Senior C++ Developer Low Latency Trading Systems

Creative Solutions Services, LLC; Montreal (administrative region); Hybrid; CAD 180,000 - 280,000; Full time

Job summary

Career Developers Inc. in Montreal, Canada is seeking a Senior C Low-Latency Trading Systems Developer to join our high-performance engineering team.

This hybrid role requires three days onsite in Montreal and offers a salary range of 180,000–280,000 CAD, commensurate with experience. You will design, build, and optimize ultra-low-latency components, collaborate with trading desks and technology stakeholders, and own the full development lifecycle from architecture through validation and

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field.
• 5 years of experience building mission-critical, high-performance systems.
• Expert-level C development in Linux environments.
• Strong networking, multithreading, and performance optimization knowledge.
• Experience with CI/CD, version control, and automated testing.

Responsibilities

• Partner with trading teams and technology stakeholders to translate requirements into high-performance solutions.
• Design, build, and optimize low-latency components including order gateways and market data systems.
• Own full development lifecycle: architecture, coding, testing, deployment, and optimization.
• Ensure scalability, resiliency, and ultra-low latency across trading infrastructure.
• Participate in architecture design, peer code reviews, and engineering best practices.
• Implement robust testing, monitoring, and validation frameworks to ensure uptime and performance.
• Provide Level 2 production support, troubleshooting, and performance tuning.
• Mentor developers and contribute to a strong engineering culture focused on continuous improvement.

Skills

C programming

Linux systems

Low-latency systems

Multithreading

Networking

Python scripting

Education

Bachelor's degree in CS/Engineering

Tools

CI/CD

Version control

Automated testing

Job description

Career Developers Inc., a distinguished staffing and consulting firm, is proud to celebrate 30 years of service excellence. As a GSA Contract holder, we offer comprehensive staffing solutions for both commercial and government sectors nationwide. By selectively partnering with clients who share our values, we ensure productive collaborations that set us apart in the industry. Our dedication to candidates involves managing expectations with precision through business intelligence, thorough interview preparation, transparent communication, and exceptional feedback throughout the process.

We are committed to advancing your career and look forward to supporting your professional growth.

Senior C Low-Latency Trading Systems Developer

Location: Montreal, CA – Hybrid (3 days onsite)

Salary: 180,000–280,000 CAD (commensurate with experience)

Must have the following: Advanced C in Linux, low-latency systems, multithreading, networking, market data/order routing, Python scripting

Responsibilities:

• Partner with trading teams and technology stakeholders to translate requirements into high-performance solutions
• Design, build, and optimize low-latency components including order gateways and market data systems
• Own full development lifecycle: architecture, coding, testing, deployment, and optimization
• Ensure scalability, resiliency, and ultra-low latency across trading infrastructure
• Participate in architecture design, peer code reviews, and engineering best practices
• Implement robust testing, monitoring, and validation frameworks to ensure uptime and performance
• Provide Level 2 production support, troubleshooting, and performance tuning
• Mentor developers and contribute to a strong engineering culture focused on continuous improvement

Requirements:

• Bachelor's degree in Computer Science, Engineering, or related field
• 5 years of experience building mission-critical, high-performance systems
• Expert-level C development in Linux environments
• Strong understanding of networking concepts, multithreading, and performance optimization
• Experience with modern development practices (CI/CD, version control, automated testing)
• Strong collaboration and communication skills in cross-functional teams
• Proficiency in Python for scripting and automation

Preferred Experience:

• Experience building low-latency electronic trading platforms
• Knowledge of exchange connectivity protocols and financial data formats
• Exposure to equities, derivatives, or multi-asset trading systems
• Additional scripting or automation expertise

INDH

C , low latency trading, market access, electronic trading systems, Linux development, multithreading, networking, order routing, market data, high frequency trading, algorithmic trading, trading infrastructure, performance optimization, C developer, Python scripting, financial technology, FIX protocol, exchange connectivity, real-time systems, distributed systems, scalable systems, capital markets technology, derivatives trading, equities trading, software engineering, latency optimization, systems programming, high throughput systems, trading platforms, fintech engineering, backend development, infrastructure engineering