Lead Software Engineer - Risk/ FORT BUS MGMT

慨正橡扯; Greater London; On-site; GBP 120,000 - 150,000; Full time

Job summary

慨正橡扯 is seeking a Lead Software Engineer – Athena to shape our Risk platform and Aggregation system. You will design and build high-performance Python solutions for rates trading, risk metrics, and P&L analysis across trading desks and back-office functions.

You will collaborate with quantitative analysts, traders, risk managers and other tech teams to deliver scalable systems. Strong Python, OO design, and cross-team communication are essential for success.

Qualifications

• 10+ years of hands-on Python development.
• Finance domain experience is preferred.
• Solid understanding of OO design, testing methodologies, and version control.
• Ability to write clean, maintainable code in large codebases.
• Strong verbal and written communication; explain technical concepts clearly.
• Proven ability to gather requirements and collaborate across teams.
• Willingness to work on legacy applications when required.

Responsibilities

• Build and maintain software solutions for rates trading activities.
• Collaborate with analysts, traders, risk managers, product managers and other tech teams.
• Develop scalable Python code to process market data and perform financial calculations.
• Implement risk metrics, P&L attribution, and data pipelines to downstream systems.
• Participate in architecture decisions, code reviews and design sessions.
• Gather business requirements and translate into technical solutions.
• Maintain and enhance existing applications as needed.

Skills

Python development

OO design

Testing practices

Version control

Collaboration

Communication skills

Legacy code maintenance

Tools

CI/CD pipelines

Containerization

React

Relational databases

NoSQL databases

Job description

JOB DESCRIPTION

Description

We are seeking an experienced and motivated Lead Software Engineer – Athena to work on our Risk platform and Aggregation system. In this role, you will 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 (P&L) analysis for our trading operations.

Job 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.

Required qualifications, capabilities, and skills

• Minimum 10 years of hands‑on Python development experience.
• Strong preference for candidates with a 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 the ability to articulate technical concepts to both technical and non‑technical stakeholders.
• Proven ability to gather requirements and collaborate across multiple teams and functions.
• Capability to translate business needs into technical solutions and explain technical constraints in business terms.
• Willingness to understand and work on legacy applications when required.

Preferred qualifications, capabilities, and skills

• Prior experience with 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 P&L calculation frameworks.
• Experience with distributed systems and real‑time data processing.
• Proficiency with relational and NoSQL databases.
• Experience with web technologies such as React.
• 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.
• Experience using agentic AI models/tools for rapid development (subject to enterprise authorization and secure usage expectations).

Equal Employment Opportunity

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 ourFAQsfor more information about requesting an accommodation.