Senior Backend Engineer Jobs in Thornhill, ON

Transform your career by leading impactful product features from design to delivery. Collaborate with cross-functional teams, mentor peers, and shape engineering practices while balancing speed and qu...

Optimize your career by architecting high-performance backend systems for a leading data platform. Drive innovation in cloud data activation, collaborating with cross-functional teams to enhance user...

Optimize our data activation platform by designing scalable, high-performance backend systems. Collaborate with cross-functional teams to enhance user experience and drive innovation in cloud data sol...

Transform our data platform by building and scaling innovative Spark and Delta Lake pipelines. Collaborate with a dedicated team to enhance data governance and analytics, ensuring high-quality, reliab...

Transform enterprise software by leading the design and development of innovative features that enhance sales performance and streamline planning processes, while collaborating with a dynamic team of...

Build and scale innovative Cache Services, enhancing data infrastructure and automating workflows to optimize performance and reliability. Collaborate with teams to deliver impactful solutions that dr...

Join a team that's evolving and scaling backend systems for a cutting-edge platform. Drive architectural initiatives, enhance security, and solve complex challenges in a dynamic environment focused on...

Contribute to the development of scalable B2B SaaS applications, leveraging full-stack expertise in Java, Angular, and AWS. Collaborate with cross-functional teams to deliver high-quality software sol...

Champion innovation by designing and building backend systems for a cutting-edge mesh networking platform, ensuring secure, real-time data communication in challenging environments. Join a dynamic tea...

Join a team that's building innovative backend services and infrastructure for next-gen crypto and web3 solutions. Collaborate to deliver scalable, high-quality systems that enhance trading experience...

Join our AI-first engineering team to enhance and innovate across our core and next-gen platforms. Leverage your full stack expertise to drive impactful solutions while mentoring others in agentic dev...

Drive innovation in Stripe's authentication ecosystem by enhancing our IAM Login Services. Collaborate across teams to optimize security features, expand OAuth offerings, and support AI integration fo...

Drive the evolution of Stripe's authentication stack as a Backend Engineer, enhancing security and scalability while collaborating with teams to deliver innovative IAM solutions supporting enterprise...

Build scalable backend services and cloud infrastructure for a new authentication platform, driving innovation and reliability across multiple marketplaces while collaborating with a dynamic engineeri...

Innovate the future of AI by building strategic partner integrations that enhance our platform. Collaborate with leading tech teams to transform partnerships into impactful products, ensuring seamless...

Shape the future of AI at scale by designing and building robust backend systems that enhance productivity and governance across diverse workloads, ensuring reliability and security for millions of us...

Build innovative user experiences for AI-powered communication agents across multiple channels. Collaborate with Product and Design to shape the platform, tackle complex problems, and drive frontend a...

Transform the future of healthcare technology by developing innovative cloud-native applications. As a Full Stack Engineer, you'll leverage Golang and React to create scalable solutions that enhance e...

Join a team that's building innovative cloud-native applications, developing scalable backend services and modern web solutions using Golang and React. Collaborate on complex engineering challenges to...

Explore a dynamic role developing cloud-native applications using Golang and React. Collaborate with cross-functional teams to create scalable backend services and modern web applications, tackling co...

Lead the development of essential software solutions for small businesses. Collaborate with cross-functional teams to design, build, and launch features in Scheduling, HR Management, and Payroll, whil...

Lead the development of large-scale product features, ensuring robust, secure, and maintainable code. Collaborate with cross-functional teams to influence product strategy while mentoring junior engin...

Develop and lead production web applications using modern technologies and AI-driven practices. Collaborate with cross-functional teams, mentor developers, and ensure high-quality delivery while adher...

Join a team that's transforming digital experiences by developing scalable web applications. Collaborate with cross-functional teams to create seamless front-end and back-end solutions that make a rea...

Join us to lead full-stack projects in Identity and Access Management, enhancing security and user experience for MongoDB Atlas. Collaborate across teams to deliver innovative solutions while growing...