Backend Engineer Jobs in Toronto, USA

User Platform (UP) is a studio in the SAFE Alliance as part of Spotify's Platform Mission. The studio owns capabilities and infrastructure for Customer Identity and Access Management at Spotify.   The studio was established with a central mission: to connect users with Spotify and Spotify with its users. Its purpose is to provide a secure platform that allows users to establish their identity and manage their account data across various interfaces. At the same time, it empowers teams across Spotify to reliably tailor the overall user experience to meet individual needs.   User Platform is responsible for many of the core services needed for Spotify to function and provide the 700M+ users across the world access to the audio experience they desire.   Lockness is the team that powers business authorization at Spotify. We own how access is defined and scaled across every vertical in the company. As a full-stack team, we build foundational IAM capabilities that keep Spotify secure while enabling teams to move fast. As a Backend Engineer, you’ll help build, maintain and scale the next generation of Business IAM, expanding our authorization platform in both depth and reach.

The Platform team creates the technology that enables Spotify to learn quickly and scale easily, enabling rapid growth in our users and our business around the globe. Spanning many disciplines, we work to make the business work; creating the infrastructure, tooling, frameworks, and capabilities needed to welcome a billion customers.   Starfleet sits at the heart of Spotify’s developer experience evolution. We build and operate critical internal platforms like Fleetshift — the engine powering large-scale automated code refactoring across Spotify — and Production Policy Enforcer, which secures and streamlines our production fleet. Now, we’re leading one of the most transformative shifts in Spotify’s engineering culture: migrating from a polyrepo ecosystem to a unified monorepo model.   This is not just a tooling migration. It’s a rethinking of how thousands of engineers build, test, and ship software every day. As part of Starfleet, you’ll help shape the foundation of Spotify’s engineering future.

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 commercial outcomes with actionable intelligence — spanning patient and HCP audience targeting, community engagement, AI-powered web solutions, coordinated omnichannel activation, and prescription fulfillment.   We believe our people are our greatest asset. Swoop fosters a culture of innovation and continuous learning, providing employees with rich opportunities for professional growth. This commitment to our team earned us the "Best Places to Work" recognition from Business Intelligence Group in 2025 and 2026. We are driven by a patient-first philosophy and passionate about leveraging technology to create a healthier future. After becoming an independent company in 2024, Swoop experienced significant growth and demonstrated an unwavering commitment to innovation, talent development, and enhancing the patient experience. Our acquisition of MyHealthTeam in January 2025 and Nimble in May 2026 helped us further bridging the gap between healthcare brands and patients for more impactful and targeted engagement. Empowering millions of patients nationwide to connect, share resources, and access medically verified information to better manage their health. MyHealthTeam hosts the largest and most engaged patient social networks in healthcare, offering more than 70 condition-specific communities for chronic and rare conditions. As a prescription fulfillment and patient engagement platform, Nimble empowers independent and regional pharmacies to deliver a modern, consumer-friendly healthcare experience while streamlining pharmacy operations.   If you're a driven professional seeking to make a real difference in healthcare marketing at a fast-growing, innovative company, join Swoop and help us revolutionize how brands connect with patients and HCPs. *Current Canadian work authorization is strongly preferred. Visa sponsorship may be considered on an exceptional basis for highly qualified candidates who possess specialized skills critical to this role.   As a Senior Backend Engineer, you will have a hand in architecting the technology and customer experience that are pivotal to multiple web products for patients, pharmacies and other customers of NimbleRx (www.nimblerx.com). You will join a team of world-class, highly motivated software engineers who build for performance, reliability, and scalability. You will work closely with other developers, as well as with groups such as product management and design, to understand feature requirements and functional and technical use cases. With your colleagues, you will work to deliver high-quality code on time.   Our engineering culture: We operate with shared trust and no egos. We enjoy being "in this together" and collaborating on the challenges of a rapidly scaling business. We daily live out our company values of empathy, simplicity, autonomy, leadership, ownership, burning curiosity, bias for action, mentorship, and operate with context, not control, in a highly collaborative environment. 

3Pillar is an AI transformation partner on a mission to help enterprises build the AI-native products and intelligent agents that will define the next era of business. With teams across North America, Europe, Latin America, and Asia, we work with the most ambitious companies in financial services, healthcare, media, and technology — helping them move faster, modernize boldly, and compete on their own terms. Our HelixAI platform and Helix Pods delivery model put our engineers at the center of real agentic transformation — doing work that is open, portable, and built to last. We are building the future of enterprise AI.