Software Senior Engineer Canada Jobs

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...

Join Temporal's UI team as a Senior Front-end Engineer to build intuitive interfaces for complex distributed systems. You'll own features using Svelte and TypeScript, focusing on performance and real-time data visualization. Enjoy a remote role in Canada with comprehensive benefits, including ful...

Join our team in Mississauga as a Senior Java Software Engineer. Design and build scalable microservices using modern cloud-native tech like AWS and Kubernetes. Champion engineering excellence through TDD, CI/CD, and trunk-based development. Enjoy global benefits, well-being support, and a focus ...

Join ClickHouse as a Senior Software Engineer to build core data integrations. You will own the full lifecycle of connectors for Kafka, Spark, Flink, and major BI tools. Requires 6+ years with JVM, Java, and big data frameworks. Enjoy a remote role in Canada with equity, healthcare, and a flexibl...

Join ClickHouse as a Senior Software Engineer to lead our strategic Postgres initiative in Canada. You will design backend services, extend our cloud platform, and build automation using Ruby, Go, or Python. This remote-friendly role offers equity, healthcare benefits, and the chance to solve com...

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...

Join Highspot's Coaching team in Vancouver as a Senior Backend Engineer. Develop scalable, AI-driven backend systems using Ruby/Python, integrating LLMs like ChatGPT and Claude. Enjoy comprehensive benefits, flexible PTO, and a focus on Agentic AI and intelligent workflows.

Join Inworld AI in Vancouver as a Senior SDET. Leverage 5+ years in C++/Python/NodeJS to build robust test automation and CI/CD pipelines. Design tests for AI Runtime and APIs, enhancing infrastructure in Playwright, Unreal, or Unity. Enjoy a role with equity, bonus, and benefits in a collaborati...

Join PointClickCare, a top health tech company, to shape the future of healthcare. As a Senior Software Engineer in Mississauga, you'll write clean Java/Spring Boot code, build RESTful APIs, and champion TDD. We offer Day 1 benefits, flexible PTO, and a culture that empowers innovation and growth.

Join Affirm in Canada as a Senior Backend Software Engineer. Design and launch scalable systems using Python/Kotlin, AWS, and Kubernetes. Own key projects, mentor engineers, and enjoy top benefits like full medical coverage and equity rewards.

Join Dropbox as a Senior Fullstack Product Software Engineer in Canada. Lead the design of seamless, scalable user experiences using your expertise in JavaScript, React, Node.js, and Python. Own key product areas, mentor junior engineers, and enjoy competitive benefits including flexible PTO and ...

Join Confluent as a Senior Software Engineer II in Ontario, Canada. Architect and develop our cloud-native Stream Governance platform for Kafka, ensuring high availability and scalability. Leverage 5+ years of experience in hyper-scale distributed systems and cloud services (AWS/GCP/Azure). Enjoy...

Join our mission-critical Observability team as a Senior Software Engineer II. Architect and operate our global-scale platform using Prometheus, Grafana, and OpenTelemetry. This remote role in Canada offers a chance to impact thousands of clusters across major cloud providers. Enjoy a remote-firs...

Seeking a Senior Software Engineer II for Platform Infrastructure in Canada. Design and operate scalable, secure core services like IAM, secrets management, and security telemetry in a hybrid engineering role. Requires 6+ years with cloud infrastructure (AWS/GCP/Azure), Kubernetes, and security d...

Join Wayve's core engineering team in Vancouver to build scalable infrastructure for our autonomous driving foundation model. You'll accelerate AI research by designing robust training pipelines and ML systems. This role requires strong distributed systems skills and experience with tools like Ku...

Join Mozilla's Firefox Performance team as a Senior Software Engineer. You will optimize the browser's speed across Windows, Android, Linux, and macOS using C++ and other languages. This remote role in Canada requires 5+ years of experience, strong debugging skills, and a commitment to open web v...

Join Cresta as a Senior Full Stack Engineer specializing in Authentication. Design and build scalable, secure authentication systems using Golang, React/Angular, and AWS. Lead technical initiatives for IAM protocols like OAuth 2.0 and OIDC within a remote-friendly Canadian team. Enjoy comprehensi...

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...

Join Dropbox as a Senior Infrastructure Software Engineer, Storage in Canada. Design and build large-scale, distributed storage systems using Go and Rust, ensuring exabyte-scale durability and performance. Leverage your 8+ years of experience in distributed systems and production debugging in a c...

Join a fully remote team as a Senior Software Engineer, shaping the future of solar design software with HelioScope. Leverage your 5+ years of full-stack expertise in Python, JavaScript, or React to build high-performing tools. Enjoy a culture of fast iteration, mentorship, and comprehensive bene...