Senior UI Software Engineer Jobs in Toronto, ON

Elevate your career by building a cross-platform mobile app from scratch. As the primary engineer, you'll own the architecture and implementation, collaborating with teams to deliver a seamless user e...

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...

Lead the charge in delivering Honeycomb Private Cloud, driving product growth, and collaborating across teams to enhance operational processes while building a high-performing engineering team to supp...

Lead the charge in developing a high-throughput Order Management Platform, enhancing client connectivity and automation in a dynamic, multicultural environment. Collaborate with global teams to drive...

Unlock your potential as a strategic partner to senior Engineering leaders, driving organizational change and fostering a high-performance culture across global teams in a fast-paced tech environment...

Champion infrastructure excellence by leading technical operations, mentoring teams, and ensuring optimal performance across on-premises and cloud environments. Drive improvements in service quality a...

Develop and maintain scalable backend applications and data pipelines, leveraging cloud infrastructure and modern programming languages to enhance system performance and support data analytics, while...

Transform the trading landscape by leading a dynamic team to develop innovative backend solutions. Collaborate across functions to deliver high-performance products that enhance client experiences in...

Champion the development of advanced AI systems by designing and optimizing a flexible Agent Execution framework that integrates seamlessly with various compute environments, empowering teams to condu...

Transform energy solutions by designing and developing automation for battery storage and microgrid systems. Collaborate with multidisciplinary teams to innovate and deliver advanced control solutions...

Transform developer experiences by designing intuitive growth-focused products. Collaborate with a dedicated team to enhance usability, streamline onboarding, and boost retention for impactful voice-d...

Elevate software quality by designing and executing comprehensive test cases. Leverage automation frameworks like Playwright to ensure functionality, performance, and compliance across cloud applicati...

Join a dynamic team to develop and enhance revenue-critical tolling systems. You'll lead feature-driven projects, ensuring robust design and code quality while mentoring peers and driving technical ex...

Elevate your career by designing and developing innovative software solutions. Collaborate with cross-functional teams to enhance product performance and mentor junior engineers while driving best pra...

Grow your career with a dynamic team focused on developing innovative embedded software solutions for optical networking, enhancing product performance, and mentoring junior engineers while engaging w...

Accelerate progress at the forefront of engineering leadership, guiding a high-performing team to design and operate scalable enterprise platforms while ensuring technical excellence and fostering a c...

Elevate your software engineering career as you lead projects, enhance CI/CD workflows, and mentor team members, ensuring high quality and reliability in our autonomous driving technology initiatives...

Join a team that's shaping the future of legal tech by leading a dynamic engineering group. You'll drive AI-native workflows, enhance product features, and ensure personal injury victims receive fair...

Architect scalable cross-platform mobile solutions. Lead React Native development, optimize performance, and integrate with hardware. Collaborate across teams to create high-quality applications and m...

Join us to build scalable AI-powered solutions that transform grocery technology. Collaborate with cross-functional teams to deliver impactful products while navigating complex challenges in a dynamic...

Champion the development of cutting-edge AI infrastructure, tackling complex challenges in secure code execution, agent state management, and resource management to enable scalable autonomous AI agent...

Design scalable data solutions, enhance off-platform integrations, and lead cross-team collaborations. Drive architecture modernization and AI-first initiatives while mentoring engineers and optimizin...

Shape the future of technology in healthcare by leading development efforts, leveraging AI tools, and ensuring high-quality digital deliverables across multiple platforms. Collaborate with creative te...

Transform software delivery by leading a global engineering team, architecting innovative Developer Experience and Release Engineering practices, and driving a fully gated SDLC to enhance quality and...

Transform the future of Customer Identity and Access Management by leading engineering teams to build secure, scalable platforms. Collaborate cross-functionally to ensure seamless client authenticatio...