Senior Backend Software Engineer

About Our TeamThe New Ventures team at HelloFresh is dedicated to expanding our global presence by introducing our core products to new markets and exploring various brands and verticals. As a diverse and globally distributed team, we operate across over 7 brands in more than 15 countries, creating innovative products and engaging experiences that delight customers. With numerous exciting projects in progress, we are motivated to build the next billion-dollar business. If you thrive on bold challenges, we want you on our team!Our team is a collaborative mix of engineers, designers, and product owners, united in our mission to tackle fascinating e-commerce and supply chain challenges related to food consumption. This includes enhancing user experiences to simplify food purchasing and developing robust software solutions to support our distribution centers.We are seeking a talented engineer to help us create elegant solutions and write high-quality code while collaborating with various team members to enhance our consumer-facing applications and the underlying infrastructure. As a part of our Toronto team, you will work alongside skilled engineers who, in partnership with our global teams, have established HelloFresh as the premier meal delivery service worldwide!

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 Clutch At Clutch, we are dedicated to transforming the way individuals buy, sell, and own vehicles. Are you ready to be part of this exciting journey? As the largest car buyer and seller in Canada, Clutch provides a unique digital-first experience, allowing customers to explore thousands of vehicles online, have their selections delivered directly to their homes, and enjoy peace of mind with our 10-Day Money-Back Guarantee. Looking to sell your vehicle? We purchase over $3 million worth of cars daily, offering instant, AI-generated offers every 15 seconds. Selling to us means immediate payment—now that’s the Clutch way! For four consecutive years, we've been featured on The Globe & Mail’s list of Canada’s Top Growing Companies, and have achieved back-to-back recognitions on Deloitte’s Technology Fast 50™ and Fast 500™. We are in search of curious, driven, and hardworking individuals to join our expanding team. Founded in 2017 and headquartered in Toronto, Clutch operates across Ontario, New Brunswick, Nova Scotia, and Prince Edward Island. Our esteemed investors include Altos Ventures, Canaan, FJ Labs, BrandProject, and Upper90. To learn more, visit clutch.ca. Consumer Financing at Clutch: We are on a mission to create a seamless car buying and ownership experience, with financing being a pivotal element in this journey. We are developing our consumer financing capabilities from the ground up to provide customers with a straightforward, transparent method for financing their vehicles, while supporting Clutch’s growth with a scalable and disciplined lending platform. In this role, you will contribute to shaping our lending strategy, risk management framework, and operations as we bring this innovative business to fruition. About the Role: We are looking for an experienced and entrepreneurial Head of Consumer Financing to lead and scale Clutch’s financing operations. This position will be instrumental in building our lending infrastructure, crafting credit strategies, and optimizing portfolio performance. You will play a vital role in defining the future of auto financing in Canada by developing strategies that enhance loan performance, strengthen customer relationships, and promote sustainable growth. This is a unique opportunity for a builder—someone who thrives in dynamic environments and is eager to create something innovative from the ground up. What You’ll Do: Lending Strategy & Originations: Spearhead the development and execution of lending strategies that enhance origination volume, funding efficiency, and credit quality. Establish and refine underwriting criteria, pricing strategies, and...

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.

About the Team The Production Scheduling Technology team is at the forefront of automating and optimizing how HelloFresh orchestrates its meal production processes. We have successfully launched a next-generation internal system that automates the entire planning workflow, significantly impacting how millions of meals are distributed throughout our network. As we enhance this system and prepare for future growth, we are seeking a Senior Backend Engineer with robust backend expertise, a knack for transforming intricate logic into effective and dependable systems, and a moderate understanding of full-stack development to support our internal applications. We prioritize candidates who can contribute to our mission at HelloFresh. We value diverse experiences and believe that anyone can excel in this role, so we encourage you to apply even if you don't meet every single requirement. Responsibilities Develop, enhance, and share ownership of a Python-based algorithmic engine that fuels automated planning, incorporating deterministic logic and constraint-based components. Create, develop, and sustain backend services utilizing FastAPI, ensuring scalable and reliable API interactions with our internal applications. Engage in the complete technology lifecycle, including architecture, implementation, deployment, and operations within our advanced tech stack (EKS, RDS, S3, ElastiCache, Glue, etc.). Collaborate with engineers, analysts, and planners to translate domain insights into robust and maintainable system logic. Advance the platform towards an event-driven architecture using technologies such as Kafka. Assist with frontend requirements for our internal React application, ensuring seamless integration between frontend and backend systems. Enhance system reliability through automated testing, performance optimization, and thoughtful design principles. Foster a culture of knowledge sharing and collective ownership through pairing, design discussions, and collaborative learning. Contribute to the strategic direction of an innovative system. Qualifications Proven experience in backend development, particularly with Python and FastAPI. Strong understanding of API design and microservices architecture. Experience with event-driven systems and related technologies (e.g., Kafka). Familiarity with cloud services and infrastructure (AWS, EKS, RDS). Ability to work collaboratively in a team-oriented environment. Excellent problem-solving skills and attention to detail. A proactive attitude towards learning and sharing knowledge.

