frontend react js developer jobs in Toronto

We are looking for a product-focused AI Software Engineer to turn advances in AI into restaurant products that work reliably in the real world. You will build across customer-facing experiences, backend services, agent workflows, integrations, and evaluation systems. The job begins with a customer or product problem and ends when the solution is operating...

Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data...

At BuildOps, we’re building a groundbreaking software solution, purpose-built to support today’s commercial contractors. From helping our customers to manage their service all the way to project management, we’re breaking the mold and building a team that invests in our mission statement. We love driven, self-motivated folks that thrive in fast-paced...

AdmitONE is not just a ticketing company, it’s an experience portal built by event and experience creators. This foundation, decades of industry knowledge and experience in promoting, venue management, ticketing, marketing, media relations and artist representation, allows AdmitONE to deliver customers positive, shareable experiences when discovering and...

About Signal 1 US health systems will spend $100-130 billion on AI between 2025 and 2030, and studies show that 95% of AI initiatives fail to deliver measurable impact. Health systems have little to no insight into which AI solutions actually work and bring value, meaning that millions of dollars are wasted on tools that make no difference. About the role ...

We are looking for a product-focused AI Software Engineer to turn advances in AI into restaurant products that work reliably in the real world. You will build across customer-facing experiences, backend services, agent workflows, integrations, and evaluation systems. The job begins with a customer or product problem and ends when the solution is operating...

We’re looking for a hands-on Frontend Developer with strong accessibility expertise to support and modernize existing (legacy) frontend component libraries. This role is ideal for someone who enjoys improving existing systems and ensuring digital experiences are inclusive, compliant, and user-friendly. Role Overview You’ll focus on maintaining...

Become an End-to-End Product Engineer at Ashby, responsible for full project lifecycle management. Implement impactful features through research and specification writing for thousands of users. This senior position requires capability across the stack, from frontend technologies like React to backend solutions. You will rigorously collaborate with Product...

Elevate healthcare design at League as a Principal Design Engineer, bringing intelligent, user-centered products to life. This role demands a perfect balance of design and engineering skill. As a senior individual contributor, you will take charge of the design system that enhances League’s healthcare platform across web, iOS, and Android. With at least 6...

Jobgether is seeking an Associate Architect - Software Developer based in Canada to lead the design, development, and optimization of scalable Java-based microservices and modern web applications. You will work across backend and frontend technologies (Spring Boot, React/Angular/Vue), drive API development, testing, and performance improvements, and mentor...

About Clutch Clutch is Canada’s largest online used car retailer, delivering a seamless, hassle-free car-buying experience to drivers everywhere. Customers can browse hundreds of cars from the comfort of their home, get the right one delivered to their door, and enjoy peace of mind with our 10-Day Money-Back Guarantee. Named one of Canada’s Top Growing...

Emburse Chrome River is seeking a senior software engineer in Toronto to drive Java backend development with a React frontend. You will own features, design robust APIs, and guide junior engineers in a SCRUM/DevOps environment. The role requires 6+ years' experience in Java development, strong Spring/AWS skills, REST API design, and comfort with Docker,...

The CompanyAt Nylas, we specialize in making it easier for developers to add email, calendar, and contact management features into their applications. We provide APIs, which streamline the integration of these functionalities, ensuring they are secure and effective. This enables better, safer, and more reliable communication within apps.Supporting over...

About the Company We are on a mission to build and strengthen our engineering teams to match the accelerating success of our Street Context acquisition. We provide a premium Email, Analytics and Broker Relationship platform, purpose-built for capital markets and institutional investors. About the Role Are you looking for your next challenge in your...

Are you a passionate and experienced UX designer who thriveson taking new initiatives from strategy to implementation? Are you excited about building user-centred solutions that drive business success? If so, wehave an exciting opportunity for you to join our dynamic team! Responsibilities : Lead the entire UXdesign process, from the discovery phase to...

About CoVetAt CoVet, we're building AI-powered tools that help veterinary professionals spend less time on paperwork and more time caring for animals.Veterinary teams are stretched thin. Long hours, administrative burden, and burnout are challenges across the industry. We're on a mission to change that. Our AI copilot helps veterinary professionals save...

Build the tech behind live events PheedLoop's mission is to help organizers turn ordinary events into unforgettable experiences with event technology that is bold, intuitive, and built to bring people together. From conferences and trade shows to campus events and summits, we help teams run smarter events with tools that feel seamless for both planners and...

Direct message the job poster from Proof About Proof Proof is revolutionizing how law firms operate. Our platform is trusted by thousands of legal professionals to streamline workflows and unlock new levels of efficiency. As we scale rapidly, we’re looking for an Engineering Manager who leads with clarity and confidence—but isn’t afraid to roll up...

About the Role As a Senior Mobile Software Engineer within our US Retirement technology organization, you will design, build, and deliver high-quality mobile and backend solutions for our Retirement customers. Working across the full stack, you will develop React Native applications and NestJS services, contribute to architectural decisions, and help...

Full-Stack Engineer — Blair Health (Canada – Remote/Hybrid Toronto) Blair Health is closing the specialist gap in women’s healthcare by making expert menopause and midlife care instantly accessible using AI-driven clinical intelligence. We’re hiring a Full-Stack Engineer to join us on the ground in Canada — someone who can ship quickly, work...