C++ Low Latency Engineer

Allegis Group Singapore Pte Ltd; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

Allegis Group Singapore Pte Ltd seeks a C++ Low Latency Engineer to design and optimise high-performance market data platforms for real-time trading environments. You will build infrastructure across global markets, tackling microsecond latency, reliability, and scalability challenges.

The role focuses on modern C++17/20, low-latency architectures, and Linux kernel profiling within a fast-paced fintech setting. Strong collaboration across global teams is expected.

Qualifications

• Modern C++: Expert-level knowledge of C++17/C++20, template metaprogramming, and RAII.
• Low-Latency Architecture: Proven track record building high-frequency trading engines or ultra-low-latency market data systems.
• Linux Systems Programming: Deep understanding of the Linux kernel, memory management, huge pages, and CPU pinning.
• Concurrency Models: Mastery of lock-free data structures, multithreading primitives, and memory barriers.
• Network Programming: Strong experience with TCP/UDP socket programming, multicast streaming, and custom serialization.

Responsibilities

• High-Performance Development: Write clean, resilient, and thread-safe modern C++ code optimized for microsecond-level performance.
• Latency Optimization: Profile systems to eliminate CPU bottlenecks, minimize cache misses, and reduce context switching.
• Feed Handling & Protocols: Build and maintain exchange connectivity layers utilizing FIX, FAST, and native binary wire protocols.
• Architecture Evolution: Modernize legacy real-time distribution frameworks into scalable, high-throughput hybrid architectures.
• System Telemetry: Implement microsecond-level tracing, instrumentation, and eBPF profiling to monitor data journeys.
• Production Resiliency: Provide Level 3 engineering support to debug complex, concurrent production issues and guarantee uptime.

Skills

Modern C++

Low latency

Linux systems

Concurrency

Network programming

Tools

eBPF profiling

TCP/UDP sockets

FIX/FAST protocols

Job description

A world-leading financial services organisation is seeking a C++ Low Latency Engineer to develop and optimise high-performance market data platforms which support real-time trading environments. You will work on low-latency systems designed to handle massive data volumes while delivering exceptional speed, reliability, and scalability. This opportunity is well suited to candidates interested in building infrastructure across global markets, while contributing to a fast-paced and innovative environment.

Key Responsibilities

• High-Performance Development: Write clean, resilient, and thread-safe modern C++ code optimized for microsecond-level performance.
• Latency Optimization: Profile systems to eliminate CPU bottlenecks, minimize cache misses, and reduce context switching.
• Feed Handling & Protocols: Build and maintain exchange connectivity layers utilizing FIX, FAST, and native binary wire protocols.
• Architecture Evolution: Modernize legacy real-time distribution frameworks into scalable, high-throughput hybrid architectures.
• System Telemetry: Implement microsecond-level tracing, instrumentation, and eBPF profiling to monitor data journeys.
• Production Resiliency: Provide Level 3 engineering support to debug complex, concurrent production issues and guarantee uptime.

Key Qualifications

• Modern C++: Expert-level knowledge of C++17/C++20, template metaprogramming, and RAII.
• Low-Latency Architecture: Proven track record building high-frequency trading (HFT) engines or ultra-low-latency market data systems.
• Linux Systems Programming: Deep understanding of the Linux kernel, memory management, huge pages, and CPU pinning.
• Concurrency Models: Mastery of lock-free data structures, multithreading primitives, and memory barriers.
• Network Programming: Strong experience with TCP/UDP socket programming, multicast streaming, and custom serialization.

We regret to inform that only shortlisted candidates will be notified.