At Movable Ink, we specialize in taking content personalization to the next level for marketers, utilizing data-driven content generation and AI decisioning. Our innovative solutions are trusted by some of the world's leading brands to enhance revenue, streamline workflows, and increase marketing agility. With our headquarters in New York City and a talented team of nearly 600 professionals, we proudly serve clients across North America, Central America, Europe, Australia, and Japan.As a member of our Analytics team, you will play a pivotal role in measurement, attribution, and the development of an intuitive reporting interface for our digital marketing platform. This is a rare opportunity to influence how marketers perceive and engage with data—turning raw metrics into actionable insights that drive impactful campaigns and deliver tangible business outcomes. Join us to make a significant contribution to a rapidly growing team, take command of innovative projects, and collaborate with cross-functional partners to create a product that marketing teams depend on daily.

NimbleRx is a pioneering healthtech company dedicated to transforming the way individuals access, understand, and manage their healthcare. Our journey begins with the ambition to create the world's most beloved pharmacy business. As a rapidly expanding, tech-centric startup, we are committed to enhancing the experiences of both patients and pharmacists. At Nimble, we cultivate a collaborative culture that encourages open communication and purposeful action, empowering us to tackle today's most exciting challenges and achieve rapid growth.* Please note: Sponsorship options are limited as Nimble does not have an entity established in Canada.As a Senior Backend Engineer, you will play a crucial role in designing the technology and customer experiences that are essential to our various web products serving patients, pharmacies, and other clients of NimbleRx (www.nimblerx.com). You will collaborate with a team of exceptional and driven software engineers who prioritize performance, reliability, and scalability in their work. Your contributions will involve close cooperation with other developers, product management, and design teams to define feature requirements and technical use cases, ensuring timely delivery of high-quality code.Our engineering culture: We embrace a philosophy of shared trust and humility, fostering a sense of unity as we collaboratively navigate the challenges of a fast-growing business. Our daily operations reflect our core values of empathy, simplicity, autonomy, leadership, ownership, curiosity, a bias for action, and mentorship, all within a highly cooperative environment.

About FeatheryFeathery revolutionizes data intake workflows for insurance and wealth management firms. Industry leaders depend on Feathery to streamline crucial operations such as underwriting, client onboarding, and automated account openings.With significant revenue growth and increasing demand from enterprises, we are expanding our engineering team to handle progressively intricate, data-driven workflows across our platform.Why We’re HiringAs Feathery continues to grow, so does the complexity and scale of the systems that support our product—ranging from document processing pipelines to real-time workflow execution.We are seeking a Senior Backend Engineer to assist in constructing and scaling the foundational infrastructure behind our document intelligence and workflow platform. This role is perfect for someone who enjoys designing reliable, high-performance systems and taking charge of backend architecture in a rapidly growing B2B SaaS environment.You will collaborate closely with product, engineering, and customer-facing teams to deliver systems that are swift, resilient, and finely tuned to customer requirements.About the RoleThis is a high-ownership role that encompasses:Backend system design and distributed architectureInfrastructure, scalability, and performance optimizationProduct-focused engineering and problem-solvingCross-functional collaboration across product and customer teamsYou will play a pivotal role in shaping the systems that drive Feathery’s platform—ensuring they are reliable, scalable, and capable of managing complex, real-world applications.What You’ll DoBackend Systems & InfrastructureDesign, build, and scale backend services that facilitate document processing and workflow automationDevelop asynchronous pipelines and distributed systems for managing large data volumesConstruct and maintain infrastructure utilizing AWS services and queuing systems (e.g., SQS)Guarantee high availability, fault tolerance, and observability across systemsOptimize systems for performance, scalability, and cost-efficiencyData Processing & Platform CapabilitiesEstablish systems for processing and transforming both structured and unstructured dataIntegrate data sources and ensure seamless data flow

