Senior Backend Engineer

Join Our Dynamic Platform Team!High velocity, high intensity, high trust, high standards, high impact, and a relentless drive to succeed.If these values resonate with you, your next career opportunity awaits! We are looking for a candidate who leads with humility, sets ambitious objectives, and seeks to create a significant impact on individuals and society.At FutureFit AI, our mission is to expedite the journey to better job opportunities for individuals, particularly those facing obstacles to employment. We are tackling the pressing issue of economic inequality, ensuring that everyone is equipped for the future of work. Our AI-driven platform enhances workforce development efficiency, modernizing outdated systems and unlocking human potential on a large scale.Ready to make a difference? Submit your application today.Note: Research indicates that men often apply when meeting 3 out of 10 requirements, while women typically wait until meeting all 10. We encourage you to apply if you believe you are a strong fit.Your RoleFutureFit AI is on the lookout for a Senior Backend Engineer to bolster our Integrations & Platform team! In this pivotal role, you will be responsible for constructing the core of our platform. Your expertise will enable the design of intelligent, scalable backend systems that facilitate intricate integrations with government and enterprise partners, significantly reducing manual operational tasks and allowing our team to operate with greater speed and efficiency.Initially, you will concentrate on our most technically demanding integration: a bidirectional synchronization system that necessitates advanced error handling, asynchronous workflows, and operational automation. You will establish the infrastructure and methodologies that not only address this specific challenge but also serve as the foundation for our approach to integration reliability and operational excellence throughout the platform.This is a hands-on, high-impact position where you will witness immediate outcomes — including fewer production issues, expedited support resolutions, and scalable systems — while cultivating expertise that positions you to influence platform initiatives across our expanding infrastructure.Your 30/60/90 Day PlanAt FutureFit AI, we prioritize clarity and rapid progress. Here’s what success looks like in your first 90 days:

Join our dynamic team at rockstar-3 as a Senior Backend Engineer specializing in Integrations & Platform. In this fully remote role, you will play a key role in developing robust backend solutions that integrate seamlessly with our platform. We are looking for an innovative engineer who thrives in a collaborative environment and is passionate about building high-quality, scalable services.

At XYZ Storage, we redefine the storage experience. With a legacy spanning 28 years, we've crafted a unique and iconic brand that resonates with our customers, offering them peace of mind during what can often be a stressful time. Our mission is to simplify moving and storage, making it accessible and secure for everyone.We are excited to invite a talented Senior Full Stack Engineer to join our dynamic team. This role will allow you to contribute to impactful systems that support a rapidly expanding platform, serving tens of thousands of customers.Compensation:$120,000 - $150,000 annuallyExtra Perks:Comprehensive Benefits ProgramFunding for Educational CoursesGenerous Paid Personal DaysAnnual Performance BonusMilestone Recognition AwardsRRSP Program with Matching ContributionsMentoring and Career Development OpportunitiesPaid Training ProgramsSpecial Birthday RecognitionOur team at XYZ Storage is comprised of passionate professionals dedicated to providing seamless storage solutions while supporting our customers through critical life transitions. We cultivate a collaborative and innovative atmosphere, encouraging team members to grow, tackle challenges, and share valuable insights. Together, we are committed to: Delivering an unparalleled storage experience for our customers.As a Senior Full Stack Engineer, you will be instrumental in developing and maintaining the systems that drive our digital platform and enhance the customer experience.About You:You are a seasoned engineer who thrives on solving intricate technical problems and building scalable, reliable systems. Your pride in writing clean, production-ready code is matched only by your commitment to maintaining systems that support vital business operations.You excel in backend services, APIs, and infrastructure, and enjoy collaborating with both technical and non-technical teams to transform innovative ideas into actionable solutions.

