Top React Developer Jobs in Toronto
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Seeking a Staff Software Engineer to lead the backend engineering team at StackAdapt, a leading programmatic advertising platform. Responsibilities include integrating data, architecting scalable backend systems, providing technical leadership, and solving technical challenges. Requires 5 years of experience in software development in distributed systems and familiarity with adtech or Martech experience.
Design, develop, test, and deploy robust web applications using the Laravel framework and its ecosystem. Collaborate closely with frontend teams and participate in continuous product improvement. Must have a Diploma in computer science, 5+ years of web development experience, and proficiency in speaking French.
Build web applications 'client side', translate company and customer needs into functional and appealing interactive applications.
Collaborate with cross-functional teams to design and develop features that enhance user experience, optimize conversion and retention rates, and ensure software scalability and reliability. Drive continuous improvement to deliver a seamless and positive user journey. Responsibilities include meeting with teams to define project scope, designing scalable applications, developing internal software tools, and troubleshooting bugs. Requires 5+ years of full stack development experience.
The Senior Full-Stack Software Engineer at NeuroPace is responsible for designing, developing, and maintaining software features and systems within the Department of Patient and Device Data Strategy. They will work on both front and back-end tools, participate in all phases of the software lifecycle, and collaborate with multiple departments to deliver high-quality code and final products. The ideal candidate should have strong experience in Full Stack development, knowledge of various programming languages and technologies, and familiarity with medical device regulations.
Seeking a Senior Software Engineer to work on server-side microservice development and architectures using NodeJs, JavaScript, TypeScript, C#, Java, and various cloud technologies. Responsibilities include working on front-end web code, back end services, data stores, and infrastructure systems. The candidate must be experienced in Agile methodologies and possess skills in encryption schemes, modern APIs, and front-end frameworks.
Senior Software Engineer role at Adaptavist focusing on developing software solutions for Atlassian tools using Java/Groovy and JavaScript/TypeScript/React, mentoring a team of engineers, and contributing to the Engineering culture of the team.
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Looking for a Fullstack Software Engineer to design, develop, and maintain web applications using Go, Kafka, PostgreSQL, Remix, and TypeScript. Responsible for all levels of the technology stack and collaborating with a team in a fast-paced startup environment.
Optimize web-based application performance by collaborating with front-end developers, designing back-end components, and integrating data storage solutions.
Seeking a proactive and passionate Senior Back-End Programmer with 8 years of experience in backend web development to work on WordPress sites, collaborate with the team, and ensure site performance and security. Responsible for analyzing needs, planning, programming, and maintaining backend features using WordPress best practices.
SpryPoint is looking for a Software Engineer III to build and integrate interactive web applications, services, and apps. The role involves working in Agile SCRUM teams, developing clean, maintainable code, and collaborating with various functions of the organization.
Senior Software Developer role at Orium involving building digital products for enterprise clients, collaborating in Agile teams, and staying updated with emerging technologies. Responsibilities include Drupal-based solutions, web services, and headless CMS architectures. Requires 7+ years of Drupal developer experience and proficiency in backend and front-end technologies.
Seeking a talented full-stack software engineer to join the Ads Signals team at Reddit. Responsibilities include developing frontend tools, backend signals, collaborating with cross-functional partners, and staying updated with the latest technologies. Requires 3+ years of fullstack software engineering experience and strong communication skills. Bachelor's degree in a quantitative or computer science-related field is required.
The Senior Software Engineer will be responsible for full stack development using technologies like React JS, React Native, Java, Spring, Kubernetes, NoSQL, and Kafka. They will work on building tools to enable Associates to serve customers at checkout lanes, participate in design and code reviews, and ensure observability and measurement in projects. The role requires 4+ years of full stack development experience, proficiency in back-end and front-end technologies, experience with micro-services architecture and distributed systems, and strong collaboration skills.
Championing customer-facing product development, working closely with product and design teams, architecting, building, testing, and releasing features with high quality, and automating engineering tasks. Requires 3+ years of experience in a similar role, deep knowledge of JavaScript and web fundamentals, expertise in Front End stacks, understanding of testing and deployment processes, willingness to learn new technologies, data-driven mindset, and problem-solving skills for complex issues.
As a Staff Software Engineer at StackAdapt, you will be responsible for leading the backend engineering team, designing scalable backend systems and data pipelines, providing technical leadership, and solving technical challenges. You will also be promoting software development best practices and conducting code reviews.
Join Labelbox as a Senior Backend Engineer in the Platform team focusing on developing core services around identity and access management (IAM) for enterprise-grade security. Collaborate with customers, lead projects, and innovate in AI.
As a Senior Full Stack Engineer at BitGo, you will design, develop, and maintain frontend and backend components of the wallet experience. Collaborate with product managers and engineers to deliver high-quality solutions. Provide mentorship and support to the engineering team.
As a Senior FullStack Engineer at Corelight, you will lead the development and architecture of backend systems using React and Python, implement serverless architectures, and collaborate with cross-functional teams to deliver high-quality software solutions.
Looking for a Senior Full Stack Engineer to work on a collaborative money management platform, making high-impact decisions, and shaping the future of the product. The role involves full development lifecycle, infrastructure management, testing strategies, and agile project planning.
As a Senior Full Stack Engineer at Alpaca, you will be responsible for designing and implementing web applications, working closely with cross-functional teams, delivering high-visibility features, and mentoring junior developers. You will have the opportunity to contribute to the technical strategy of the company and push the boundaries of technology.
Ownr, a part of RBCx Ventures, is seeking a Lead Software Engineer to help build a platform that simplifies business registration for entrepreneurs in Canada. Responsibilities include developing and maintaining software, mentoring team members, and contributing to technical decisions. Required skills include Node, React, JavaScript, and more.
Lead front-end programming, develop engaging web experiences, maintain high coding standards, collaborate with team members, and stay updated on latest web technologies.
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Seeking experienced frontend engineers to join our team to build out the next generation of crypto-forward products and features for institutional clients. Responsibilities include designing secure and reliable services, building mass market interfaces, and writing infrastructural services for safe asset transfer. Must be passionate about crypto and thrive in a fast-paced industry.
As a Full Stack Developer at Konrad, you will work on web application projects, write maintainable software, participate in code review, and research new technologies. Qualifications include 2+ years of experience, strong programming skills in Java, C#, or JavaScript, and knowledge of web application components and core web principles.
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