Senior Software Engineer - Infrastructure

As a Senior Backend Software Engineer at Affirm, you will play a pivotal role in shaping our streaming infrastructure. You will collaborate with cross-functional teams to design, develop, and optimize backend systems that support our innovative financial solutions. Your expertise will help enhance the scalability and reliability of our services, ensuring a seamless experience for our users.

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.

YOUR ROLEWe are seeking a talented Backend Software Engineer who possesses a robust infrastructure perspective to become a key member of our Technology team. This position operates at the convergence of backend development and platform engineering, where Kubernetes is a primary focus rather than just a deployment tool.Our platform supports the dynamic scaling of hundreds of servers daily, managing isolated runtime environments within Kubernetes pods. You will play a pivotal role in designing, building, and enhancing the backend services and infrastructure systems that facilitate this process, emphasizing Infrastructure as Code, dynamic scalability, and system reliability.If you thrive on working close to the hardware while also engaging in application development, enjoy system-level thinking, and excel at resolving issues where application and infrastructure behaviors intersect, this role is tailor-made for you.ABOUT XSOLLAXsolla is a premier global commerce entity offering a comprehensive suite of tools and services designed to assist developers in overcoming the unique challenges of the video game industry. From indie studios to AAA titles, our partners rely on Xsolla to effectively fund, distribute, market, and monetize their games. Rooted in our belief in the future potential of video gaming, we are dedicated to bridging opportunities and continually providing innovative resources to creators. Headquartered in Los Angeles, California, Xsolla proudly serves as the merchant of record and has empowered over 1,500 game developers worldwide to expand their player base and drive business growth.For further details, please visit xsolla.com.

Join Databricks, an innovative leader in data and AI, on our mission to simplify access to data and AI technologies. We are dedicated to transforming industries, from revolutionizing transportation to advancing medical breakthroughs, by providing the world's foremost data and AI infrastructure platform. Our engineering-driven culture fuels our relentless pursuit of solving technical challenges, whether it's enhancing the user experience with next-gen UI/UX or expanding our infrastructure to support millions of virtual machines.As we establish our new R&D center in Vancouver, we are on the lookout for exceptional engineers to help us democratize data and AI. This site is poised to become a cornerstone of product innovation at Databricks, with several strategic initiatives underway.The Vancouver team will focus on key areas, including:Log Analytics - Tackling the challenges of real-time petabyte-scale log analysis, encompassing the entire data processing pipeline from ingestion to user experience.AI/BI - Our AI/BI product is revolutionizing business intelligence with unmatched adoption rates, enabling rich dashboarding and advanced visualizations.Unity Catalog Business Semantics - Governing and managing enterprise data context through our innovative Unity Catalog, enhancing data modeling and AI enablement.Databricks Apps - Contributing to one of our fastest-growing products, with opportunities to work on low-level platform components and AI-driven app builder agents.

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.

At Confluent, we are not merely innovating technology; we are redefining the dynamics of data movement and what organizations can achieve with it. Our platform ensures that data is continuously flowing, allowing businesses to respond swiftly, innovate intelligently, and create experiences that resonate with the fast-paced world.We seek individuals who thrive in a collaborative environment—those who challenge the status quo, offer constructive feedback, and support one another. Here, egos are left at the door, and we work as one cohesive unit, united in our mission to push boundaries together.Join us at Confluent: One Team. One Vision. One Data Streaming Platform.About the Role:As a Staff Software Engineer, you will take the helm as the technical leader for pivotal initiatives within the Stream Governance product at Confluent. This portfolio is vital for actualizing our objective of embedding event streaming at the core of every organization, serving as a fundamental aspect of our Data Streaming Platform. Your responsibilities will include delivering essential functionalities such as the Confluent Stream Catalog, Stream Sharing, Stream Lineage, and Data Portal—tools that empower our clients to efficiently search, organize, understand, and access data autonomously.In this role, you will work closely with team members and key stakeholders to design, architect, and develop cloud-native, multi-tenant services for Stream Governance. You will spearhead the vision, provide technical guidance, and mentor a high-performing engineering team to address complex distributed data challenges at scale.

