Lead Staff Platform Engineer - AI Infrastructure at Paytm | Toronto, Canada

Role Overview Paytm is seeking a Lead Staff Platform Engineer focused on AI Infrastructure in Toronto, Canada. This position centers on building and scaling the systems behind Paytm's AI inference platform, which supports both internal teams and enterprise clients as they develop new customer-facing AI solutions. What You Will Do Own and manage GPU infrastru…

Role Overview Paytm is hiring a Staff AI Platform Engineer in Toronto, Canada, with a focus on Inference and Agentic Systems. This role centers on designing and improving AI-powered platforms that support intelligent, agent-like features for users and business applications. What You Will Do Work with a skilled team to build and refine AI solutions that support agentic behaviors and inference-driven capabilities. Apply experience in machine learning, software engineering, and system architecture to develop and scale reliable AI platforms. Contribute technical leadership and hands-on expertise to projects that advance Paytm’s AI offerings. Key Skills Deep knowledge of machine learning and inference methods Strong background in software engineering Experience designing and maintaining complex system architectures

Tali AI is a rapidly expanding startup in Canada dedicated to enhancing healthcare accessibility through artificial intelligence. We are developing a pioneering AI platform designed to streamline clinical workflows by automating data collection, processing, and sharing. This allows healthcare professionals to concentrate on delivering quality care. Our platform is utilized by thousands of clinicians across Canada and the United States, spanning various specialties and seamlessly integrated with the complex landscape of North American health record systems. Our technical vision is to create a comprehensive operating system for clinical workflows, enabling healthcare teams to customize the platform to automate their data management tasks.We tackle genuinely challenging problems:Establishing real-time audio pipelines where latency impacts outcomes and accuracy is critical.Integrating with a diverse ecosystem of clinical software, including health records, billing, scheduling, referral management, and more.Creating reliable AI workflows and agents in a domain where errors can have significant consequences.Implementing a privacy and compliance framework that is robust by design.We operate in a fast-paced market that values rapid innovation, while building and maintaining clinician trust is paramount.

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 UsNubank, established in 2013, aims to liberate individuals from the constraints of slow and inefficient financial systems. By leveraging cutting-edge technology and exceptional customer service, we've redefined how people in Latin America engage with their finances. With operations spanning Brazil, Mexico, and Colombia, Nubank stands as one of the largest digital banking platforms globally. Our listing on the NYSE in 2021 and recognition as one of Time Magazine's 100 Most Influential Companies underscores our commitment to innovation. To learn more, visit www.nu.com.br. About the RoleAs Nubank continues its global expansion, it is vital to uphold high operational standards to empower our customers effectively. This position is pivotal in ensuring that as we scale rapidly, we maintain unwavering resilience. You will serve as the technical leader for our Resilience division. Your role will be instrumental in enhancing operational reliability through collaboration with product teams, implementing best practices, and designing deployment safeguards. You will tackle intricate architectural challenges, mentor fellow engineers, and influence the long-term resilience strategy for one of the world’s leading digital banks.

At Ripple, we are revolutionizing the way value is transferred globally, much like how information is shared today. Our ambitious mission is already in motion, as we provide cutting-edge crypto solutions for financial institutions, businesses, governments, and developers. By enhancing the global financial system, we strive to foster greater economic equity and opportunities for individuals worldwide. Join us as we embark on this remarkable journey, where you can achieve the best work of your career alongside supportive colleagues.If you are eager to make a significant impact and explore exceptional career growth opportunities, we invite you to join us in creating real-world value.THE WORK:As a Staff Software Engineer specializing in Platform, you will be instrumental in advancing Ripple's production infrastructure and release pipelines. Our Infrastructure Engineers are a unique blend of systems and software engineers dedicated to the design and lifecycle management of our hosted products. You will collaborate closely with product engineers to fulfill their infrastructure requirements, ideally within a self-service framework.WHAT YOU’LL DO:Design and implement platform features for computing, authentication, service discovery, observability, and redundancy.Lead architectural strategies balancing scale, cost, and maintainability.Mentor junior engineers on design, development, testing, and deployment best practices.Deploy and manage Ripple’s multi-region, multi-provider service platforms, with a strong focus on security and resilience.Create tools for automation, monitoring, and instrumentation to minimize operational friction and enhance engineering efficiency.Automate new and existing platform and application lifecycle services, leveraging data to achieve defined states with minimal human intervention.Propose scalable, maintainable, and cost-effective solutions.Participate in code reviews and contribute to a culture of continuous improvement.

