Staff Backend Product Software Engineer - Commerce Platform

At Affirm, we're transforming credit into a more transparent and user-friendly experience, empowering consumers to buy now and pay later with no hidden fees or compounded interest.The Growth Platform team is responsible for developing shared backend systems that facilitate incentives, experimentation, personalization, and data-driven decision-making throughout Affirm’s consumer and merchant interactions, significantly impacting customer acquisition, engagement, and retention.

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.

About FoundThe self-employed workforce is a vibrant and rapidly expanding community of 60 million Canadians. However, self-employment poses unique challenges such as managing taxes, accounting, bookkeeping, and business banking. Found is here to address these challenges.At Found, we are dedicated to creating innovative tools that provide self-employed individuals with the security and peace of mind typically reserved for larger corporations. Our business banking solutions automate tax management and expense tracking, empowering small business owners to focus on their passions rather than their financial burdens.We invite compassionate, resourceful, and driven individuals to join us in establishing a comprehensive safety net for self-employed people.About This RoleOur engineering team plays a crucial role in transforming our product ideas into solutions utilized by tens of thousands of users weekly. We oversee the entire lifecycle from product development to ensuring robust and efficient technical operations.The Platform team focuses on maintaining the reliability and security of our systems while delivering an exceptional experience for both users and engineers. This small yet impactful group has a wide-ranging influence across reliability, security, compliance, and developer experience, supporting an engineering organization of over 30 members.We are in search of a Staff Software Engineer who excels at balancing rapid progress with safety, possesses a deep understanding of SLOs and SLAs, and has a proven track record of scaling systems effectively.We highly value engineers who can drive technical vision, mentor peers, and design scalable systems to match our growth trajectory. If you have questions, please include them in your application.Daily ResponsibilitiesArchitect future iterations of our critical systems such as databases and distributed jobs while considering our scaling requirements.Design and implement developer tools that enhance safety, reproducibility, and ease of deployment.Champion excellence in observability and monitoring, guiding incident response to ensure swift issue resolution and a positive on-call experience.Collaborate with engineering teams to uphold high technical quality across our systems while addressing technical debt, upgrades, and platform enhancements.Mentor engineers on designing reliable, fault-tolerant systems that can scale effectively.

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.

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.

Join the Dropbox team as a Staff Backend Product Software Engineer in our Core division, where you'll be instrumental in shaping the future of our innovative products. This is a unique opportunity to work with a dynamic team dedicated to delivering exceptional backend solutions. Your expertise in software engineering will play a vital role in building scalable and efficient systems that meet the needs of our diverse user base.As part of our team, you'll leverage your technical skills to design, develop, and optimize backend services, ensuring they are robust, secure, and maintainable. Collaborate with cross-functional teams to drive product enhancements and contribute to the overall success of Dropbox.

Cresta is dedicated to transforming customer interactions into strategic advantages by harnessing the full capabilities of contact centers. Our innovative platform merges advanced AI technologies with human insights, enabling contact centers to unearth valuable customer data, optimize communication processes, and enhance team efficiency. Founded by Sebastian Thrun, a pioneer from the Stanford AI lab and the visionary behind Google X and Waymo, our leadership team also includes Ping Wu, CEO and co-founder of Google Contact Center AI, and Tim Shi, an early member of Open AI.Join us on this exciting journey to redefine the future of work with AI. The next era of productivity starts at Cresta.About the Role:Our AI Agent team is focused on developing enterprise-grade AI Agents tailored for real-world contact center operations. A vital aspect of this endeavor is ensuring our AI Agents can seamlessly integrate with various CCaaS platforms across both voice and digital channels, facilitating smooth transitions between AI and human representatives as necessary.Your role will involve building robust backend systems that empower our AI Agents to:Integrate effectively with leading CCaaS platformsEngage in live customer conversations via voice and chatMaintain comprehensive conversation context and stateExecute real-time actions within the CCaaS ecosystemFacilitate seamless handovers to human agents, retaining context and workflowSupport human agents with AI-driven assistance post-transferWe are searching for talented backend engineers eager to explore the convergence of distributed systems, real-time communications, enterprise integrations, and AI orchestration.As a Staff Backend Engineer, you will steer the architecture and technical strategy of Cresta’s AI Agent integration platform, defining the connectivity and scalability of our AI Agents within complex enterprise environments.

