Top React Developer Jobs in Toronto

Architect, build, and test Gusto’s product suite spanning across various domains. Mentor and lead multiple engineering teams. Collaborate with product management and design teams to create customer-centric solutions. Develop large-scale production level code using Rails and React. Compensation ranges from $170,000/yr to $272,000/yr with additional stock equity.

Senior Software Engineer role at Cash App, focusing on building software for referrals and incentives programs. Responsibilities include collaborating with cross-functional teams, developing backend services, and owning features throughout their lifecycle. Qualifications include 5+ years of software development experience and a Bachelor's degree in relevant field.

Join Square's Ecommerce Editor Team as a Full Stack Engineer working on the Online Store website editor to create a world-class e-commerce experience for sellers and customers. Lead initiatives to improve website builder, drive frontend architecture, write testable code, and ensure security and compliance standards.

Seeking a highly skilled Back End Tech Lead to provide technical leadership and strategic guidance for the engineering team. Responsible for designing and developing scalable, secure, and highly available back-end systems, driving performance and collaboration, and mentoring engineers for growth.

Cash Shopping team is looking for a backend Software Engineer to build core e-commerce functionality on Cash App. Responsibilities include designing, building, and owning services and infrastructure, working with modern tech stacks, and collaborating with cross-functional teams.

Seeking a Senior Full Stack Engineer for the Messaging Components team at Braze to help build and optimize critical components of their systems for massive scale. Responsibilities include tackling significant engineering challenges and taking projects from concept to production.

Senior Software Engineer at Applied Systems, Inc. responsible for building new features for end-user data collection flows, integrating existing flows with other applications, and contributing to a new form data framework. Collaborates with team on development, testing, and technical projects. Requires 5+ years of experience in backend services, knowledge of Agile frameworks, and strong communication skills.

Backend Product Software Engineer specialized in building the next generation sync engine for collaboration and distributed work. Responsible for designing and developing software to reach millions of daily users, partnering with stakeholders, and optimizing features for Windows, macOS, and Linux.

Full Stack Engineer at Noyo, responsible for building and maintaining Noyo's API and App offerings for benefits platforms. Collaborate with teams to improve performance, reliability, and scalability of systems. Required to have experience building modern web applications in a product-driven environment and working in an agile environment. Minimum of 3 years of full-time professional experience.

Collaborate with business users to develop scalable web applications using a combination of front-end and back-end technologies. Migrate legacy applications to current technologies. Perform code review, testing, and other assigned duties. 5+ years of experience in creating large scale web applications with expertise in PHP and Laravel framework. Strong knowledge of front-end technologies like HTML5, CSS3, JavaScript, jQuery, Node.js, Vue.js. Proficiency in SQL, REST, .NET Core, SAML, OAuth for backend communication. Ability to create visually appealing applications with a focus on UX/UI details.

Senior Backend Engineer on the Developer Platform Growth team at Square, responsible for building and maturing services to be responsive and reliable, collaborating with engineers, designers, and product managers to design and iterate on product experiences via microservices and APIs.

Join Capital One's Software Engineering Team in Canada to work on developing digital solutions for customers. The team follows a flexible hybrid working model and is committed to diversity and inclusion. Responsibilities include improving user experience, developing CI/CD pipelines, enhancing cybersecurity, and creating front-end and backend applications using React, Angular, and AWS.

Design, develop, and maintain functionality for Square's entire Banking product ecosystem. Collaborate with other engineers, product managers, and design teams to ensure a remarkable and reliable banking experience for millions of merchants.

We are looking for a passionate React Developer to join our engineering team and deliver high-quality software solutions for web and mobile applications.

As a Senior Software Engineer (Frontend) in Customer Engagement at Square, you will work on designing and building world-class product experiences for merchants. You will drive the architecture of frontend systems, prioritize merchant needs, and ensure engineering and ethical standards are met. The role requires strong execution skills, communication abilities, and experience in building products at scale. Proficiency in JavaScript, React, and technical mentorship are key aspects of the position.

Lead Backend Engineer at Movable Ink responsible for advancing services and systems on the DaVinci platform. Collaborate with stakeholders, minimize risk, build measurable solutions, mentor junior developers, and provide technical guidance. Requires 7+ years of software engineering experience and proficiency in Python, cloud computing platforms, data processing frameworks, and modern cloud technologies.

As a Senior Backend Engineer at Movable Ink, you will play a key role in advancing the DaVinci platform by developing high-quality, scalable solutions. Collaborate with cross-functional teams to define requirements, minimize risks, and provide technical guidance. Embrace a fast-paced environment and contribute to the development of innovative marketing and AI solutions.