AI Platform Engineer at Grammarly | Remote

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.

Who We AreSamsara (NYSE: IOT) is at the forefront of the Connected Operations™ Cloud, a revolutionary platform empowering organizations reliant on physical operations to leverage Internet of Things (IoT) data. Our mission is to enhance safety, efficiency, and sustainability in the physical operations that drive our global economy. Covering over 40% of global GDP, these sectors include agriculture, construction, field services, transportation, and manufacturing, and we are thrilled to help them transition to digital solutions at scale.Joining Samsara means you'll be instrumental in shaping the future of physical operations by contributing to an exciting range of product solutions, such as Video-Based Safety, Vehicle Telematics, Apps and Driver Workflows, and Equipment Monitoring. As part of a recently publicly traded company, you will enjoy the autonomy and support to make a significant impact while we build for the long haul.About the Role:Samsara's Revenue Operations AI & Data Team is redefining our market approach—focusing on intelligence, personalization, and rapid execution. We are a dynamic team of builders, scientists, and strategists dedicated to revolutionizing sales operations through AI. Our goal is to empower sellers to connect with the right customer at the right moment with the most relevant message, equipping them with essential resources, whether that’s data from Salesforce, insights from previous interactions, or winning content.As a Senior Software Engineer on the AI Platform team, you will spearhead the design and development of crucial platform capabilities that enable Samsara’s next generation of AI-driven experiences. Your focus will be on creating scalable, reliable systems that support multi-step AI workflows, model execution, and cross-product integrations, steering away from isolated features. This role is positioned at the nexus of distributed systems and applied AI, where accuracy, extensibility, and operational excellence are just as vital as speed.You will collaborate closely with AI engineers, backend developers, and cross-functional teams to establish shared execution patterns, define platform contracts, and enhance the foundations that underpin S+Engine and future AI applications. You will have the authority to make architectural decisions, drive rapid iterations, and help transform emerging AI capabilities into a robust, production-ready platform that other teams can rely on.

Join our dynamic team at Harvey as a Software Engineer, where you will play a pivotal role in shaping our cutting-edge AI platform. This is an exciting opportunity to work with innovative technologies and contribute to projects that push the boundaries of artificial intelligence.As a Software Engineer, you will collaborate with cross-functional teams to design, develop, and implement software solutions that enhance our AI capabilities. Your work will directly impact the efficiency and effectiveness of our platform, helping to drive our mission forward.

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.

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 Harvey seeks a Staff Software Engineer in Toronto to drive the evolution of its AI Platform. The focus is on designing and building scalable systems that can adapt to business needs and deliver reliable performance. Key responsibilities Architect and develop essential components for the AI Platform, prioritizing both performance and scalability. Collaborate with engineers and data scientists to address complex technical challenges. Enhance the platform’s stability, speed, and overall functionality. Collaboration and impact This role works alongside a talented group in engineering and data science. Contributions will have a direct effect on the platform’s capabilities and support Harvey’s business outcomes.

About Wealthsimple Wealthsimple is Canada’s leading fintech company, serving over 3 million clients and managing more than $100 billion in assets. The company focuses on making financial services simple, transparent, and affordable. Team members take ownership of their work and care deeply about user experience. Learn more about Wealthsimple’s culture in the Culture Manual and see how we work. About the AI Platform Foundations Team The AI Platform Foundations team is a new group within Platform Engineering. This team develops and maintains shared AI tools that help hundreds of developers work more efficiently and confidently. The team also builds frameworks and policy controls to ensure innovation happens securely and responsibly. As a Senior Software Developer on this team, expect to work with Ruby on Rails, Python, TypeScript, and Java/Kotlin. Collaboration spans Platform Engineering and other teams across Wealthsimple. The tools built here are designed for broad adoption and high trust, shaping how engineers across the company use AI in their daily work. What You Will Do Build a collaborative AI tooling platform. Help design and implement the infrastructure that brings AI-assisted development to all teams. Turn scattered LLM tools into a unified, governed, and reusable platform. Boost developer efficiency with AI automation. Develop tools that remove friction from the development process. Enable features such as AI-powered code reviews and automated pull request approvals, freeing developers to focus on key projects. Set up guardrails for development processes. Create policy controls and verification layers that guide developers, making sure innovation stays aligned with security and governance requirements. Location This is a remote role open to candidates based in Canada.

