Remote Senior C++ Engineer — Low-Latency Trading Tech

Selby Jennings; Warszawa; Remote; PLN 300,000 - 520,000; Full time

Job summary

Selby Jennings in Poland is seeking a C++ Software Engineer to join a highly technical trading technology team. You will build and optimise low-latency C++ systems and contribute to real-time data pipelines and APIs used in global financial markets.

The role focuses on performance-critical components of trading infrastructure, with exposure to distributed systems and streaming platforms. Candidates typically bring 5+ years in C++ and a track record of delivering reliable, scalable software in

Qualifications

• 5+ years of professional experience in C++
• Experience with APIs, distributed systems, or real-time data processing
• Background in performance optimisation / low-latency systems
• Exposure to financial systems or trading environments is a plus, or experience with streaming / API-driven platforms

Responsibilities

• Develop and optimise low-latency C++ systems
• Build and enhance real-time data pipelines and APIs
• Work on performance-critical components of trading infrastructure

Skills

C++

Low-latency

APIs

Distributed systems

Real-time data

Trading

Job description

Selby Jennings in Poland is seeking a C++ Software Engineer to join a highly technical trading technology team. You will build and optimise low-latency C++ systems and contribute to real-time data pipelines and APIs used in global financial markets.

The role focuses on performance-critical components of trading infrastructure, with exposure to distributed systems and streaming platforms. Candidates typically bring 5+ years in C++ and a track record of delivering reliable, scalable software in