Senior Platform Engineer

Speechify seeks a Software Engineer in Toronto to focus on platform development. This position plays a key part in strengthening and expanding Speechify’s text-to-speech technology, supporting people who use the platform to access information in new ways. Role overview This role involves designing and building scalable solutions with the engineering team. The work directly shapes the evolution of Speechify’s core text-to-speech features and influences how users interact with the technology. What you will do Collaborate with engineers to create scalable platform components Contribute to improvements and new features for text-to-speech capabilities Play a part in defining user experience and accessibility through technology Requirements Background in software engineering, especially in platform or backend development Interest in building accessible products Strong collaboration skills and openness to teamwork Speechify welcomes those who find meaning in building technology that helps people learn and connect.

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.

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.

Since its inception, Fivetran has been dedicated to simplifying and ensuring reliable access to data, much like the electricity that powers our lives. Our platform enables customer data to flow effortlessly into their warehouses, structured and ready for querying, without the need for engineering or maintenance. We take pride in empowering organizations to harness the full potential of their data every day.About the RoleJoin our dynamic ETL Platform team at Fivetran, where we are building robust data pipelines to support the modern data architecture of thousands of companies.As a Staff Software Engineer, you will play a pivotal role in managing the core platform that underpins Census’ sync engine. Your responsibilities will include ensuring the seamless flow of customer data—on time, every time. You will design and implement significant projects like our recent Sync Tracking overhaul, which enhances our ability to capture, store, and process large datasets. This provides our customers with unparalleled visibility over their data streams, ensuring that every record reaches its destination accurately. Our team is also responsible for managing a scalable and adaptable fleet of machines to meet the evolving demands of our clients.This is a full-time, hybrid position based in our Toronto office.

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.

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.

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.

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.

Fivetran builds technology that helps organizations turn customer data into actionable insights without heavy engineering or ongoing maintenance. The ETL Platform team plays a key role in supporting the core infrastructure behind Fivetran’s sync engine, making sure data flows smoothly and reliably for customers. Role overview The Senior Software Engineer will join the ETL Platform group, focusing on projects that improve how Fivetran captures, stores, and processes large datasets. Recent work includes a Sync Tracking overhaul, which gives customers better visibility into their data movement and helps maintain accuracy and reliability. What you will do Contribute to the foundational systems that power Fivetran’s sync engine Work on initiatives that enhance the tracking and processing of high-volume data Help manage a scalable fleet of machines that adapts to changing customer needs Support the team’s role as essential infrastructure within the company Work arrangement This is a full-time, hybrid position based in Toronto, Ontario. The schedule blends remote work with in-person collaboration, with two days per week in the office for team activities.

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.

Join Warner Music Group, a vibrant global community of music creators, innovators, and passionate professionals. Here, we transform dreams into reality and cultivate fandoms that resonate worldwide. Our operations are anchored by three fundamental values that guide our diverse endeavors: • Curiosity: Our creativity flourishes when we explore culture and push boundaries. Curiosity fuels our innovation, which is essential for our future success.• Collaboration: The essence of music-making lies in originality enhanced by teamwork. Great ideas resonate globally, and we ignite passion and forge connections within our diverse network of artists, songwriters, partners, and fans.• Commitment: We strive for excellence for our team and our talent. Every aspect of music involves venturing into the unknown, and we are dedicated to maintaining integrity and fulfilling our promises.Technology is integral to our business. From onboarding new artists to delivering precise data to platforms like Spotify and YouTube, or empowering artists with cutting-edge AI tools and insightful data, technology is the backbone of our success. Our engineering team at Warner Music Group brings these visions to life.We proudly represent a diverse array of artists, musicians, and songwriters who contribute to our achievements. We are committed to fostering a work environment that values, appreciates, and respects every individual, encouraging applications from candidates with a variety of backgrounds and experiences.Consider a career at WMG, where you can enjoy the dynamism of a global music powerhouse while embodying the creative spirit of an independent entity.Your Role:We are developing the next-generation Data Platform, designed to set benchmarks in freshness, accuracy, comprehensiveness, and usability, to empower Warner Music Group’s operations. We are reengineering this platform from the ground up, encompassing:

Discover OktaAt Okta, we are known as The World’s Identity Company. Our mission is to empower individuals to safely access any technology, regardless of the device or application. Our versatile products, including the Okta Platform and Auth0 Platform, provide secure access, authentication, and automation, making identity a cornerstone of business security and growth.We embrace a diverse range of perspectives and experiences. We are not seeking someone who fits every criterion; rather, we value lifelong learners and those who can enhance our team with their distinct backgrounds.Join us in creating a world where Identity is in your hands.The Streaming Foundations team develops and manages data pipeline infrastructure designed to support event streaming, messaging, and analytics. We are searching for a Software Engineer who is enthusiastic about distributed systems, platform engineering, and tackling data-intensive challenges at scale. In this pivotal role, you will collaborate with engineers across the organization to establish foundational infrastructure that will enable Auth0 to grow sustainably for years to come.

