates products. You'll lead Python-based data processing, risk metrics, and P&L attribution, collaborating with quantitative analysts, traders, risk managers, and other technology teams.