Senior Backend Software EngineerABOUT USProcurify is a leading AI-driven procurement and accounts payable automation platform designed specifically for mid-market organizations. Our mission is to empower businesses to take control of their spending and achieve significant savings.We are seeking a strategic and insightful engineering leader to join our team and assist in the scaling of our platform, development methodologies, and engineering talent.ABOUT THE ROLEAs a Senior Backend Engineer, you will play a pivotal role on our foundational Platform team. This team is responsible for the essential services, APIs, and integration frameworks that connect Procurify with our clients' vital financial and HR systems.In this hands-on role, you will excel in developing robust and scalable integrations. You will lead the design and implementation of connections to key Accounting and ERP platforms, facilitating seamless data exchange and enabling powerful automated workflows for our clients. Your enthusiasm for API design, problem-solving in complex integration scenarios, and mentoring fellow engineers will be crucial in enhancing the team's capabilities.WHAT YOU’LL BE WORKING ON:Design & Build Core APIs: Take the lead in designing, developing, and maintaining our internal and external APIs, contributing significantly to our API-first strategy by utilizing modern Python frameworks like FastAPI.Build & Maintain Key Integrations: Serve as the go-to expert for our suite of third-party integrations, ensuring reliable connections to critical Accounting/ERP systems (e.g., QuickBooks Online, NetSuite, Microsoft Business Central).Enhance our Platform Architecture: Contribute to the long-term vision of our integration platform, designing and implementing scalable, observable, and resilient systems capable of managing high data volumes from numerous customers.Mentor & Grow Teammates: As a senior engineer, you'll provide technical mentorship to other team members, leading by example during code reviews and sharing your knowledge in technical design discussions.OUR TECH STACK:Backend: Python, Django, FastAPICloud: AWS

Principal Software Engineer - Backend Infrastructure (Remote)Are you a visionary technical leader eager to shape the future of financial infrastructure? As a Principal Software Engineer at mlabs, you will play an instrumental role in developing cutting-edge backend systems that support secure and resilient financial operations. This remote-first position offers the flexibility of working from anywhere in Canada, with a preference for candidates in Eastern Standard Time (EST).Join a dynamic team of experts specializing in blockchain technology, cryptography, and security, and take the lead in designing and scaling our backend infrastructure. In this pivotal role, you will not only write code but also define technical strategy and oversee critical projects from inception to deployment.Key Responsibilities:Lead the design and implementation of scalable, secure backend services and APIs.Architect and refine databases, microservices, and system integrations.Manage essential projects through their entire lifecycle, ensuring high performance and reliability.Diagnose and solve complex performance issues at scale.Enhance CI/CD processes and observability across teams.Collaborate closely with product and security teams to align technical execution with business objectives.Mentor and guide senior engineers, promoting best practices and high-level technical discussions.Make significant architectural decisions and uphold engineering standards throughout the organization.

About ClickHouseClickHouse, a proud member of the 2025 Forbes Cloud 100 list, stands out as one of the most pioneering and rapidly expanding private cloud enterprises. With over 3,000 clients and an astonishing annual recurring revenue growth of over 250% year-on-year, ClickHouse is at the forefront of real-time analytics, data warehousing, observability, and AI applications.The organization’s remarkable momentum was recently reinforced by a significant $400M Series D funding round. In just the last three months, notable clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted our platform or expanded their existing usage. These additions complement an established base of AI trailblazers and global corporations, including Meta, Cursor, Sony, and Tesla.Join us on our mission to revolutionize how businesses leverage data. Be a part of our exciting journey!About the TeamThe ClickPipes Platform is essential for driving our company's growth and ensuring our clients achieve success by effortlessly onboarding and integrating data from various sources into ClickHouse. This role allows you to work at a petabyte scale in a high-velocity environment, offering an outstanding opportunity to tackle complex technical challenges, operate independently, and make a significant impact.Discover some of our team's recent achievements highlighted in our blog:Flexible Scaling and Monitoring in ClickPipesMySQL CDC Connector for ClickPipesThe Evolution of ClickPipesWe seek outstanding backend engineers proficient in diverse technologies, with substantial expertise in Kubernetes, distributed systems, cloud services, and platform reliability. As a team member, you'll collaborate across functions to construct and maintain the robust infrastructure that supports ClickPipes. This position is perfect for individuals who can work autonomously, take initiative, and propel projects forward with a high degree of independence.What will you do?Enhance and scale our high-performance data onboarding platform to effectively manage increasing data volumes.

