Backend Engineer - User Platform

Join the User Platform (UP) team at Spotify, a key component of our SAFE Alliance, dedicated to enhancing the user experience through innovative Customer Identity and Access Management (CIAM). Our mission is simple yet profound: to create seamless connections between Spotify and our 700 million users worldwide.The User Platform is designed to provide a secure environment where users can manage their identity and account information across multiple interfaces. By doing so, we empower internal teams to deliver personalized user experiences that cater to individual preferences.As a member of the Lockness team, you will play a crucial role in shaping business authorization processes at Spotify. We are a full-stack team responsible for developing foundational IAM capabilities that ensure security while enabling rapid innovation. As a Backend Engineer, you will contribute to building, maintaining, and scaling our next-generation Business IAM, expanding our authorization platform's functionality and reach.

At Lyft, we are dedicated to connecting and serving our community. Our mission is to foster a workplace where every team member feels a sense of belonging and can thrive in their roles.The Marketplace teams are integral to our products and strategic decisions. We are in search of passionate and motivated engineers to develop systems that empower our users—both Drivers and Riders—by enhancing their experience with Lyft's offerings, making them more predictive, personalized, and adaptive. If you are enthusiastic about tackling challenges in distributed computing, machine learning, and data while building robust systems, we invite you to join our fast-paced, innovative, and collaborative environment.As a Backend Software Engineer, you will leverage your technical skills to manage project timelines, priorities, and deliverables. You will be responsible for designing, developing, testing, deploying, maintaining, and enhancing our platform offerings, significantly impacting various business areas.We seek self-starters with a proven track record of delivering software solutions that address critical business needs. The ideal candidate will dive deep into complex problems and devise technical solutions to resolve them. Ownership of projects or features, driving them from design to execution, is essential.The Growth Platforms team oversees the Incentives & Messaging systems at Lyft, responsible for delivering timely and relevant messaging and incentives to users. Collaborating with cross-functional engineering teams—including those focused on rider and driver experiences, marketing, and product management—you will help adapt our services and platform offerings to support Lyft's growth. You will have the chance to enhance quality and efficiency through machine learning optimizations that impact critical aspects of our platform.

Join Spotify's dynamic team as a Backend Engineer focused on our Platform. In this role, you will have the opportunity to design, develop, and maintain backend services that support our vast music streaming ecosystem. You'll work alongside talented engineers to deliver high-quality solutions that enhance user experience and drive innovation.

About MagicalMagical is an innovative automation platform that integrates cutting-edge AI technology into the healthcare sector, providing AI agents capable of functioning effectively in real-world settings.Our mission is to create 'AI employees' that streamline tedious and time-consuming processes, specifically in healthcare—a massive $4 trillion industry laden with administrative burdens. We focus on automating critical tasks such as claims processing, prior authorizations, and eligibility checks, allowing healthcare professionals to dedicate more time to patient care.Our AchievementsAs pioneers in the transition to agentic automation in healthcare, we have achieved significant traction:Dramatic revenue growth with clients expanding into new workflows ahead of contract renewals.Rapid proof-of-concepts completed in just 7 days, delivering tangible value in an industry where similar timelines typically span months.Self-repairing automations with production-level reliability at scale, outperforming competitors who struggle to launch functional solutions.Unlike many AI firms that make grand promises, we provide dependable solutions that yield measurable outcomes. Our backing includes notable investors such as Greylock, Coatue, and Lightspeed, with a total funding of $41M. Our founder, Harpaul Sambhi, is a seasoned entrepreneur who previously sold his first company to LinkedIn.Role OverviewIn your role as a Senior Backend Engineer on the Agent Platform team, you will develop the core systems that drive our AI agents—covering aspects from orchestration and state management to model integration and evaluation pipelines. This position is centered around platform engineering, focusing on building the infrastructure that empowers our team to deliver reliable, production-grade agentic automation.You will work at the forefront of multi-agent systems, designing collaborative strategies for agents to tackle complex healthcare workflows. You will take ownership of essential backend services, overseeing them from architecture to deployment while developing verification systems that ensure our agents perform accurately every time.This hybrid position requires you to be onsite in our Toronto office two days each week.

