Senior Software Engineer - Web Platform

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.

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 HappyCo, a dynamic company that fosters career growth in a collaborative and ego-free environment. We pride ourselves on our values-driven approach and offer a flexible, supportive culture. Become a part of our mission to Make Work Happy! The RoleWe are seeking a Senior Platform Engineer to enhance our foundational systems that drive our products and integrations. This role is critical to improving the reliability, performance, and scalability of our platform while expediting the delivery of essential initiatives outlined in our roadmap.The successful candidate will contribute to three major strategic initiatives:1. Expanding our Property Graph to unveil new product capabilities.2. Ensuring integration reliability and customer visibility to bolster mid-market adoption and retention.3. Enabling plugins and APIs to accelerate ecosystem growth.As a hands-on senior individual contributor, you will take ownership of the delivery across various platform components including integrations, APIs, and extensibility surfaces. Strong technical acumen, collaborative skills, and a focus on measurable outcomes are essential for this role.Your Day-to-Day ResponsibilitiesPlatform Architecture & Development:Design, implement, and maintain scalable services and APIs for the platform. Lead the development of critical platform capabilities such as the Property Graph and integration surfaces. Assess architectural trade-offs to ensure reliability, scalability, and extensibility.Integration & Ecosystem Enablement:Enhance APIs and plugin frameworks for partner integrations. Ensure reliable operation of integrations across customer environments. Improve visibility and monitoring of integration workflows.Reliability, Observability & Performance:Enhance platform reliability and application performance. Utilize production telemetry and monitoring data for diagnosing and resolving performance issues. Minimize operational overhead while boosting system resilience.Cross-Team Collaboration:Work closely with Product Engineering leads and stakeholders to deliver platform capabilities. Support collaborative efforts for growth and retention initiatives. Engage with product leadership and engineering teams.Production Ownership:Participate in incident response and root-cause analysis. Implement preventative enhancements based on operational insights. Ensure safe rollouts and positive production outcomes.

About Stay22At Stay22, we are transforming the way users convert online. Our AI-powered affiliate platform enables publishers, ticketing platforms, and content creators to unlock new revenue streams while enhancing the user experience for their audiences. With Stay22, our partners not only earn more but also provide greater value. Join us in making a significant impact in the affiliate marketing landscape.About the RoleAs a Senior Platform Engineer at Stay22, you will be instrumental in designing, enhancing, and evolving our robust, scalable, and highly reliable infrastructure. The Platform team plays a crucial role in building and maintaining the technical foundations that allow our product teams to innovate swiftly and confidently.In this role, you will collaborate closely with engineering teams to enhance the performance, reliability, and scalability of our systems while streamlining deployments and improving the developer experience.Main ResponsibilitiesDesign, build, and maintain our cloud infrastructure and distributed systems.Approach platform development with a product-centric methodology, treating it as an essential internal product.Enhance CI/CD pipelines to ensure rapid, reliable, and secure deployments.Implement and maintain observability tools, including monitoring, logging, and alerting.Collaborate with product teams to improve performance and resilience of services.Optimize the management of environments, configurations, and secrets.Ensure security, reliability, and scalability of the platform.Participate in process automation and enhance the developer experience.Mentor developers and promote best engineering practices.

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.

About Cozey Engineering Cozey builds and maintains the core technology that supports a modern e-commerce experience. The engineering team develops in-house systems that drive every step of the process, from placing an order to final delivery. This includes operational infrastructure, warehouse management, backend services for the website, and logistics tools, all designed for speed, accuracy, and a strong customer focus. Role Overview: Senior Software Engineer, Platform This senior engineering role focuses on building and improving the foundational systems behind Cozey’s COS (Cozey Operating System). Reporting to a Staff Engineer, the position offers the chance to shape the backbone of Cozey’s technology stack and support the company’s growing e-commerce platform. Location Remote within Canada.

Role overview Employer Direct Healthcare seeks a Senior Cloud Platform Engineer based in Vancouver, British Columbia. This position centers on building and refining cloud infrastructure that underpins the company’s healthcare services. The engineer will design, implement, and optimize cloud systems, working closely with colleagues across departments. Reliable and efficient cloud platforms are essential to the company’s mission, and this role plays a direct part in supporting the delivery and quality of care. Key responsibilities Design and implement cloud infrastructure solutions Optimize existing cloud systems for reliability and efficiency Collaborate with teams across the organization to maintain and improve cloud platforms Impact Work in this role directly affects the company’s ability to deliver high-quality healthcare services. The Senior Cloud Platform Engineer helps ensure that technology supports both care teams and patients effectively.

