backend developer position jobs in Toronto

Elevate your career with Affir as a Backend Software Engineer in our remote Identity Decisioning team. Focus on developing backend systems that ensure consumer identity validation across all products. Affir is seeking a Software Engineer II to join its remote team in Canada. You'll design and launch robust backend systems, working with technologies such as...

Lead the design and development of innovative backend systems at Swoop, enhancing healthcare outcomes through technology. This hybrid role in Toronto requires expertise in building scalable APIs and services. As a Senior Backend Engineer, you will architect pivotal technology for multiple web products at Swoop, focusing on NimbleRx. Collaborate with top...

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...

Teladoc Health Canada is a virtual care provider that proudly serves over 9 million Canadians from coast to coast to coast. We use proprietary health signals and personalized interactions to drive better health outcomes across the full continuum of care, at every stage in a person's health journey. Teladoc Health leverages more than two decades of expertise...

Elevate location search technology with Uber Maps as a Staff Software Engineer. Lead critical backend services and scalable systems while collaborating across teams in a dynamic environment. In this impactful role, you will set the technical direction for high-stakes Maps Search projects, from initial problem definition to full production delivery. You'll...

About Us At Bettermode, we are redefining how businesses streamline customer experiences and foster strong relationships. Our platform empowers businesses to seamlessly craft powerful web apps with engagement tools in its core tailored to their unique needs. Backed by Silicon Valley investors and trusted by brands like Lenovo, Mercedes, and IBM, we're proud...

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...

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...

About the team + roleWe are building an elite team, applying frontier technologies to the world’s biggest financial problems. We’re looking for bold thinkers. Sharp problem-solvers. Builders who are wired to make an impact. Robinhood isn’t a place for complacency, it’s where ambitious people do the best work of their careers. We’re a...

Shape the future of identity technology with Affirm as a Staff Software Engineer focused on backend systems. Collaborate on solutions while working remotely across Canada. Affirm is seeking a Staff Software Engineer for its Identity Decisioning team. With over 8 years in backend development using Python or Kotlin, you will create scalable, highly available...

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,...

At Swoop, our mission is simple: Improving patient outcomes. As a market leader in AI-driven, data-powered, and privacy-compliant healthcare engagement, we connect the signals that drive earlier diagnosis, better treatment decisions, and sustained adherence.Our integrated, privacy-safe platform, enables life sciences companies to drive measurable patient 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...

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...

Step into a key role at Noetica as a Lead Backend Systems Engineer, focusing on building powerful APIs in a hybrid work setting. Help shape our transformative legal document analysis tools. Your expertise will drive the development of backend systems that are critical to our document analysis platform. You will collaborate with experts in AI and market...

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. We are building an elite team, applying frontier technologies...

Enhance your career as a Senior Software Engineer, AI in Toronto, focusing on backend solutions that empower LLM applications. Transform user data into actionable insights. In this prominent role, you will be instrumental in developing backend architectures that support LLM-driven functions and workflows. With an emphasis on retrieval systems and real-time...

Transform financial technology as a Backend Software Engineer on Robinhood’s elite Web3 team in Toronto. Build innovative backend services that elevate the trading experience for cryptocurrencies and tokenized assets. This role at Robinhood demands strong problem-solving skills and an ownership mindset. You will create and maintain scalable systems for...

EvenUp is on a mission to close the justice gap using technology and AI. We empower personal injury lawyers and victims to get the justice they deserve. Our products enable law firms to secure faster settlements, higher payouts, and better outcomes for victims injured through no fault of their own in vehicle collisions, accidents, natural disasters, and...