Senior Software Engineer, Developer Platform

Join Our Team as a Senior Platform Engineer (Python)About Us: As a leading B2B SaaS company focused on retail analytics, we empower brands and marketing teams to optimize their media campaigns and understand retail data without needing to write code. Our clients, including major players like Home Depot, rely on us for actionable insights that enhance their customer engagement and ROI.Work Environment: This role offers a hybrid work arrangement, with 95% remote work and monthly in-person meetings to foster collaboration among our Toronto-based team.Who We're Looking For: We are seeking a dynamic Senior Platform Engineer to contribute significantly to our Platform team, focusing primarily on back-end development with some responsibilities in infrastructure and DevOps.Key Responsibilities:API Development: Enhance platform scalability and data performance through innovative API designs.Integration Projects: Collaborate with industry giants like Meta, TikTok, and Snapchat on complex ad tech integrations.Task Management Optimization: Take charge of our async task management using Celery, focusing on improving concurrency and managing resource-intensive jobs.Why Work With Us?Our team thrives on collaboration, embracing complex challenges while exploring new technologies. We are committed to building long-term solutions, maintaining profitability, and ensuring quality in everything we do.

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.

About UsAt Marble, we are at the forefront of revolutionizing tax preparation through our AI-powered platform. Our mission is to alleviate the complexities of tax season for mid-to-large accounting firms with intelligent tools that enhance their workflows. As a rapidly growing company, we pride ourselves on our collaborative culture and unwavering commitment to solving significant challenges for our clients.About the RoleWe are looking for a passionate and experienced Senior Software Engineer to play a pivotal role in shaping our AI-first tax platform. This role offers an incredible opportunity for individuals who desire ownership over architectural design, technical strategy, and key product decisions. You will collaborate on both user-facing applications and backend services to create a seamless, intelligent, and user-friendly tax preparation experience.If you thrive in fast-paced environments and are eager to utilize AI technologies to tackle real-world challenges, we would love to hear from you.What You’ll DoBe at the forefront of developing the future of our AI-driven tax preparation platform.Lead the design and implementation of critical components of our product architecture.Build and enhance user experiences across our full technology stack.Navigate the entire product lifecycle with confidence and expertise.Mentor fellow engineers and elevate our team's execution by fostering best practices.What We’re Looking ForExtensive experience in building and scaling production web applications.A strong sense of ownership and conviction in creating exceptional products.A focus on addressing customer needs and delivering maximum value.Bonus PointsExperience with AI products and tools.Familiarity with ETL pipelines or managing data at scale.Background in fast-paced startups with a focus on product-led growth.Experience in the tax, accounting, or fintech sectors.Tech StackFrontend: React, Remix (React-Router)Backend: TypeScript, Node.js (Fastify), PostgreSQL

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 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.

Join Movable Ink as a Senior Engineer on our Data Platform team, where you will be instrumental in architecting and developing the systems that facilitate data flow across our organization. In this pivotal role, you will contribute to the creation and maintenance of a unified data platform that is responsible for ingesting, processing, and serving substantial volumes of data that underpin our innovative products. Collaborating with cross-functional teams in engineering, analytics, and infrastructure, you will design scalable data ingestion pipelines and backend services that seamlessly integrate data from diverse sources while ensuring reliability, governance, and high availability. Your expertise will guide the modernization of legacy data pipelines towards contemporary architectures, enhancing the cohesion of our products and services in their data access. Your contributions will significantly influence the evolution and enhancement of Movable Ink’s offerings.Key Responsibilities:Contribute to the design and implementation of robust data ingestion pipelines and infrastructure.Facilitate the migration of legacy data management processes to a new platform, ensuring minimal disruption for current data consumers.Establish and monitor SLIs and SLOs for the new data platform, utilizing dashboards and alert alerts to ensure optimal performance.Create a versatile data storage layer that accommodates various use cases, including transactional, analytical, and machine learning workloads.Develop comprehensive monitoring and incident response protocols for all data pipelines and services.Partner with product engineering, analytics, and machine learning teams to define data access strategies.