About FaireFaire is a revolutionary online wholesale marketplace that champions the belief that local businesses are the backbone of communities. Independent retailers worldwide generate more revenue than giants like Walmart and Amazon combined, yet they often struggle to compete. At Faire, we're harnessing the power of technology, data, and machine learning to empower this vibrant community of entrepreneurs. Imagine your favorite local boutique — we help them source exceptional products from around the globe, ensuring they thrive in the retail landscape. With our innovative tools and insights, we are committed to leveling the playing field and enabling small businesses to successfully compete against large corporations.By nurturing the growth of independent enterprises, Faire is making a positive impact on local economies globally. We invite talented, driven, and passionate individuals to join us in furthering the shop local movement. If you believe in the power of community, we would love for you to become part of ours.About this role:At Faire, our Retailer Growth unit is dedicated to overseeing essential growth strategies, from initial engagement to onboarding and empowering retailers to succeed on our platform.As our Growth organization expands, the intricacy of experimentation, segmentation, targeting, personalization, and lifecycle orchestration grows significantly. To meet this challenge, we are enhancing our platform capabilities to enable multiple product teams to innovate rapidly while conducting high-quality experiments securely at scale.We are in search of a Senior Growth Platform Engineer to architect and construct the foundational systems that drive growth at Faire. We are seeking an individual who excels in envisioning reusable capabilities, scalable architecture, and sustainable leverage. This position emphasizes backend systems that facilitate experimentation, targeting, incentives, lifecycle triggers, and growth automation throughout the retailer journey.What you’ll do:Design and develop scalable backend systems to fuel experimentation, segmentation, and targeting.Create growth infrastructure that empowers product teams to deploy experiments safely and autonomously.Develop APIs and services that bolster personalization, incentives, lifecycle triggers, and growth workflows.Collaborate with Data Science and Analytics to ensure precise experiment assignments, event tracking, and metric integrity.Enhance experimentation processes and maintain rigorous standards for growth initiatives.

Join MaintainX, the premier Asset and Work Intelligence platform tailored for industrial and frontline environments. Our innovative cloud-based tool, powered by IoT technology, enhances reliability, safety, and operational efficiency for physical equipment and facilities. Serving over 13,000 clients, including industry giants like Duracell, Univar Solutions Inc., Titan America, McDonald's, Brenntag, Cintas, Xylem, and Shell, we are at the forefront of operational excellence. Following our successful $150 million Series D funding round, which valued us at $2.5 billion, we are seeking a talented Senior AI Platform Engineer. In this role, you will develop the foundational systems that empower our teams to deliver AI-powered products with reliability and scale. Your responsibilities will include designing and managing internal services that standardize AI workloads in production, ensuring clear abstractions, safe defaults, and robust observability. This position emphasizes platform leverage, aiming to reduce both operational and cognitive burdens for engineers while enhancing reliability, performance, and delivery speed across our AI stack.

Why Join Us?At Brex, we are pioneering an AI-driven spend management platform that empowers organizations to spend wisely through integrated corporate cards, banking services, and global payment solutions. Our innovative software simplifies travel and expense management, making it easy for businesses of all sizes—from startups to large enterprises such as DoorDash, Flexport, and Compass—to take charge of their expenditures, minimize costs, and enhance operational efficiency on a global scale.Joining Brex means challenging yourself, redefining the norms, and collaborating with some of the industry’s brightest talents. We are dedicated to cultivating a diverse and inclusive workforce, and we believe your ambitions should only be limited by your imagination. Our commitment is to equip you with the necessary tools, resources, and support for your professional development.Engineering at BrexOur engineering teams at Brex are focused on creating systems that scale effectively and purposefully. We encompass Software, Data, Security, and IT, fostering an atmosphere of high autonomy and collaborative synergy. We tackle complex technical challenges, own our results, and strive for excellence from architecture to deployment. Here, engineering is regarded as a craft, and builders have the opportunity to emerge as leaders.Where You’ll WorkThis position is based in our Vancouver office. We embrace a hybrid work model that combines the vibrancy and connectivity of office life with the benefits of remote work. Currently, we require team members to be in the office at least three coordinated days each week—specifically Monday, Wednesday, and Thursday.Additionally, we offer up to four weeks of fully remote work each year!Your RoleAs a member of our Product Data Platform (PDP) team, you will help build and manage the high-performance data infrastructure that underpins critical product experiences at Brex. The mission of PDP is to render Brex customizable, scalable, and reliable for finance teams, necessitating deeply optimized backend systems ready for production.In your role as a Senior Software Engineer, you will engage with data-intensive, distributed systems at scale. You will spearhead architectural and performance enhancements across the platform, striving to improve latency, accuracy, and scalability across various product surfaces. The PDP team also develops AI-driven data products, including an interactive reporting tool that enables customers to engage dynamically with their financial data. Your contributions will ensure these systems are fast, reliable, and built for scalability.

