Linear Rates Quant (Associate Level)

About the role

Santander CIB is seeking a Linear Rates Quant at the associate level to join its Linear Rates & Inflation Products Quants team in Madrid. The role focuses on developing pricing libraries and curve construction frameworks for linear rates products, especially bonds and swaps, bridging research, technology, and trading.

Key responsibilities

• Develop, implement, and maintain pricing analytics for linear rates and inflation products, with emphasis on swaps and bonds.
• Contribute to building a new linear quant library in Rust and its Python APIs for front‑office use.
• Maintain and enhance legacy C++ pricing components and support migration/interoperability between C++ and Rust.
• Design and improve curve construction frameworks used in pricing and risk.
• Collaborate closely with Trading, Sales, Structuring, and Technology teams to deliver production‑ready analytics and tools.
• Investigate pricing/risk discrepancies, perform root‑cause analysis, and deliver timely fixes.
• Support model governance through testing, documentation, and validation deliverables.

Required profile

• Motivated quantitative analyst with interest in inflation and linear rates products.
• Experience in developing and maintaining pricing models and analytics.
• Ability to work at the intersection of research, technology, and trading.
• Strong collaborative mindset to partner with front‑office and technology teams.

Required skills

• Rust
• Python
• C++