Are you ready to take your analytical skills to the next level? Join StackAdapt as a Senior Analyst, Solutions and play a pivotal role in shaping data-driven strategies that empower our clients. In this dynamic position, you will analyze complex datasets, derive actionable insights, and collaborate with cross-functional teams to drive innovative solutions.

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.

Take-Two Interactive Software, Inc. is looking for a Data Engineer with hands-on experience in Python and Spark. This position is based in Toronto, Ontario, and centers on building and improving data pipelines that support business analytics and decision-making. Key responsibilities Design and develop scalable data pipelines using Python and Spark Optimize data workflows to improve efficiency and reliability Work closely with teams across the company to transform raw data into actionable insights Contribute to data-driven projects and help support informed decision-making across the organization Location This role is based in Toronto, Ontario, Canada.

Join Affinity as a Senior AI Engineer on our AI Platform team, where you will leverage your expertise in artificial intelligence to drive innovative solutions. In this role, you will collaborate with cross-functional teams to design, develop, and implement AI models that enhance our product offerings. You will work in a fast-paced environment, utilizing cutting-edge technologies to solve complex challenges and improve user experiences.

Pinterest, Inc. is seeking a Senior Software Engineer to join the Web Platform team in Toronto, ON. This role centers on designing, developing, and maintaining web applications that serve millions of users around the globe. Role overview The Senior Software Engineer will work closely with cross-functional teams to deliver new features and enhance the online experience for Pinterest users. Collaboration with colleagues from various disciplines is a key part of this position, helping to ensure that new ideas are implemented smoothly and effectively. What you will do Design and build scalable web applications for a large user base Maintain and improve existing web features Collaborate with engineers, designers, and product teams to shape new user experiences Location This position is based in Toronto, Ontario.

Welcome to OktaAt Okta, we are redefining identity management. We empower individuals to securely access any technology, from any device or application, fostering a transformative approach to business security and growth. Our innovative solutions, including the Okta Platform and Auth0 Platform, prioritize identity at the heart of operational success.We value diverse perspectives and experiences, seeking lifelong learners who contribute to our dynamic culture.Join us as we shape a future where identity is truly in your hands.Are you driven to tackle complex data challenges and make a significant impact? Do you want to collaborate with a passionate team of cloud engineers and architects? If yes, we want to hear from you!The Auth0 platform manages over 100 million logins daily for clients worldwide and is rapidly expanding. As part of the Data Platform team, you will be instrumental in developing and managing essential data services that enable scalability, reliability, efficiency, and operational excellence. In your role as Senior Manager, you will collaborate with engineers across departments, guide the platform roadmap, and establish the foundational infrastructure for Auth0's future growth.As a leader, your passion for developing high-performing teams and your ability to coordinate across organizations will make you an ideal fit for this position!Your Responsibilities Include:Leading a diverse, agile software development team focused on delivering value with expertise in distributed systems, cloud infrastructure, and site reliability engineering.Fostering a culture of discovery, learning, and experimentation within a geographically distributed team through continuous coaching and mentoring.Collaborating closely with architects and engineers to design scalable, robust, and extensible services using modern technologies such as Go, Node.js, Kubernetes, Docker, AWS, and Azure.Building and managing data streaming teams utilizing event-driven architecture and Kafka.Partnering with product management and engineering leadership to define a platform roadmap that supports the next generation of identity products, overseeing planning, execution, and delivery of data platform services.Implementing process improvements to drive operational excellence and efficiency during a period of significant growth.

About the Role Movable Ink is hiring a Senior Platform Engineer with a focus on Machine Learning for its Toronto office. This role centers on building and improving machine learning features within our marketing technology platform. What You Will Do Work closely with colleagues from different teams to design and implement machine learning solutions that strengthen the platform. Develop and maintain systems that help clients deliver personalized experiences to their audiences at scale. Apply engineering expertise to create reliable, maintainable, and scalable ML infrastructure. Location This position is based in Toronto at Movable Ink.

