Software Engineer

3X SOLUTION PRIVATE LIMITED; Singapore; On-site; SGD 70,000 - 120,000; Full time

Job summary

3X SOLUTION PRIVATE LIMITED is seeking a Software Engineer (Trading Solution) to design, develop, and maintain high-performance trading software across multiple asset classes. You will work on low-latency C++ applications, connectivity to exchanges, market data feeds, and execution gateways.

The role emphasizes architectural involvement, performance optimization, and robust testing in a real-time trading environment.

Qualifications

• Proven experience in C++ software development in a production environment.
• Strong understanding of OO design, data structures, algorithms and concurrency.
• Experience with low-latency or high-performance trading systems is advantageous.

Responsibilities

• Design, develop and maintain low-latency C++ trading applications and infrastructure.
• Participate in architectural discussions for scalable, reliable trading solutions.
• Profile and optimize code for latency and memory usage in real-time trading environments.
• Develop and maintain connectivity to exchanges and data providers using FIX, WebSocket and TCP/IP.
• Write unit and integration tests and participate in code reviews to ensure quality.
• Investigate production issues, perform root-cause analysis and implement fixes.
• Collaborate with analysts, quants and other developers on new features and upgrades.
• Contribute to improving development workflows, CI/CD pipelines and automation.

Skills

C++11/14/17

Low-latency systems

Multithreading

Network programming

Python scripting

Unit testing

Agile practices

Education

Bachelor's degree in Computer Science/Software Engineering/IT

Tools

Git

CI/CD pipelines

FIX protocol

WebSocket

Job description

Software Engineer(Trading Solution)

This role is dedicated to designing, developing, andmaintaining high-performance trading solutions, including FIX engines, OrderManagement Systems (OMS), market data feeds, and execution gateways, acrossmulti-asset classes including stocks, derivatives, FX, and cryptocurrency.

Key Responsibilities

• Software Development: Design, develop, and maintain low-latency, high-throughput C++ applications for trading systems and related infrastructure.
• System Design & Architecture: Participate in architectural discussions and contribute to the design of scalable, reliable, and performant trading solutions.
• Performance Optimization: Profile and optimize C++ code for latency, memory usage, and throughput in a real-time trading environment.
• Integration & Connectivity: Develop and maintain connectivity to exchanges, market data providers, and internal systems using protocols such as FIX, WebSocket, and TCP/IP.
• Testing & Quality Assurance: Write unit tests, integration tests, and participate in code reviews to ensure high code quality and reliability.
• Incident & Problem Resolution: Investigate and resolve production issues, perform root cause analysis, and implement fixes and preventive measures.
• Collaboration: Work with IT business analysts, vendors, quants, and other developers to implement enhancements, new features, and software upgrades.
• Process Improvement: Contribute to improving development workflows, CI/CD pipelines, and automation of manual tasks.

Qualifications

• Proven experience in C++ software development (C++11/14/17 or later) in a production environment.
• Strong understanding of object-oriented design, data structures, algorithms, and multithreading/concurrency.
• Experience with low-latency or high-performance systems is a strong advantage.
• Familiarity with network programming (TCP/IP, UDP, multicast) and messaging protocols such as FIX.
• Proficiency in Python for scripting, automation, or tooling is an advantage.
• Hands‑on exposure to software testing processes, including unit testing, regression testing, and UAT coordination.
• Experience with version control (Git), CI/CD pipelines, and agile development practices.
• Excellent analytical, troubleshooting, and communication skills.
• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field.
• Prior experience in financial technology, trading software, or exchange connectivity is a strong advantage.