Top React Developer Jobs in Toronto

Lead design and architecture of impactful open source projects. Code in Golang, Rust, Python, C/C++, or Typescript/React. Collaborate with a global team, mentor colleagues, and provide technical leadership. Debug issues, produce high-quality code, and contribute to technical documentation. Work remotely with occasional global travel for company events.

As a Senior Full Stack Engineer at Thinkific, lead medium to large feature projects, diagnose and troubleshoot platform issues, participate in architectural design, mentor other engineers, and contribute to a collaborative environment.

We're looking for a Senior Full Stack Product Engineer to join our small, highly experienced, and fast-moving team. You will have end-to-end feature ownership, work with customers and the community, partner with the design team, and contribute to open-source projects. We offer remote work, competitive salary, equity grants, medical insurance, vacation, and company off-sites.

As a Software Engineer III at Walmart U.S., you will collaborate with frontend engineers to develop a seamless checkout experience. You will work on optimizing products on Cloud Infra, document software aspects, mentor team members, troubleshoot technical issues, and interact with various stakeholders. Required skills include Java, JavaScript, SQL, NOSQL, and expertise in agile software development.

Craft scalable TypeScript and Python code to integrate with customer websites, apps, and APIs. Work with Django in a microservices architecture. Implement APIs over HTTP and gRPC.

Design, build, evolve, and maintain the foundational frontend ecosystem and underlying tools used by all of Stripe’s product engineering teams. Own and drive changes that increase the productivity of Stripe engineers working on frontend applications. Drive frontend reliability improvements across Stripe products.

Senior Software Engineer role focusing on Distributed Systems to build products for the post-purchase experience in the retail industry. Responsibilities include owning platform architecture, implementing scalable solutions, writing high-quality code, and mentoring junior engineers. Requires 7+ years of backend development experience.

As a Senior Back-end Engineer at Faire, you will deliver core features of the Kotlin server, design and build new APIs for the website and mobile app, write integration tests, share ownership of the product, and help improve customer experience. The role offers a competitive salary range, equity, and benefits.

Coinbase is looking for experienced backend engineers to join their team to build the next generation of crypto-forward products and features. Responsibilities include decomposing the monolithic Rails app into microservices, articulating a long-term vision for backend systems, and writing high-quality code. They are seeking individuals with at least 2 years of software engineering experience.

Join a cross-functional engineering team to solve tough challenges in delivering financial products to small business owners at scale. Expect to work with Python, Django, Ruby, Golang, GraphQL, REST, React, ReactNative, and Typescript.

As a Staff Software Engineer, you will design and engineer integrations for complex enterprise systems, collaborate with cross-functional teams, and provide insights to think beyond the status quo. The tech stack includes React Native, React.js, Angular, .Net C#, Kafka, SQL, CosmosDB, Azure, and more.

Design, develop, and maintain full-stack solutions for Voice AI products, collaborate with teams to develop new features, stay updated with industry trends, mentor junior members

Join Dapper as a Backend Engineer working on blockchain and gaming projects. Design, build, and optimize backend services, integrate with blockchain tech, and collaborate with teams to deliver innovative features.

Vendia is seeking a Principal Backend / Core Engineer with extensive distributed systems experience to design, develop, and own massive, multi-tenanted systems. The engineer will be responsible for scalability, availability, latency, and fault tolerance of the distributed systems.

Join a team of passionate builders at HONK, a parking platform company, as a Junior Fullstack Engineer. Collaborate on designing, implementing, and enhancing the parking platform from front-end ReactJS components to back-end Rails API endpoints. Enjoy a remote/hybrid work culture with flexible hours and opportunities for skill expansion.

Dotmatics is seeking a Full Stack Engineer with experience in Node.js and React to develop and implement software solutions. Responsibilities include collaborating with the software development team, contributing to software architecture, ensuring scalability and security, providing technical guidance, and participating in code reviews.

Design, improve, and debug complex, scalable distributed systems. Provide mentorship to interns and junior engineers. Take part in technical planning and architectural decision-making. Collaborate with team members on designing scalable, well-tested web architecture, including APIs and backend systems.