Algo Trading Developer - C#- Paris - Contract

We are partnered with a financial services provider in Paris hiring for a C# Algo Developer to join a high-performing technology team within the trading space. This role sits at the intersection of software engineering, quantitative logic, and live market execution, building and optimizing systems that operate in fast-moving.

You will design, develop, and enhance algorithmic trading strategies (e.g., market making, spreads, optimization, automated execution) and contribute to the evolution of a low-latency trading framework. The role involves working closely with traders and quantitative analysts to translate market insights into robust, production-grade systems.

Key Responsibilities

• Design and implement algorithmic trading strategies C#
• Enhance and optimize low-latency trading infrastructure
• Build and maintain real-time market data processing systems
• Integrate with exchanges and market access platforms (e.g., FIX APIs, power exchanges)
• Improve performance, scalability, and reliability of live trading systems
• Contribute to architecture decisions and technical roadmap

Requirements

• Experience building real-time or low-latency systems
• Exposure to algorithmic trading, market making, or automated execution
• Understanding of market data flows and exchange connectivity
• Experience with cloud platforms (e.g., Azure) is a plus
• Background in energy, commodities, or financial markets preferred

This is an opportunity to work on revenue-generating systems in a technically challenging environment where engineering quality directly impacts trading performance.