Feature Framework Engineer · Unknown

Sat, 18 Apr 2026 22:14:03 GMT
Engineering

Unknown · New York, New York, United States of America · $175,000 to $250,000 · onsite

The Systematic Platform Execution & Exchange Data (SPEED) Team is at the core of Millennium's Equities, Quant Strategies, and Shared Services Technology organisation.

We are looking for a C++ engineer to design and build high-performance, low-latency applications that process large volumes of real-time data.

Principal Responsibilities:

Design, implement, and maintain high-performance C++ services handling high message rates and low-latency workloads.

Optimise existing components for latency, throughput, and CPU/memory efficiency.

Develop and tune networking, messaging, and I/O layers to handle large data volumes reliably.

Profile and debug performance issues at application, OS, and network levels.

Collaborate with quantitative, trading, and infrastructure teams to translate requirements into robust technical solutions.

Write clean, production-quality code with appropriate tests and documentation.

Participate in code reviews, design discussions, and continuous improvement of engineering practices.

Required Qualifications:

Strong proficiency in modern C++ (C++17/20 or later).

5+ years of experience.

Analytics Focus: KDB / Q Experience for large market data, modern data analysis with pytorch, pandas and modern tooling including Apache arrow.

Familiar with basics statistics as applied to financial research.

Proven experience building performance-critical, real-time, or low-latency systems.

Strong knowledge of computer science fundamentals: data structures, algorithms, memory management, and optimisation.

Experience using profiling, benchmarking, and performance analysis tools.

Proficiency with version control (Git) and standard build systems.

Excellent problem-solving skills and attention to detail.

Strong interpersonal skills with a proven ability to navigate large organisations.

Preferred Qualifications:

Experience with kernel bypass or user-space networking technologies.

Familiarity with AI productivity enhancing coding tools.

Experience in financial markets, market data distribution, order routing, or exchange connectivity.

Experience with monitoring/telemetry for high-performance systems.

Familiarity with scripting languages for tooling and automation.

AI: Familiarity with AI productivity enhancing coding tools.

Personal Attributes:

Obsessed with performance, measurement, and data-driven optimisation.

Comfortable owning features end-to-end and operating in a production environment.

Clear communicator who can work closely with both technical and non-technical stakeholders.

Proactive, self-directed, and able to thrive in a highly iterative environment.

The estimated base salary range for this position is $175,000 to $250,000, which is specific to New York and may change in the future.