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

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.

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.

Join Steel as a Member of the Technical Staff in our Infrastructure team, where you will play a pivotal role in building and maintaining robust systems that support our innovative projects. As part of a dynamic team, you'll leverage your technical expertise to enhance our infrastructure capabilities.

Hello, Future Homie!At Homebase, we are on a mission to empower small businesses to flourish. Our team is dynamic, innovative, and dedicated to making a meaningful impact. We prioritize empathy in our development process, act swiftly, and embrace bold initiatives that create substantial real-world results. Every member of our team is committed to elevating our standards, supporting one another, and celebrating our collective achievements.We’re not just developing an application; we’re cultivating unstoppable teams. So, what do you think? Are you ready to join us?Your Impact Begins HereWe are in search of a Staff Engineer (E5) to help shape the architectural future of Homebase’s Core Platform. This pivotal role will span our Identity & Notifications (IN) and Billing & Businesses (BB) teams—two essential domains that facilitate customer access, communication, and transactions within Homebase.As a senior technical leader, you will play a dual role as both a hands-on contributor and a mentor. Reporting directly to the Senior Manager of Core Platform, you will collaborate with engineering managers and individual contributors to design scalable services in line with our service-oriented architecture (SOA) and event-driven architecture (EDA) vision. Your leadership will guide engineers in adopting best practices while identifying opportunities to enhance reliability, performance, and developer velocity across our systems.This is a crucial position for a seasoned platform engineer who is passionate about enabling teams, refining architectures, and tackling complex system challenges that yield impactful results at scale.Act as the technical liaison between the Identity & Notifications and Billing & Businesses teams, ensuring architectural integrity and dependability.Lead the design and implementation of new patterns aligned with SOA and EDA.Mentor engineers from both teams, enhancing their design, debugging, and systems thinking capabilities.Collaborate with Engineering Managers and Product Managers to clarify technical requirements, define project scopes, and sequence foundational tasks.Identify system bottlenecks, advocate for architectural enhancements, and implement practical solutions.Steer the technical direction of high-impact projects, particularly those introducing SOA/EDA patterns into our legacy Rails systems.Promote an AI-first development approach: utilize AI tools to enhance code quality, design exploration, and delivery speed.

At RAVL, we are a distinguished technology advisory and engineering firm specializing in the financial services sector. Our mission is to empower clients to achieve tangible returns on their technology investments through innovative solutions and expert guidance. As we expand our delivery team, we are seeking experienced Delivery Leads to spearhead a diverse array of complex digital and AI initiatives for our clients. These pivotal roles emphasize the importance of driving effective execution across cross-functional teams, ensuring seamless collaboration between product, design, and engineering departments, and facilitating consistent, high-quality delivery on large-scale programs. We are offering opportunities for both ongoing projects and strategic hiring for future initiatives, with a strong emphasis on providing structure and clarity in intricate delivery environments.

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.

Role Overview enable is hiring a Staff Engineer in Toronto, ON. This senior role sits at the heart of our engineering team, shaping the design, development, and delivery of new solutions that move our projects ahead. The Staff Engineer brings deep technical expertise and a collaborative mindset to guide product and service evolution.