Who We AreSamsara (NYSE: IOT) is at the forefront of the Connected Operations™ Cloud, empowering organizations reliant on physical operations to leverage Internet of Things (IoT) data for actionable insights and operational enhancement. Our mission is to enhance the safety, efficiency, and sustainability of the physical operations that drive our global economy. With over 40% of global GDP represented in sectors such as agriculture, construction, field services, transportation, and manufacturing, we are excited to lead their digital transformation at scale.Joining Samsara means being part of a team that is defining the future of physical operations. You will contribute to an exciting range of product solutions, including Video-Based Safety, Vehicle Telematics, Driver Workflows, and Equipment Monitoring. As a recently public company, you will have the autonomy and support to create lasting impacts as we build for the long term.About the Role:Samsara is seeking a Senior Mobile Engineer to join our Mobile Platform Team. This team is responsible for creating the foundational frameworks and architectures that empower over 20 engineering teams to efficiently develop our Driver and Fleet applications, serving millions of daily users. You will play a crucial role in building the scalable mobile platform infrastructure that underpins our high-availability applications, directly influencing the development velocity and technical capacities of our mobile engineering organization.This is a remote position available to candidates located in Canada.

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.

About FaireFaire is a dynamic online wholesale marketplace driven by the conviction that the future is local. Independent retailers across the globe are generating more revenue than Walmart and Amazon combined. However, individually, they appear small next to these retail giants. At Faire, we harness the power of technology, data, and machine learning to bridge the gap for this vibrant community of entrepreneurs worldwide. Imagine your beloved local boutique — we assist them in discovering the finest products from around the globe to stock in their stores. With the right tools and insights, we empower small businesses to compete with large-scale retailers and e-commerce platforms.By fostering the growth of independent businesses, Faire is making a positive economic impact in communities everywhere. We are in search of intelligent, resourceful, and passionate individuals to join us in driving the shop-local movement. If you value community, we invite you to become part of ours.About this Role:Our Engineering organization is responsible for the software that powers our marketplace. The Platform group supports various teams at Faire, including Product Engineering, Data Science, Product Management, Strategy, Analytics, and Finance, enabling them to excel without the worry of underlying infrastructure. We empower product engineering teams to develop and operate software with unmatched speed and quality, emphasizing good engineering practices, superior developer experience, security, testability, maintainability, and scalability to support millions of users. We are committed to best practices that ensure exceptional availability and performance.The Analytics Platform team is tasked with building capabilities that enhance data-driven analytics, boosting productivity and accuracy at Faire. Our goal is to minimize the time from data collection to actionable insights.The team concentrates on the following areas and capabilities:Optimization of data warehousing, including performance, efficiency, and costEstablishment of data quality, metadata enrichment, lineage, and privacy capabilitiesDevelopment of tools and capabilities to enhance the productivity of analytics experts and automate analytics functionsCreation of development patterns and practices for foundational assetsIncorporation of data security, privacy, and governance elementsAdditionally, the team manages relationships with select infrastructure vendors.

Role Overview Coinbase is hiring a Senior Software Engineer for the Data Platform team. This remote role is open to candidates based in Canada. The team builds and maintains the core data infrastructure that supports Coinbase’s mission to create an open financial system for the world. What You Will Do Design and implement scalable data solutions to support business needs Collaborate with team members to solve complex data engineering challenges Develop systems that help generate business insights and improve product offerings

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.

Join Us at Mistplay! We're on the lookout for a talented Senior / Staff Engineer, Data Platform to join our innovative team. At Mistplay, we pride ourselves on being the leading loyalty app for mobile gamers. Our vibrant community of millions of engaged players utilizes our platform to discover new games and earn exciting rewards. Gamers can redeem these rewards for gift cards, making their gaming experience even more rewarding.Our mission is to redefine mobile gaming by making it accessible and enjoyable for everyone, everywhere. We're committed to creating the best mobile gaming experience possible. Ready to make an impact? Download Mistplay from the Google Play Store and connect with us on Instagram, Twitter, and Facebook. Please Note: In Canada , Mistplay adopts a hybrid work model requiring 2 days a week in-office at either our Toronto (400 University Ave) or Montreal offices.

Join Confluent as a Senior Software Engineer for our Connect Platform, where you will play a pivotal role in building and enhancing our data streaming solutions. Collaborate with a talented team to innovate and drive the future of data integration, ensuring seamless connectivity for our clients. Your expertise will help shape the future of real-time data processing, enabling businesses to unlock their data’s full potential.

About the Role At Abnormal AI, we empower enterprises of all sizes to combat cybercrime with our innovative cloud products. Our offerings are data-intensive SaaS applications that require robust, scalable, and secure data access. This is where our talented Data Platform team plays a crucial role, providing scalable storage solutions (PostgreSQL, OpenSearch, Redis, RocksDB, DynamoDB) and developing services and tools that enhance operational excellence while sharing expertise with engineering and data science teams. We are seeking a Senior Software Engineer to join our Data Platform team. In this role, you will collaborate closely with our world-class engineers to shape and develop the next generation of our data platform. You will tackle ambitious technical challenges that deliver significant value to Abnormal and our clients. There are numerous opportunities for professional growth and career advancement, including the potential to progress into a Staff technical leadership role.