Lead Risk Software Engineer LDN

We are seeking an experienced Senior Python Developer to join our Athena Rates development team to work on Risk and PnL framework in Rates LOB. In this role, you will architect, design, develop, and integrate sophisticated solutions that support trading desks and back office functions across rates products. You will work at the intersection of technology and finance, delivering high-impact systems that enable critical risk management and profit & loss analysis for our trading operations.

Key Responsibilities As a Senior Python Developer on our team, you will build and maintain robust software solutions for rates trading activities. You will collaborate closely with quantitative analysts, traders, risk managers, to integrate systems across front office , middle and back office processing. Your work will directly support trading operations across multiple Rates Swap Derivative products and Options products .You

will be responsible for developing scalable, performant code that handles large volumes of market data and complex financial calculations. This includes implementing risk metrics, PnL attribution frameworks, and data pipelines that connect trading systems with downstream consumers. You will participate in architectural decisions, code reviews, and technical design sessions, contributing your expertise to shape the evolution of this automated platform in Rates.

Required 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

Capability to translate business needs into technical solutions and explain technical constraints in business terms

Willing to understand and work on legacy applications when required

Preferred Qualifications Prior experience with other financial risk stack platforms such as SecDB, Quartz, or Athena Knowledge of rates products including Swaps, Securities, Options, and Repo Familiarity with risk methodologies and PnL calculation frameworks

Experience with distributed systems and real-time data processing

Proficiency with relational and No

SQL databases

Knowledge of modern development practices including CI/CD pipelines and containerization

Exposure to quantitative finance concepts and market risk measures

Understanding of regulatory reporting requirements in financial services

Usage of Agentic AI tools for Software Development , Testing , AnalysisJ.P. Morgan is a global leader in financial services, providing strategic advice and products to the world’s most prominent corporations, governments, wealthy individuals and institutional investors. Our first-class business in a first-class way approach to serving clients drives everything we do. We strive to build trusted, long-term partnerships to help our clients achieve their business objectives.
We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law.

We also make reasonable accommodations for applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.
J.P. Morgan’s Commercial & Investment Bank is a global leader across banking, markets, securities services and payments. Corporations, governments and institutions throughout the world entrust us with their business in more than 100 countries. The Commercial & Investment Bank provides strategic advice, raises capital, manages risk and extends liquidity in markets around the world. Full time Posting Date: