Job Description
C++ Runtime & Performance Engineer | Quantitative Trading | New York / Chicago
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We are working with a top quantitative trading firm looking for an engineer with deep expertise in C++, Linux and systems performance.
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The team works on some of the lowest-level components of the firm's technology stack, focusing on extracting performance from modern hardware and improving the efficiency and predictability of latency-sensitive systems.
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What you’ll work on:
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- Build and optimize performance-critical C++ systems
- Investigate CPU, memory and concurrency bottlenecks
- Work on memory allocation, threading, synchronization and runtime behaviour
- Profile applications from software down to the underlying hardware
- Improve cache efficiency, data layout and execution performance
- Develop low-level tooling and infrastructure used by other engineers
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What we’re looking for:
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- Deep C++ and Linux experience
- Strong understanding of memory management, concurrency and CPU architecture
- Experience profiling and optimizing complex systems
- Knowledge of caches, NUMA, allocators, atomics and synchronization
- Experience with compilers, runtimes, kernels, databases, browsers, networking or other performance-sensitive systems is highly relevant
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No previous trading experience is required. This is particularly relevant for engineers working on performance-sensitive infrastructure, runtimes, operating systems, compilers, browsers or large-scale C++ systems.