Afresh Technologies is seeking a Senior Backend Software Engineer to join the team in Ontario, Canada. This role centers on building and maintaining backend systems that support greater efficiency in the food supply chain. The systems developed play a key part in smarter inventory management and ongoing efforts to cut down on food waste. Role overview This position involves designing backend solutions that can handle growing business demands. The work supports the company's mission to make food distribution smarter and more sustainable. What you will do Design and develop backend systems that scale alongside business requirements Collaborate with engineering, product, and data teams to deliver dependable applications Apply data-driven methods to improve inventory management Support projects aimed at reducing food waste across the supply chain

As a Senior Infrastructure Software Engineer at Afresh Technologies, you will play a crucial role in enhancing our infrastructure to support cutting-edge software solutions. You will collaborate with cross-functional teams to design, implement, and maintain scalable systems that improve our operational efficiency and reliability.

Role Overview Veeva Systems Inc. is looking for a Senior Software Engineer focused on Infrastructure in Toronto, Canada. This role centers on designing, building, and improving infrastructure that supports our software products. What You Will Do Create and refine infrastructure solutions to support application development and deployment Work with teams across engineering, operations, and product to strengthen system reliability and performance Address scalability and security needs as our technology evolves Impact Your work will help shape Veeva’s technology foundation and support the growth of our software applications.

Join Justworks as a Senior Backend Software Engineer and play a pivotal role in shaping our technology landscape. You will work on high-impact projects, designing and implementing scalable backend systems that support our mission of simplifying business operations for our clients. Your expertise in backend technologies will be critical in delivering exceptional digital experiences.

Join Cohere as a Senior Software Engineer, specializing in Agent Infrastructure. In this role, you will lead the design and implementation of robust software solutions that enhance our agent infrastructure capabilities. Collaborate with cross-functional teams to drive innovation and optimize our systems for performance and scalability.

Role Overview Venn is hiring a Senior Backend Engineer in Toronto. This role focuses on designing and improving backend architecture to support reliable, scalable applications. The position involves close collaboration with colleagues from various teams to deliver solid software that supports business goals.

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.

Role Overview Veeva Systems is looking for a Senior Software Engineer focused on Infrastructure in Ottawa, Canada. This role centers on designing and building infrastructure solutions that underpin Veeva’s software products. Collaboration with cross-functional teams is a key part of the job, with an emphasis on improving system performance and scalability.

Join Centari as a Senior Backend Software Engineer!At Centari, we revolutionize high-stakes dealmaking by unlocking the power of private deal data. Our innovative deal intelligence platform is paving the way for a new era in law and finance, transcending mere automation to embrace data-driven decision-making. Our proprietary Deal Reasoning Engine converts complex documents into actionable insights, equipping global deal teams with the knowledge needed to negotiate effectively.We foster a diverse team of attorneys, financial experts, and engineers within a hybrid, cross-cultural environment. Our mission is supported by esteemed enterprise AI investors, including GTMfund and industry veterans such as Jeremy Kranz and Andy Appelbaum.We thrive on complexity as it breeds innovation. If you're a proactive builder who excels in ambiguous situations and embraces radical ownership, we want to connect with you!For more details, visit centari.com or follow us on LinkedIn.

Role overview As a Senior Software Engineer focused on AI Infrastructure at jobgether, the main responsibility is to shape and support the technical foundation for the company’s AI initiatives. The work involves both creating new systems and refining current technology to help meet evolving business objectives. What you will do Design and develop infrastructure that enables AI systems to operate efficiently and reliably Maintain and enhance existing AI technology stacks to ensure ongoing performance and scalability Apply technical expertise to solve complex engineering problems related to AI infrastructure Work environment This position is based in Canada and involves working closely with a collaborative team. The role provides opportunities to engage with advanced technologies in support of the company’s AI goals.