Top C++ Jobs in Montreal

Lead design and development of scalable, cloud-native financial and reconciliation systems on GCP. Own architecture, drive technical decisions, mentor engineers, embed AI and automation, collaborate with product and QA, and ensure reliability, performance, and test automation.

Lead development of core client systems and engine-level infrastructure in Unity/C#. Diagnose and fix cross-cutting performance issues, upgrade third-party SDKs, evolve build tooling, produce design docs, scope multi-week infrastructure initiatives, mentor engineers, and drive profiling, optimization, and architecture changes to enable future features.

Design, develop, and support high-performance, resilient C++ applications and infrastructure for fixed income and FX trade processing. Collaborate with users and engineering teams to gather requirements, integrate distributed systems, ensure scalability and reliability, troubleshoot production issues, and use modern tools (including AI-assisted tools) across the development lifecycle and CI/CD pipelines.

The role involves developing, testing, and maintaining software systems, collaborating with cross-functional teams, and mentoring junior developers while ensuring high code quality.

As a Backend Engineer, you'll improve Git and Gitaly by contributing features, bug fixes, and performance improvements, collaborating with the open source community, and participating in architectural discussions.

Integration Engineer for a high-throughput, real-time trading system. Manage production environment, deploy upgrades, design trading functionality, troubleshoot production issues, script with Perl/Shell, work with Linux-based C++ services and Java/C# front ends, and collaborate with traders and the team.

Design, develop, and optimize software applications using C++. Work with teams to ensure quality, documentation, and user interfaces. Promote testing practices and code reviews.

Develop and support high-throughput C++ transaction/event processing software on Linux/UNIX. Implement threading, interprocess communication, and XML-based messaging. Contribute to delivery, debugging, and production support of performance-sensitive systems.

Develop high-performance C++ market-data components (feed handlers, parsers, value-add servers) across asset classes. Optimize for low-latency, handle TCP/multicast, implement multithreading, memory management, and I/O on Linux. Debug and profile with gdb and performance tools. Work quickly in a fast-paced environment and communicate clearly in English.

The role involves developing pricing models in C++, enhancing credit risk data infrastructure, and collaborating with strategists to meet business requirements.

Design and implement a high-frequency trading platform, optimize for latency, develop market data systems, and create analysis tools.

Develop and maintain modern microservices using C#, ASP.NET, and NoSQL databases. Involve in CI/CD processes and contribute to full-stack development within a collaborative team.

As a Sr. Software Engineer, you'll design and develop features for a SaaS platform, collaborate with teams, tackle technical problems, and ensure high-quality solutions with an ownership mindset.

Design, build, test, and maintain enterprise C#/.NET applications within agile teams. Develop scalable REST APIs and data models, write automated unit tests, enforce SOLID/OOP practices, mentor engineers, participate in planning/code reviews, and communicate with clients to deliver high-quality solutions.

Join a team focused on computer vision and machine learning projects as an expert C++ developer, impacting leading global companies.

Design, develop, and maintain Guidewire-based P&C solutions. Lead medium-to-large feature development, create implementation and troubleshooting plans, perform unit testing, guide junior developers, and resolve application defects.

Develop and optimize ultra-low-latency, high-performance trading infrastructure in modern C++. Implement and tune order execution, market data connectivity, multi-threaded systems, and risk modules. Profile and benchmark real-time systems, collaborate with quants and traders, and maintain robust, fault-tolerant continuous trading operations.

The Software Developer will work on a world-class enterprise video surveillance solution, participating in design, development, and task planning while collaborating with quality assurance members. Responsibilities include developing new features, architecting solutions, and engaging in peer programming.

As a Software Developer, you'll design, develop, and deploy web applications using cutting-edge technologies, collaborating closely with UX designers and other teams to enhance user experience.

Lead a team to develop SaaS solutions while coding and mentoring engineers. Responsible for technical leadership and team management.

Design, develop, and optimize modern C++ code for a high-throughput indexing and search engine. Improve performance, scalability, and reliability by addressing memory management, concurrency, data structures, and distributed processing. Analyze bottlenecks, implement optimizations, and collaborate with engineering, data science, and product teams to build core indexing capabilities for AI-powered search.

Develop a quest gameplay engine for game server and mobile apps and build a visual no-code quest editor. Collaborate in one-week Scrum sprints, design software architecture, and use C++/Qt, JavaScript/TypeScript, git, and Linux.

Develop and maintain mobile app and no-code quest editor, implement gameplay engine and server, design software architecture, and collaborate in one-week Scrum sprints using C++, Qt, QML, MySQL, and AI-assisted tools.

As a Software Engineer, you will develop and maintain the Tally software stack, enhance robot navigation and autonomy, and support CI/CD processes.

Develop and maintain core components for a low-latency trading engine at Kraken, focusing on messaging solutions and system optimization.