Role Overview Venn is hiring a Senior Backend Engineer in Toronto. This role focuses on designing and improving backend architecture to support reliable, scalable applications. The position involves close collaboration with colleagues from various teams to deliver solid software that supports business goals.

About UsAir-tek is an innovative Canadian software company recognized for its unique suite of products that have secured a significant presence in the global market. Our product-market fit is exceptional, and we are experiencing a surge in customer demand. During this phase of rapid growth, we maintain a discreet operational presence.Our diverse team is united by a shared passion for tackling complex challenges, a commitment to innovation, and an ambition to redefine the passenger-centric travel industry. Located in Toronto, we foster an inclusive culture based on trust, collaboration, excellence in product delivery, and continuous personal development. We take pride in our work and support each other as a team.About the TeamThe Platform Engineering team consists of highly collaborative software engineers dedicated to building, scaling, and maintaining the foundational infrastructure that empowers other teams to develop Air-tek’s software solutions. We focus on creating secure, scalable, and efficient infrastructure, employing modern development practices. Our impact is felt across the company as we work closely with operations, support, product management, and other engineering teams to meet Air-tek’s objectives.As a Senior Platform Engineer, you will play a pivotal role in designing, developing, and operating our core platform services, enabling us to deliver robust and reliable infrastructure solutions that support the expanding needs of our products.

Transforming Learning Through AIAt Docebo, we harness the power of artificial intelligence to revolutionize workplace learning. We are not just another learning platform; we are an innovative AI-driven solution that empowers organizations to create, deliver, and manage training seamlessly. Our primary goal is to enhance team efficiency and focus on what truly matters, transforming traditional training from a mere formality into a powerful tool for growth. With our advanced, intuitive tools, we personalize the learning experience, remove unnecessary tasks, and drive real results for businesses.Join us in reshaping the future of learning with a dynamic team that embraces challenges and fosters innovation. If you are passionate about using AI to improve work-life for individuals, you’ll find your place here. At Docebo, our core values—trust, positive intent, and inclusivity—are not just slogans; they guide our daily operations. This is what we call the Docebo Heart.Why wait? Become a part of our global team of over 900 Docebians and help us redefine how people learn because the journey of learning never truly ends.About the Opportunity:The Adventure Awaits As the Product Owner for User Management, you will be pivotal in translating our product strategy into functional, high-performance experiences for our users. Working within a dedicated cross-functional squad, you will oversee the tactical execution of all aspects related to User Management within our platform. While these areas may not directly drive revenue, they are crucial for ensuring the scalability, reliability, and adoption of our core products.This hands-on role is perfect for an analytical and detail-oriented individual who is passionate about creating robust and user-friendly functionalities that support other teams and products.The Daily Responsibilities Manage the Backlog: Take charge of the squad backlog for User Management, Authentication, and Privacy, ensuring alignment with our broader product vision.Define Requirements: Convert complex challenges into clear user stories, functional specifications, and acceptance criteria for Engineering and Quality Assurance teams.Ensure Timely Delivery: Collaborate with Engineering leads to scope projects and prioritize increments effectively.

Role Overview Guidepoint is looking for a Senior Platform Engineer to strengthen infrastructure reliability and improve the developer experience. This hybrid role is based in Toronto, Ontario. What You Will Do Enhance the scalability and reliability of a Kubernetes-based cloud environment. Lead the shift toward a self-service platform model for internal teams. Apply software engineering principles to infrastructure challenges. Use Agentic AI to automate complex workflows and develop "Golden Paths" that reduce manual steps. Design and build software to manage and monitor Kubernetes clusters, focusing on resilience, cost-efficiency, and self-healing systems. Location and Work Model This is a hybrid position based out of Guidepoint's Toronto office.

