Senior Full Stack Software Engineer Jobs in Thornhill, ON

Unlock potential by leading electrical design projects for various facilities, managing scopes, deliverables, and budgets while mentoring junior engineers and ensuring innovative solutions in building...

Join a team that delivers innovative software solutions while mentoring developers. You will provide technical guidance on projects, collaborate with stakeholders, and drive the execution of scalable...

Elevate the development experience by leading a small team to build scalable software solutions. Collaborate with cross-functional stakeholders to refine roadmaps and implement best practices for mode...

Drive the advancement of CI/CD processes in a dynamic software development environment. You'll design automation solutions, enhance infrastructure, and collaborate globally to boost efficiency and sta...

Join a team that's enhancing Firefox's WebExtensions platform by developing APIs, improving UI features, and ensuring reliable extensions. Collaborate with cross-functional experts to foster a safe an...

Discover your potential as an Intermediate Software Engineer, enhancing popular live-service games. Collaborate with a senior team, contribute to a large-scale codebase, and leverage modern tools to d...

Accelerate progress at our core international payment processing teams by developing robust software solutions in a hybrid environment. Collaborate, innovate, and drive financial technology forward wh...

Engineer robust production systems, ensuring reliability, scalability, and performance. Lead efforts from concept through deployment while collaborating with teams to enhance development workflows and...

Innovate the frontend landscape at Vanta by defining technical strategies, establishing best practices, and enhancing team collaboration to drive operational excellence and high-quality product develo...

Join our team as a Data Solutions Lead to shape and optimize large-scale data platforms in complex environments, collaborating across business and tech to deliver impactful solutions and drive strateg...

Build scalable, high-availability full-stack applications and services that power intelligent transportation systems while collaborating with cross-functional teams to optimize engineering processes...

Accelerate innovation as a Full-Stack Software Engineer, designing and maintaining scalable, high-availability applications. Work across frontend and backend systems to deliver impactful solutions in...

Empower security for millions by joining our fast-paced team that builds robust Attack Protection capabilities, innovating defense mechanisms against automated threats and ensuring safe login experien...

Transform the future of software solutions by designing, developing, and optimizing applications that drive business success. Collaborate with cross-functional teams to implement innovative technologi...

Pioneer streamlined engineering workflows by developing internal tools and services that enhance the developer experience, ensuring high reliability and scalability in an AWS environment while collabo...

Contribute to building critical operational tools that enhance efficiency and support teams. Collaborate closely with diverse stakeholders and lead projects from ideation to execution, making a direct...

Join our digital experience team as a senior front-end developer, leading the development of high-quality, reusable web and mobile components, while collaborating across various teams to establish bes...

Lead the charge in transforming our software engineering team by architecting robust solutions and mentoring talent, ensuring a collaborative environment focused on innovation and high-quality product...

Take ownership of developing cutting-edge, cross-platform mobile applications using React Native. Collaborate with teams, solve technical challenges, and maintain high standards for performance and us...

Drive technical excellence as a Principal Software Engineer, leading complex projects, mentoring teams, and innovating with modern tools to enhance engineering productivity while aligning strategies w...

Champion technical excellence by leading software architecture, enhancing team performance, and driving innovative solutions in a hands-on role that shapes product delivery and engineering best practi...

Explore complex software engineering challenges, enhancing a full-stack platform through design, coding, and testing within an agile team, driving automated merchant solutions to streamline analysis a...

Drive your career with this hands-on role, owning the Data Hub platform's architecture and transforming data into valuable assets while collaborating closely across teams and ensuring operational exce...

Shape the future of API services and dashboard functionalities, promoting a secure, scalable platform. Collaborate with agile teams, mentor engineers, and implement improvements to enhance user experi...

Shape the future of technology solutions by leading the design, development, and delivery of innovative applications that align with business goals while driving cross-functional collaboration in an a...