Senior Python Quant Developer - Fixed Income Trading Systems

Matlen Silver; New York (NY); On-site; USD 83,000 - 117,000; Full time

Job summary

Matlen Silver is seeking a Senior Backend Python / Quant Developer in New York City to build high-performance backend services for Fixed Income trading, pricing, risk, and portfolio analytics.

The role combines strong Python development with deep domain knowledge in fixed income and capital markets, delivering scalable models and data-driven tooling for traders, quants, risk managers, and technology teams. The candidate should thrive in a fast-paced financial environment.

Qualifications

• 7+ years of professional software development experience, with significant hands-on Python development.
• Strong object-oriented Python programming and production-grade backend experience.
• Strong understanding of Fixed Income and Capital Markets.
• Hands-on experience supporting trading, pricing, risk, or quantitative finance applications.
• Strong understanding of financial instruments such as bonds, Treasuries, interest-rate products, swaps.
• Experience with financial modeling and quantitative analytics.
• Strong understanding of pricing, valuation, yield curves, discounting, risk measures, P&L, and sensitivities.

Responsibilities

• Design, develop, and maintain high-performance backend applications and services using Python.
• Build quantitative and financial applications supporting Fixed Income trading, pricing, risk, valuation, and portfolio analytics.
• Develop and implement financial models, pricing methodologies, quantitative algorithms, and analytical tools.
• Collaborate with traders, quantitative researchers, risk managers, and Front Office stakeholders to translate requirements into production code.
• Develop APIs, microservices, data pipelines, and backend services for trading and analytics platforms.
• Work with large volumes of market data, trade data, reference data, pricing data, and risk data.
• Implement and optimize models for pricing, valuation, VaR, and risk analytics.

Skills

Python

Fixed Income

Capital Markets

Quantitative analytics

Trading systems

SQL

REST APIs

Microservices

Performance optimization

Tools

REST APIs

Docker

Kubernetes

CI/CD

SQL

Job description

Matlen Silver is seeking a Senior Backend Python / Quant Developer in New York City to build high-performance backend services for Fixed Income trading, pricing, risk, and portfolio analytics.

The role combines strong Python development with deep domain knowledge in fixed income and capital markets, delivering scalable models and data-driven tooling for traders, quants, risk managers, and technology teams. The candidate should thrive in a fast-paced financial environment.