About Our TeamThe New Ventures team at HelloFresh is dedicated to expanding our global presence by introducing our core products to new markets and exploring various brands and verticals. As a diverse and globally distributed team, we operate across over 7 brands in more than 15 countries, creating innovative products and engaging experiences that delight customers. With numerous exciting projects in progress, we are motivated to build the next billion-dollar business. If you thrive on bold challenges, we want you on our team!Our team is a collaborative mix of engineers, designers, and product owners, united in our mission to tackle fascinating e-commerce and supply chain challenges related to food consumption. This includes enhancing user experiences to simplify food purchasing and developing robust software solutions to support our distribution centers.We are seeking a talented engineer to help us create elegant solutions and write high-quality code while collaborating with various team members to enhance our consumer-facing applications and the underlying infrastructure. As a part of our Toronto team, you will work alongside skilled engineers who, in partnership with our global teams, have established HelloFresh as the premier meal delivery service worldwide!

Marble AI develops AI-powered tools designed to help accounting firms and their clients manage taxes with greater efficiency. The team’s work centers on simplifying complex tax workflows for mid-sized and large firms. As an early-stage company, Marble AI encourages collaboration and focuses on solving important challenges for its customers. Role overview The Platform Engineer will play a key role in strengthening and expanding the infrastructure that supports Marble AI’s tax platform. Working closely with the engineering team, this position aims to accelerate product development and maintain secure systems capable of handling sensitive financial information. This role combines elements of infrastructure, DevOps, and Site Reliability Engineering. The Platform Engineer will design and maintain the platform, enhance developer tools, and ensure that systems remain secure, observable, and resilient. Input into the direction of the data platform and security practices across the technology stack is also expected. What you will do Build and manage cloud infrastructure using infrastructure-as-code principles. Take responsibility for system reliability, observability (with OTEL), and incident response. Design and refine developer tooling and CI/CD pipelines. Collaborate with product and data teams to address scalable data platform needs. Maintain strong security practices, especially in handling sensitive tax data. Optimize system performance, scalability, and cost across services. Contribute to infrastructure, backend systems, and developer workflows. Requirements Extensive experience with cloud infrastructure such as AWS or similar platforms. Hands-on expertise with Kubernetes, Terraform, and Helm. Background in DevOps, SRE, or platform engineering roles. Experience building and maintaining CI/CD pipelines or developer tools. Strong understanding of distributed systems, networking, and system reliability. Ability to deliver practical solutions while considering long-term system design. Location Toronto

About Rootly At Rootly, we are dedicated to revolutionizing the way organizations manage incidents, ensuring that every company can operate with greater reliability. We achieve this by developing a state-of-the-art incident management platform that enables organizations globally to swiftly and effectively address incidents. Our mission goes beyond mere industry transformation; we are forging a brand-new multi-billion dollar segment and require exceptional talent to help us realize this ambitious vision. Rootly has garnered the trust of customers worldwide, including some of the fastest growing companies like NVIDIA, Figma, Canva, Tripadvisor, and Squarespace, who depend on our platform to streamline their critical incident management procedures. Our commitment to delivering a delightful enterprise-ready platform and a distinctive partnership model has resulted in glowing reviews—discover why we’ve earned 5 stars on G2. Our investors share our excitement. Rootly is backed by esteemed funds, including Y Combinator and leaders like the CTOs of Dropbox and GitHub. We are transparent about our financial health and progress, sharing insights during interviews and hosting monthly financial reviews for our team to stay informed about our business's status. Our ongoing developments are documented in our weekly changelog. About the Role This is a unique opportunity to join Rootly as an early engineer and significantly influence our growth journey. You will work on the infrastructure that supports incident response and on-call functions for some of the most innovative teams globally. This role transcends traditional operations; we seek software engineers passionate about infrastructure, developer experience, systems thinking, and dedicated to creating tools that enhance the reliability, performance, and scalability of our engineering organization. At Rootly, we prioritize speed, quality, and impact. Our engineers are encouraged to take initiative and produce high-leverage results—whether by automating processes to eliminate toil, enhancing our observability stack, or bolstering the resilience of our services. You will collaborate closely with product engineers and customers to ensure we remain proactive. If you excel in environments where accountability is paramount, excellence is expected, and reliability is essential, this is the ideal place for you. What You’ll Do Collaborate with product teams to improve the observability, reliability, and performance of their services. Manage our CI/CD pipelines, observability tools, monitoring systems, and incident response processes.

