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Top React Developer Jobs in Toronto

317+ Job Results
8 Days Ago
Toronto, ON
Remote
6,000 Employees
5-7 Years of Experience
6,000 Employees
5-7 Years of Experience
Cloud
Join Okta as a Senior Frontend Software Engineer to redefine the future of personal identity on the internet. Collaborate with a talented team to create seamless digital experiences for users. Strong communication and collaboration skills are essential, along with expertise in React/Javascript.
Top Benefits:
401-K
Adoption Assistance
Commuter Benefits
+32 More
18 Days Ago
Toronto, ON
44 Employees
5-7 Years of Experience
44 Employees
5-7 Years of Experience
Information Technology • Software
Backend Software Engineer - Platform Products at Wholesail, responsible for developing and expanding the foundational accounting platform, integrating with fintech providers, and driving new product areas.
8 Days Ago
Toronto, ON
Remote
24 Employees
5-7 Years of Experience
24 Employees
5-7 Years of Experience
Robotics
We're looking for an experienced Frontend Product Engineer who gets excited about solving complex product problems and pushing web technologies to the limit.
15 Days Ago
Toronto, ON
Remote
175 Employees
5-7 Years of Experience
175 Employees
5-7 Years of Experience
Security • Cybersecurity
Abnormal Security is looking for a Sr Back End Software Engineer to join the Inbound Email Products (IEP) team. The ideal candidate will have in-depth knowledge about backend and distributed computing. They will work with the Tech Lead, Engineering Manager, and Product Manager to craft the roadmap for the team, lead critical software projects, mentor junior members, and collaborate with other teams to implement customer requests. The candidate must have a BS degree in Computer Science or related field, at least 5 years of industry experience in backend web development, and experience working with distributed teams.
11 Days Ago
Toronto, ON
Hybrid
62 Employees
7+ Years of Experience
62 Employees
7+ Years of Experience
Artificial Intelligence • Security • Software
Voxel is looking for an experienced Staff Software Engineer to design and implement backend APIs and services for their site intelligence platform. The role involves leading engineering projects, designing backend services, data modeling, and contributing to software engineering best practices.
8 Days Ago
Toronto, ON
Remote
1,041 Employees
5-7 Years of Experience
1,041 Employees
5-7 Years of Experience
Other
As a Sr Software Development Engineer at BeyondTrust, you will play a crucial role in launching and supporting the BeyondTrust SAAS system. You will design, build, and maintain highly scalable and resilient full-stack platform components and services, contribute to system design, provide technical leadership, and ensure high quality and outstanding user experience for web-based applications. You should have 5+ years of experience in delivering and supporting cloud-based systems, modern design patterns, strong communication and collaboration skills, and expertise in modern JavaScript frameworks and microservices architectures.
Top Benefits:
401-K
Dental Insurance
Disability Insurance
+7 More
8 Days Ago
Toronto, ON
Remote
800 Employees
3-5 Years of Experience
800 Employees
3-5 Years of Experience
Travel
Senior Software Engineer role in Fintech team at Hopper, responsible for crafting and implementing backend systems. Collaborate with cross-functional teams to innovate travel technology. Ideal candidate has experience in Scala, AngularJS, ReactJS, system architecture, service communication methods, and Terraform. Perks include competitive salary, insurance coverage, and telemedicine services.
Top Benefits:
401-K
Company Equity
Dental Insurance
+21 More
17 Days Ago
Toronto, ON
Remote
5-7 Years of Experience
5-7 Years of Experience
Software
Backend Software Engineer at Amplemarket responsible for building the core of the AI-powered sales platform, solving diverse engineering problems, and designing state-of-the-art APIs. Collaborate with cross-functional teams to deliver new features and provide mentorship to other engineers.
8 Days Ago
Toronto, ON
5,360 Employees
5-7 Years of Experience
5,360 Employees
5-7 Years of Experience
Payments • Software
Design, build, and maintain APIs and services for marketing systems team. Partner with engineers, analysts, and scientists to deliver scalable systems and delightful user experiences. Improve infrastructure and engineering standards. Minimum 5 years experience required.
17 Days Ago
Toronto, ON
Remote
385 Employees
5-7 Years of Experience
385 Employees
5-7 Years of Experience
Digital Media
Lead the development of sophisticated AdTech solutions, emphasizing React and Prebid.js. Utilize advanced JavaScript knowledge to build high-performance web applications. Mentor junior engineers and promote a culture of learning and experimentation in advertising technologies.
Top Benefits:
401-K
Company Outings
Dental Insurance
+16 More
16 Days Ago
Toronto, ON
Remote
310 Employees
7+ Years of Experience
310 Employees
7+ Years of Experience
Enterprise Web • Marketing Tech • Software
Join Frontify as a Senior Backend Engineer to enhance the brand and digital asset management platform, focusing on reliability, security, and performance. Work on extending, modernizing, and scaling backend services.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+38 More
20 Days Ago
Toronto, ON
Remote
578,950 Employees
7+ Years of Experience
578,950 Employees
7+ Years of Experience
Big Data • Cloud • Logistics • Machine Learning • Retail
Seeking a Staff Software Engineer with experience in React, ReactNative, Java, and GraphQL to deliver associate-centric people experiences in a large-scale environment. Responsibilities include designing solutions, guiding coding patterns, supporting code reviews, driving scalability and security, creating automation scripts, and translating customer requirements into test strategies.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+21 More
7 Days Ago
Toronto, ON
2,264 Employees
5-7 Years of Experience
2,264 Employees
5-7 Years of Experience
Sales • Software
Platform Software Engineer III role at ZoomInfo focusing on backend development for the Chorus Platform team. Responsibilities include designing, building, and deploying complex distributed systems and integrating with conference providers using SDKs. Required skills include experience with Python, distributed systems design, RESTful API, microservices development, cloud infrastructure, package management, NoSQL, SQL, and strong communication skills.
