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

Jay Analytix

Python Developer

Toronto, ON · On-site

Develop and maintain user interfaces (UI) using React.js, HTML, CSS, and JavaScript. * Migrating legacy JS front-end to latest platform * Build reusable components and libraries for future use.

Jay Analytix

Python Developer

Toronto, ON

Develop and maintain user interfaces (UI) using React.js, HTML, CSS, and JavaScript. * Migrating legacy JS front-end to latest platform * Build reusable components and libraries for future use.

Cogency

Node.js Developer

Toronto, ON · On-site

Key Responsibilities Frontend Development * Develop responsive, scalable, and user-friendly web applications using React.js or Angular . * Build reusable UI components following modern frontend ...

Modall

Frontend Developer (React/Next.js)

Uxbridge, ON · On-site

CA$60K - CA$80K/yr

The Role We are looking for a Frontend Developer with a strong command of React and Next.js to join us onsite . This is not a role for someone who wants to hide in the background. You will work ...

Modall

Frontend Developer (React/Next.js)

Uxbridge, ON

$60K - $80K/yr

The Role We are looking for a Frontend Developer with a strong command of React and Next.js to join us onsite . This is not a role for someone who wants to hide in the background. You will work ...

Pacer Group

ReactJS

Markham, ON

Sep 18h, 2026 SKILLS REQUIRED Experience Required: 6-8 Role Descriptions: -Should have a minimum 8 years of experience in React JS| Node JS| Typescript| Micro-Front End-Proven experience in Front End ...

United Airlines

React Developer

Toronto, ON · On-site

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 ...

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React Js Frontend information

What is a React JS frontend developer?

A React JS Frontend Developer is a software engineer who specializes in building the user-facing parts of web applications using the React JavaScript library. They are responsible for designing and developing interactive and responsive user interfaces, ensuring seamless user experiences, and integrating frontend components with backend services. These developers use React’s component-based architecture to create reusable UI elements, manage application state, and optimize performance. Their role often involves collaborating with designers, backend developers, and other stakeholders to deliver high-quality web applications.

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

To thrive as a React JS Frontend Developer, you need a solid understanding of JavaScript, HTML, CSS, and deep expertise in React library concepts such as components, hooks, and state management. Familiarity with tools like Redux, Webpack, Git, RESTful APIs, and testing frameworks, along with a degree in computer science or equivalent experience, is often expected. Strong problem-solving, attention to detail, and communication skills set standout developers apart in collaborative and dynamic environments. Mastery of these skills ensures responsive, maintainable, and scalable user interfaces that enhance user experience and support business goals.

How does a React JS frontend developer typically collaborate with backend teams during a project?

React JS Frontend Developers work closely with backend teams to ensure seamless integration between the user interface and server-side logic. Collaboration often involves regular meetings to align on API requirements, data formats, and endpoints. Frontend developers may provide feedback on API design for optimal user experience and troubleshoot issues together with backend engineers. Effective communication and version control practices, such as using Git and code reviews, are essential for smooth collaboration and successful project delivery.

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

AspectReact Js FrontendAngular Developer
Required SkillsJavaScript, React, HTML, CSSTypeScript, Angular, HTML, CSS
Work EnvironmentFlexible, component-based UI developmentStructured, full-featured framework
Industry UsageWeb applications, startups, tech companiesEnterprise apps, large-scale projects

React Js Frontend and Angular Developer roles share common skills like HTML and CSS but differ mainly in frameworks and language specifics. React focuses on a flexible, component-based approach using JavaScript, while Angular uses TypeScript and a comprehensive framework structure. Both are in high demand across various industries, but React is often preferred for lightweight, fast-loading apps, whereas Angular suits large, complex enterprise solutions.

Is React Js Frontend enough for frontend?

React JS is a popular JavaScript library for building user interfaces and is often sufficient for developing modern frontends. However, front-end development also typically involves knowledge of HTML, CSS, state management, and tools like Redux or React Router to create comprehensive applications. Additional skills in UI/UX design and testing can enhance a React JS developer's effectiveness but are not strictly required for basic frontend work.

Is React Js Frontend still in demand in 2026?

React JS frontend development remains highly in demand in 2026 due to its widespread use in building dynamic web applications and its strong community support. Skills in JavaScript, JSX, and related tools like Redux or Next.js enhance employability in this field.

Is React Js Frontend still in demand?

React JS frontend development remains highly in demand due to its widespread use in building dynamic web applications and its strong community support. Employers seek developers skilled in React, JavaScript, and related tools like Redux and Webpack, making it a valuable skill for frontend developers.

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

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

What job categories do people searching React Js Frontend jobs in Toronto, ON look for?

The top searched job categories for React Js Frontend jobs in Toronto, ON are:

React Js Frontend jobs near you
Infographic showing various React Js Frontend job openings in Toronto, ON as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, and 3% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution.

Python Developer

Toronto, ON • On-site

Jay Analytix
See more jobs at Jay Analytixexternal

Full-time

Re-posted 10 days ago

Job description

Location: Toronto/Montreal

Experience: 7+

What do you need to succeed?

  • Bachelor's degree in Computer Science, Computer Engineering or a related field
  • Proficiency with Linux platform, and CI/CD integration tools
  • Proficiency in Python and Flask framework.
  • Strong understanding of React.js and its core principles.
  • Experience with relational databases (e.g. MySQL, MS SQL Server).
  • Familiarity with version control systems (e.g., Git).
  •  Knowledge of RESTful API design and development.
  • Understanding of web development concepts (HTML, CSS, JavaScript).
  • Ability to write unit and integration tests.
  • Strong problem-solving and analytical skills.
  •  Excellent communication and collaboration skills.
  • Experience with Agile development methodologies is a plus.
  • Familiarity with data analysis tools is a plus

What will you do?

Front-end Development (React):

  • Develop and maintain user interfaces (UI) using React.js, HTML, CSS, and JavaScript.
  • Migrating legacy JS front-end to latest platform
  • Build reusable components and libraries for future use. 
  • Optimize front-end performance for responsiveness and speed. 
  • Collaborate with designers to implement UI/UX designs. 
  • Troubleshoot and debug front-end issues. 
     

Back-end Development (Flask):

  • Design and implement web applications using the Flask framework. 
  • Develop and maintain RESTful APIs. 
  • Work with databases and manage data flow. 
  • Ensure code quality and maintainability. 
  • Collaborate with front-end developers to ensure seamless integration. 
     

General Development:

  • Write clean, efficient, and maintainable code. 
  • Identify and address performance bottlenecks to ensure a smooth user experience
  • Contribute to data collection and analytics
  •  Work with the application with other core services and integrate front-end elements
  • Stay up-to-date with the latest web technologies and best practices. 
  • Troubleshoot and debug issues promptly. 
  • Thoroughly test and debug code to ensure application stability and performance