At Shakepay, we’re dedicated to leading the charge into the Bitcoin golden age. Our goal is to revolutionize financial services, ensuring every Canadian gets their fair share.Our workplace culture thrives on meaningful work, teamwork, and celebrating achievements. If you’re someone who prioritizes personal growth, rapid delivery, and open communication with a like-minded team, we invite you to join us in building a better future!About ShakepaySince our inception in 2015, we have been transforming the Shakepay app to make purchasing and earning Bitcoin swift, simple, and secure. In 2022, we introduced the Shakepay Card, allowing our users to earn Bitcoin rewards while shopping. Presently, over one million Canadians leverage Shakepay to enhance their Bitcoin savings and take charge of their financial destinies.We are fully compliant across all Canadian provinces and territories, supported by esteemed venture capitalists, and have secured $44M in funding. Our enthusiastic and loyal community is eager for individuals who are ready to contribute to something truly remarkable.Join our compact, high-impact team on a mission to usher in the Bitcoin golden age.About the Platform Team:The Platform team empowers engineering teams and other functions at Shakepay by providing the tools, infrastructure, and best practices they need to be autonomous, productive, and reliable.As a Staff Platform Engineer, your mission will be to shape and advance the internal platform that drives engineering across Shakepay. You will operate at a company-wide level, designing foundational systems and platform capabilities that allow teams to build, deploy, and manage software swiftly and reliably.You’ll be instrumental in defining the architecture and long-term vision of our developer platform—enhancing engineering velocity, reliability, and operational excellence throughout the organization.This role entails assisting in the creation of an agentic layer of the platform, developing intelligent tools and workflows that automate repetitive tasks, aid engineers in complex projects, and empower teams across the company to engage with systems and data in innovative ways.You will collaborate closely with engineering leadership and product teams to ensure our platform scales with Shakepay’s growth and continues to enable teams to deliver with confidence.The base salary for this position starts at $210,000 CAD. Actual compensation is based on skills, experience, and role level. Exceptional candidates may be considered for salaries above the top of the range, and pay can increase rapidly for those who make a significant impact in their role.

Role overview StackAdapt seeks a Staff Engineer in Vancouver to focus on FinOps and Cost Platform initiatives. This position aims to improve financial operations and drive efficiency for engineering teams. Collaboration with cross-functional groups is a key part of the role. The Staff Engineer will help enhance platform features, implement cost-saving strategies, and streamline financial workflows. What you will do Work with teams from various functions to strengthen platform capabilities Identify and introduce measures that reduce costs Simplify and improve processes related to financial operations Location This position is based in Vancouver.

Join Databricks, a pioneering force in data and AI, as we strive to redefine the way businesses leverage data insights! Our mission spans from revolutionizing transportation to enhancing medical advancements through our unparalleled data and AI infrastructure platform. With a foundation built by engineers and a relentless focus on customer needs, we tackle complex technical challenges, from crafting next-generation UI/UX to scaling our services across vast virtual environments. Our journey is just beginning. With the establishment of our Vancouver R&D center, we are expanding our footprint in the Pacific Northwest and are on the lookout for exceptional engineers to help us democratize data and AI. The Vancouver site is poised to become a vital hub for product innovation at Databricks. We are excited to bring strategic initiatives to this location and have multiple roles available across various teams, including: Log Analytics - As more customers utilize Databricks for real-time analysis of petabyte-scale logs, our team faces new challenges across the data processing pipeline, including ingestion, indexing, and processing. AI/BI - Our AI/BI solutions are transforming Business Intelligence for the AI era, with remarkable adoption rates (98.7% among our data warehousing clients). Join us to work on advanced dashboarding, visualizations, and innovative talk-to-your-data functionalities. Unity Catalog Business Semantics - Context is essential for AI, and our Unity Catalog ensures that enterprise data context is meticulously governed and managed. Our recent launch of the Unity Catalog Metrics marks a significant milestone, with more innovations ahead for this team focused on distributed systems, data modeling, governance, and AI integration. Databricks Apps - As one of our fastest-growing products, Databricks Apps has over 2,500 users creating more than 20,000 apps. This team works on low-level platform components, including Kubernetes and networking, while heavily investing in AI-driven app builders.

At Affirm, we are revolutionizing the credit landscape to ensure it is transparent and user-friendly. We empower consumers with the flexibility to purchase now and pay later, free from hidden fees and compounding interest.The Streaming team at Affirm is crucial to our operations, shaping the strategy around event-driven architecture, stream processing, data replication, exploration, discovery, and validation. We leverage leading open-source technologies like Kafka, Flink, and Spark, and develop custom solutions as necessary to create robust real-time data processing pipelines that efficiently manage vast data volumes across our distributed systems.As a member of our team, you will engage in identifying new applications for streaming data infrastructure, designing and scaling our existing systems, and collaborating with various teams to optimize data utilization across the organization. This role demands in-depth expertise in stream processing technologies and a dedication to constructing scalable, fault-tolerant data infrastructures.