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.

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.

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.

Revic is seeking a talented Platform Engineer to develop and enhance the infrastructure that powers our AI-driven revenue solutions. In this role, you will take charge of ensuring our AI agents operate swiftly, reliably, and at scale. If you thrive on simplifying complex systems, this opportunity is perfect for you.About RevicAt Revic, we recognize that exceptional sales professionals are crucial to business success. They cultivate relationships, comprehend client needs, and secure deals that drive growth. Yet, they often find themselves overwhelmed by administrative tasks and ineffective tools that hinder their ability to sell.We believe that salespeople deserve better technology that empowers rather than obstructs their efforts.Revic is at the forefront of AI-native sales acceleration, designed to enhance the capabilities of sales professionals. We tackle the complexities of data analysis, opportunity identification, and workflow activation, allowing sales representatives to focus on meaningful interactions and relationship building.Our platform continually learns from performance metrics, identifies ideal customers, and equips reps with critical context for confident, precise decision-making. By alleviating the friction in the sales process, we help amplify their inherent strengths.Sales is inherently human, and Revic is committed to preserving that essence by enabling AI to manage the details.Role OverviewAs Revic's AI agents handle vast amounts of data and orchestrate numerous integrations, they make instantaneous decisions that significantly affect enterprise revenue streams. To support this growth, we need a dedicated Platform Engineer to fortify our foundational infrastructure.This role requires you to create infrastructure that can accommodate numerous simultaneous AI agent operations, each drawing from a myriad of data sources while maintaining low latency, cost efficiency, and high reliability.Your ResponsibilitiesDesign, develop, and maintain cloud infrastructure and developer platforms that empower Revic's AI solutions.Oversee CI/CD pipelines, deployment automation, and environment management to ensure engineers can release code confidently.Implement observability, monitoring, and alerting systems that proactively identify issues before they reach our customers.Manage the infrastructure that enables our AI agents to function seamlessly.

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.

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.

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.

Rivian Automotive, Inc. is seeking a Senior Software Engineer to join the Consumer Platform team in Vancouver, British Columbia. This position centers on designing and building software that improves the experience for Rivian’s customers. Role overview The Senior Software Engineer will contribute to the development of new features and solutions for Rivian’s consumer-facing platform. The work involves both creating and refining software to support a seamless user journey. Collaboration This role works closely with colleagues across different teams. Regular collaboration ensures that the software aligns with the needs of a growing user base and maintains high standards for quality. Impact By joining the Consumer Platform team, you will help shape the digital experience for Rivian customers, supporting the company’s mission as an electric vehicle manufacturer.

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

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 the Role Chainguard is looking for a Senior Software Engineer to help build and improve the libraries that power our platform. This remote position is open to candidates based in Canada. The work centers on creating tools that support secure software delivery at scale. What You Will Do Design and develop libraries that are both scalable and efficient for the Chainguard platform. Work closely with teams across engineering, product, and other disciplines to define requirements and deliver new features. Explore and adopt new technologies that improve how we develop and ship software. Who We’re Looking For This role suits someone with a strong background in software engineering, especially in building and maintaining libraries. Curiosity about new technologies and a drive to improve development practices are important here. Location Remote within Canada.

About the Role Elastic is looking for a Senior Software Engineer to join the Security Platform Team. This position focuses on building and improving security solutions that help safeguard customer data and maintain system integrity. What You Will Do Design, develop, and enhance software for the Security Platform Work closely with teams across engineering, product, and operations Participate in code reviews to support quality and maintainability Contribute to agile development processes Location This role is open to candidates based in Canada.

Join our dynamic team at Zip as a Senior Software Engineer specializing in our Developer Platform. This is a unique opportunity to shape the future of our technology stack while collaborating with cross-functional teams to deliver high-quality software solutions. You will be responsible for designing, developing, and maintaining robust backend services and APIs that empower our developer community.