Senior C++ Backend Engineer - Low-Latency Trading (Remote)

Understanding Recruitment

Poland

On-site

PLN 200,000 - 320,000

Full time

14 days+

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Benefits offered by this job

Remote-first culture

Job summary

Understanding Recruitment is seeking Senior C++ Engineers to build the core backend that underpins a global proprietary trading firm. The role focuses on low-latency, high-throughput systems, with performance and reliability as top priorities during live trading activity.

The team works across market data infrastructure, exchange connectivity, and performance-critical backend services, delivering scalable systems that perform under real production load while collaborating with trading and

Qualifications

Strong modern C++ experience in backend or systems environments.
Experience building high-performance, low-latency or high-throughput systems.
Strong understanding of multithreading, concurrency, and distributed systems concepts.
Experience working within Linux environments.
Strong debugging and performance optimisation capabilities.
Good understanding of networking and infrastructure-level engineering concepts.
Exposure to trading systems, market infrastructure, HFT, or exchange environments.

Responsibilities

Build and optimise low-latency backend infrastructure supporting live trading systems.
Develop high-performance market data and exchange connectivity services.
Improve throughput, latency, and resilience across distributed systems operating under real production load.
Work closely with engineering and trading teams on performance-critical infrastructure initiatives.
Debug and resolve complex systems and performance bottlenecks across live environments.