Top Benefits:
401-K
Company Outings
Dental Insurance
+10 More
15 Days Ago
Toronto, ON
Remote
160 Employees
3-5 Years of Experience
160 Employees
3-5 Years of Experience
Healthtech • Other • Software
The full stack Senior Engineer at Nomad Health will work on building product and platform features to improve performance and user experience. Responsibilities include defining best practices for clean code, owning architecture, providing mentorship, and contributing to technical decisions. Qualifications include 4+ years of full stack development experience, strong object-oriented design principles, and proficiency in Python, JavaScript, TypeScript, React, and REST API development.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+43 More
16 Days Ago
Toronto, ON
Remote
1,004 Employees
3-5 Years of Experience
1,004 Employees
3-5 Years of Experience
HR Tech
Join Remote as a Backend Engineer working with Elixir and Postgres to build features, tools, APIs, and integrations for global remote organizations. Enjoy competitive salary, stock options, and a supportive work environment with opportunities for professional growth.
16 Days Ago
Toronto, ON
Remote
1,485 Employees
5-7 Years of Experience
1,485 Employees
5-7 Years of Experience
Internet of Things
As a Senior Staff Full-Stack Engineer on the Solo team at Mozilla Corporation, you will work on the Solo AI Website Creator project. The role involves building back-end infrastructure on Google Cloud, assisting with front-end experiences, enabling integrations with various services, and collaborating with cross-functional teams. You will have the opportunity to influence the future of the product and operate in a startup-like environment.
Top Benefits:
401-K
Commuter Benefits
Company Outings
+15 More
16 Days Ago
Toronto, ON
Remote
181 Employees
3-5 Years of Experience
181 Employees
3-5 Years of Experience
Beauty • Enterprise Web • Fintech • Payments • Software
As a Senior Software Engineer, Backend at GlossGenius, you will focus on contributing to backend services that power the suite of products. Responsibilities include owning projects end to end, collaborating with cross-functional teams, producing high-quality code, architecting tools using design patterns, and upholding best practices.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+32 More
9 Days Ago
Toronto, ON
Remote
284 Employees
3-5 Years of Experience
284 Employees
3-5 Years of Experience
Healthtech
Looking for a Fullstack Engineer to join the Enterprise Product and Delivery team in Canada. Responsible for customizing products for clients, working with Java, Kotlin, React, and more, and contributing to unit and integration tests. Must be quality-driven, have experience in agile development, and be proactive and result-oriented.
13 Days Ago
Toronto, ON
Remote
3,700 Employees
1-3 Years of Experience
3,700 Employees
1-3 Years of Experience
Cloud • Fintech • Cryptocurrency • NFT • Web3
As a Software Engineer at Coinbase Trust & Loyalty, you will be responsible for building new products targeting high net worth individuals. You will work on decomposing monolithic Rails app into microservices, articulating a long-term vision for backend systems, and collaborating with cross-functional teams to drive product and technical roadmap.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+38 More
8 Days Ago
Toronto, ON
Remote
349 Employees
7+ Years of Experience
349 Employees
7+ Years of Experience
Gaming
As a Staff Frontend Engineer - Multiplayer at Fortis, you will be responsible for developing new game features, working on server-dependent game features, collaborating with other developers, and fixing bugs and performance issues. You will play a key role in the development of a large-scale multiplayer experience and contribute to the success of the game.
15 Days Ago
Toronto, ON
Remote
28 Employees
1-3 Years of Experience
28 Employees
1-3 Years of Experience
eCommerce • Retail
Seeking a developer with 2+ years of Elixir experience to assist in transitioning the tech stack from Django+React to Elixir. Responsibilities include developing new features, collaborating with the team, and writing well-tested Elixir code. The role is primarily remote with occasional in-person meetings in the EST timezone.
15 Days Ago
Toronto, ON
Remote
385 Employees
3-5 Years of Experience
385 Employees
3-5 Years of Experience
Digital Media
Join Scribd as a Software Engineer II focusing on backend software development with expertise in Ruby on Rails. Collaborate with product and data teams to ensure financial integrity and implement projects with a focus on quality and scalability. Responsibilities include writing technical documentation, addressing architectural gaps, and developing automated frameworks.
Top Benefits:
401-K
Company Outings
Dental Insurance
+16 More
14 Days Ago
Toronto, ON
Remote
275 Employees
7+ Years of Experience
275 Employees
7+ Years of Experience
eCommerce
Senior Software Engineer focusing on frontend development, responsible for building products that enhance post-purchase experiences for retail brands. Utilizes React, Redux, and GraphQL to deliver complex features with millions of views. Responsibilities include implementing new features, building platform components, and contributing to frontend architecture. Requires 7+ years of Javascript development experience, BS/MS in computer science, and experience with frontend frameworks and APIs.
Top Benefits:
401-K
Company Outings
Dental Insurance
+12 More
12 Days Ago
Toronto, ON
5-7 Years of Experience
5-7 Years of Experience
Social Media
Seeking Senior Software Engineers to join our Monetization and Core engineering teams at Pinterest. Responsibilities include building backend features, leading product development processes, collaborating with cross-functional teams, and designing large-scale distributed systems. Must have 5+ years of backend development experience and proficiency in Java and Python.
20 Days Ago
Toronto, ON
26,035 Employees
5-7 Years of Experience
26,035 Employees
5-7 Years of Experience
eCommerce • Retail
Seeking a Senior Full Stack Software Engineer with 5+ years of experience to develop features and services in highly scalable backend systems. Must have experience with AWS services, React framework, and designing complex data models.
Top Benefits:
401-K
Adoption Assistance
Commuter Benefits
+22 More
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