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React Contractor Jobs in Toronto, ON (NOW HIRING)

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Engineer, Software

Toronto, ON

CA$185K - CA$225K/yr

... React and TypeScript. C# and SQL experience is valuable. * Improve developer velocity - own the ... Lead by doing - mentor contractors and interns, set a high standard through code reviews, and bring ...

BuildOps

Senior Software Engineer

Toronto, ON · On-site +1

At BuildOps, we're building software purpose-built for commercial contractors. From service to ... Experience with React or similar frontend frameworks * Experience with cloud infrastructure ...

Autodesk

MCP/AI Developer

Toronto, ON

CA$99K - CA$145K/yr

Familiarity with modern web development (HTML/CSS/JS) and a framework such as React. * Sound ... Are you an existing contractor or consultant with Autodesk? Please search for open jobs and apply ...

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React Contractor information

What is a React contractor?

A React Contractor is a software developer hired on a contract basis to build or maintain applications using the React.js library. They typically work on short-term or project-based assignments, often helping companies develop web applications, optimize performance, or implement new features. React Contractors are expected to have strong React, JavaScript, and front-end development skills, along with experience in state management libraries like Redux or Context API. Depending on the project, they may also collaborate with designers, backend developers, and product managers.

What are the typical responsibilities and workflow for a React contractor on a client project?

As a React Contractor, you will often start by collaborating with product owners and designers to clarify project requirements and design wireframes. Your primary responsibilities include building and maintaining user interfaces using React, integrating APIs, debugging issues, and ensuring responsive, high-performance applications. Contractors typically work independently or as part of a remote team, communicating progress and challenges through project management tools. You may also participate in code reviews, daily stand-up meetings, and sprint planning, depending on the client's workflow. This role provides the opportunity to work on diverse projects and continuously improve your technical skills.

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

A React Contractor should possess strong JavaScript fundamentals, in-depth knowledge of the React framework, and a solid understanding of front-end development principles, usually supported by relevant work experience or a computer science degree. Familiarity with version control systems like Git, RESTful APIs, and build tools such as Webpack, along with certifications like React Professional Certification, are highly valuable. Excellent problem-solving skills, effective communication, and adaptability are crucial for collaborating with clients and remote teams. These capabilities are vital for delivering high-quality, maintainable web applications that meet client specifications and project deadlines.

Is React still in demand in 2026?

React remains a highly in-demand skill for React contractors, as it is widely used for building modern web applications. Demand is driven by its popularity, large ecosystem, and the need for front-end development expertise, making React contractors valuable in many tech environments through 2026.

Is ReactJS still in demand?

ReactJS remains highly in demand for front-end development, with many companies using it to build dynamic web applications. React contractors with skills in JavaScript, JSX, and related tools like Redux are sought after, and the technology continues to evolve with ongoing updates and community support.

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

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

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

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

React Contractor jobs near you
Infographic showing various React Contractor job openings in Toronto, ON as of August 2026, with employment types broken down into 73% Full Time, 11% Part Time, and 16% Contract. Highlights an 84% Physical, 4% Hybrid, and 12% Remote job distribution.

UI React Developer (QTS)

Jay Analytix

Toronto, ON • Hybrid

Contractor

Re-posted 16 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

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