Senior C++ Developer (Trading Systems) - High-Performance Market Infrastructure

dou polska • Poland

Remote

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AI Summary

Join a global fintech trading platform as a Senior C++ Developer to optimize and extend a live, high-performance energy commodities trading system. Leverage deep expertise in Modern C++ and concurrency to enhance core platform components, collaborate with a small team, and influence technical direction in a fully remote environment. Requires 3.5+ years of C++ development experience with a focus on performance, Linux, and networking in a production-grade trading system.

Key Highlights

Lead development of a live, high-performance trading system for energy commodities in a global fintech platform

Work independently on a mature codebase with real-time impact, shaping technical direction of core components

Fully remote role with autonomy, ownership, and assertive communication expected

Key Responsibilities

Develop and optimize high-performance C++ code for a live trading system handling energy commodities

Collaborate on core platform components with real-time impact, improving scalability and reliability

Influence technical direction of the system while maintaining autonomy in development workflows

Leverage concurrency, networking (ZeroMQ, TCP/UDP), and shared memory for low-latency trading operations

Integrate AI coding tools (e.g., Cursor, Claude) into development workflows for efficiency gains

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Technical Skills Required

C++ (Modern C++17/20/23) Linux/POSIX Concurrency and shared memory

Benefits & Perks

Fully remote work

Work from anywhere (remote-first)

Strong JavaScript community (90+ developers) with modern JS stack (React.js, React Native, Angular, Node.js)

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Nice to Have

Experience with Svelte

Familiarity with kdb+ or TypeScript

Knowledge of FIX Protocol, OMS, or market data feeds (ITCH/OUCH)

Redis or other in-memory data stores

Qt framework experience

Team lead experience

Job Description

We are looking for a talented Middle strong C++ Developer with 3.5+ years of programming background to make consistent, high-quality code contributions to a mature, high-performance C++ product in the energy commodities trading domain.This is not a from-scratch build — you’ll be joining a live, production trading system where every millisecond counts, with real opportunity to influence the technical direction of a core part of the platform.JOB REQUIREMENTS:Must have:

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