Empower Every Identity, from AI to HumanIdentity is critical in harnessing the potential of AI. At Okta, we secure AI by developing a trusted, neutral infrastructure that allows organizations to confidently navigate this transformative era. This mission demands a relentless commitment to tackle complex, real-world challenges. We seek individuals who build and own their projects, operating with urgency while delivering excellence.This role offers a chance to engage in career-defining work. If you share our passion for this mission, let's connect.The TeamHave you ever pondered how large enterprises ensure that the right individuals access their most crucial systems? That's the core challenge we address.The Okta Privileged Access Management (PAM) team employs an identity-centric methodology to tackle a vital privileged access use case. Our sophisticated Zero Trust architecture is tailored for the modern cloud, aiding customers in resolving significant security and operational challenges on a large scale.Our team constructs the infrastructure that governs access to sensitive servers, databases, and cloud resources, ensuring access is granted only when necessary. We serve as the security layer bridging users (and non-human interfaces) with the systems essential for their tasks. The RoleWe are in search of a Staff Backend Software Engineer passionate about solving complex problems: distributed systems and creating software where precision is paramount. You will deploy code that safeguards real infrastructure for authentic organizations. Your work will underpin multiple feature teams. Enhancements you make in speed, reliability, or usability will have a ripple effect throughout the product.This position is for someone who enjoys contemplating how systems interconnect. You should possess strong viewpoints on effective abstractions and the adaptability to refine these abstractions as the product evolves. What You’ll Be Doing Actively contribute to the evolution of PAM's core architectureCollaborate with product development teams to create scalable, composable components of our platformDesign and implement scalable architecture patternsDevelop APIs utilizing OpenAPI Specification that our customers depend on for production infrastructure accessEngage with backend systems developed in GoParticipate in rotational on-call responsibilities alongside SRE and product teams

At Affirm, we are revolutionizing the credit landscape, making it more transparent and user-friendly. Our mission empowers consumers with the flexibility to buy now and pay later, free from hidden fees and compounding interest.Our Engineering team is the backbone of Affirm’s mission, dedicated to crafting reliable, high-performance, and scalable solutions that impact every aspect of our business. Whether we’re developing innovative payment methods, ensuring our platforms meet industry-leading scalability, or creating seamless customer service experiences, we focus on tackling complex challenges with exceptional engineering prowess.About the TeamThe Growth Platform Engineering team is responsible for building the essential systems and tools that drive user acquisition, engagement, and lifecycle growth at Affirm. Our platform facilitates personalized communications, intelligent experimentation, and scalable services that enable customers to discover and embrace Affirm’s offerings.We work in close collaboration with Product, Data Science, and Experience teams to design APIs, event-driven services, and experimentation frameworks that reach millions of customers across numerous merchants. The work of this team directly influences customer interactions with Affirm and fuels our long-term growth strategy.Your ResponsibilitiesLead your team in achieving quarterly goals by navigating ambiguity and solving complex, open-ended problems while ensuring team support throughout project delivery.Collaborate with product management, design, and analytics during the product development lifecycle, participating in ideation, clarifying technical constraints, and making informed decisions that account for risks and trade-offs.Proactively identify and advocate for solutions to project, process, technology, or business challenges.Oversee the operations and availability of your team’s artifacts by establishing and tracking metrics, escalating issues when necessary, and supporting ongoing maintenance and on-call responsibilities.Promote a culture of quality and ownership within your team by setting and enhancing code review and design standards, and advocating for these practices through documentation and technical presentations.Mentor and develop team talent by providing constructive feedback and leading by example.Qualifications We SeekA minimum of 4 years of experience in designing, developing, and launching scalable backend systems using programming languages such as Python or Kotlin.

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.

