Senior C++ Market Data Engineer – Low-Latency Trading

Flow Traders; Chicago (IL); On-site; USD 225,000 - 300,000; Full time

Job summary

Flow Traders seeks a Senior C++ Software Engineer in Chicago to lead the next‑generation market data and execution platform architecture. You will shape low‑latency paths from wire to strategy for a proprietary trading environment and drive performance, robustness, and observability across the core platform.

You will collaborate with quants, traders, and engineers to own components end‑to‑end, deliver improvements, and push hardware‑aware optimizations to maximize system throughput and

Qualifications

• BSc, MSc, or PhD in Computer Science, Mathematics, or a related field.
• 7+ years of post‑graduation professional 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 available hardware and software (CPU caches, memory layout, networking, etc.).
• Ability to communicate effectively with both technical and non‑technical colleagues.

Responsibilities

• Lead the development and global rollout of our Core market data platform used across multiple focus areas (Market data, Research engineering, Pricing, Strategies).
• Design and implement high‑performance components for market data ingestion, normalization, and distribution, as well as its usage for order execution and strategy infrastructure.
• Develop tools and frameworks that enable quants and technical traders to build, tune, and deploy data‑driven systematic pricing and trading strategies.
• Own the full lifecycle of your components in a fast‑paced, iterative environment: deploy, monitor, profile, and optimize your code in production.
• Work closely with focus group engineers, quants, and technical traders to refine requirements, collect feedback, and iterate on the platform's design and implementation.

Skills

C++ software development

Low-latency systems

Multithreaded programming

Algorithms & data structures

Communication

Education

Bachelor/Master/PhD in CS/Math/related field

Job description

Flow Traders seeks a Senior C++ Software Engineer in Chicago to lead the next‑generation market data and execution platform architecture. You will shape low‑latency paths from wire to strategy for a proprietary trading environment and drive performance, robustness, and observability across the core platform.

You will collaborate with quants, traders, and engineers to own components end‑to‑end, deliver improvements, and push hardware‑aware optimizations to maximize system throughput and