Backend Software Developer

Role Overview Robinhood Markets, Inc. is seeking a Backend Software Developer in Toronto, Canada. This role focuses on building and improving backend systems that support the trading platform. What You Will Do Design and implement backend systems for the trading platform Work with teams across engineering, product, and design to add and refine features Optimize system performance and support scalability as the platform grows

Join our dynamic team at Pigment as a Senior Backend Software Engineer. In this role, you will be instrumental in designing and implementing robust backend solutions that empower our innovative platform. You will collaborate with cross-functional teams to enhance system performance and scalability while ensuring a seamless user experience.

Be a part of the financial revolution!At Robinhood, our mission is to democratize finance for everyone. With an anticipated $124 trillion in assets being transferred to younger generations over the next 20 years, we are on the brink of the largest wealth transfer in history. If you're excited to play a pivotal role in this monumental shift in culture and finance, we want to hear from you!About the Team and RoleWe are assembling an exceptional team to tackle some of the most significant challenges in finance using cutting-edge technologies. We're seeking innovative thinkers, exceptional problem-solvers, and passionate builders who are eager to make a difference. Robinhood is a dynamic environment where high achievers excel and complacency is not an option. Our team operates with a strong ethical foundation, with high expectations and equally high rewards.The Backend Platform team is dedicated to facilitating rapid, secure, and dependable backend development at scale. We develop and maintain frameworks, libraries, and tools that empower hundreds of engineers across our backend services. By optimizing development workflows, enhancing security practices, and standardizing service architecture, our team significantly influences how swiftly and safely we deliver products to our customers. You will help build the foundation that backend engineers rely on every day!As a Senior Staff Software Developer, you will set the technical direction and spearhead large, cross-team initiatives aimed at enhancing backend system development and operations. You will architect and promote the adoption of essential platform capabilities like service frameworks, static analysis systems, and developer tools. This position focuses on addressing complex systemic challenges, shaping engineering practices across teams, and ensuring the long-term scalability and reliability of our backend development. You will also provide technical mentorship to engineers and contribute to the planning and execution of significant platform investments!This role is situated in our Toronto office, with an expectation of in-person attendance for at least 3 days a week.At Robinhood, we recognize the value of in-person collaboration in driving progress, fostering innovation, and building community. Our office environment is purposefully designed to be energizing and supportive of high-performing teams.

About Range Group Range Group supports professional travel advisors with technology and 24/7 support. The company manages $4.5 billion in annual travel sales and believes travel advisors make every trip better. Range Group also dedicates 10% of group profits to social impact through the Range Foundation, funding exploration, education, cultural projects, and crisis support worldwide. Location and Work Arrangement This role is based in Canada. For those near Toronto, the position is hybrid with two days each week at the office (2 Queen St. E). Candidates outside commuting distance may work from home. Role Overview The Senior Software Developer (Backend or Full-stack) joins a team focused on TripArc's ADX platform. This booking tool supports thousands of travel advisors across North America. While another team builds the next-generation platform, this pod keeps existing features evolving, making them faster, more reliable, and better aligned with user needs. This position suits a senior developer who enjoys backend challenges. Work changes from sprint to sprint: one cycle might refine payment flows, another could improve always-on service, and the next might focus on optimizing performance under heavy usage. The scope is broad, and priorities shift as needs arise. What You Will Do Enhance and maintain features on the ADX platform used daily by travel advisors Investigate issues, propose solutions, and scope tasks with Product and QA teams Deliver code that goes directly into production Work without waiting for detailed specifications, take initiative to solve problems See the direct impact of your work in how advisors use the platform How the Team Works Developers at Range Group use AI coding tools such as GitHub Copilot, Claude, or Cursor as a regular part of their workflow. These tools help speed up development and improve code quality, alongside thorough code review and testing. Experience with AI-assisted development is important for success in this role. Who Should Apply Senior developers with strong backend or full-stack experience Those comfortable with changing priorities and varied technical challenges People who work well with minimal direction and enjoy collaborating across teams Developers who have mastered AI-assisted coding tools