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 the Revolution at HarveyAt Harvey, we are redefining the landscape of legal and professional services with a bold vision that encompasses an entire ecosystem. By leveraging cutting-edge agentic AI, an enterprise-level platform, and unparalleled domain expertise, we are transforming how essential knowledge work is executed for generations to come.This is an extraordinary opportunity to contribute to a groundbreaking company at a pivotal stage in its journey. With over 1,000 customers spread across more than 58 countries, a strong product-market fit, and exceptional investor backing, we are on an accelerated growth trajectory and are creating a new category in real time. The challenges are ambitious, standards are high, and the potential for personal, professional, and financial growth is unparalleled.Our team is comprised of talented, driven individuals who are deeply committed to our mission. We operate with a sense of urgency and ownership, tackling problems from ideation to execution. We maintain close relationships with our customers, collaborating across all levels to address significant challenges with care and speed. If you thrive in dynamic environments, strive for excellence, and wish to influence the future of work alongside a team that continuously raises the bar, we welcome you to join us in building something remarkable.At Harvey, we’re not just envisioning the future of professional services; we are actively crafting it today.Role OverviewAs a Senior Backend Software Engineer at Harvey, you will be instrumental in laying the groundwork for our product platform while developing user-facing features for some of the world's leading law firms and enterprise clients. Your team will manage the platform layer that ensures secure, reliable, and adaptable experiences, including notifications, permissions, and feature flag infrastructure. You will also create enterprise-grade collaboration tools tailored for law firms.Your responsibilities will include designing and managing systems that serve as the backbone of our operations and significantly influence how users engage with Harvey’s AI-enhanced legal solutions. This role is perfect for engineers who are eager to oscillate between extensive platform architecture and hands-on product development.This position is based in Toronto, Canada, and we operate under an in-person work model, offering relocation assistance to new team members.What You’ll DoDesign and develop robust backend infrastructure, including authentication systems, user permissions, feature flagging, notifications, and document management integrations.Enhance and evolve Harvey’s internal product platform, facilitating development across various product lines and engineering teams.Collaborate with cross-functional teams to identify and address user needs, ensuring a seamless experience.Implement best practices in software development and contribute to a culture of continuous improvement within the engineering team.

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 UsCommon Room is the leading AI Go-To-Market (GTM) Platform that equips your teams with intelligent AI agents powered by comprehensive buyer insights. We consolidate every signal throughout the buyer journey into a continuously-updated, person-level perspective. This empowers your team to identify the right targets, craft personalized messages, and time their outreach effectively.In a world where GTM teams are overwhelmed by tool sprawl, fragmented data, and ineffective AI, Common Room simplifies the landscape with a unified platform designed for scalability and complexity. Our solution integrates data, orchestration, and execution into a single system, perfectly suited for organizations of 75 to over 1000 employees.Having secured over $50 million in funding from prestigious investors like Greylock, Index, and Madrona, we are also supported by more than 25 industry operators from leading companies such as Figma, Stripe, Airtable, Slack, Notion, Loom, and others.Your Impact at Common RoomWe seek individuals who are quick learners and possess a strong grasp of our product, business, and technology. You will thrive on growth and independence while owning and executing significant features. Your expertise in building APIs will help fellow engineers address customer challenges effectively, all while ensuring our systems remain efficient, scalable, and reliable. You will play a key role in advancing Common Room’s core internal capabilities, infrastructure, and systems, often staying a step ahead to meet customer needs.Additionally, you will engage in vital company-building initiatives that are essential for our fast-growing startup.Ideal Team Member6+ years of experience in software engineering.You are self-sufficient yet value collaboration and support from colleagues.Passionate about your craft and eager to manage substantial backend projects.Ability to work effectively with a diverse team of experienced engineers, including front-end developers.Sound judgment regarding trade-offs and tools necessary for problem-solving, preferring stable, well-supported technologies over trendy options.Design systems that address customer issues and find satisfaction in creating simple, elegant solutions.

Okta builds secure identity solutions for both people and AI, providing trusted infrastructure that helps organizations manage access in a complex technology landscape. The company’s mission centers on delivering secure, reliable access for everyone. The Privileged Access Management (PAM) team at Okta uses an identity-first approach to tackle privileged access challenges. By applying Zero Trust principles designed for cloud environments, the team enables organizations to control access to sensitive servers, databases, and cloud resources. Their work ensures that only authorized users and systems can reach critical assets when needed. Role overview This Staff Backend Engineer position focuses on distributed systems and core software infrastructure. The role involves deploying code that safeguards real-world infrastructure for Okta’s customers. Contributions in this role support several feature teams and influence the speed, reliability, and usability of the product. Success in this position requires a strong understanding of how systems connect, an appreciation for solid abstraction, and the ability to adapt those abstractions as products change. What you will do Advance the core architecture of Okta’s PAM platform. Collaborate with product development teams to build scalable, modular components. Design and implement scalable architecture patterns. Develop APIs using the OpenAPI Specification to enable customer access to production infrastructure. Work with backend systems written in Go. Participate in rotational on-call duties alongside SRE and product development teams. Location This role is based in Toronto, Ontario, Canada.