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Reactjs Developer Jobs in Toronto, ON (NOW HIRING)

This role is ideal for a developer with hands-on experience in JavaScript and ReactJS , who thrives in a collaborative environment and demonstrates initiative, accountability, and a strong work ethic.

Expertise in Python, C#, AI, Angular/ReactJS UI, with experience in finance industry. * Proficiency ... Familiarity with Azure DevOps for CI/CD pipelines and source control * Knowledge of Cosmos DB or ...

Expertise in Python, C#, AI, Angular/ReactJS UI, with experience in finance industry. * Proficiency ... Familiarity with Azure DevOps for CI/CD pipelines and source control * Knowledge of Cosmos DB or ...

Our Developers bring passion, craftsmanship and innovation to the development and delivery of ... We work with a range of web applications technologies, including JavaScript frameworks (ReactJS ...

Build scalable and maintainable MFEs in ReactJS and BFFs in NodeJS. (Frontend) * Build backend APIs using Spring Boot stack. (Backend) * Write clean, maintainable, and well documented with minimal ...

We are looking for talented, self-starting engineers to join our platform team as frontend ... including AngularJS, ReactJS and NodeJS. * Experience in building web services microservice ...

We are looking for talented, self-starting engineers to join our platform team as frontend ... including AngularJS, ReactJS and NodeJS. * Experience in building web services microservice ...

Java Full-stack Developer

Mississauga, ON ยท On-site

CA$86K - CA$127K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The candidate must have Java front end development experience on ReactJS, NodeJs, Javascript and ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

Java Full-stack Developer

Mississauga, ON ยท On-site

CA$86K - CA$127K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The candidate must have Java front end development experience on ReactJS, NodeJs, Javascript and ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

As we continue to scale, we're investing in extensibility, developer experience, and performance ... Deep expertise in TypeScript, ReactJS, and Node.js (Express or similar frameworks). * Experience ...

As we continue to scale, we're investing in extensibility, developer experience, and performance ... Deep expertise in TypeScript, ReactJS, and Node.js (Express or similar frameworks). * Experience ...

Fluency across the full engineering stack -- front-end (ReactJS), back-end (Java, Spring), data stores (Oracle, MongoDB), and containerized cloud-native infrastructure (Kubernetes, Docker, OpenShift ...

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Reactjs Developer information

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

To thrive as a Reactjs Developer, you need a solid understanding of JavaScript, HTML, CSS, and expertise in building user interfaces with React, often supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, RESTful APIs, and build tools such as Webpack or Babel is typically required. Strong problem-solving abilities, attention to detail, and effective communication skills help developers collaborate and deliver high-quality products. These skills ensure efficient development of scalable, maintainable, and user-friendly web applications in dynamic team environments.

What is the difference between Reactjs Developer vs Front-End Developer?

AspectReactjs DeveloperFront-End Developer
Required SkillsProficiency in React.js, JavaScript, HTML, CSSHTML, CSS, JavaScript, frameworks like Angular or Vue
Work EnvironmentFocus on building UI components using ReactDeveloping user interfaces across various frameworks
Industry UsageCommon in companies using React.js for web appsWidespread across industries with diverse tech stacks
CertificationsReact.js certifications or coursesGeneral front-end development certifications

Reactjs Developers specialize in building user interfaces specifically with React.js, while Front-End Developers work across multiple frameworks and technologies to create engaging websites and applications. Both roles require strong HTML, CSS, and JavaScript skills, but Reactjs Developers focus more on React-specific tools and libraries. Understanding these differences helps employers find the right candidate for their project needs.

What is a Reactjs developer?

A Reactjs Developer is a software engineer who specializes in building user interfaces using React.js, a popular JavaScript library for creating interactive web applications. Their main responsibilities include developing reusable components, managing application state, and integrating front-end features with backend services. Reactjs Developers work closely with designers and backend developers to create seamless, high-performance web apps. They need a strong understanding of JavaScript, HTML, CSS, and modern web development practices. Proficiency in React's ecosystem, such as Redux and React Router, is also essential for this role.

Is Reactjs development a good career?

Reactjs development is a popular career choice for front-end developers due to high demand for web applications and skills in JavaScript and UI design. It offers opportunities for growth, competitive salaries, and the chance to work on modern, dynamic websites. Proficiency in related tools like Redux and understanding of web performance can enhance job prospects.

What are some common challenges Reactjs developers face when working on large-scale applications?

ReactJS Developers working on large-scale applications often encounter challenges such as managing complex state across multiple components, ensuring consistent performance as the codebase grows, and maintaining code readability and reusability. Collaborating with backend teams to integrate APIs and handling frequent updates to libraries or dependencies are also common. Adopting best practices like modular architecture, using state management libraries (e.g., Redux), and thorough code reviews can help address these challenges and support scalable development.

Is Reactjs developer still in demand?

Reactjs developers are currently in high demand due to the widespread use of React for building dynamic web applications. Skills in JavaScript, React, and related tools like Redux or TypeScript enhance employability, and demand is expected to remain strong as companies continue to adopt modern front-end frameworks.

What are popular job titles related to Reactjs Developer jobs in Toronto, ON?

For Reactjs Developer jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Reactjs Developer jobs in Toronto, ON look for?

