backend web developer jobs in Toronto

About the job RQ08589 - Web Specialist - Senior The main function of the Senior Accessibility and Equity & Inclusion Specialist will be to lead accessibility efforts under our multi-year accessibility plan by prioritizing and managing initiatives, progress reports, and budgets. They will also work with internal stakeholders, external partners, and our...

Staff Software Engineer, Backend About Stream Stream powers real-time Chat, Video, Activity Feeds, and AI Moderation for more than 1 billion end users across 4,000+ apps, from Strava and Bumble to eBay and Patreon. Our platform processes billions of API requests per month and supports applications with millions of concurrent users, while delivering highly...

Elevate your freelance career as a Mid-Senior Specialist Web Designer with N4 Studio. Collaborate on diverse web design projects, creating visually stunning digital experiences for ambitious brands. In this project-based role, you'll partner with N4 Studio, a leading global digital agency. Utilize your strong creative skills and expertise in UX/UI to design...

Pursue a challenging role as a Backend-Focused Senior Software Engineer in a hybrid working setup. You'll be responsible for designing and implementing scalable backend systems that drive complex document analysis. This senior position emphasizes backend work, where you’ll engage in API design and data processing while also having the opportunity to work...

Job Description: Senior Software Engineer (AI-First, Agentic AI) Remote Canada Compensation & Role Details Expected Salary Range: $130,000 - $170,000 CAD, depending on experience and qualifications Role Type: New Role AI Disclosure: AI is used to screen, assess, or select applicants for this role Overview We’re a software company at the start of...

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies - from the world’s largest enterprises to the most ambitious startups - use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering...

Excel as a Staff Backend Software Engineer at Motion, focusing on API design and backend services. Use your skills in Node, TypeScript, and MongoDB to influence company-wide operations. Join Motion's Platform team to develop and enhance high-quality backend solutions that cater to diverse product lines. You will collaborate closely with engineers to deliver...

About Genius AI Genius AI is building technology to help local businesses run themselves. Genius AI products do the admin work that keeps practitioners from the work they love and the people they serve. From GlossGenius to Reception, its products work 24/7 on busywork like booking, marketing, client management, finances, staff and inventory management, and...

Drive StackAdapt's digital strategy as a Web Marketing Manager. Create web experiences that resonate with audiences and support our business objectives. In this role, you'll be responsible for the strategy and execution of web content, enhancing our site's effectiveness at telling our story while driving engagement. Your expertise in SEO, content creation,...

Drive innovation as a Senior Backend Engineer with a remote-first AI-native platform team focused on marketing and creative insights. You will leverage your expertise in Node.js and TypeScript to craft robust backend systems that scale effectively. Join a fast-growing Series B company where you’ll design and maintain backend APIs that support various...

Enhance data analytics as a Backend Software Engineer. Create scalable backend systems that support measurement and reporting functionalities, shaping the future of marketing analytics with your innovative designs. Be a part of the Analytics team responsible for crucial data interpretation and reporting tools. You will design, maintain, and improve backend...

Why HarveyAt Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come. This is a rare chance to help build a generational company at a true inflection point. We have strong...

Shape the future of backend services as a Backend Software Engineer. Focus on creating and reviewing RESTful APIs using Java/Spring Boot for optimal service performance. In the role of Senior Software Developer, you will lead service design efforts and orchestrate API integrations. This strategic position collaborates closely with Business Analysts to...

At Harvey, we’re transforming how legal and professional services operate. By combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise, we’re reshaping how critical knowledge work gets done for decades to come. This is a rare chance to help build a generational company at a true inflection point. The work is ambitious, the...

Job Description: Senior Software Engineer (AI-First, Agentic AI) Remote Canada Compensation & Role Details Expected Salary Range: $130,000 - $170,000 CAD, depending on experience and qualifications Role Type: New Role AI Disclosure: AI is used to screen, assess, or select applicants for this role Overview We’re a software company at the start of building...

Take on a vital role as a Senior Python Backend Engineer focusing on API and platform engineering in Toronto, Ontario. Develop scalable backend solutions for mission-critical financial platforms. This on-site position is suited for candidates with 5-10+ years of strong Python backend development experience. You will design and implement backend services...

Elevate your career as a Staff Backend Engineer with DoorDash in Toronto, ON. Lead the architectural strategy for a powerful notification system designed for massive scalability and intelligent personalization. This role emphasizes technical leadership and a strong grasp of distributed systems. Your focus will be on driving the roadmap for the Notification...

Build Authentication as a Service at eBay with Java, Spring Boot, REST, and cloud infrastructure expertise. Work on scalable backend systems.As a Senior Software Engineer, you will develop production-grade backend services for authentication workflows. You will shape architecture, infrastructure, and deployment foundations for a reusable platform extending...

Elevate your engineering career as a Backend Engineer at DoorDash, blending innovation with technology in a hybrid work model. Contribute to a global infrastructure system that enhances a three-sided marketplace. As a Backend Engineer, you will work with Product and Product Platform teams to craft elegant technical solutions that drive business impact. Your...

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass,...