About OLIXAt OLIX, we are at the forefront of a technological revolution, tackling the rapid growth of AI and the critical infrastructure challenges it presents. As demand skyrockets, we are ushering in a new era with our Optical Tensor Processing Unit (OTPU), designed to outperform traditional chips in both speed and energy efficiency.The Role:As the Engineering Manager for the Backend Compiler, you will spearhead a dynamic team of six engineers dedicated to developing and enhancing the OTPU compiler backend. Your role will involve close collaboration with frontend compiler, architecture, and ASIC teams, ensuring seamless integration for optimal hardware-software performance and production quality.We seek a visionary leader with a proven track record in engineering management who can cultivate a high-performing team and drive impactful results aligned with business objectives. Your technical expertise and leadership will be crucial in fostering a culture of collaboration and decisive execution.

About Equitable Bank Equitable Bank, recognized as Canada's Challenger Bank™, serves over 800,000 customers nationwide. With more than $142 billion in assets under management and a wholly owned subsidiary (Concentra Bank) supporting credit unions and their six million members, the organization has spent 50 years pushing for change in Canadian banking. The EQ Bank digital platform has earned recognition from Forbes as one of the top banks in Canada since 2021. Role Overview: Senior Backend Engineer Based in Toronto, the Senior Backend Engineer will join the Fraud Engineering team at EQ Bank. This group builds and maintains the infrastructure that protects customer interactions, including onboarding, transactions, account changes, and fund transfers. The focus is on developing transparent, reliable, and responsible systems that keep customers safe without sacrificing agility. What You Will Do Design, build, and maintain backend services that support fraud prevention and detection across the bank's digital platforms. Take full ownership of services, from initial design through deployment and ongoing support. Develop systems that are observable and explainable in runtime, making it easier to monitor and understand behavior. Implement clear service ownership and well-defined, testable contracts between systems. Ensure new protections are introduced in a safe and predictable way, especially as system complexity grows. What We Value Curiosity about system behavior, especially in risk, failure, and edge-case scenarios. Commitment to building reliable and transparent backend solutions. Comfort with taking end-to-end responsibility for services. Desire to work in a team that challenges traditional banking norms and seeks creative solutions. Location This position is based in Toronto.

jerry.ai is searching for an Engineering Manager to lead the Core Product Engine team based in Toronto. This role centers on guiding backend system development and driving improvements that support product value for users. The position calls for a leader who can balance technical direction with team growth. Key Responsibilities Direct the design, development, and maintenance of backend systems that power the Core Product Engine. Collaborate with teams across jerry.ai to ensure technical solutions support broader product objectives. Champion technical quality, encourage fresh approaches, and support ongoing improvement within the team. Requirements Proven experience managing engineering teams, especially those focused on backend systems. Strong ability to collaborate and communicate with cross-functional partners. Dedication to building a culture that values innovation and high standards.

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 jerry.ai seeks an Engineering Team Lead to manage backend development for the Core Product Engine in Toronto, Ontario. This position centers on guiding a team of engineers through every stage of the software development process. The Team Lead will take ownership of delivering backend solutions that are both reliable and scalable, while also helping to shape the technology stack and product direction. What you will do Mentor and support a group of backend engineers Lead the design, development, and deployment of scalable backend systems Oversee the full software development lifecycle, from planning through release Work closely with product and engineering leaders to define technical direction Uphold strong standards for code quality and system reliability Requirements Previous experience leading engineering teams Solid background in backend development Proven ability to deliver high-quality, scalable solutions Interest in shaping technology choices and product strategy

Join our dynamic Data Intelligence team at Achievers, where we develop innovative backend services that transform data from our SaaS platform into actionable insights that drive success for our customers. We are revolutionizing data utilization at Achievers by providing high-impact, intelligent services that redefine workplace efficiency. Our technology stack includes microservices crafted with Python and Go, deployed on Google Cloud Platform (GCP) and Kubernetes. Be a part of a team that aims to create seamless, intelligent, and delightful user experiences while tackling real engineering challenges at scale.