Rivian and Volkswagen Group Technologies have joined forces to advance the future of electric vehicles. This partnership brings together deep expertise in automotive engineering, software, and cloud connectivity. The focus is on building technology that sets new standards for software-defined vehicles worldwide, with an emphasis on AI, connectivity, and security. Role overview The Senior Software Engineer - AI Platform will lead architectural design and strategic development for the GenAI platform. This position centers on integrating large language models (LLMs) into both internal and customer-facing applications at scale. The aim is to drive cognitive automation, streamline workflows, and support better decision-making across the organization. What you will do Design and develop AI-driven applications using large language models. Integrate LLMs into production systems for both internal teams and external customers. Establish best practices for building distributed systems that are resilient, scalable, and observable. Deliver production-grade tools that are reliable and maintainable. Location This role is based in Toronto, Ontario.

At XYZ Storage, we redefine the storage experience. With a legacy spanning 28 years, we've crafted a unique and iconic brand that resonates with our customers, offering them peace of mind during what can often be a stressful time. Our mission is to simplify moving and storage, making it accessible and secure for everyone.We are excited to invite a talented Senior Full Stack Engineer to join our dynamic team. This role will allow you to contribute to impactful systems that support a rapidly expanding platform, serving tens of thousands of customers.Compensation:$120,000 - $150,000 annuallyExtra Perks:Comprehensive Benefits ProgramFunding for Educational CoursesGenerous Paid Personal DaysAnnual Performance BonusMilestone Recognition AwardsRRSP Program with Matching ContributionsMentoring and Career Development OpportunitiesPaid Training ProgramsSpecial Birthday RecognitionOur team at XYZ Storage is comprised of passionate professionals dedicated to providing seamless storage solutions while supporting our customers through critical life transitions. We cultivate a collaborative and innovative atmosphere, encouraging team members to grow, tackle challenges, and share valuable insights. Together, we are committed to: Delivering an unparalleled storage experience for our customers.As a Senior Full Stack Engineer, you will be instrumental in developing and maintaining the systems that drive our digital platform and enhance the customer experience.About You:You are a seasoned engineer who thrives on solving intricate technical problems and building scalable, reliable systems. Your pride in writing clean, production-ready code is matched only by your commitment to maintaining systems that support vital business operations.You excel in backend services, APIs, and infrastructure, and enjoy collaborating with both technical and non-technical teams to transform innovative ideas into actionable solutions.

Join Waabi, an innovative leader in Physical AI, founded by AI pioneer Raquel Urtasun. We are pioneering the future of autonomous transportation, developing cutting-edge technology for commercial autonomous trucks and robotaxis. Our esteemed team collaborates with top-tier partners across AI, automotive, logistics, and deep technology sectors.With offices located in Toronto, San Francisco, Dallas, and Pittsburgh, Waabi is rapidly expanding and is in search of diverse, innovative, and collaborative individuals eager to make a positive impact on the world. For more information, please visit: www.waabi.aiAt the heart of Waabi’s mission is our groundbreaking simulation technology. Our state-of-the-art closed-loop simulation engine, Waabi World, employs the latest generative AI technologies to create a highly realistic environment for training and evaluating self-driving systems. The Simulation Platform team is tasked with delivering a modular, scalable platform that seamlessly integrates the onboard autonomy system, intelligent actor models, and sensor simulation.Key Responsibilities:- Enhance and contribute to Waabi World, our advanced self-driving simulator, to expedite the development of autonomous vehicles.- Optimize the scalability and performance of the simulation platform to facilitate efficient simulations at a massive scale.- Design and develop orchestration software that interconnects simulation subcomponents, including the autonomy system, data-driven actor models, and sensor simulations powered by generative AI.- Engage in technical and architectural discussions, collaborating with researchers and engineers to share insights and innovative ideas.- Collaborate closely with internal users to grasp their needs and workflows, proposing new features to enhance their experience with the simulator.- Promote best practices and set standards for software development.- Lead complex cross-functional technical projects that have a significant impact across Waabi's systems and the organization as a whole.