About Us: Axiomatic AI is pioneering a new generation of AI systems that employ the scientific method's rigor. By integrating deep learning with formal logic and physics-based modeling, we develop AI systems that are both verifiable and interpretable. Our solutions work in tandem with human researchers, enhancing their capabilities in critical scientific and engineering workflows. Our Mission, 30×30, is to achieve a 30-fold improvement in the speed, accessibility, and affordability of semiconductor and photonic hardware development by the year 2030. We are on a mission to transform hardware design and simulation within these sectors and are assembling a passionate team of professionals dedicated to translating groundbreaking research into commercial products. Position Overview We are in search of a Measurement Software Engineer to design and implement AX-Measure, the core of our autonomous laboratory. Your role will involve developing robust software layers that convert high-level AI decisions into precise, low-level commands for hardware operations. Your programming will govern millions of dollars worth of equipment, manage terabytes of measurement data, and ensure our 'self-driving' lab operates seamlessly. Responsibilities Create unified APIs enabling our AI agents to interact with various instruments, including oscilloscopes, network analyzers, SMUs, signal generators, and lasers. Develop high-concurrency execution engines for coordinating parallel measurements across multiple wafer chucks or cryostats. Design data pipelines and storage solutions to efficiently ingest high-frequency data streams, making them readily accessible for AI model queries. Implement 'guardrail' logic to prevent AI from initiating unsafe operations and to verify AI outputs. Integrate measurement outcomes with data analysis and modeling frameworks to enable closed-loop semiconductor development. Requirements B.S. or M.S. in Electrical or Computer Engineering, or a related discipline. 2+ years of extensive experience in production-grade Python, including proficiency in packaging (Poetry/UV), type hinting, decorators, and context managers. 2+ years of experience in automating hardware through VISA, SCPI, TCP/IP, or gRPC. 2+ years of experience in designing SDKs or APIs. 2+ years of experience in developing structured scientific data formats (HDF5) and time-series databases. Preferred Qualifications Familiarity with Rust or C++ for performance-critical applications.

Join shyftlabs as a Sales Engineer specializing in AI and Data Platforms. In this role, you will leverage your technical expertise to support the sales team in delivering innovative solutions to our clients. You will work closely with customers to understand their needs and demonstrate how our products can drive their success. Your ability to communicate complex technical concepts in an understandable way will be key to your success.

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.

RAVL is a specialized technology advisory and engineering firm dedicated to enhancing the financial services sector. Our mission is to empower clients to achieve significant returns on their technology investments through innovative solutions.We are expanding our engineering team and are seeking talented AI Platform Engineers to create cutting-edge AI systems for our clients. This role involves the development of Generative AI platforms, enabling agent-based architectures, and designing robust orchestration and integration layers tailored for enterprise AI applications.The positions will cover both current projects and future hiring needs, emphasizing the creation of secure, scalable, and production-ready AI platforms.

About the Role Momentum Financial Services Group is looking for a Senior Infrastructure Engineer in Toronto. This position focuses on designing, implementing, and maintaining infrastructure solutions that support the company’s goals. The role calls for hands-on work with systems and close collaboration with teams across the organization. What You Will Do Design and implement infrastructure solutions to meet business needs Maintain and improve system performance and security Partner with cross-functional teams to support ongoing projects Lead efforts to enhance infrastructure capabilities Location This role is based in Toronto, Canada.

At RAVL, we empower technologists to fast-track their careers.We bridge the gap between strategy and execution, prioritizing the well-being of our team members and measuring success through the enduring impact we create. Our mission is to assemble a team that centers sustainable business outcomes in every aspect of our work.Our goal is to enhance our clients’ situations and foster an environment where our team is proud to Build. Better.As a Platform Engineer at RAVL, you will be responsible for designing and implementing the platforms, infrastructure, and automation that drive modern engineering teams. You will utilize your extensive technical expertise, inquisitiveness, and practicality to construct cloud-native environments that ensure speed, security, and reliability at scale. Your role will involve automating processes wherever feasible, codifying environments, and making continuous delivery a standard practice for both RAVL and our clients.