Senior C++ Engineer - Ultra-Low Latency Trading Platform

Flow Traders; New York (NY); On-site; USD 185,000 - 225,000; Full time

Job summary

Flow Traders is seeking a Senior C++ Software Engineer to bolster our trading‑systems team in Amsterdam. You will develop core platform components used by researchers and traders, focusing on high‑performance, low‑latency C++ implementations across data feeds, pricing and strategies.

You’ll work with technologists, quants and traders in a fast‑paced environment, delivering scalable code, robust testing, and continuous improvements to the trading engine and related tooling.

Qualifications

• BSc, MSc, or PhD in Computer Science, Mathematics or equivalent.
• 5+ years post‑graduation professional C++ software development experience (proprietary trading industry preferred)
• Ability to write clean, reliable, and highly scalable code.
• Good knowledge of algorithms and data structures.
• Experience in parallel, asynchronous, and multithreaded programming.
• Interest in achieving maximum performance from available hardware and software.
• Ability to communicate with technical and non‑technical business colleagues.

Responsibilities

• Lead the development and global rollout of our Core platform used in multiple business/focus groups (Market data, Quantitative research, Pricing, Strategies)
• Be involved in the development process, which will be a fast‑paced iterative process where you deploy your deliverables and validate them yourself and/or together with traders or quants
• Develop tools/frameworks to deliver capabilities for tuning/develop data‑driven systematic pricing and trading strategies
• Work together with focus group engineers, Quants and Technical traders to refine requirements, collect feedback, and iterate on design and implementation of platform requirements
• Write software that communicates with exchanges through their APIs, receiving market data and sending orders over the network in different protocols, such as FIX, Websocket or HTTP requests
• Ensure quality of software based on a set of testing suites, which you are expected to use, maintain and extend
• Optimize exchange communication through kernel bypass, optimizing TLS or the connection handling to an exchange
• Research exchange behavior in detail to align our behavior to that of an exchange
• Implement these solutions using the provided exchange SDKs in different languages such as C++, Rust, Python, Typescript
• Implement trading algorithms based on requirements provided by traders and quants
• Acquire and develop the necessary trading knowledge to successfully translate the requirements into actual software implementation
• Continuously improve the stability, reliability, and performance of the trading engine
• Enhance monitoring and observability in collaboration with the Trading Operations team
• Investigate and resolve production issues such as crashes, unexpected business logic behavior, and performance bottlenecks
• Prepare for releases and deployments of new trading engine versions

Skills

C++

Multithreading

Parallel programming

Low latency

Algorithms

Communication

Education

BSc/MSc/PhD in CS or Math

Job description

Flow Traders is seeking a Senior C++ Software Engineer to bolster our trading‑systems team in Amsterdam. You will develop core platform components used by researchers and traders, focusing on high‑performance, low‑latency C++ implementations across data feeds, pricing and strategies.

You’ll work with technologists, quants and traders in a fast‑paced environment, delivering scalable code, robust testing, and continuous improvements to the trading engine and related tooling.