Top React Developer Jobs in Toronto

As a React Engineer, you will build responsive user interfaces and collaborate with cross-functional teams to enhance the user experience through performance optimization, integration with APIs, and adhering to accessibility standards.

As a React Engineer, you'll build responsive user interfaces for web applications, optimizing performance and integrating with APIs while ensuring accessibility and SEO best practices.

The Senior React Developer will create full-stack web and mobile applications, optimize performance, collaborate with teams, and conduct code reviews. Requires over five years of experience in software development, focusing on React and Firebase.

The Mobile Developer (React Native) will build high-quality cross-platform mobile applications, participate in testing, and collaborate with the development team.

Design and build scalable mobile applications using React and React Native. Collaborate with teams to deliver high-performance applications.

Design and develop scalable applications in an Agile team, collaborating closely on features while learning and applying new technologies.

Develop and maintain cross-platform mobile applications using React Native, collaborating with designers and product managers to improve user experience and performance.

Design, develop, and maintain scalable applications using Java and React. Lead projects, implement microservices, and ensure high-quality code through reviews and optimizations.

Design and implement front-end web applications by converting .NET UI elements to React/HTML5 using Citi standard components. Deliver timely front-end design and code, perform automated testing, integrate with APIs, analyze complex problems, advise stakeholders, mentor junior staff, and ensure security, compliance, and operational support across development lifecycle.

Build scalable, high-performance front-end experiences using React/Next.js and Three.js, collaborate with product and design, own systems, integrate computer vision, and deliver polished UX for customers.

Design, build, and deploy cloud-native frontend and backend applications integrating Generative AI and LLMs. Develop APIs/microservices on AWS, implement data engineering with Databricks/PySpark, and use containerization and CI/CD for scalable, secure solutions. Collaborate with product and engineering teams and drive best practices in AI and cloud architecture.

Develop and maintain mobile applications using React Native, collaborate with cross-functional teams, and optimize applications for performance and user experience.

The Senior Software Engineer will develop software by writing clean, efficient code, automate tasks, and collaborate with teams to enhance products, emphasizing TDD and API development.

The React Full Stack Developer will design, develop and maintain web applications, leveraging expertise in Java and JavaScript frameworks, specifically React, along with deep knowledge of cloud-native application development and microservices architectures.

Design, develop, and maintain scalable React + TypeScript web applications. Build reusable components, optimize performance (Core Web Vitals), integrate with REST/GraphQL backends, implement telemetry, write automated tests, participate in agile processes, perform code reviews, and mentor junior engineers.

Join Zensurance as an Intermediate Software Developer to build software for data collection and pricing engines using Node.js and TypeScript. Responsible for feature implementation, system performance monitoring, and mentoring junior developers while ensuring high-quality outputs.

Lead the development of cloud-native enterprise applications using React and AWS, mentor team members, collaborate with stakeholders, and optimize solutions.

Design and build scalable JavaScript applications using React. Support component design, source control and deployment practices, data storage design, performance optimisation, testing at unit/integration/e2e levels, CI/CD automation, and collaborate with clients and technical leaders to deliver projects.

Join a cross-functional team to develop data products, write efficient code, influence AI roadmap, and collaborate with diverse professionals.

The role involves designing and developing front-end and back-end components, mentoring team members, ensuring system efficiency, and optimizing platform performance in a collaborative team environment.

As a Senior Full Stack Developer, you'll design and deliver scalable Java and Angular or React applications, develop RESTful APIs, contribute to CI/CD practices, and collaborate with cross-functional teams to meet business needs.

Join our team to build and maintain features in a cloud environment, requiring strong coding abilities and effective communication skills. Collaborate with peers to translate product requirements into engineering tasks and participate in support activities.

Lead development of cross-platform mobile applications using React Native, integrating APIs and hardware. Collaborate with teams and optimize performance across platforms.

Lead the development of backend services and APIs for AI-driven products, collaborate with cross-functional teams, and oversee complex projects. Focus on building scalable systems while contributing to the frontend when necessary.

The Senior Full-Stack Developer will work closely with the co-founders to develop telehealth features, focusing on user-friendly software that's reliable and robust. They'll participate in code testing, deployment, and feature design within a collaborative office environment.