C++ Software Engineer

Reactive Markets

. Build low-latency trading infrastructure on Linux .

Posted 10/23/2026full-timeSingaporeMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building low-latency trading infrastructure using modern C++20 and Go on Linux, with a strong focus on performance optimization and system reliability. Capable of managing the full software lifecycle and responding effectively to production incidents while collaborating with distributed teams.

Highest-signal resume keywords

C++ ProgrammingLinux Systems ProgrammingCloud-Native Infrastructure on AWSPerformance OptimizationFIX Protocol Integration

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Hard Skills

C++20GoLinuxPerformance ProfilingTCP/UDP NetworkingPythonGitShell ScriptingLow-Latency SystemsProduction Incident Management

Soft Skills

Proactive CommunicationCuriosityOwnershipCollaborationDocumentation Skills

Tools & Technologies

AWSObservability DashboardsMonitoring ToolsMessaging LayersMarket-Data Systems

Industry Keywords

Financial ServicesTrading TechnologyMarket-Data PipelinesReference-Data PipelinesDistributed Engineering

Tech Stack

Tools & technologies

AWSCloudLinuxPythonShell ScriptingC++Go

About the role

Key responsibilities & impact

Build low-latency trading infrastructure on Linux
Develop core components of the Switchboard trading platform, including pricing engines, connectivity gateways, market-data systems, and messaging layers
Work with modern C++20 and Go on Linux
Build and operate cloud-native infrastructure on AWS with colocation in key data centres
Optimise systems for microsecond-level latency and high-throughput messaging
Develop market-data and reference-data pipelines across multiple asset classes
Integrate FIX protocol connections with global banks and liquidity providers
Build observability and monitoring dashboards, alerting, and metrics
Design, test, deploy, support, and improve production trading systems
Own the full software lifecycle from design through operational excellence
Investigate and fix production incidents
Respond to critical incidents and provide Level 3 support
Document systems and processes
Collaborate with a distributed engineering team across multiple time zones
Participate in code reviews and continuous improvement

Requirements

What you’ll need

3+ years of strong C++ experience with Linux systems programming
Understanding of low-level systems and what is underneath the code
Experience with performance-sensitive systems, including profiling, optimisation, and deterministic behaviour
Familiarity with networking fundamentals, including TCP/UDP and socket programming
Go experience is a strong bonus; willingness to learn and work with Go internally
Python for scripting, automation, testing, and data analysis
Git and shell scripting
Experience in financial services or trading technology is a plus but not essential
Delivery-focused approach and willingness to take ownership of production behaviour
Ability to respond to incidents with a 15-minute acknowledgement SLA during working hours
Documentation skills
Clear, proactive communication across multiple time zones
Ability to write clean, testable code and conduct thoughtful peer reviews
Curiosity and willingness to learn AI tooling such as Claude and Gemini
Existing right to work in Singapore
Must be able to work occasional hours outside normal working hours for production releases, scheduled maintenance, and Level 3 support
No visa sponsorship available

Benefits

Comp & perks

Up to 30 days leave plus bank holidays
Private health insurance
Pension
Life insurance
Dental/optical cashback
Cycle to work scheme
Socials and offsites
Remote-friendly work from home with flexibility
Sustainable pace and work-life balance
Career progression to senior roles, performance specialisation, or technical leadership
Professional investment in employee growth