Join Stripe as a Backend/API Engineer specializing in Billing, where you will play a crucial role in enhancing our platform's capabilities. You will be responsible for designing and developing RESTful APIs that integrate seamlessly with various services, ensuring robust performance and scalability. Collaborate with cross-functional teams to create innovative solutions that enhance user experience and drive business growth.

About BreeBree is transforming the consumer finance landscape by providing innovative, efficient, and cost-effective financial services to over half the Canadian population living paycheck to paycheck. Operating within a vast yet underrepresented market, we aim to be the most affordable and reliable provider of short-term credit for the 20 million Canadians facing financial challenges.With over 600,000 Canadians already benefiting from Bree's services, we are just beginning our journey. Our company is experiencing rapid growth, achieving product-market fit, and is positioned to become a leading FinTech player in Canada. With annualized revenues in the eight-figure range, we are on a double-digit growth trajectory, maintaining profitability and an impressive employee retention rate. As a proud participant of Y Combinator in 2021, we successfully secured a $2 million seed funding shortly thereafter.About the RoleWe are seeking a talented Backend Software Engineer to lead the architectural development of our serverless infrastructure, utilizing the latest AI development tools. The ideal candidate will possess extensive backend experience, a dedication to creating clean and maintainable systems, and an innovative mindset towards AI-assisted development.What You'll DoArchitect and advance our serverless backend systems with an emphasis on scalability, maintainability, and enhancing the developer experience.Refactor and modernize our existing Lambda-based microservices architecture to implement patterns that optimize AI tool effectiveness.Create and maintain robust data pipelines and payment processing systems across various providers.Promote best practices in AI-native development, establishing patterns and abstractions that foster rapid iteration with tools such as Cursor and Claude Code.Collaborate with infrastructure engineers to refine our AWS-based architecture using Infrastructure as Code.Drive the consolidation and standardization of our data layer across Supabase, Firebase, and legacy systems.What You'll NeedExpert-level proficiency in TypeScript, Node.js, and AWS services.Demonstrated experience with serverless architectures and microservices.Strong understanding of database systems and data modeling.Familiarity with AI development tools and methodologies.Excellent problem-solving skills and a proactive approach to development challenges.

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.

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.

Join Us at HarveyAt Harvey, we are revolutionizing the landscape of legal and professional services. Our approach is not merely incremental; we are committed to a comprehensive transformation. By leveraging cutting-edge AI technologies, a robust enterprise platform, and profound expertise in the domain, we are redefining how critical knowledge work is executed for generations to come.This is an exceptional opportunity to contribute to a generational company at a pivotal moment in its growth. With over 1,000 clients across 58 countries, a strong product-market fit, and support from world-class investors, we are experiencing rapid growth and creating a new category in real-time. The challenges are ambitious, the standards are high, and the potential for personal, professional, and financial growth is unparalleled.Our team consists of sharp, motivated individuals who are deeply dedicated to our mission. We operate with urgency, take ownership of our challenges, and are committed to delivering impactful solutions — from initial concepts to long-term results. We maintain close relationships with our customers, from leadership to engineers, collaborating to address real problems with urgency and care. If you thrive in dynamic environments, strive for excellence, and wish to influence the future of work alongside high-achieving peers, we invite you to build with us.At Harvey, we are scripting the future of professional services today, and we are only just beginning.Role SummaryAs a Backend Software Engineer at Harvey, you will be instrumental in building the foundational infrastructure of our product platform, while also developing user-facing features for some of the world's leading law firms and enterprise clients. This team is responsible for the platform layer that ensures secure, reliable, and adaptable experiences for our customers, including notifications, permissions, and feature flag infrastructure. Additionally, we create enterprise-grade collaboration tools tailored for law firms.You will design systems that serve as critical infrastructure for the wider company, directly influencing how our users engage with Harvey's AI-driven legal tools. This position is perfect for engineers eager to oscillate between in-depth platform architecture and hands-on product development.This position is based in Toronto, Canada. We operate on a hybrid model, with a requirement of 3+ days in the office per week, and we offer relocation assistance to new hires.