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Contract React Frontend Developer Jobs in Toronto, ON

US Mobile

Staff Frontend Engineer

Toronto, ON

CA$160K - CA$250K/yr

Lead and contribute to building modern front-end features using React, TypeScript, and CSS ... Qualifications: * 8+ years of front-end engineering experience building production-grade UIs.

Forma.ai

Senior Frontend Engineer

Toronto, ON

You will: * Build and ship complex frontend features with React, TypeScript, SASS, Jest, and ... Improve frontend architecture, performance, accessibility, testing, and developer experience.

Fintros

React Developer

Toronto, ON · On-site +1

Our engineering stack is pretty world-class. We have a well-documented micro-architecture service ... Our front-end consumes the GQL endpoints with Apollo Client, React Hooks, Functional Components ...

Chubb

Senior Full Stack Engineer

Toronto, ON

The platform spans four production codebases: an Angular 17 frontend, a React frontend in active ... Contribute to architectural decisions spanning state management patterns, API contract design, CI ...

Fintros

React Developer (Remote)

Toronto, ON · Remote

Our engineering stack is pretty world-class. We have a well-documented micro-architecture service ... Our front-end consumes the GQL endpoints with Apollo Client, React Hooks, Functional Components ...

Jay Analytix

UI React Developer (QTS)

Toronto, ON · Hybrid

Contract Duration: 1+ Year - Long Term Location: Toronto, Ontario (Hybrid - 3 days in office ... You will work with best-in-class front-end technologies to build applications that consume large ...

Pigment

Front-end Engineer

Toronto, ON · Hybrid

CA$100K - CA$180K/yr

You are proficient in JavaScript/TypeScript and have hands-on experience with React (or similar ... Any checks will be conducted lawfully prior to formal employment contracts being signed, with ...

Jay Analytix

UI React Developer (QTS)

Toronto, ON · On-site

Contract Duration: 1+ Year Long Term Location: Toronto, Ontario (Hybrid 3 days in office ... You will work with best-in-class front-end technologies to build applications that consume large ...

Ignition

Senior Frontend Engineer

Toronto, ON · Remote

CA$160K - CA$190K/yr

As a Senior Front-end Engineer, you'll lead the delivery of high impact product and platform work ... Frontend: TypeScript, React, Chakra, React Hook Form * Backend: Ruby, Ruby on Rails, GraphQL * Data:

Jay Analytix

Python Developer

Toronto, ON · On-site

Familiarity with data analysis tools is a plus What will you do? Front-end Development (React ... Collaborate with front-end developers to ensure seamless integration. General Development: * Write ...

Jay Analytix

Python Developer

Toronto, ON · On-site

Familiarity with data analysis tools is a plus What will you do? Front-end Development (React ... Collaborate with front-end developers to ensure seamless integration. General Development: * Write ...

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All JobsContract React Frontend Developer JobsContract React Frontend Developer Jobs in Toronto, ON

Contract React Frontend Developer information

What is a contract React frontend developer?

A Contract React Frontend Developer is a software professional hired on a temporary or project basis to build and maintain user interfaces using the React JavaScript library. They focus on translating design mockups and requirements into interactive, responsive web applications. Unlike full-time employees, contract developers typically work for specific durations or on particular projects, often bringing specialized expertise to help teams meet their goals efficiently. Companies hire contract React developers to scale up their frontend development efforts or to introduce advanced capabilities without long-term commitments.

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

To thrive as a Contract React Frontend Developer, you need a solid understanding of JavaScript, React.js, HTML, CSS, and experience with responsive web design, often supported by a relevant computer science degree or proven portfolio. Familiarity with tools like Redux, Git, RESTful APIs, and testing frameworks (e.g., Jest or Cypress) is typically required, and certifications in modern JavaScript frameworks can be advantageous. Strong problem-solving, adaptability, and clear communication skills help you collaborate effectively with teams and clients in dynamic contract environments. These skills and qualities ensure you can deliver high-quality, maintainable code efficiently while meeting client needs and adapting to changing project requirements.

How does a contract React frontend developer typically collaborate with design and backend teams during a project?

As a Contract React Frontend Developer, you’ll frequently work alongside UI/UX designers to translate visual concepts into interactive features, ensuring that designs are both functional and visually consistent. You'll also coordinate with backend developers to integrate APIs and align on data structures, which often involves regular stand-ups or sprint meetings. Effective communication and familiarity with collaborative tools (like Jira, Figma, or Git) are essential to keep everyone aligned, especially since contract roles may require ramping up quickly on existing team workflows.

What are the most commonly searched types of React Frontend Developer jobs in Toronto, ON?

The most popular types of React Frontend Developer jobs in Toronto, ON are:

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

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Contract React Frontend Developer jobs near you
Infographic showing various Contract React Frontend Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 86% Full Time, 4% Part Time, and 10% Contract. Highlights an 80% Physical, 7% Hybrid, and 13% Remote job distribution.

Senior Frontend Engineer

Rush Street Interactive

Toronto, ON • Remote

Full-time

Medical, Dental, Vision, Life, PTO

Re-posted 25 days ago

Key responsibilities

  • Build and evolve modern web and mobile applications using React, Angular, and TypeScript.

  • Design and implement structured event instrumentation frameworks and integrate analytics SDKs.

  • Partner with cross-functional teams to align architecture with business objectives and support platform modernization.

Job description

Rush Street Interactive (NYSE: RSI) is a market leader in online casino and sports betting, currently operating real-money gaming with our brands: BetRivers.com, PlaySugarHouse.com, and RushBet.co. We're building bridges between online, social and land-based gaming businesses to create amazing, integrated experiences that keep players in the game.

