Millennium
Feature Framework Engineer
$175K–$250K
New York, New York · On-site · Full-time · Posted Apr 13, 2026
- Experience
- 5+ years of modern C++ experience; experience building performance-critical, real-time, or low-latency systems is also required, with no years specified.
About the job
Design, build, and operate scalable, low-latency C++ trading and market-data systems, optimizing performance, reliability, and resource usage.
What you'll do
- Build and maintain high-performance C++ services for real-time, high-message-rate workloads; optimize latency, throughput, and CPU and memory use.
- Tune networking, messaging, and I/O layers; profile and debug performance across application, operating-system, and network levels.
- Collaborate with quantitative, trading, and infrastructure teams to deliver tested, documented production systems.
What they ask for
- 5+ years of experience with modern C++ (C++17/20 or later).
- Experience building performance-critical, real-time, or low-latency systems.
- Strong computer science fundamentals, including data structures, algorithms, memory management, and optimization.
- Experience with profiling and performance analysis tools; proficiency with Git and standard build systems such as CMake or Ninja.
Nice to have
- Experience with kernel-bypass or user-space networking technologies, such as DPDK, RDMA, VMA, or Solarflare/OpenOnload.
- Experience in financial markets or market data, monitoring/telemetry, Python or Bash tooling, or AI productivity-enhancing coding tools.
Pay
$175,000 to $250,000 USD base salary
Tools
C++17/20, KDB / Q, pytorch, pandas, Apache arrow, perf, valgrind, Git
AI focus
Familiarity with AI productivity-enhancing coding tools is preferred; no other AI work is stated.
Model-written summary · the original posting is authoritative