About the Team The Production Scheduling Technology team is at the forefront of automating and optimizing how HelloFresh orchestrates its meal production processes. We have successfully launched a next-generation internal system that automates the entire planning workflow, significantly impacting how millions of meals are distributed throughout our network. As we enhance this system and prepare for future growth, we are seeking a Senior Backend Engineer with robust backend expertise, a knack for transforming intricate logic into effective and dependable systems, and a moderate understanding of full-stack development to support our internal applications. We prioritize candidates who can contribute to our mission at HelloFresh. We value diverse experiences and believe that anyone can excel in this role, so we encourage you to apply even if you don't meet every single requirement. Responsibilities Develop, enhance, and share ownership of a Python-based algorithmic engine that fuels automated planning, incorporating deterministic logic and constraint-based components. Create, develop, and sustain backend services utilizing FastAPI, ensuring scalable and reliable API interactions with our internal applications. Engage in the complete technology lifecycle, including architecture, implementation, deployment, and operations within our advanced tech stack (EKS, RDS, S3, ElastiCache, Glue, etc.). Collaborate with engineers, analysts, and planners to translate domain insights into robust and maintainable system logic. Advance the platform towards an event-driven architecture using technologies such as Kafka. Assist with frontend requirements for our internal React application, ensuring seamless integration between frontend and backend systems. Enhance system reliability through automated testing, performance optimization, and thoughtful design principles. Foster a culture of knowledge sharing and collective ownership through pairing, design discussions, and collaborative learning. Contribute to the strategic direction of an innovative system. Qualifications Proven experience in backend development, particularly with Python and FastAPI. Strong understanding of API design and microservices architecture. Experience with event-driven systems and related technologies (e.g., Kafka). Familiarity with cloud services and infrastructure (AWS, EKS, RDS). Ability to work collaboratively in a team-oriented environment. Excellent problem-solving skills and attention to detail. A proactive attitude towards learning and sharing knowledge.

Join Rootly as Head of Platform EngineeringAt Rootly, we are dedicated to revolutionizing how organizations handle incidents, ensuring reliability and swift resolution in times of crisis. With our cutting-edge incident management platform, we empower companies globally to tackle incidents with speed and efficiency. We're not just transforming an industry; we are defining a new segment worth billions, and we need exceptional talent to help us achieve this ambitious vision.Rootly is trusted by some of the fastest-growing companies worldwide, including NVIDIA, Figma, Canva, Tripadvisor, and Squarespace, who utilize our robust platform to enhance their incident management processes. Our unique partnership model and enterprise-ready solution have earned us a stellar 5-star rating on G2.Our investors appreciate Rootly as well; we are backed by prestigious funds including Y Combinator, as well as leading industry operators such as the CTO of Dropbox and GitHub. Transparency is key to our culture; we conduct monthly financial reviews to keep our team informed about the company’s health and share our progress through our weekly changelog.Your RoleThis is a unique opportunity to be the inaugural leader of Platform Engineering at Rootly, where you will lay the groundwork that supports incident response and on-call management for the world's most innovative engineering teams.As the Head of Platform, you will be responsible for two key outcomes:Infrastructure Reliability and Scale: Develop a robust, redundant, scalable, operationally mature, and cost-effective infrastructure platform that supports our next phase of growth.Developer Experience and Velocity: Design a world-class developer experience enabling product engineers to operate quickly, safely, and confidently, shaping how Rootly builds, tests, deploys, and manages its operations.This position transcends traditional operations roles; it is a high-impact engineering leadership role that requires deep technical expertise, systems thinking, aesthetic sensibility, and the ability to inspire teams to elevate their performance. You will establish the strategy, build your team, and own the roadmap, setting the stage for our future success.

