Senior Software Engineer – Trading Systems - C++/C# - Remote - €100,000

Senior Software Engineer – Trading Systems - C++/C# - Remote - €100,000 A high-performing trading firm is expanding its engineering team to strengthen and scale its proprietary trading systems. Why joinImpact: See your ideas go live in days, not months.Collaboration: Work directly with traders and engineers on real trading models.Autonomy: Shape architecture and technical direction - no bureaucracy.Success: Profitable, fast-moving environment with long-term stability.Flexibility: Fully remote within Germany.Rewards: Around €100,000 base salary, plus annual bonus, 30 days’ holiday, and modern tooling including AI-based code reviews (CodeRabbit). The roleYou’ll build and improve the trading system across all layers - from market data and order entry to trading strategies, databases, and the GUI. That includes designing and testing algorithmic trading components, maintaining resilient services, and ensuring systems run smoothly and efficiently. You’ll contribute ideas on architecture, reliability, and performance, working closely with traders to translate trading logic into high-quality, production-ready software. What you’ll bringSolid experience as a Software Engineer, ideally full-stack or systems-oriented.Strong skills in C# or C++ (experience with Java, Go, or Python also welcome).Confidence with Linux, Docker, VM management, and basic networking setup.Understanding of testing, monitoring, and performance optimisation.Clear, patient communication and curiosity to understand trading ideas.Fluent in English (German is a plus).Based in Germany, with early-morning availability when markets open. If you want to contribute to the success of a high-performing trading firm - building systems that power real trades and improving them every day - this could be the right move. Keywords: Software Engineer, Trading Systems, C#, C++, Python, Linux, Docker, Postgres, Algorithmic Trading, Financial Technology, Low Latency, Remote, Germany