Top React Developer Jobs in Toronto

Seeking a Senior Backend Engineer to join a collaborative team in building a scalable platform. Responsibilities include writing well-architected services in Go, defining and building new features, diagnosing operational issues, and mentoring team members. Requires 7+ years of experience, expertise in Golang and MySQL, and strong communication skills.

Join Life360 as a Senior Software Engineer, Backend to build microservices, scale systems, and mentor developers. Requires 5+ years of backend and Cloud code experience, proficiency in Java and microservices, and a Bachelor's degree in computer science or equivalent.

Looking for a Mid-Level Software Engineer with a focus on backend development to join the Chorus Engagement team at ZoomInfo. Responsibilities include designing and creating solutions for a reliable, scalable software platform, collaborating with team members, and maintaining a codebase that supports the business scale. Required qualifications include industry experience, proficiency in Python, Java, or Node.js, backend development experience, and familiarity with various technologies.

Join Leap Tools as a React.js Expert for a 6-month contract to upgrade a legacy application, establish patterns for enhancing user experiences, and build graphically intensive experiences. Work with a remote-first company in the interior decor industry to create user-centric solutions for global clientele.

We are looking for a strong backend engineer to help us build and shape integrations for our SaaS products that monitor and manage the charging of electric vehicles. Responsibilities include designing features, working with Python backend, data integrations, leading projects, collaborating with team members, and contributing to product enhancements.

As a Senior Software Engineer on the Email team at Seismic, you will be responsible for designing and building React applications, reusable components, and browser extensions for the mission critical email system and features. You will collaborate closely with team members, stay updated on frontend development trends, and drive innovation within the company.

Looking for a Senior Backend Engineer to architect optimal solutions, deploy new features, scale to millions of customers, ensure high product quality, and maintain uptime. Strong experience with Java, Spring Boot, RDBMS, NoSQL, microservices, API design, event sourcing, and CQRS is required. Bonus points for experience with Google Cloud, other JVM languages, Domain-Driven Design, and startup experience. Flexible working hours and competitive salary offered.

Designing and implementing new software features, participating in team discussions, testing and maintaining existing functionality.

Seeking a talented Staff Backend Developer to drive growth and development in the Hospitality product group, focusing on Lightspeed Integrations. Responsible for collaborating with a team to enhance omnichannel product features, contribute to microservice-based platform, and maintain integrations with partners. Must have strong Java knowledge, experience with Spring framework, and proficiency in object-oriented programming and design patterns.

As a Frontend Platform Engineer at Intuit, you will be responsible for designing, building, and maintaining the foundational frontend ecosystem that supports UI components and web applications. You will develop next-generation UI platform capabilities and work on critical projects for Intuit.

Seeking an experienced Frontend Engineer with over 5 years of experience in Typescript to lead large-scale projects in dashboard or SDK development. Responsibilities include enhancing infrastructure, balancing business priorities with user experience, mentoring teammates, and collaborating with product and sales teams.

We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team responsible for the entire software development life cycle, from conception to deployment.

Experienced Software Engineer needed to contribute to the constant improvement of user experiences across gaming and entertainment publications. Responsibilities include writing high-level code, collaborating with teams, ensuring website performance, and managing production environments.

Coinbase is looking for experienced frontend engineers to join the team in building the next generation of crypto-forward products and features. Responsibilities include designing secure services, building interfaces for digital currency apps, writing infrastructural services, and collaborating with the team to execute the roadmap.

The Senior Backend Engineer at Grafana Alerting squad will take an active role in influencing the roadmap, working on new features, driving projects from ideation to operations, owning critical systems, mentoring team members, and learning new skills in a remote-first engineering organization.

Design and develop new features for healthcare foodservice management software, maintain existing applications, write reliable code, integrate data storage solutions, write and run unit tests, present new ideas

The Ads Measurement Core team at Reddit is seeking a Full-Stack Engineer to build experimentation products for advertisers to understand the impact of their ad spend on Reddit. Responsibilities include developing advertiser-facing products, contributing to backend systems, collaborating with cross-functional teams, and ensuring high-quality solutions. The team uses Technologies like Typescript, Go, Python, React, Thrift, Baseplate, Kafka, Postgres, Cassandra, Druid, Redis, BigQuery, Kubernetes, Argo, and Docker.