Senior C++ Engineer

🕒 August 18

🌐 United Kingdom, Netherlands, +1 more countries – Remote

🇬🇧 United Kingdom – Remote 🇳🇱 Netherlands – Remote 🇫🇷 France – Remote

💵 £200k - £300k / year

⏳ Contract/Temporary

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 45%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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WhyHireWrong?

WebsiteLinkedInAll Job Openings

1 - 10 employees

👥 HR Tech

🎯 Recruiter

☁️ SaaS

HR Tech • Recruitment • SaaS

WhyHireWrong? is a hiring and recruitment platform that appears to provide a web-based portal for employers and applicants to manage projects, applications, and user logins. The site references project listings, an application/login flow for existing users, and is powered by a technology layer (SIGL:IO), indicating a software-first delivery model. Contact details are provided, suggesting a service-oriented offering to connect candidates with roles or help organizations streamline hiring.

📋 Description

• Design, build, and optimize the low-latency hot path for automated/electronic trading in modern C++ • Build and maintain market-data infrastructure, including feed handlers, ticker plants, order-book construction, and normalization • Implement exchange connectivity and FIX-based order flow, including smart-order-routing components • Reduce tick-to-trade latency using lock-free data structures, cache- and NUMA-aware design, and kernel-bypass networking • Profile, measure, and eliminate latency and jitter across the full stack • Translate traders’ and quantitative researchers’ strategy and execution needs into performant, reliable production code • Own components end-to-end, including reliability, observability, and incident response • Work alongside traders and quant researchers at a global trading firm

🎯 Requirements

• ~6+ years of professional C++ engineering in production low-latency systems • Modern C++: C++17 minimum, C++20 preferred • Low-latency experience in traditional financial services, such as proprietary trading firms, market-makers, HFT shops, investment-bank e-trading desks, or systematic hedge funds • Direct market-data, feed-handler, or electronic-trading exposure • Hands-on experience with lock-free programming, multicast, low-level networking, and performance profiling • Comfortable with fully remote work and a 12-month contract structure • Must already hold the right to work in the country of residence; no sponsorship offered • Kernel-bypass (Solarflare/Onload, DPDK) and NUMA/cache-aware design experience preferred • Experience with order books, ticker plants, smart-order routers, and exchange connectivity preferred • Deep tenure in a single demanding low-latency environment preferred

🏖️ Benefits

• Fully remote work • Potential conversion to a full-time/permanent role after 12 months by mutual agreement • Human review of AI-assisted recruitment steps • Ability to request an explanation of AI-assisted processing and access to or correction/deletion of personal data