Senior Full Stack Software Engineer Jobs in Markham, ON

Innovate in software development by creating high-performance, scalable API Management solutions. Collaborate with talented engineers to refine architectural designs, enhance API capabilities, and lev...

Optimize the development of an AI-driven vacation booking platform, innovating from greenfield projects to existing systems. Collaborate closely with Product and QA teams to deliver quality solutions...

Unlock potential by leading data engineering initiatives, driving automation, and developing complex architectures for data solutions that empower analytics and reporting across teams, ensuring compli...

Transform backend deployment by building cloud-native tools and workflows, enhancing ephemeral environments, and shaping deployment guidance for consistent and efficient operations across development...

Elevate your career as you engineer scalable, high-performance systems that power millions of transactions. Collaborate with diverse teams to ensure code excellence, drive architectural decisions, and...

Transform your career by designing and developing scalable, high-performance applications. Collaborate with cross-functional teams to solve complex challenges while delivering efficient, maintainable...

Collaborate with cross-functional teams to design, develop, and deploy scalable, high-performance web applications using Java, while mentoring others and optimizing processes in a dynamic remote envir...

Collaborate with cross-functional teams to design, develop, and deploy scalable full-stack Java applications, ensuring high performance and security while mentoring junior developers and optimizing us...

Advance the technical strategy for mobile app infrastructure, collaborating across teams to enhance operations and ensure sustainability, while mentoring talent and promoting quality standards in a dy...

Pioneer innovative enterprise application solutions by designing complex integrations and mentoring developers while driving business growth through advanced technologies and scalable systems that enh...

Drive innovation by designing and developing high-scale applications across diverse technology stacks. Collaborate globally, manage projects, and enhance software solutions in a dynamic engineering en...

Shape the future of live-service games by modernizing DevOps practices. Leverage agentic automation and cloud infrastructure expertise to enhance system operations, ensuring reliability and performanc...

Engage in leading applications systems analysis and programming to implement innovative solutions that meet business goals and enhance processes while collaborating with diverse teams across the organ...

Unlock your potential by joining a dynamic team focused on backend and data engineering in cybersecurity. You will build scalable infrastructure, drive innovation, and contribute to impactful projects...

Join our innovative team to design, develop, and maintain scalable integration and data pipelines, enhancing secure data flows across diverse ecosystems and driving data-driven decision-making with ad...

Innovate with a talented agile team to develop cutting-edge home care management software using JavaScript and modern technologies. Collaborate on significant challenges while enhancing your skills in...

Pioneer innovative solutions in software development by building robust back-end APIs and dynamic front-end applications while mentoring engineers and enhancing AI capabilities within a collaborative...

Collaborate with diverse teams to drive complex rail systems integration projects. Leverage your engineering expertise to manage client relationships, and develop solutions that enhance operational ef...

Join our dynamic team to modernize a legacy application, drive strategic feature development, and collaborate cross-functionally. This hands-on role focuses on enhancing product architecture while ens...

Shape the future of Identity Security as a Staff Fullstack Engineer, architecting solutions to enhance enterprise-grade visibility and governance, preventing risks and transforming AI into business va...

Manage functional and automation testing projects for software in the Life Sciences sector, ensuring quality and compliance. Collaborate in an agile team to mentor peers and drive customer success for...

Lead innovative solutions by leveraging data to drive actionable insights and high-impact decisions for fleet managers. Collaborate across teams to create and refine software that enhances analytics c...

Engineer innovative financial solutions as a Senior Full Stack Developer, driving design and development excellence in our agile team while delivering robust applications for retail credit products an...

Innovate and lead as a Staff Software Engineer, architecting scalable server-side solutions in Java. Collaborate cross-functionally to enhance our security platform while mentoring engineers and drivi...

Join our team to develop an advanced SDK framework for GitLab Duo, focusing on TypeScript to craft innovative client solutions in a collaborative and remote environment. Lead architecture decisions an...