Senior Quantitative Developer, Director

About This Role

Quantitative Modeling and Research (QMR) is a core team within the Single Security Modeling group at BlackRock. The team is responsible for designing, building, and maintaining sophisticated risk and valuation models that support a broad range of asset classes, including interest rates, foreign exchange, inflation, equities, and credit. QMR plays a critical role in powering BlackRock’s investment platform and Aladdin. We are currently undertaking a multi‑year modernization of our core analytics libraries and services and are seeking a Senior Quantitative Developer, Director to help lead this effort.

Role Overview

This role is a senior technical position within QMR, focused on the design and evolution of large‑scale quantitative analytics libraries. The successful candidate will contribute to shaping the technical direction, engineering standards, and long‑term sustainability of the analytics platform that underpins Aladdin. The role combines deep quantitative engineering, modern C++ development, and close alignment with real‑world business requirements.

Key Responsibilities

• Play a senior technical role in a multi‑year initiative to modernize BlackRock’s core analytics infrastructure, influencing architecture, engineering standards, and best practices.
• Design, build, and maintain large‑scale C++ analytics libraries with a strong emphasis on performance, correctness, extensibility, and long‑term maintainability in a production environment operating at massive scale.
• Act as a technical leader on complex initiatives by driving design discussions, reviewing architecture and code, mentoring other quantitative developers, and raising overall code quality.
• Lead the design of modern frameworks and abstractions for quantitative models, maintaining a pragmatic engineering mindset grounded in real‑world business needs.
• Champion modern C++ practices, tooling, and workflows, including testing strategies, performance profiling, CI/CD integration, and responsible use of emerging AI‑assisted development tools.
• Leverage modern hardware and parallel computing techniques to deliver analytics efficiently at scale while maintaining clarity and discipline in the codebase.
• Collaborate closely with quantitative researchers, engineers, and business partners across Aladdin.

Qualifications

Required:

• 7+ years of industry experience in quantitative development or quantitative engineering.
• Deep experience designing and building quantitative libraries in C++.
• Strong experience implementing complex mathematical and financial models.
• Bachelor’s or Master’s degree in Computer Science, Mathematics, Engineering, or a related quantitative discipline.
• Deep familiarity with industry best practices for software engineering, including code quality, testing, and maintainability.
• Strong communication skills and the ability to operate effectively in a collaborative, global environment.

Preferred:

• Experience modernizing large, legacy analytics or modeling codebases.
• Exposure to AI‑assisted development tools and an understanding of the modern AI coding landscape.
• Experience with performance‑critical systems and parallel or high‑performance computing.

Our Benefits

To help you stay energized, engaged and inspired, BlackRock offers a wide range of benefits including a strong retirement plan, tuition reimbursement, comprehensive healthcare, support for working parents and Flexible Time Off (FTO) so you can relax, recharge and be there for the people you care about.

Our Hybrid Work Model

BlackRock’s hybrid work model is designed to enable a culture of collaboration and apprenticeship that enriches the experience of our employees, while supporting flexibility for all. Employees are currently required to work at least 4 days in the office per week, with the flexibility to work from home 1 day a week. Some business groups may require more time in the office due to their roles and responsibilities. BlackRock remains focused on increasing the impactful moments that arise when we work together in person – aligned with our commitment to performance and innovation. As a new joiner, you can count on this hybrid model to accelerate your learning and onboarding experience here at BlackRock.

About BlackRock

At BlackRock, we are all connected by one mission: to help more and more people experience financial well-being. Our clients, and the people they serve, are saving for retirement, paying for their children’s educations, buying homes and starting businesses. Their investments also help to strengthen the global economy: support businesses small and large; finance infrastructure projects that connect and power cities; and facilitate innovations that drive progress. This mission would not be possible without our smartest investment – the one we make in our employees. It’s why we’re dedicated to creating an environment where our colleagues feel welcomed, valued and supported with networks, benefits and development opportunities to help them thrive.

Key skills/competency

• Quantitative Development
• C++ Programming
• Financial Modeling
• Software Architecture
• Performance Optimization
• Parallel Computing
• Technical Leadership
• Aladdin Platform
• Modern C++ Practices
• Analytics Infrastructure