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.

About the Role CommerceIQ is hiring a Software Development Engineer in Toronto, Ontario. This role focuses on building and maintaining software that strengthens our e-commerce platform. The work directly shapes how our business serves customers. What You'll Do Design, develop, and support software solutions for e-commerce functions Collaborate with team members to solve technical challenges Contribute to projects that drive business results and improve customer experience Who We're Looking For Curious engineers who enjoy solving problems Motivated to grow skills and take on new challenges Ready to work in a collaborative, evolving environment

Discover OktaOkta is recognized globally as The World’s Identity Company. We empower individuals to securely utilize any technology on any device or application. Our versatile products, including the Okta Platform and Auth0 Platform, ensure secure access, authentication, and automation, positioning identity at the heart of business security and growth.At Okta, we value diverse perspectives and experiences. We seek lifelong learners who can enhance our team with their unique insights.Join us as we create a world where Identity is truly yours.The Streaming Foundations team is responsible for developing and maintaining services and data pipeline infrastructure to facilitate event streaming, messaging, and analytics. We are in search of a passionate Software Engineer who is enthusiastic about distributed systems, platform engineering, and tackling large-scale data challenges. In this impactful position, you will collaborate with engineers across the organization to construct foundational infrastructure that will enable Auth0 to scale effectively for years ahead.

Pinterest is looking for a Software Engineer II to join the Web Platform team in Toronto, ON. This team focuses on building and enhancing the web experience for millions of users, with an emphasis on improving features and overall performance. Role overview The Web Platform group designs, develops, and launches software that supports Pinterest’s core web experience. Engineers here work together to strengthen the platform and ensure it meets the needs of a global audience. What you will do Work with teammates to design and refine new web features Write, test, and maintain high-quality code for the Pinterest web platform Contribute ideas and solutions that improve functionality and user experience Who thrives in this role Engineers who enjoy collaborating to solve technical challenges People who adapt well to shifting priorities Those motivated to help build a product that inspires users around the world

About CMiCLocated in the heart of Toronto, CMiC stands as a leading software company dedicated to revolutionizing the construction industry. Our innovative platform empowers construction firms to efficiently manage their vital workflows. Clients can choose between our Software as a Service (SaaS) or Private Hosted solutions, featuring specialized modules for comprehensive management of Financials, Payroll, Project Management, and Budgeting. We proudly hold a significant market presence in North America, with rapid expansion into international markets including Europe, Southeast Asia, and the Middle East.Position OverviewWe are seeking a talented Software Engineer to join our dynamic team, focusing on the development of robust RESTful APIs that will support our front-end applications. In this role, you will enhance existing APIs and design new ones utilizing Oracle ADF BC REST and Jersey frameworks. Additionally, you will engage in database-level development to ensure seamless API functionality. Your responsibilities will include:Designing, building, and maintaining high-quality, reusable, and secure code.Enhancing tools and processes related to API development.Creating comprehensive documentation for APIs, tools, and workflows.Conducting code reviews and providing constructive feedback.Diagnosing problems and proposing effective solutions.Key Information:The expected salary range for this role is between $70,000 and $115,000 annually, based on experience level.This position is an immediate opening.We prioritize a manual review process and do not utilize AI for applicant screening.

Join us at fiq as a Principal Engineer - New Initiatives, where you'll play a pivotal role in shaping our foundational platform. As a founding engineer, you will work on cutting-edge projects, collaborate with cross-functional teams, and drive innovative solutions that will set the stage for our company’s growth. This is an exciting opportunity to leverage your expertise in software engineering and architecture to create robust systems that support our vision.

Role overview The Staff Engineer for Patient Platform at Prenuvo will play a key part in shaping technology that connects patients and healthcare professionals. The focus is on building systems that enhance patient experience and expand access to healthcare through thoughtful engineering. What you will do Design and implement systems that support both patients and healthcare teams Create solutions to improve how patients interact with healthcare services Use engineering expertise to boost the platform's reliability and reach Location This role is based in Toronto, Ontario, Canada.