Senior Software Engineer, C++, Core Platform

In this role you will lead the design and rollout of Flow Traders’ Core market data platform, enabling high-performance, low-latency ingestion and distribution to support quantitative research, pricing, and strategy execution. You will work closely with quants and technical traders to push the system toward optimal speed and reliability, shaping the path from wire to strategy. Expect to optimize across CPU, memory, and networking while upholding robust observability. This position offers impact across multiple groups and a chance to drive state-of-the-art performance in a fast-paced trading environment.

• Lead development and global rollout of the Core market data platform used across Market Data, Research engineering, Pricing, and Strategies
• Design and implement high-performance market data ingestion, normalization, and distribution components, plus usage for order execution and strategy infrastructure
• Develop tools/frameworks for quants and technical traders to build and deploy data-driven pricing and trading strategies
• Own full lifecycle of components in a fast-paced, iterative environment: deploy, monitor, profile, and optimize in production
• Collaborate with focus group engineers, quants, and technical traders to refine requirements and iterate on platform design

• 7+ years of post-graduation C++ software development experience
• Experience building low-latency market data ingestion, order execution, and algorithmic trading systems (proprietary trading industry preferred)
• Strong knowledge of algorithms and data structures
• Experience in parallel, asynchronous, and multithreaded programming
• Demonstrated ability to write clean, reliable, and highly scalable C++ code
• Interest in extracting maximum performance from hardware and software (CPU caches, memory layout, networking)
• Ability to communicate effectively with technical and non-technical colleagues

• Effective communication with technical and non-technical colleagues
• Collaborative mindset with quants and traders
• Problem-solving and attention to detail
• C++ (modern)
• Low-latency systems
• Market data ingestion