As a Senior Front End Engineer, you will build and evolve modern web and mobile applications while helping shape the event instrumentation and architecture that supports our digital platform. 

This role extends beyond traditional feature development. You'll build scalable, high-quality frontend experiences using modern technologies, contribute to our micro-frontend architecture, and help implement shared client-side capabilities that enable structured event collection, analytics, lifecycle engagement, and downstream data systems. 

This position requires deep frontend expertise, strong architectural thinking, and a passion for building performant, scalable applications across web and mobile environments. 

What You'll Do:

Client & Mobile Engineering 

  • Develop frontend applications across web and mobile platforms using React, Angular, and TypeScript. 
  • Contribute to and evolve a modular, scalable micro-frontend architecture. 
  • Build reusable frontend components and shared client frameworks. 
  • Optimize performance and responsiveness across desktop and mobile devices, with particular focus on mobile reliability and user experience. 
  • Establish best practices for SDK integrations, consent enforcement, observability, and client performance. 

Event Instrumentation & Orchestration 

  • Design and implement structured event instrumentation frameworks across web and mobile applications. 
  • Integrate analytics and CDP SDKs with attention to performance, batching, offline handling, and reliability. 
  • Define, version, and govern structured event schemas and taxonomy standards. 
  • Architect scalable integration patterns between client applications, backend services, and downstream data platforms. 
  • Ensure event data is reliable, well-structured, and suitable for streaming, analytics, identity resolution, and activation use cases. 
  • Support monitoring, debugging, and continuous improvement of client event pipelines. 

Cross-Functional 

  • Partner closely with Product, Analytics, and Engineering teams to align instrumentation and architecture with business objectives. 
  • Participate in architectural discussions that shape long-term platform modernization. 
  • Balance ongoing support needs with forward-looking architectural improvements. 
  • Mentor engineers, conduct code reviews, and elevate frontend engineering standards. 
  • Clearly communicate technical concepts to both technical and non-technical stakeholders. 

What You'll Bring:

  • Bachelor's degree in Computer Science, Computer Engineering, Information Systems, or equivalent practical experience. 
  • 8+ years of experience in software engineering with strong frontend expertise. 
  • Deep experience building and scaling modern web and mobile-first applications. 
  • Strong proficiency in React, Angular, and TypeScript. 
  • Experience with micro-frontend architecture and building scalable frontend applications. 
  • Experience implementing analytics or CDP SDKs within frontend or hybrid mobile applications is a plus. 
  • Strong understanding of event-driven architecture and structured event schema design. 
  • Experience integrating client event streams into CDPs and downstream analytics platforms. 
  • Familiarity with relational databases (Postgres, Oracle) and analytical platforms (e.g., Snowflake). 
  • Experience with CI/CD pipelines, Git-based workflows, and modern development tooling. 
  • Strong understanding of data integrity, governance, observability, and privacy best practices. 
  • Excellent written and verbal communication skills
  • Able to travel occasionally both domestically and internationally #LI-REMOTE #LI-PROMOTE
This role spans a wide breadth of experience at Rush Street Interactive, welcoming candidates with diverse experiences, backgrounds, and locations. The pay range reflects potential variations in experience, skills, and location. The pay range does not reflect total compensation, which includes base pay, benefits, and/or bonuses. For candidates outside the US (Canada, Europe, Latin America), we take a locally informed approach to compensation and will share specific ranges based on your country of residence.

Location Eligibility (for nationwide roles): Open to candidates in eligible locations in the Continental US or Canada.

Location Eligibility (for other roles): Location requirements may vary and will be specified in the job posting.

Canada Benefits:

  • Comprehensive health coverage (medical, prescription drugs, vision, and paramedical services)
  • Competitive dental plan with strong coverage for basic, major, and orthodontic services
  • Annual Health Care Spending Account (HCSA) to support your personalized wellness needs
  • 24/7 virtual healthcare access for you and your eligible dependents
  • Life, disability, and AD&D insurance for financial peace of mind
  • Wellness-focused perks including mental health support and rewards programs
  • RRSP and company DPSP contribution, up to 100% of the first 4%
  • Parental leave top up policy
  • Paid vacation and sick time
Pay Range for candidates in Canada:
$103,000—$155,000 CAD
What Makes Us Great:
  • Comprehensive compensation
  • Work-life balance initiatives
  • Autonomy – we embrace personal freedom and responsibility
  • Creativity – we are open to new ideas of how we can be better
  • Growth – we want you to develop personally as well as professionally
  • Top-notch professionals who are passionate about what they do
  • People-oriented environment and supportive atmosphere

As a rapidly growing company in an emerging industry, you'll have a huge impact on our product and our company. We like proactive team members and strive to have a company of self-disciplined professionals who enjoy collaboration, having fun, and of course, achieving together what others believe to be improbable. We are dedicated to treating everyone with respect and to support your professional and personal growth.

Rush Street Interactive is an equal opportunity employer and committed to a diverse and inclusive workplace. All qualified applicants will be considered for employment without regard to race, national origin, ancestry, sex, sexual orientation, sexual identity and expression, marital status, family status, lifestyle, age, culture, religion, military and veteran status, citizenship, or disability.

Be at the forefront of this ground-breaking industry! Apply now!

Rush Street Interactive uses AI-assisted tools at select stages of the hiring process to enhance efficiency, consistency, and communication. AI does not make hiring decisions - final decisions are made exclusively by our recruiting and hiring teams.

Rush Street Interactive participates in E-Verify for U.S.-based positions. As required by federal law, we provide the following notices to all prospective U.S. employees:
E-Verify Participation Notice (English/Spanish)
Right to Work Notice (English/Spanish)