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Frontend Developer React Js Jobs in Toronto, ON (NOW HIRING)

JS for building secure, high volume, low latency banking systems. Experience working in DevOps ... frontend applications with REST and GraphQL APIs, supporting data-heavy use cases and business ...

Write clean, scalable, and modular code using modern JavaScript frameworks (e.g., React, React ... Engineering, or related field. * 3 years+ of experience in front-end development for web and/or ...

About this role As a Senior Frontend Engineer, you'll collaborate with us to: * Design and build ... React, TypeScript, Next.js, NX * Figma, Storybook, Playwrite * REST and streaming APIs, integrating ...

Full Stack Developer

Brampton, ON ยท On-site

CA$100K/yr

Follow contemporary Product and DevOps best practices, participate in agile ceremonies, work with ... Understanding of React.js and HTML or CSS (front-end development) * Proficiency in building ...

Champion frontend engineering best practices, including performance optimization, testing ... TypeScript, React, Next.js * Node.js, GraphQL, REST APIs * Azure or AWS * Docker, K8s * PostgreSQL ...

... React.js front-end components to resilient Java Spring Boot microservices. Architect and implement RESTful APIs and expose backend functionality as MCP (Model Context Protocol) services to be ...

The Opportunity We're looking for a Staff Front-End Engineer to join our growing engineering team ... Proficiency in TypeScript, React, and CSS-in-JS or equivalent styling approaches. * Experience with ...

Showing results 21-40

Frontend Developer React Js information

What does a frontend developer React JS do?

A Frontend Developer React Js specializes in building the user-facing parts of web applications using the React JavaScript library. They are responsible for designing and implementing interactive and responsive interfaces that users interact with directly in their browsers. Their work often involves translating UI/UX designs into functional code, optimizing application performance, and collaborating with backend developers to integrate APIs. React developers also use tools like Redux, TypeScript, and modern CSS frameworks to enhance functionality and maintainability.

What are the key skills and qualifications needed to thrive as a frontend developer React JS?

To thrive as a Frontend Developer specializing in React JS, you need a solid understanding of JavaScript, HTML, CSS, and experience with React and modern frontend frameworks, often supported by a relevant degree or coding bootcamp. Familiarity with tools like Git, npm, Webpack, and testing libraries, as well as experience with RESTful APIs, is typically required. Strong problem-solving skills, attention to detail, and effective communication help developers excel in collaborative and fast-paced environments. These skills ensure the delivery of efficient, user-friendly web interfaces and high-quality, maintainable code.

How does a frontend developer React JS typically collaborate with designers and backend developers?

As a Frontend Developer focused on React.js, you will work closely with UI/UX designers to translate design mockups into interactive, visually appealing interfaces. Collaboration with backend developers is also essential, as you'll integrate APIs and ensure data flows smoothly between the frontend and backend systems. Regular communication and participation in agile ceremonies like stand-ups and sprint planning help align goals, clarify requirements, and resolve any technical challenges promptly. This collaborative environment fosters a shared responsibility for delivering seamless, user-friendly applications.

What is the difference between Frontend Developer React Js vs Frontend Developer Angular?

AspectFrontend Developer React JsFrontend Developer Angular
Required SkillsJavaScript, React, HTML, CSSJavaScript, TypeScript, Angular, HTML, CSS
Work EnvironmentWeb development teams, startups, tech companiesWeb development teams, enterprise applications, tech companies
CertificationsReact certifications, JavaScript coursesAngular certifications, TypeScript courses
Industry UsagePopular in startups and small to medium projectsCommon in large-scale enterprise applications

Both roles focus on frontend development but differ mainly in frameworks used. React Js developers typically work with JavaScript and React, suitable for flexible, fast web apps. Angular developers use TypeScript and Angular, often for complex, enterprise-level projects. The choice depends on project requirements and employer preferences.

What are popular job titles related to Frontend Developer React Js jobs in Toronto, ON?

For Frontend Developer React Js jobs in Toronto, ON, the most frequently searched job titles are:

Infographic showing various Frontend Developer React Js job openings in Toronto, ON as of August 2026, with employment types broken down into 86% Full Time, 4% Part Time, and 10% Contract. Highlights an 80% Physical, 7% Hybrid, and 13% Remote job distribution.

Senior React Native Developer (Remote)

Rivalry

Toronto, ON โ€ข Remote

Full-time

PTO

Re-posted 29 days ago


Job description

Description
Reporting to: CTO
Working closely with: Engineering and Product
Seniority: Senior/Lead

TL/DR:
We are looking to add a highly skilled and experienced React Native developer to our team. You will help build and launch our new mobile app on Android and iOS platforms. You will work alongside both experienced and intermediate developers, and will be asked to collaborate with others as well as lead projects yourself. 

The nitty-gritty:
  • Leading by example, where you can report back to the CTO
  • Brainstorming sessions where you will contribute ideas to future features
  • Sprint Planning, where you will break down large epics into smaller actionable tasks with details
  • Code Reviews, providing feedback and direction to others
  • Pair Programming over Tuple, providing support to team members
  • Prototyping concepts as a part of idea exploration

Your stats:
  • 5+ years of engineering experience in the software industry as an developer/architect/engineer with a distinguished track record of delivering on technically demanding projects.
  • 3+ years of experience implementing React Native mobile applications
  • Experience in working with React Native with and without Expo
  • Strong Knowledge of JavaScript (ES6+) / TypeScript
  • Strong understanding of inner workings of JavaScript frameworks and building modern web applications
  • Experience with React Native best practices 
  • Experience adding and debugging 3rd party Native SDK and a plus if you have contributed to any
  • Experience with security best practices in mobile development 
  • Understanding of testing principles for mobile development 
  • Responsive design concepts, with a focus on mobile 

Bonus Points:
  • Experience with CI/CD for Mobile 
  • Google Play/Apple store knowledge
  • Native iOS/Android experience (Java, Kotlin, Swift, etc.) 
  • Vue or React JS (Our frontend web development team codes in vue only)
  • Knowledge of Nuxt.js/Next.js 
  • NodeJS and Server Side Rendering concepts
  • Creating functional user interfaces from theoretical discussion or wireframes
  • Frontend Asset Optimization (SVGs, image compression, minimal DOM depth)
  • Frontend Tooling (webpack, eslint, prettier, etc)
  • Testing your work (browser testing, unit tests, storybook, etc)
  • Any design experience 

Our Stats
  • We offer a competitive salary and total rewards package.
  • A chance to work in one of the most exciting and rapidly growing industries
  • Work with an extremely talented team who share a love for video games and esports on truly innovative projects.
  • See your performance in real time, be part of a supportive team with a focus on training, coaching and continual improvement, and benefit from yearly salary reviews
  • Remote and flexible working arrangements.
  • Open Paid Vacation. 
  • Free video games! Every Rivalry employee gets a monthly stipend.
  • + more!