Senior Backend Engineer Jobs in Thornhill, ON

Advance your career by developing innovative iOS applications, collaborating with a skilled team to lead major features, mentor peers, and enhance software quality through testing and research...

Shape the identity and authorization framework for a leading platform, designing fine-grained access controls and credential systems to enhance enterprise security and governance while ensuring high p...

Join a dynamic team to innovate and develop cutting-edge web applications for contractors. Drive technical excellence and collaborate across functions to redefine the home renovation industry while su...

Drive the development of innovative front-end solutions for client-facing web applications, leveraging React.js and Vue.js to enhance user experience and optimize online banking services while collabo...

Tackle complex challenges in capacity modeling, ensuring infrastructures handle peak demands while leading strategic initiatives and cross-team collaborations to optimize performance and reliability...

Shape innovative full-stack applications by leveraging TypeScript, React, and Node.js. Collaborate with cross-functional teams to deliver high-quality features while enhancing developer experience and...

Transform the mobile landscape by leading the development of a cutting-edge React Native application for iOS and Android, enhancing user experience and driving innovation in a collaborative environmen...

Elevate your career by joining a dynamic engineering team focused on building a scalable Authentication as a Service platform. Collaborate on backend development, automated testing, and quality assura...

Elevate enterprise AI capabilities by designing and deploying innovative agentic systems. Collaborate with clients to create tailored workflows that enhance productivity and scalability across diverse...

Champion innovation by collaborating with cross-functional teams to design and implement robust backend systems, enhancing user experiences across multiple platforms while driving growth and operation...

Transform financial systems by designing core ledger structures and ensuring accuracy in new product features. Collaborate with engineering and finance teams to create scalable solutions that uphold a...

Lead the charge in enhancing user experiences across mobile and web platforms. Collaborate with cross-functional teams to deliver impactful projects, ensuring timely execution and operational excellen...

Lead the charge in developing innovative Android applications, collaborating with a skilled team to enhance consumer and enterprise solutions while mentoring peers and ensuring high-quality software d...

Join a team that's redefining observability by leading the architecture of a high-volume telemetry pipeline, mentoring engineers, and driving cross-functional projects to enhance system performance an...

Help us build and optimize high-performance backend microservices using .NET Core and PostgreSQL, ensuring scalability and maintainability across a distributed system of over 100 microservices while c...

Transform the user experience by designing and implementing innovative backend solutions for a cutting-edge checkout platform, enhancing accessibility and flexibility for financial products in a colla...

Champion the evolution of our electronic trading platform by designing and enhancing scalable, low-latency systems. Collaborate globally to improve platform performance and reliability in a highly aut...

Join a team that's redefining enterprise solutions by bridging business strategy and technical execution. As a key engineer, you'll lead integration projects, mentor talent, and drive innovation acros...

Engineer robust backend systems that enhance logistics efficiency, ensuring timely order fulfillment and shopper compensation. Collaborate across teams to drive platform best practices and elevate sof...

Elevate software engineering by designing and maintaining microservices that drive service connectivity. Collaborate with Product Management to create impactful solutions that enhance both customer ex...

Collaborate with cross-functional teams to drive complex technical projects, simplifying systems and leveraging modern tooling to enhance performance and reliability in a dynamic software environment...

Join a team that's shaping the future of financial technology by building robust APIs and systems that manage global money movement. Collaborate across functions to deliver innovative solutions and en...

Take ownership of developing cutting-edge ASP.NET applications to enhance our tax publishing platform. Collaborate with a dynamic team while optimizing backend processes to deliver intuitive software...

Lead the charge in delivering innovative cloud-based SaaS solutions by designing and developing scalable applications. Collaborate with cross-functional teams to enhance AI-driven software delivery an...

Architect robust Kubernetes solutions to enhance cloud infrastructure. Drive multi-cloud initiatives and implement cell-based architecture for scalable, reliable services. Join a team dedicated to bui...