Cresta is dedicated to transforming every customer interaction into a strategic advantage by harnessing the full potential of contact centers. Our innovative platform merges cutting-edge AI with human expertise to provide contact centers with invaluable customer insights, optimize processes, automate conversations, and empower team members to excel in their roles. Founded by the visionary Sebastian Thrun, renowned for his work with Google X and Waymo, and supported by an exceptional leadership team including CEO Ping Wu and co-founder Tim Shi, we are on the forefront of AI advancements.Join us on this exciting journey to redefine the future of work through AI at Cresta.About the Role:The AI Agent team at Cresta is developing enterprise-grade AI Agents designed to function effectively within real-world contact center settings. A vital aspect of this mission is to ensure that our AI Agents can integrate seamlessly with various CCaaS platforms (Contact Center as a Service), facilitating smooth transitions between AI and human agents as required.This role focuses on building robust backend systems that empower our AI Agents to:Integrate extensively with leading CCaaS platformsEngage in live customer conversations across voice and chatMaintain a complete conversation state and contextExecute real-time actions within the CCaaS ecosystemEffortlessly transition conversations to human agents without losing context, history, or workflow stateAssist human agents with AI support post-transferWe seek talented backend engineers eager to work at the intersection of distributed systems, real-time communication, enterprise integrations, and AI orchestration.This is not merely a research position; it is focused on constructing production-grade infrastructure that ensures AI Agents operate reliably within mission-critical customer environments.Why This Role Is Unique:AI + Real-Time Systems: Contribute to infrastructure that enables AI Agents to participate in live conversations on a large scale.Enterprise-Grade Integrations: Design robust connections with major CCaaS platforms and customer systems.

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

Join the innovative team at roofr as a Senior Backend Engineer specializing in our cutting-edge AI Platform. In this role, you will design, develop, and maintain scalable backend systems that power our AI solutions. Collaborate with cross-functional teams to implement robust architectures and optimize performance.

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 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.

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.

Join the User Platform (UP) team at Spotify, a key component of our SAFE Alliance, dedicated to enhancing the user experience through innovative Customer Identity and Access Management (CIAM). Our mission is simple yet profound: to create seamless connections between Spotify and our 700 million users worldwide.The User Platform is designed to provide a secure environment where users can manage their identity and account information across multiple interfaces. By doing so, we empower internal teams to deliver personalized user experiences that cater to individual preferences.As a member of the Lockness team, you will play a crucial role in shaping business authorization processes at Spotify. We are a full-stack team responsible for developing foundational IAM capabilities that ensure security while enabling rapid innovation. As a Backend Engineer, you will contribute to building, maintaining, and scaling our next-generation Business IAM, expanding our authorization platform's functionality and reach.

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.

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.

About UsAir-tek is an innovative Canadian software company recognized for its unique suite of products that have secured a significant presence in the global market. Our product-market fit is exceptional, and we are experiencing a surge in customer demand. During this phase of rapid growth, we maintain a discreet operational presence.Our diverse team is united by a shared passion for tackling complex challenges, a commitment to innovation, and an ambition to redefine the passenger-centric travel industry. Located in Toronto, we foster an inclusive culture based on trust, collaboration, excellence in product delivery, and continuous personal development. We take pride in our work and support each other as a team.About the TeamThe Platform Engineering team consists of highly collaborative software engineers dedicated to building, scaling, and maintaining the foundational infrastructure that empowers other teams to develop Air-tek’s software solutions. We focus on creating secure, scalable, and efficient infrastructure, employing modern development practices. Our impact is felt across the company as we work closely with operations, support, product management, and other engineering teams to meet Air-tek’s objectives.As a Senior Platform Engineer, you will play a pivotal role in designing, developing, and operating our core platform services, enabling us to deliver robust and reliable infrastructure solutions that support the expanding needs of our products.