A Few Notes:Thriving B2B SaaS organization with teams operating across North America.This position offers a predominantly remote work arrangement based in Toronto, with monthly team meetings.Candidates must possess legal authorization to work in Canada; visa sponsorship is not an option.We are expanding our Engineering team and seeking a Full Stack Developer skilled in Python and React to join our applications team.We welcome applicants with experience levels ranging from Upper Intermediate to Staff Engineer.This role encompasses full-stack responsibilities, but we are open to candidates who have a stronger focus on back-end development.About Us:We are recognized as a leading retail analytics platform, empowering marketing teams and brands to gain insights from their retail data and execute targeted media campaigns without needing coding skills. Our mission is to enhance our clients' understanding of their customers while maximizing the return on their marketing investments. Notably, one of our significant clients is Home Depot.Our Technology Stack: Python, Django, React, Typescript, Azure.How We Work:We foster a collaborative environment with an array of exciting and complex projects.We support the exploration of new technologies, reflecting our identity as a modern tech company.Our focus is on sustainable development; we are already profitable and prioritize quality.With a remote work setup, we convene once a month in Toronto and hold biannual company retreats.About You:We are on the lookout for a remarkable Senior/Staff/Lead Full Stack Engineer eager to make a significant impact on our applications team.Key Responsibilities:Full Stack Development: Manage end-to-end client feature development, from initial design to final delivery.Integration Projects: Collaborate with industry leaders like Meta, TikTok, and Snapchat within the ad tech domain.User Interface Enhancements: Optimize the UI experience for our enterprise clients.Qualifications:Over 6 years of full-stack development experience in creating enterprise-level B2B/B2C SaaS applications.

About OktaOkta is recognized globally as the leader in identity management, empowering users to securely access any technology, anywhere, on any device or application. Our versatile offerings, including the Okta and Auth0 platforms, prioritize security through robust authentication, access control, and automation, placing identity at the forefront of modern business security and growth.At Okta, we value diverse perspectives and experiences. We are not merely seeking a candidate who fulfills every requirement; instead, we welcome lifelong learners who can enhance our team with their unique insights.Join us in creating a world where identity is truly in the hands of the user.The Auth0 platform is a critical part of our infrastructure, facilitating over 100 million logins daily for clients worldwide, and our growth trajectory is steep! The Control Plane team within Auth0 empowers our engineers by providing tools that expedite the deployment and management of services on AWS and Azure. This role is pivotal; your contributions will establish the foundation that enables Auth0 to scale effectively for years to come.We seek a Senior Engineer passionate about crafting robust orchestration systems, idempotent APIs, and high-quality developer tools. This position involves developing the 'brain' of the platform, which encompasses everything from environment provisioning to emergency rollbacks. The ideal candidate will obsess over system state consistency and strive to create a seamless, self-service experience for fellow engineers.

About Rootly At Rootly, we are dedicated to revolutionizing how organizations manage incidents. Our mission is to provide a reliable incident management platform that empowers companies to respond swiftly and effectively when challenges arise. Our innovative approach has established us as leaders in a new multi-billion dollar segment, and we are seeking exceptional talent to help us achieve our ambitious goals. Our customers, including industry giants like NVIDIA, Figma, Canva, and Tripadvisor, trust Rootly for their critical incident management needs. They appreciate our user-friendly platform and unique partnership approach, which has garnered us a stellar 5-star rating on G2. Join us in creating a reliable future for organizations worldwide. Backed by prestigious investors from Y Combinator to key operators in tech, we prioritize transparency and team involvement in our financial health. We conduct monthly business reviews and share updates through our weekly changelog. About the Role As a Senior Site Reliability Engineer at Rootly, you will play a crucial role in shaping our technical infrastructure. You will thrive in a dynamic environment where each day presents new challenges and opportunities for growth. This position is perfect for individuals who seek ownership, enjoy tackling complex technical problems, and are driven by a mission to enhance reliability. While the work will be demanding, it promises to be one of the most rewarding experiences in your career. Collaborate with product teams to enhance the observability, reliability, and performance of services. Take ownership of our CI/CD pipelines, observability tools, monitoring systems, and incident response processes. Develop tools and automation to reduce manual toil, enhance engineering velocity, and improve developer experience and system reliability. Engage deeply with engineering teams to gain insights into system performance and identify cross-functional reliability and scaling concerns. Design and scale our infrastructure while ensuring top-notch performance and operational excellence.