At Shakepay, we are dedicated to leading the charge into the bitcoin golden age. Our goal is to transform financial services to ensure that every Canadian receives their fair shake.Our vibrant culture thrives on meaningful work, collaborative success, and celebrating achievements. If you are passionate about personal growth, rapid execution, and sharing innovative ideas with a team of like-minded individuals, we invite you to join us in building something remarkable!About ShakepaySince our inception in 2015, we have developed the Shakepay app to facilitate fast, easy, and secure bitcoin transactions. In 2022, we introduced the Shakepay Card, enabling users to earn bitcoin rewards while shopping. Currently, over 1.5 million Canadians trust Shakepay to enhance their bitcoin savings and gain control over their financial future.We operate under regulations across all Canadian provinces and territories and are supported by prominent venture capitalists with funding totaling $44 million. Our community is passionate, loyal, and continuously expanding, and we are seeking individuals eager to contribute to a truly exceptional venture.About the Platform TeamThe Platform team empowers engineering teams at Shakepay by equipping them with the essential tools, infrastructure, and best practices needed for autonomy, productivity, and reliability. As the Platform Engineering Manager, your role will involve ensuring a harmonious balance between rapid delivery and operational excellence.About the RoleWe are in search of an Engineering Manager to lead and develop a team of platform engineers with a focus on Infrastructure, DevOps, and developer experience.This position entails people leadership, providing technical guidance, and overseeing delivery on platform initiatives that influence every engineering team within Shakepay. You will collaborate closely with engineers, engineering leaders, security, and compliance teams, leading by example and remaining hands-on where necessary to drive technical decisions, facilitate delivery, and ensure our platform evolves alongside both developer and business requirements.While you don’t need to be an expert in every area, possessing sufficient technical strength to set direction, question assumptions, and make informed trade-offs across DevOps, infrastructure, and reliability is crucial.What You’ll Be DoingLead, mentor, and expand a team of platform engineers across Infrastructure, DevOps, and Developer Experience.Establish technical direction for platform architecture and guarantee the execution of the roadmap.Balance immediate delivery with long-term investments in tooling, infrastructure, and reliability.Oversee cloud infrastructure, deployment pipelines, and operational tools within a regulated environment....

At Movable Ink, we specialize in taking content personalization to the next level for marketers, utilizing data-driven content generation and AI decisioning. Our innovative solutions are trusted by some of the world's leading brands to enhance revenue, streamline workflows, and increase marketing agility. With our headquarters in New York City and a talented team of nearly 600 professionals, we proudly serve clients across North America, Central America, Europe, Australia, and Japan.As a member of our Analytics team, you will play a pivotal role in measurement, attribution, and the development of an intuitive reporting interface for our digital marketing platform. This is a rare opportunity to influence how marketers perceive and engage with data—turning raw metrics into actionable insights that drive impactful campaigns and deliver tangible business outcomes. Join us to make a significant contribution to a rapidly growing team, take command of innovative projects, and collaborate with cross-functional partners to create a product that marketing teams depend on daily.

NimbleRx is a pioneering healthtech company dedicated to transforming the way individuals access, understand, and manage their healthcare. Our journey begins with the ambition to create the world's most beloved pharmacy business. As a rapidly expanding, tech-centric startup, we are committed to enhancing the experiences of both patients and pharmacists. At Nimble, we cultivate a collaborative culture that encourages open communication and purposeful action, empowering us to tackle today's most exciting challenges and achieve rapid growth.* Please note: Sponsorship options are limited as Nimble does not have an entity established in Canada.As a Senior Backend Engineer, you will play a crucial role in designing the technology and customer experiences that are essential to our various web products serving patients, pharmacies, and other clients of NimbleRx (www.nimblerx.com). You will collaborate with a team of exceptional and driven software engineers who prioritize performance, reliability, and scalability in their work. Your contributions will involve close cooperation with other developers, product management, and design teams to define feature requirements and technical use cases, ensuring timely delivery of high-quality code.Our engineering culture: We embrace a philosophy of shared trust and humility, fostering a sense of unity as we collaboratively navigate the challenges of a fast-growing business. Our daily operations reflect our core values of empathy, simplicity, autonomy, leadership, ownership, curiosity, a bias for action, and mentorship, all within a highly cooperative environment.

