frontend developer reactjs jobs in Toronto

Elevate your career with Qorsa as a Senior Software Engineer in Waterloo, Ontario. Join our mission to secure software supply chains against quantum threats through innovative solutions. As part of Qorsa's dedicated team, you will focus on developing SiQcure, a post-quantum platform enhancing software integrity. This senior role emphasizes backend and...

Elevate your career as a Senior Software Engineer with Mozilla, focusing on backend systems for Firefox and enhancing cloud infrastructure in a collaborative environment. The Mozilla Corporation seeks an experienced engineer to join the Ecosystem Services Team. This role requires strong expertise in backend technologies, collaborating with product managers...

Empower innovation at Beacon, a Toronto fintech, as an Engineering Manager. Apply hands-on expertise to lead a team and deliver exceptional software projects. With a passion for fintech and strong technical foundation, you will own the complete software development lifecycle while mentoring a remote team. This role requires a self-driven manager who...

Elevate your software engineering career as a Senior Fullstack Engineer with affirm in Remote Canada. Collaborate on innovative frontend projects that shape user experiences across mobile and web. At affirm, you will engage in fullstack development, bringing your expertise in web apps, APIs, and mobile technologies to the forefront. This senior role...

OverviewAs a Senior DevOps Engineer at Payfare, you will be joining a diverse team of mixed background technologists.ResponsibilitiesOur mandate as a team is to provide flexible and stable platform solutions that empower our feature development teams to create the highest quality services for our customers.Ongoing monitoring of Payfare’s Kubernetes-based...

Senior Software Engineer, Full Stack The global capital markets are among the largest markets in the world, valued at over $50 trillion and growing. Transactions in these markets involve complex legal terms that must be digested and analyzed by many parties over a single transaction. This critical need drives a booming market for precise extraction and...

Elevate the quality of financial products as a Software Engineer with Fiscal.ai in Canada. Take ownership of the Terminal’s performance, troubleshoot issues, and implement fixes effectively. As a pivotal Software Engineer, you'll be responsible for ensuring the Terminal’s quality and functionality. This engineering-focused role involves identifying and...

Lead innovative solutions as a Staff Back End Engineer with Forma.ai, focused on optimizing sales performance in a collaborative remote environment. Join a team passionate about shaping sales intelligence strategies. At Forma.ai, you'll be part of the TQM team, responsible for designing robust backend systems that enhance enterprise software. This staff...

Embark on your career as a Junior Software Engineer at PheedLoop's Toronto office. Collaborate on cutting-edge solutions that transform event experiences. This full-time role is designed for ambitious developers eager to enhance both backend and frontend applications. You will utilize Python/Django and React frameworks to create REST APIs and quality user...

Transform financial services with Questrade as a Senior Software Engineer. Leverage AI to enhance customer experiences while working in a hybrid environment with cutting-edge technology. At QFG, we are seeking a Senior Software Engineer to lead the development of a next-generation Loan Origination System within our Questbank team. In this hybrid role, you...

Kickstart your career as a Software Engineer Intern at EQ Bank, Canada's innovative Challenger Bank! This role emphasizes hands-on development, working with both frontend and backend technologies in a hybrid work environment.This 8-month internship starting in January 2027 is perfect for undergraduate students in Computer Science or Software Engineering. You...

Forma.ai is a Series B startup that's revolutionizing how sales compensation is designed, managed and optimized. We handle billions in annual managed commissions for market leaders like Edmentum, Stryker, and Autodesk.Our growth has been fuelled by our passion for fundamentally changing and shaping how companies use sales intelligence to drive business...

Job DetailsCompany:Kaseya CareersPosition:Senior Full-Stack Software Engineer — AI-Native Engineering, Java & ReactLocation:Canada - RemoteAbout Kaseya Kaseya is the leading provider of AI-powered IT management and cybersecurity software, serving Managed Service Providers (MSPs) and internal IT organizations worldwide. Our comprehensive platform helps...

Elevate your career as a Senior Generative AI Engineer with Cognizant in Toronto. Utilize your expertise in software development, LLMs, and cloud technologies in a hybrid work model. Cognizant is looking for a Senior Generative AI Engineer with over 7 years of experience in software engineering and full stack development. You will design and deploy...

Join Yoush Consulting as an Independent Full Stack Developer, offering your expertise in React and Node.js. This role provides consulting opportunities while driving technical innovation. This position is ideal for candidates seeking independence in IT consulting while maintaining strong ties with a collaborative team. Yoush Consulting invites you to...

Transform your career at Appnovation as a Full-Stack AI Engineer. This hybrid role emphasizes front-end development and the use of cutting-edge AI design technologies to create impactful applications. At Appnovation, you’ll leverage your expertise in full-stack development, with a strong emphasis on creating prototype applications that meet enterprise...

Embark on your tech career as a Software Engineer New Grad at Zip in Toronto. Contribute to groundbreaking technology while collaborating in a hybrid work model. As a Software Engineer New Grad, you'll directly contribute to developing Zip's core products and architecture. Your role will combine building valuable customer features with solving complex...

Hiring: Frontend UI / Full Stack Developer Work Arrangement: Hybrid – 4 Days/Week Employment Type: Contract Rate: CAD 58–60/hr Incorp + HST Duration: 12 Months Domain: BFSI Experience: 7+ Years Application Deadline: October 15, 2026 EEOC Compliance We are an equal opportunity employer, and all qualified applicants will receive consideration for...

Role Senior Full Stack Developer - Back End (Java/Node) (Lead II - Software Engineering)Location Hybrid - TorontoResponsibilitiesArchitect and develop high-performance, reusable, and maintainable services.Implement and evolve cloud-native solutions using AWS, Azure, or OpenShift.Work in high-frequency CI/CD environments, shipping to production...

Elevate your career with Mozilla as a Senior Backend Engineer on the Ecosystem Services Team. Contribute to backend systems that power Firefox and prioritize privacy and security. In this role, you'll own backend services, ensuring their reliability and health in production. Collaborate closely with frontend engineers and product managers while leveraging...