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Senior Software Engineer - C/C++ Canada, Toronto Jobs

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Senior Software Engineer
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Join Alan's talented engineering team in Toronto to tackle high-impact projects with full ownership. We seek a passionate Senior Software Engineer with 3+ years of experience in Python and modern JavaScript. You'll help scale our product using Flask, React, and PostgreSQL in a collaborative, fast...
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Canada , Toronto
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Alan
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Senior Software Engineer, Backend (AI Agent)
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Join Cresta's AI Agent team in Toronto to build scalable backend systems for cutting-edge AI solutions. We seek a Senior Backend Engineer with 5+ years' experience in cloud architecture, APIs (gRPC/REST), and Kubernetes. You'll design reliable, high-performance server infrastructure for real-worl...
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Canada , Toronto
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Cresta
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Senior Java Software Engineer
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Join a global team in Toronto as a Senior Java Engineer for a critical Capital Markets platform. This hands-on role requires deep post-trade, SWIFT, and microservices expertise (Java 17+, Spring Boot). You will own the full lifecycle of high-performance systems in a true DevOps culture. This 12-m...
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Canada , Toronto
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Randstad
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Senior Software Engineer
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Join VAST Data in Toronto as a Senior Software Engineer focused on Database Internals. Design and optimize the core engine of our high-performance database system, working on storage, query execution, and transaction processing. This deep systems role requires strong C/C++ skills and expertise in...
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Canada , Toronto
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VAST Data
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Senior Software Engineer
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Seeking a Senior Software Engineer in Toronto to tackle high-impact projects and shape engineering practices. You'll design efficient systems, mentor teams, and contribute to hiring using Python/JavaScript. Enjoy top benefits like flexible leave, healthcare, and learning budgets in a collaborativ...
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Canada , Toronto
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Alan
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Senior Software Engineer, Backend (Voice Platform)
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Join Cresta's Voice Platform team in Toronto as a Senior Backend Engineer. Design and scale distributed microservices in Go, powering real-time AI-driven voice infrastructure. Lead initiatives in SIP/WebRTC, multilingual pipelines, and cloud reliability. Enjoy comprehensive benefits, wellness sup...
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Canada , Toronto
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Cresta
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Senior Software Engineer, Ingest
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Join Sentry's Client Infrastructure team in Toronto as a Senior Software Engineer. Design and scale global, distributed systems using Rust to ingest billions of daily events. Tackle complex challenges in high-performance data pipelines, including open-source projects like Relay. Enjoy competitive...
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Canada , Toronto
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200000.00 - 227000.00 CAD / Year
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Sentry
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Senior Software Engineer, Infrastructure
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Join Sentry.io in Toronto as a Senior Infrastructure Software Engineer. Design and build scalable platform services using Python, with cloud and Kubernetes expertise. Enable engineering teams with reliable, self-service tools and infrastructure. Enjoy competitive compensation, equity, and compreh...
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Canada , Toronto
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200000.00 - 295000.00 CAD / Year
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Sentry
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Explore senior software engineer jobs specializing in C/C++, a foundational and high-performance programming domain critical to systems where speed, efficiency, and direct hardware interaction are paramount. Senior Software Engineers in C/C++ are seasoned professionals who architect, develop, and optimize complex software systems. Their expertise is essential in industries such as operating systems, embedded electronics, game development, high-frequency trading, telecommunications, and database engineering, where resource management and real-time processing are non-negotiable. Professionals in these roles typically shoulder a wide array of responsibilities centered on the full software development lifecycle. A core duty involves designing robust software architecture, making critical decisions on data structures, algorithms, and system integration patterns. They write, review, and debug sophisticated, performance-critical code in C and C++, often dealing with memory management, concurrency, and low-level system APIs. A significant part of their work includes performance profiling and optimization, ensuring software operates with minimal latency and maximal throughput. They are also responsible for creating and maintaining technical documentation, leading code reviews to enforce best practices, and mentoring junior engineers to elevate team capability. Collaboration is key, as they frequently work alongside cross-functional teams, including hardware engineers, product managers, and QA specialists, to translate complex requirements into reliable and scalable software solutions. The typical skill set for these senior roles is demanding and specific. Mastery of C and C++ is fundamental, with a deep understanding of language nuances, modern standards (C++11/14/17/20), and associated toolchains. Proficiency in software design principles, object-oriented and procedural programming, and system-level concepts like multithreading, sockets, and memory models is required. Strong experience with version control systems, such as Git, and familiarity with build systems (CMake, Make) is standard. Knowledge of scripting languages like Python for automation, as well as experience with debugging and profiling tools (e.g., GDB, Valgrind, VTune), is highly valuable. While not always mandatory, a solid foundation in computer science, often evidenced by a degree in a related field, is common. Ultimately, successful candidates demonstrate exceptional problem-solving abilities, a meticulous attention to detail, and the capacity to own projects from conception through to deployment and maintenance. For those seeking to leverage deep technical expertise on challenging projects, exploring senior C/C++ software engineer jobs offers a pathway to impactful work at the core of technology.

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