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About the Role

We are hiring a senior, hands-on C++ engineer to build and optimize the low-latency hot path for a top-tier global trading firm. This is a search for one exceptional engineer focused on genuinely cutting-edge, latency-obsessed engineering.

Responsibilities

Design, build, and optimize the low-latency hot path for automated/electronic trading in modern C++ (C++17/20)
Build and maintain market-data infrastructure: feed handlers, ticker plant, order-book construction, and normalization
Implement exchange connectivity and FIX-based order flow, including smart-order-routing components
Drive down tick-to-trade latency using lock-free data structures, cache- and NUMA-aware design, and kernel-bypass networking (Solarflare/Onload, DPDK)
Profile, measure, and eliminate latency and jitter across the full stack
Translate strategy and execution needs from traders and quants into performant, reliable production code
Own components end-to-end: reliability, observability, and incident response

Requirements

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

Skills

C++
C++17
C++20
Low-latency systems
Market-data infrastructure
Feed handlers
Ticker plant
Order-book construction
Normalization
Exchange connectivity
FIX-based order flow
Smart-order-routing
Lock-free data structures
Cache-aware design
NUMA-aware design
Kernel-bypass networking
Solarflare/Onload
DPDK
Performance profiling
Multicast
Low-level networking
Reliability
Observability
Incident response

Location

UK
Netherlands
France

Work Type

Fully remote
12-month contract
Convertible to full-time/permanent

Experience Level

Senior
~6+ years

Salary/Compensations

Highly competitive, benchmarked to top-of-market trading-firm rates for senior low-latency engineers
Exact range confirmed at screening

Equal Opportunity

Human oversight: A qualified human makes every shortlisting, interview, and hiring decision. No candidate is rejected or advanced by an automated system alone.
No solely automated decisions: You will not be subject to a decision based solely on automated processing (GDPR Art. 22).
Transparency: You will be told when you are interacting with an AI system (for example, automated outreach or any AI-assisted assessment) and what it does.
No prohibited practices: We do not use emotion-recognition or biometric-categorization tools in hiring.
Fairness: Our screening is based on job-relevant skills and experience only; we monitor for and act against discriminatory outcomes.
Your rights: You may request human review of any AI-assisted step, an explanation of how it works, and access to or correction/deletion of your personal data. Contact us at any stage to exercise these rights.