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Contract React Developer Jobs in Toronto, ON (NOW HIRING)

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Senior Java Engineer (React)

Toronto, ON ยท On-site

CA$70 - CA$120/hr

Senior Java Engineer Type: 6-month contract + opportunity to extend Location: 1 Queen Street East ... Build and enhance React-based UI components * Collaborate with developers, business analysts, and ...

What you'll do: Your day starts by picking up a frontend feature in React - wiring up state ... API contract decision. Afternoons often involve a code review - either giving feedback to a ...

Contract Location: Remote Job Summary: We are looking for experienced software engineers to help ... Experience with frontend frameworks such as React, Next.js, Angular, Vue, or React Native. * Open ...

Architect and deliver React applications as the primary frontend framework for new products, from ... Contribute to architectural decisions spanning state management patterns, API contract design, CI ...

... React, Angular, or equivalent) , you can independently take a feature from data contract to a working executive-facing UI without a separate frontend engineer. * Are comfortable owning ambiguous ...

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Showing results 1-20

Contract React Developer information

See Toronto, ON salary details

$27.7K

$112.4K

$174.6K

How much do contract react developer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for contract react developer in Toronto, ON is $112,418.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,230.00 and $136,470.00 per year, depending on experience, location, and employer.

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

To thrive as a Contract React Developer, you need strong proficiency in JavaScript, React.js, and front-end development principles, typically backed by relevant work experience or a computer science degree. Familiarity with tools like Redux, RESTful APIs, Git, and modern build systems (e.g., Webpack) is commonly required. Excellent problem-solving skills, adaptability, and effective remote communication are crucial soft skills for success in contract roles. These skills and qualities ensure the delivery of high-quality, maintainable code and seamless collaboration with diverse teams in dynamic project settings.

What is a contract React developer?

Contract React Developers are software professionals who specialize in building user interfaces using the React JavaScript library on a temporary or project-based basis. They are typically hired by companies for specific projects or to fill short-term needs, allowing businesses to scale their development teams flexibly. Their responsibilities include developing new user-facing features, optimizing applications for performance, and collaborating with other developers and stakeholders. Contract React Developers are expected to have strong proficiency in React, JavaScript, and front-end technologies.

What are some typical challenges faced by contract React developers when joining new projects?

Contract React developers often encounter challenges such as quickly understanding an existing codebase, adapting to the team's workflow, and aligning with established coding standards. Since contracts are typically short-term, there is pressure to deliver results rapidly while ensuring code quality and maintainability. Effective communication with project managers, designers, and backend developers is essential for a smooth onboarding and successful collaboration. Proactively asking questions and leveraging documentation can help overcome these initial hurdles.
What are the most commonly searched types of React Developer jobs in Toronto, ON? The most popular types of React Developer jobs in Toronto, ON are:
What are popular job titles related to Contract React Developer jobs in Toronto, ON? For Contract React Developer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Contract React Developer jobs in Toronto, ON look for? The top searched job categories for Contract React Developer jobs in Toronto, ON are:
Infographic showing various Contract React Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $112,418 per year, or $54 per hour.

UI React Developer (QTS)

Jay Analytix

Toronto, ON โ€ข Hybrid

Contractor

Posted 25 days ago


Job description

UI React Developer (Redux)

Job Type: Contract

Duration: 1+ Year - Long Term

Location: Toronto, Ontario (Hybrid - 3 days in office)

Experience: 7+ Years

Only candidates with work authorization in Canada may apply.

What Is the Opportunity?

We are seeking a UI React Developer with strong Redux experience to join the Quantitative and Technology Services (QTS) team, developing, improving, and supporting strategic applications within the RAMPP (Risk, Analytics, Modelling, Pricing & Processing) organization. You will work with best-in-class front-end technologies to build applications that consume large quantities of data and present key metrics and statistics to Capital Markets business clients.

You will tackle complex problems and deliver robust, efficient, and strategic UI solutions with lasting impact on the RAMPP organization and Capital Markets businesses. Working closely with Capital Markets trading teams, you will help define project requirements, coordinate testing efforts, and provide implementation support. Excellent communication, organizational, and leadership skills are essential.

What Will You Do?
  • Code, test, debug, implement, and support real-time risk and PnL applications using React and Redux, serving a wide range of business units within the Capital Markets space
  • Design and build responsive, data-intensive user interfaces, including real-time intraday reporting and real-time visualizations
  • Manage complex application state using Redux, Redux-Observable, and RxJS to handle high-volume, real-time data streams
  • Analyze, debug, and resolve production issues related to data flows, application performance, system latency, and infrastructure/network outages
  • Collaborate with Capital Markets Trading and Quant teams through all stages of the software development lifecycle, eliciting and implementing business requirements and owning projects from inception to completion
  • Proactively identify operational risks, control deficiencies, and opportunities for automation to increase productivity and enhance user experiences
  • Demonstrate project implementations to key stakeholders, including senior management, executives, and wider QTS technology teams
  • Contribute to the internal UI sharing economy and the broader UI development community, supporting the overall vision of QTS' UI/UX strategy
What Do You Need to Succeed?Must Have
  • Bachelor's or Master's degree, preferably in Computer Science or a related field
  • Strong hands-on experience with React 16+ and Redux in production environments
  • Experience with RxJS 6+ and reactive/functional programming patterns
  • Solid working knowledge of design patterns, data structures, algorithms, threading and concurrency, ES2020+, and front-end best practices
  • Experience building robust, scalable, test-driven front-end platforms utilizing modern HTML5 APIs and PWA techniques and technologies such as Web Workers, Service Workers, CacheStorage, IndexedDB, ES6 Proxies, and Sockets
Nice to Have
  • Experience working in the financial industry, ideally Capital Markets
  • Working knowledge of TypeScript 4+
  • Experience with Redux-Observable (Observables), Redux Toolkit, and state management at scale
  • Aptitude for UI design and building strong user experiences; experience with design tools is a bonus
  • Demonstrable knowledge of Cypress/Playwright and/or Jest for building robustly tested, test-driven products
  • Familiarity with DevOps tooling such as JIRA, Jenkins, Docker, and Kubernetes, including JavaScript build tools/pipelines such as Vite, Bun, Babel, Webpack 5, Rollup, and ESBuild
  • Working knowledge of functional architectures and related tools such as Lodash/fp and Ramda
  • Knowledge of OpenFin and Electron-based architectures
  • Experience with server-side development in Node.js, Java 11, or Python
  • Working knowledge of SQL and Solace
  • Familiarity with additional front-end frameworks, tools, and paradigms such as D3, GraphQL, MobX, React Query, and AG-Grid
  • Experience with Agile, Scrum, and Kanban methodologies
  • Quick learner with the aptitude to pick up new technologies and business knowledge
  • Highly motivated, able to work independently and effectively, with a collaborative attitude
Employment Type: CONTRACTOR