The top searched job categories for Reactjs Developer jobs in Toronto, ON are:

Infographic showing various Reactjs Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 74% Full Time, 12% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

RQ00731 - Software Developer - Full Stack - Senior

Source Code

Toronto, ON โ€ข On-site

Contractor

Posted 15 days ago


Job description

RQ00731 - Software Developer - Full Stack - Senior

7+ month contract (164 business days) - possible extension 

Hybrid (as needed onsite) - 525 University Avenue

Must Haves:

  • 7+ years of hands-on ReactJS development experience building complex production-grade web applications.
  • 10+ years of Java, JDBC, and Spring Boot development experience, including backend services, APIs, and integrations and database-driven applications.
  • Public Sector experience
  • Specialist experience with Pexip APIs, Zoom APIs, video platform integration, video workflow implementation, video bridge programming, and virtual care workflow orchestration. 
  • Strong hands-on experience with HL7v2 interfaces, FHIR APIs, clinical workflow integration, scheduling integration, and healthcare interoperability patterns.

Description:

The Agency requires a Senior Fullstack Developer contract resource through Flextrack to support Virtual Care Product modernization, with a specialized focus on SMART on FHIR application development, hospital information system integration, HL7v2 interfaces, FHIR APIs, Mirth integration engine, scheduling integration, and clinical workflow integration. This resource must be a senior specialist in SMART on FHIR, FHIR, HL7v2, ReactJS, Java Spring Boot, Mirth integration engine, and integration with hospital information systems such as MEDITECH, Epic, and Cerner. The role will support secure clinical launch workflows, patient/provider context handling, scheduling and encounter integration, clinical data exchange, and standards-based integration between the Agency Virtual Care Products and hospital systems.

Responsibilities:

  • Design, develop, test, and support ReactJS frontend components for the Agency Virtual Care Products.
  • Build and maintain Java, JDBC, and Spring Boot backend services supporting virtual care workflows, video integration, session management, scheduling integration, and operational reporting.
  • Integrate Zoom APIs and Pexip APIs into provider-facing, patient-facing, and administrative virtual care workflows.
  • Develop and support virtual care capabilities including waiting rooms, breakout workflows, session routing, meeting initiation, participant management, provider handoff workflows, and multi-party clinical encounter support.
  • Design, implement, and troubleshoot HL7v2 and FHIR-based integration components related to scheduling, encounter context, patient/provider context, and virtual visit workflows.
  • Support integration with NetIQ workflows and identity-enabled application processes, including role-based and context-aware workflow behaviour.
  • Participate in retirement and replacement of legacy TSM-related functionality by implementing modern, secure, maintainable application and integration components.
  • Collaborate with architects, video platform teams, integration teams, security, privacy, product owners, UX, QA, and operations stakeholders.
  • Develop and maintain APIs, data access layers, backend business logic, message processing logic, integration services, and operational support components.
  • Support AWS OpenSearch integration where required for search, discovery, logging, analytics, troubleshooting, or operational reporting.
  • Work with test resources to support unit testing, integration testing, interface testing, regression testing, defect resolution, release readiness, and production implementation.
  • Prepare technical design documentation, API documentation, data mapping documentation, configuration notes, deployment notes, and knowledge transfer materials.

Desired Skills:

  • Experience with Telemedicine Network workflows virtual care workflows, and video service delivery models.
  • Experience with video bridge programming, Pexip configuration, Pexip API integration, Zoom API integration, and virtual visit workflow orchestration.
  • Experience building Java Spring Boot microservices in a healthcare, virtual care.
  • Experience with AWS OpenSearch for search, discovery, logging, analytics, operational monitoring, or troubleshooting use cases.
  • Experience with scheduling workflows, encounter workflows, provider workflows, patient workflows, privacy, security, accessibility, audit logging, and operational monitoring.

Required Skills:

  • ReactJS frontend development.
  • Java, JDBC, and Spring Boot backend development.
  • REST API design, integration, troubleshooting, and documentation.
  • Pexip API and Zoom API integration.
  • HL7v2 interface design, development, testing, and troubleshooting.
  • FHIR API integration and clinical workflow integration.
  • Video platform workflow integration, including video bridge integration, participant management, waiting room workflows, breakout workflows, and provider/patient workflow support.
  • NetIQ workflow or enterprise IAM workflow integration.
  • Secure application development, including authentication, authorization, audit logging, privacy-aware design, and role/context-based access.
  • Database access, data modelling, SQL, JDBC, and backend integration patterns.

Deliverables:

  • ReactJS frontend components supporting Virtual Care Product workflows.
  • Java/JDBC/Spring Boot backend services and APIs supporting video workflow modernization.
  • Zoom API and Pexip API integration components.
  • Video workflow capabilities such as waiting rooms, breakout workflows, session routing, participant management, provider workflows, patient workflows, and multi-party visit support.
  • HL7v2 and FHIR integration components supporting scheduling, encounter, patient, provider, and virtual visit workflows.
  • NetIQ workflow integration components or configuration support.
  • AWS OpenSearch integration artifacts where required.
  • Technical design documents, API specifications, interface specifications, data mapping documents, configuration notes, deployment notes, and operational support documentation.
  • Unit, integration, regression, interface, and release validation support.
  • Defect fixes, code reviews, sprint deliverables, demos, and release support

AI Disclaimer: Source Code may use artificial intelligence (AI) tools to assist in certain aspects of its recruiting and business operations.

Note: The higher end of the range is intended for absolutely exceptional candidates who meet all must-have requirements and most or all nice-to-have qualifications. The client will evaluate candidates based on both rate expectations and overall skill set when shortlisting.

INCORPORATED RATE RANGE (7.25 billable hours per day)

  • $90.18/hr - $108.22/hr Inc.

T4 RATE RANGE (7.25 billable hours per day)

  • $72.14/hr - $86.57/hr T4