Senior Backend Engineer

Tucows Domains is the world’s largest wholesale domain registrar, responsible for maintaining the health, neutrality, and openness of an important—but largely invisible part of the Internet: the domain name system (DNS). As part of Tucows—one of the world’s largest Internet companies—Tucows Domains has a rich history of helping make the Internet better, operating globally under the Ascio, Enom, Hover and OpenSRS brands. We embrace a people-first philosophy that is rooted in respect, trust, and flexibility. We believe that whatever works for our employees is what works best for us. It’s also why the majority of our roles are remote-first, meaning you can work from anywhere you can connect to the Internet! Today, over one thousand people from over 20 countries are part of our team. If this sounds exciting to you, join the herd! Description We are looking for an experienced backend engineer who enjoys solving complex problems, sharing knowledge, and building reliable software. As a Senior Backend Software Engineer, you will design, build, and maintain the services, databases, and APIs that support our products. This is a hands-on individual contributor role that also includes responsibility for technical direction and coordinated delivery across multiple systems. You will lead design discussions, break down complex initiatives, coordinate technical work, and collaborate with Product, Operations, and other engineering teams to deliver secure, reliable, and maintainable software. This is a remote position for applicants based in Canada. Responsibilities Design, develop, test, and maintain secure, scalable, and reliable backend systems. Provide technical direction across multiple applications and services. Lead architecture and design discussions and document important technical decisions. Translate business and product requirements into practical technical plans. Break down initiatives, coordinate technical work, and manage dependencies and blockers. Collaborate with Pro