At Plusgrade, we believe travel is about the journey, not just the destination. Our mission is to redefine the future of travel by partnering with over 250 leading companies in the airline, hospitality, cruise, passenger rail, and financial services sectors. We focus on creating significant revenue opportunities through exceptional customer experiences. Emphasizing our core values of ambition, innovation, and collaboration, we are committed to exceeding expectations and fostering a culture of excellence. Join us as we turn ordinary travel into extraordinary experiences.ROLE OVERVIEW:As a Backend Developer specializing in Machine Learning within our ML Applications team, you will play a pivotal role in designing, developing, and deploying advanced machine learning solutions to tackle complex business challenges. This position demands a robust background in software development, a keen interest in innovative technologies, outstanding problem-solving abilities, and the capacity to thrive both independently and as part of a dynamic team.This position reports directly to the Director of ML Applications.KEY RESPONSIBILITIES:• Collaborate in a dedicated team focused on enabling machine learning applications across the organization.• Develop, scale, and operationalize state-of-the-art machine learning solutions.• Create scalable and resilient ML pipelines for predictive analytics, enhancing key performance indicators such as member engagement and revenue.• Implement robust monitoring processes for production ML pipelines.• Support production systems to deliver batch and real-time streaming model predictions.• Engage actively in solution design and modeling, ensuring adherence to best practices and ML architectural principles.• Partner closely with Product, Engineering, and Marketing teams to develop data-driven ML solutions addressing critical business questions.• Deploy models, assess their performance, and continuously refine them.• Oversee model retraining, drift monitoring, pipeline automation, quality control, and governance of production models.• Collaborate with the Operations team to ensure effective production support.CANDIDATE PROFILE:• Minimum of 4 years of experience in ML pipelines and ML-focused Python development.• Strong understanding of software engineering principles and practices.• Proficient in RESTful APIs.• Experienced in building ML and LLM-based recommendation systems.• Proven track record in designing and developing backend components optimized for low-latency and high-performance applications.

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.

Join Smile Digital Health as an Intermediate Backend Developer. In this pivotal role, you will collaborate with engineering teams to design, implement, and maintain key components of our innovative platform. This position offers the opportunity for autonomy, allowing you to contribute throughout the entire development lifecycle—from requirements analysis to final delivery. As you grow in this role, you will deepen your technical expertise, preparing you for future senior-level responsibilities.

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.

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.

Join Opendoor as a Software Engineer specializing in Backend Pricing, where you will play a pivotal role in shaping the future of real estate technology.As part of our dynamic team, you will develop innovative back-end solutions that enhance pricing algorithms, ensuring optimal performance and delivering a seamless user experience.

Marqeta is seeking skilled Senior Backend Software Engineers to become part of our dynamic Engineering team. In this role, you will develop high-performance software that supports Marqeta's backend services. Your responsibilities will include creating and reviewing engineering design documentation, enhancing our systems, infrastructure, and processes, developing new features, conducting code reviews, and collaborating with a diverse group of stakeholders across the organization. As a Backend Engineer, you will deliver meaningful products that contribute to Marqeta's position as a leader in modern card issuing. You'll have the opportunity to innovate on system architecture, produce impactful software, and mentor junior engineers. Participation in a rotational on-call pager duty is a required aspect of this role, with specifics varying by team. This will be discussed further during the interview process. We embrace a Flexible First approach, allowing this role to be performed remotely from anywhere within Ontario or British Columbia, Canada. We would love for you to join our team! This posting is for multiple Senior Software Engineering positions across Marqeta.

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.

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.

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.

Join our dynamic team at shyftlabs as a Senior Backend Developer. In this pivotal role, you will be responsible for building and maintaining robust server-side applications that power our innovative solutions. You will work closely with cross-functional teams to deliver high-quality software that meets our business needs.Your expertise in backend technologies will be crucial in optimizing our systems and ensuring scalability. If you are passionate about technology and eager to contribute to exciting projects, we would love to hear from you!

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.

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

Okta’s Privileged Access Management (PAM) group develops the core infrastructure that controls access to sensitive servers, databases, and cloud resources for large organizations. The team serves as a security layer, granting access only when needed and supporting both people and automated systems. Their work forms the foundation for the security of critical systems and enables multiple feature teams across Okta. Role overview The Backend Software Engineer will design and build distributed systems where accuracy and reliability are crucial. This role centers on developing core components that influence the performance, reliability, and usability of the PAM product. Enhancements in this area reach across the entire platform, supporting organizations as they protect their most important infrastructure. What you will do Build and maintain backend systems that manage privileged access to sensitive resources Work on distributed systems challenges to ensure high reliability and scalability Develop foundational software components used by multiple teams Focus on improving performance, reliability, and usability Contribute to an identity-centric approach for cloud environments Who thrives here Engineers who enjoy thinking about how complex systems connect and interact People with strong views on abstraction and a willingness to adapt as products change Those interested in solving real-world security and operational challenges at scale Individuals who value precision and care in their code Location This role is based in Toronto, Ontario, Canada.

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.

Join our dynamic team at Collabera as a Software Developer, where you will be at the forefront of innovative technology solutions. As a vital member of our development team, you will be responsible for designing, coding, and implementing software applications, ensuring they meet the highest standards of quality and performance.In this role, you will collaborate with cross-functional teams, participate in code reviews, and engage in problem-solving to enhance our software offerings. Your contributions will directly impact the efficiency and effectiveness of our projects.