Senior C++ Developer

STACK IT Recruitment

Senior C++ Developer modernizing enterprise security applications in Canada. Join a well-established software company that prioritizes reliability, performance, and data protection.

Posted 6/30/2026full-timeMississauga • 🇨🇦 CanadaSenior💰 CA$110,000 - CA$130,000 per yearWebsite

Tech Stack

Tools & technologies

LinuxShell ScriptingTCP/IPUnix

About the role

Key responsibilities & impact

Design, develop, and support high-performance enterprise applications using modern C++ within complex, mission-critical environments
Modernize existing client-server applications by introducing modern APIs and new methods of application integration
Develop new enterprise software supporting critical data security, auditing, and compliance solutions for enterprise customers
Architect scalable software components that operate across enterprise operating environments
Write clean, maintainable, and efficient C++ code following modern software engineering best practices
Optimize application performance through advanced profiling, memory analysis, multithreading optimization, and bottleneck identification
Work closely with UNIX/Linux operating systems, system APIs, networking stacks, and low-level communication protocols
Implement secure coding practices including encryption, vulnerability mitigation, and application security controls
Participate in source control management, code reviews, branching strategies, and collaborative development using Git
Develop and maintain integrations with enterprise database technologies and high-availability transaction processing environments
Troubleshoot complex production issues and support highly available enterprise software platforms
Collaborate with cross-functional engineering teams throughout design, development, testing, and deployment activities
Maintain technical documentation, development standards, and software design artifacts
Continuously identify opportunities to improve application performance, scalability, maintainability, and security

Requirements

What you’ll need

10+ years of professional experience developing enterprise software applications using C++
Expert-level knowledge of modern C++, object-oriented design principles, and software architecture
Strong experience building multithreaded, high-performance applications
Deep understanding of memory management, debugging techniques, profiling tools, and performance optimization
Strong experience working within UNIX and Linux operating environments
Hands-on experience with system APIs, shell scripting, and TCP/IP networking concepts
Strong understanding of secure software development, encryption standards, vulnerability management, and secure coding practices
Experience using Git, modern version control workflows, code reviews, and collaborative development methodologies
Experience working with C/C++ build systems, compilers, linkers, and Makefiles
Experience developing enterprise applications that require high availability, reliability, and scalability
Strong analytical, troubleshooting, and problem-solving skills
Excellent communication skills with the ability to collaborate across technical teams

Benefits

Comp & perks

Base Salary: $110,000 - $130,000
Paid Time Off: Competitive vacation and personal days to help maintain a healthy work-life balance
Health & Wellness Benefits: Medical, dental, and vision benefits to support your overall well-being

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

C++ ProgrammingObject-Oriented DesignMultithreading OptimizationMemory ManagementDebugging TechniquesPerformance OptimizationSystem APIsTCP/IP NetworkingBuild SystemsMakefiles

Soft Skills

Analytical SkillsTroubleshooting SkillsProblem-Solving SkillsCommunication Skills