About FeatheryFeathery revolutionizes data intake workflows for insurance and wealth management firms. Industry leaders depend on Feathery to streamline crucial operations such as underwriting, client onboarding, and automated account openings.With significant revenue growth and increasing demand from enterprises, we are expanding our engineering team to handle progressively intricate, data-driven workflows across our platform.Why We’re HiringAs Feathery continues to grow, so does the complexity and scale of the systems that support our product—ranging from document processing pipelines to real-time workflow execution.We are seeking a Senior Backend Engineer to assist in constructing and scaling the foundational infrastructure behind our document intelligence and workflow platform. This role is perfect for someone who enjoys designing reliable, high-performance systems and taking charge of backend architecture in a rapidly growing B2B SaaS environment.You will collaborate closely with product, engineering, and customer-facing teams to deliver systems that are swift, resilient, and finely tuned to customer requirements.About the RoleThis is a high-ownership role that encompasses:Backend system design and distributed architectureInfrastructure, scalability, and performance optimizationProduct-focused engineering and problem-solvingCross-functional collaboration across product and customer teamsYou will play a pivotal role in shaping the systems that drive Feathery’s platform—ensuring they are reliable, scalable, and capable of managing complex, real-world applications.What You’ll DoBackend Systems & InfrastructureDesign, build, and scale backend services that facilitate document processing and workflow automationDevelop asynchronous pipelines and distributed systems for managing large data volumesConstruct and maintain infrastructure utilizing AWS services and queuing systems (e.g., SQS)Guarantee high availability, fault tolerance, and observability across systemsOptimize systems for performance, scalability, and cost-efficiencyData Processing & Platform CapabilitiesEstablish systems for processing and transforming both structured and unstructured dataIntegrate data sources and ensure seamless data flow

About OLIXAt OLIX, we are at the forefront of a technological revolution, tackling the rapid growth of AI and the critical infrastructure challenges it presents. As demand skyrockets, we are ushering in a new era with our Optical Tensor Processing Unit (OTPU), designed to outperform traditional chips in both speed and energy efficiency.The Role:As the Engineering Manager for the Backend Compiler, you will spearhead a dynamic team of six engineers dedicated to developing and enhancing the OTPU compiler backend. Your role will involve close collaboration with frontend compiler, architecture, and ASIC teams, ensuring seamless integration for optimal hardware-software performance and production quality.We seek a visionary leader with a proven track record in engineering management who can cultivate a high-performing team and drive impactful results aligned with business objectives. Your technical expertise and leadership will be crucial in fostering a culture of collaboration and decisive execution.

Join Justworks as a Senior Backend Software Engineer and play a pivotal role in shaping our technology landscape. You will work on high-impact projects, designing and implementing scalable backend systems that support our mission of simplifying business operations for our clients. Your expertise in backend technologies will be critical in delivering exceptional digital experiences.

Okta is looking for a Senior Software Engineer to join the End User Protection team in Toronto, Ontario. This group strengthens security for Auth0, Okta’s widely used authentication and authorization platform. Auth0 handles more than 100 million logins each day, supporting organizations that need both ease of use and strong safeguards for their users. Focus of the End User Protection Team This team develops and enhances Attack Protection features within Auth0. Their work targets threats such as credential stuffing and password spraying, which can compromise accounts and expose sensitive data. By monitoring login activity, the team identifies and blocks malicious behavior, always aiming to protect users while keeping the login process smooth and simple. Collaboration is key here. Engineers work closely with Machine Learning and AI experts to design and deploy detection models that adapt to new cyber threats. The shared goal is a secure, seamless login experience for everyone who relies on Auth0. What Motivates This Work Identity sits at the heart of Okta’s mission. The company builds trusted, neutral infrastructure to protect both human and AI identities, enabling organizations to adopt new technology with confidence. The problems tackled in this role are complex and have direct, real-world impact, requiring initiative, speed, and precision.