Join to apply for the Senior Backend Developer (w/ DevOps experience) role at Sera4 Sera4 is expanding the Cloud Engineering team powering our Teleporte access control platform. We’re looking for an experienced backend developer to design APIs, build scalable services, and contribute to DevOps automation and management. What you’ll do Build and maintain backend services in Node.js and Ruby on Rails (bonus for Go) Contribute to CI/CD pipelines, automation, and infrastructure reliability Collaborate across hardware, mobile, and product teams to deliver seamless solutions Deploy and manage containerized applications using Docker Balance backend development with DevOps responsibilities What we’re looking for 5+ years of professional software engineering experience Expert in Node.js and/or Ruby on Rails development Familiarity with microservices, APIs, and distributed systems Hands‑on with AI coding tools like Cursor, GitHub Copilot, or similar Solid Linux + Cloud DevOps skills (AWS, GCP, Azure, or similar) Proven experience with Docker and CI/CD workflows Excellent English communication skills (written and spoken) Must be based in Canada and able to come to the Waterloo, Ontario office occasionally Local candidates given priority Nice to have Kubernetes, Terraform, or Helm Security best practices for SaaS/on‑prem Experience in IoT or hardware + software environments Familiarity with ISO 27001 Why Sera4? Be part of a global platform used in mission‑critical industries Work with modern dev + devOps toolsets that embrace innovation Build products that bridge hardware, mobile, and cloud Hybrid‑friendly team culture with Canadian roots and global reach Sera4 is an equal opportunity employer Job Details Seniority level: Mid‑Senior level Employment type: Full‑time Job function: Engineering and Information Technology Industries: Computer and Network Security #J-18808-Ljbffr