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Front End Developer React Jobs in Toronto, ON (NOW HIRING)

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.

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 ...

Forma.ai

Senior Frontend Engineer

Toronto, ON · On-site

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 (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 ...

Smile.io

Senior Front-End Engineer

Toronto, ON · Remote

Our primary stack is Ruby on Rails, Ember.js, and React. The engineering team at Smile.io believes ... Have expert-level proficiency from professional work experience in modern Front-End frameworks ...

Collabera Canada Inc

Be Seen First

Senior Java Engineer (React)

Toronto, ON · On-site

CA$70 - CA$120/hr

Frontend Development * Hands-on React development experience. * Comfortable contributing to frontend features and UI enhancements Cloud & DevOps * Cloud- AWS experience (preferred) Capital Markets ...

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

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

UI React Developer (QTS)

Toronto, ON · Hybrid

UI React Developer (Redux) Job Type: Contract Duration: 1+ Year - Long Term Location: Toronto ... You will work with best-in-class front-end technologies to build applications that consume large ...

Jay Analytix

UI React Developer (QTS)

Toronto, ON · On-site

UI React Developer (Redux) Job Type: Contract Duration: 1+ Year Long Term Location: Toronto ... 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

The Opportunity As a Frontend Software Engineer , you will be part of a cross-functional product ... You are proficient in JavaScript/TypeScript and have hands-on experience with React (or similar ...

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Front End Developer React information

What is a front end developer React?

Front End Developer React professionals are software engineers who specialize in building the user interface (UI) and user experience (UX) of web applications using the React JavaScript library. They focus on creating visually appealing, responsive, and interactive websites by working closely with designers and back-end developers. Their responsibilities include translating design mockups into functional code, optimizing web applications for speed and scalability, and ensuring cross-browser compatibility. React developers use modern JavaScript, HTML, and CSS, and often work with tools like Redux, TypeScript, and various testing libraries.

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

To thrive as a Front End Developer React, you need strong proficiency in JavaScript, HTML, CSS, and a solid understanding of React.js fundamentals, often supported by a degree in computer science or equivalent experience. Familiarity with tools like Redux, Webpack, version control systems (such as Git), and component libraries is typically required. Problem-solving, attention to detail, and effective communication are essential soft skills for collaborating with teams and delivering user-friendly interfaces. These skills and qualities are crucial for building efficient, scalable, and maintainable web applications that meet user and business needs.

What are some common challenges faced by front end developers working with React, and how can they be addressed?

Front End Developers specializing in React often encounter challenges such as managing complex state across large applications, ensuring optimal performance, and keeping up with frequent library updates. Effective use of state management tools like Redux or Context API can help address state complexity, while techniques such as code-splitting and memoization improve performance. Staying engaged with the React community and regularly reviewing official documentation can help developers stay updated with best practices and new features.

What is the difference between Front End Developer React vs Front End Developer Angular?

AspectFront End Developer ReactFront End Developer Angular
Required SkillsJavaScript, React, HTML, CSSJavaScript, TypeScript, Angular, HTML, CSS
CertificationsNone mandatory, React certifications optionalAngular certifications beneficial
Work EnvironmentWeb development teams, startups, tech companiesWeb development teams, enterprise applications
Industry UsagePopular in startups and modern web appsCommon in enterprise and large-scale apps

Both roles focus on front-end development but differ mainly in frameworks used. React developers often work in more flexible, startup environments, while Angular developers are common in enterprise settings. Skills and certifications overlap but vary based on the framework expertise required.

What are popular job titles related to Front End Developer React jobs in Toronto, ON?

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

What job categories do people searching Front End Developer React jobs in Toronto, ON look for?

The top searched job categories for Front End Developer React jobs in Toronto, ON are:

Front End Developer React jobs near you
Infographic showing various Front End Developer React job openings in Toronto, ON as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 15% Part Time, 1% Temporary, and 4% Contract. Highlights an 87% Physical, 6% Hybrid, and 7% Remote job distribution.

Senior Frontend Engineer

Rush Street Interactive

Toronto, ON • Remote

Full-time

Re-posted 12 days ago

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)