At Forward Financing, we are revolutionizing the financial technology landscape from our headquarters in Boston, Massachusetts, with a dedicated team spread across the United States, the Dominican Republic, and Canada. Our mission is clear: to unlock the capital that empowers small businesses throughout America. Celebrated as a Best Place to Work by Built In Boston and certified as a Great Place To Work®, we are committed to investing in our people, technology, and customer experience for long-term success.We are on the lookout for a dynamic and technically proficient Senior Technical Product Manager specializing in Data Platform & Integrity. In this pivotal role, you will act as a horizontal leader within our Product organization, collaborating with various Product Squads to champion a 'Data-First' approach in the development of our Core Applications (Salesforce, Core Apps, Data Warehouse) and proprietary tools.As the guardian of our data model, you will serve as the critical link between Engineering and Analytics, ensuring that every Product Requirement Document (PRD) incorporates a comprehensive data strategy. You will report directly to the Vice President of Product.Key Responsibilities:Data Strategy & PRD Governance: Collaborate with vertical Product Managers and Engineering leads to embed data strategy into the design phase of new features, ensuring each PRD specifies data capture, storage, and validation protocols.Design Review: Serve as a technical reviewer for major product initiatives, probing critical aspects such as data model changes and potential duplicates in core applications.Standardization: Define and establish standards for data requirements within the Product team to maintain consistency across various squads.Core Application & Salesforce Data Integrity:Data Modeling: Oversee the logical data model within our Core Applications and Salesforce, ensuring a clean, normalized, and efficient schema as we scale.Lineage & Overrides: Manage data lineage logic to ensure integrity and accuracy throughout our systems.

Join Spotify's dynamic team as a Backend Engineer focused on our Platform. In this role, you will have the opportunity to design, develop, and maintain backend services that support our vast music streaming ecosystem. You'll work alongside talented engineers to deliver high-quality solutions that enhance user experience and drive innovation.

Role Overview Guidepoint is looking for a Senior Platform Engineer to strengthen infrastructure reliability and improve the developer experience. This hybrid role is based in Toronto, Ontario. What You Will Do Enhance the scalability and reliability of a Kubernetes-based cloud environment. Lead the shift toward a self-service platform model for internal teams. Apply software engineering principles to infrastructure challenges. Use Agentic AI to automate complex workflows and develop "Golden Paths" that reduce manual steps. Design and build software to manage and monitor Kubernetes clusters, focusing on resilience, cost-efficiency, and self-healing systems. Location and Work Model This is a hybrid position based out of Guidepoint's Toronto office.

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.

About Rootly At Rootly, we are dedicated to revolutionizing the way organizations manage incidents, ensuring that every company can operate with greater reliability. We achieve this by developing a state-of-the-art incident management platform that enables organizations globally to swiftly and effectively address incidents. Our mission goes beyond mere industry transformation; we are forging a brand-new multi-billion dollar segment and require exceptional talent to help us realize this ambitious vision. Rootly has garnered the trust of customers worldwide, including some of the fastest growing companies like NVIDIA, Figma, Canva, Tripadvisor, and Squarespace, who depend on our platform to streamline their critical incident management procedures. Our commitment to delivering a delightful enterprise-ready platform and a distinctive partnership model has resulted in glowing reviews—discover why we’ve earned 5 stars on G2. Our investors share our excitement. Rootly is backed by esteemed funds, including Y Combinator and leaders like the CTOs of Dropbox and GitHub. We are transparent about our financial health and progress, sharing insights during interviews and hosting monthly financial reviews for our team to stay informed about our business's status. Our ongoing developments are documented in our weekly changelog. About the Role This is a unique opportunity to join Rootly as an early engineer and significantly influence our growth journey. You will work on the infrastructure that supports incident response and on-call functions for some of the most innovative teams globally. This role transcends traditional operations; we seek software engineers passionate about infrastructure, developer experience, systems thinking, and dedicated to creating tools that enhance the reliability, performance, and scalability of our engineering organization. At Rootly, we prioritize speed, quality, and impact. Our engineers are encouraged to take initiative and produce high-leverage results—whether by automating processes to eliminate toil, enhancing our observability stack, or bolstering the resilience of our services. You will collaborate closely with product engineers and customers to ensure we remain proactive. If you excel in environments where accountability is paramount, excellence is expected, and reliability is essential, this is the ideal place for you. What You’ll Do Collaborate with product teams to improve the observability, reliability, and performance of their services. Manage our CI/CD pipelines, observability tools, monitoring systems, and incident response processes.