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React Development Jobs in Toronto, ON (NOW HIRING)

Collabera Canada Inc

Be Seen First

Senior Java Engineer (React)

Toronto, ON · On-site

CA$70 - CA$120/hr

Must-Have Skills Backend Development * 10+ years of enterprise Java development experience ... Hands-on React development experience. * Comfortable contributing to frontend features and UI ...

US Mobile

Senior React Native Engineer

Toronto, ON · On-site

CA$140K - CA$180K/yr

Create and maintain clear process documentation as well as contribute to development and design guidelines. * Research emerging technologies and best practices within the React Native ecosystem ...

United Airlines

React Developer

Toronto, ON · On-site

Strong hands on expertise in Java & React.JS for building secure, high volume, low latency banking ... I development and seamless user interactions Proven ability to operate in Agile teams ...

Modall

Frontend Developer (React/Next.js)

Uxbridge, ON · On-site

$60K - $80K/yr

About Us Modall is a software development agency based in Uxbridge, Ontario. We are a high ... The Role We are looking for a Frontend Developer with a strong command of React and Next.js to join ...

Modall

Frontend Developer (React/Next.js)

Uxbridge, ON · On-site

CA$60K - CA$80K/yr

About Us Modall is a software development agency based in Uxbridge, Ontario. We are a high ... The Role We are looking for a Frontend Developer with a strong command of React and Next.js to join ...

Konrad

Mobile Developer (React Native)

Toronto, ON · Hybrid

CA$90K - CA$125K/yr

Working within the software development team, your duties will include contributing to the ... React Native. * A strong command of JavaScript/TypeScript programming and core computer science ...

Jay Analytix

UI React Developer (QTS)

Toronto, ON · Hybrid

UI React Developer (Redux) Job Type: Contract Duration: 1+ Year - Long Term Location: Toronto ... Contribute to the internal UI sharing economy and the broader UI development community, supporting ...

Jay Analytix

UI React Developer (QTS)

Toronto, ON · On-site

UI React Developer (Redux) Job Type: Contract Duration: 1+ Year Long Term Location: Toronto ... Contribute to the internal UI sharing economy and the broader UI development community, supporting ...

Pelmorex

Software Developer, React Native

Oakville, ON · On-site +1

... development tools like GitHub Copilot to accelerate real-world features-we want you on our team ... React Native TypeScript AWS Go Node.js Jenkins Fastlane GitHub Copilot Docker Kubernetes ...

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All JobsReact Development JobsReact Development Jobs in Toronto, ON

React Development information

What is React development?

React development refers to building user interfaces using React, a popular JavaScript library created by Facebook. React developers create interactive and dynamic web applications by building reusable UI components that efficiently update as data changes. React helps make web development faster and more scalable, especially for single-page applications. Developers often use React with tools like Redux, React Router, and various backend technologies to build full-featured web apps.

What are the key skills and qualifications needed to thrive as a React developer, and why are they important?

To thrive as a React Developer, you need a solid understanding of JavaScript, HTML, CSS, and modern front-end frameworks, with a degree in computer science or related field often preferred. Familiarity with tools like Git, npm, REST APIs, Webpack, and experience with state management libraries such as Redux are typically required. Strong problem-solving, attention to detail, and effective communication make someone stand out in this position. These skills and qualities are crucial for building efficient, scalable, and user-friendly web applications while collaborating within development teams.

How do React developers typically collaborate with designers and backend teams during a project?

React Developers often work closely with UI/UX designers to translate design mockups into interactive, user-friendly interfaces. They also collaborate with backend teams to integrate APIs and ensure seamless data flow between the front-end and server. Effective communication and use of collaboration tools like Git, Jira, and Figma are essential for aligning on requirements, troubleshooting issues, and delivering cohesive products. Regular stand-up meetings and code reviews help maintain project momentum and quality.

What is the difference between React Development vs Angular Development?

AspectReact DevelopmentAngular Development
Required CredentialsJavaScript, HTML, CSS, React.jsJavaScript, TypeScript, Angular CLI
Work EnvironmentComponent-based, flexible, library-focusedFull framework, structured, opinionated
Employer & Industry UsageStartups, tech companies, web appsLarge enterprises, enterprise apps, SPA development

React Development and Angular Development are both popular JavaScript frameworks used for building web applications. React is a library that offers flexibility and a component-based approach, making it ideal for projects requiring customization. Angular is a comprehensive framework with built-in features, suitable for large-scale enterprise applications. Both roles require knowledge of JavaScript, HTML, and CSS, but Angular developers often need experience with TypeScript and Angular-specific tools. The choice depends on project requirements and team preferences.

React Development jobs near you
Infographic showing various React Development job openings in Toronto, ON as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 13% Part Time, and 2% Contract. Highlights an 88% Physical, 5% Hybrid, and 7% Remote job distribution.

Senior Java Engineer (React)

Collabera Canada Inc

Toronto, ON • On-site

CA$70 - CA$120/hr

Contractor

Medical, Dental, Vision, Life, Retirement, PTO

Posted 26 days ago

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Job description

Title: Senior Java Engineer

Type: 6-month contract + opportunity to extend

Location: 1 Queen Street East, Toronto

Work Model: Hybrid (4 days on-site)

Day-to-Day Responsibilities

  • Refactor and decompose a large monolithic application into microservices.
  • Design, develop, and maintain backend services using Java and Spring Boot.
  • Contribute to architecture discussions, service boundaries, and technical design decisions.
  • Develop and deploy cloud-native applications in AWS.
  • Build and enhance React-based UI components
  • Collaborate with developers, business analysts, and Capital Markets stakeholders.
  • Ensure systems are highly performant, secure, resilient, and scalable.
  • Participate in code reviews and engineering best practices.

Must-Have Skills

Backend Development

  • 10+ years of enterprise Java development experience.
  • Advanced Spring Boot expertise.
  • Proven experience building and refactoring microservices architectures.
  • Experience designing and developing distributed, high-performance systems.

Frontend Development

  • Hands-on React development experience.
  • Comfortable contributing to frontend features and UI enhancements

Cloud & DevOps

  • Cloud- AWS experience (preferred)

Capital Markets Experience (if they don't have capital markets, should at least come from financial services/ retail banking).

  • Public Markets experience.
  • FX experience.
  • Equities experience.
  • Derivatives experience.
  • Understanding of front-office trading workflows.

Soft Skills

  • Strong analytical and problem-solving abilities.
  • Ability to work independently in a fast-paced engineering environment.
  • Strong communication and collaboration skills.

Nice-to-Haves

  • Experience with portfolio management or trading platforms.
  • AWS cloud-native services experience.
  • Mockito and automated testing frameworks.
  • Exposure to AI/ML concepts.
  • Experience working in highly regulated financial environments.