Senior Backend Software Engineer

Role overview Canva is hiring a Staff Backend Engineer - Experiments in Sydney. This senior role focuses on building and maintaining backend systems that support experimental features. The work directly shapes how new ideas are tested and delivered, influencing both product growth and the user experience.

Role Overview Canva is hiring a Senior Staff Engineer to join the App Experiences team in Sydney. This senior position focuses on backend development, shaping the systems that support Canva's creative platform. The work centers on improving user engagement and streamlining operations across the app ecosystem. What You Will Do Lead backend engineering efforts for App Experiences, setting technical direction and standards. Design and refine backend systems to support new features and improve reliability. Collaborate with cross-functional teams to deliver solutions that fit Canva’s mission to empower creativity. Guide and mentor engineers, fostering technical growth and teamwork. What We Look For Extensive experience with backend development, ideally in large-scale or user-focused applications. Strong technical leadership and the ability to drive projects from concept to delivery. A track record of inspiring teams and building solutions that enhance both user experience and operational efficiency.

SafetyCulture is a leading global technology firm dedicated to revolutionizing workplace environments worldwide. Founded by Luke Anear after witnessing the tragic consequences of workplace incidents, our mission is to empower frontline workers through innovative mobile solutions. Our cutting-edge workplace operations platform equips teams with the essential knowledge, tools, and confidence to uphold high standards, ensure safety, and foster continuous improvement. The RoleAs a Staff Backend Engineer, you will significantly influence how SafetyCulture manages identity, access control, and permissions on a large scale. Your expertise will ensure that our platform is trusted across some of the world's most complex organizations. You will be responsible for making architectural decisions that will impact all teams utilizing our platform, setting the benchmark for designing and delivering security-critical systems. Technology StackOur modern tech stack includes Swift, Kotlin, C++, React.js for front-end, and Golang, Node.js for back-end, along with AWS, Kafka, and Kubernetes for infrastructure.

Join Canva as a Staff Backend Software Engineer on our User Platform team, where you will play a critical role in shaping the future of our product.In this position, you will be responsible for designing and implementing scalable backend systems that enhance user experiences. Collaborate with a talented team of engineers to build robust APIs and optimize performance across our platform.

At Mathspace, we're dedicated to transforming mathematics education through our innovative and interactive learning software designed for both students and teachers.As a product-driven, agile organization, we prioritize delivering exceptional value based on continuous customer feedback. Our goal is to create an engaging and rewarding educational experience for students and educators alike.As a Senior Backend Software Engineer on our cross-functional product team, your responsibilities will include:Enhancing the Mathspace web and mobile applications, which support hundreds of thousands of students worldwide each month.Collaborating closely with product owners and designers during product discovery.Working alongside fellow engineers to provide meaningful solutions for students and teachers.Addressing challenging technical problems with creativity and a commitment to continuous learning.Taking initiative and playing an active role in project development.Expanding your knowledge by developing and enhancing our technology stack.

At Ripple, we are revolutionizing the way value is transferred globally, just as information is shared today. Our cutting-edge crypto solutions empower financial institutions, businesses, governments, and developers to enhance the global financial system, fostering greater economic equity and opportunities worldwide. Join a dynamic team that supports your professional growth while you help us innovate.We invite you to make a significant impact on your career and the world by joining us in building tangible value.In 2025, Ripple expanded its capabilities by acquiring GTreasury, marking a pivotal entry into the multi-trillion-dollar corporate finance sector.GTreasury boasts over 40 years of experience serving some of the largest and most sophisticated corporations. By integrating its treasury command center with Ripple’s technology stack, we enable companies to manage and optimize liquidity in real-time, seamlessly across both traditional and digital assets.Become part of our mission to redefine corporate treasury and create the underlying infrastructure for the Internet of Value.We are looking for an innovative and visionary Senior Software Engineer who is passionate about developing a premier platform alongside a world-class team. You will drive technical excellence in software development, from design and implementation to maintenance, making significant contributions to our goals.

Why Join Heidi Health? Enjoy an additional paid day off to celebrate your birthday and wellness days. Benefit from a personal development budget of $500 per year to enhance your skills. Collaborate with talented engineers and creatives in a diverse, dynamic environment. Seize the unique opportunity to make a global impact as part of one of Australia's leading healthtech startups. Accelerate your career in a startup environment where your contributions are recognized and rewarded! Join us in reimagining primary care and transforming healthcare in Australia and beyond.About Your RoleWhat You’ll DoArchitect and develop backend services that drive LLM-based agents and clinical automation tools.Design secure and scalable APIs & data models that are observable and easily extendable by other teams.Optimize performance and manage costs by profiling hot paths, tuning databases, and right-sizing cloud resources.Automate quality assurance: create unit and integration tests, develop alerts, and manage on-call runbooks to ensure clinicians can trust every interaction.Collaborate with product, AI, and front-end engineers to rapidly deliver new capabilities from concept to production.What We’re Looking ForStrong foundation in software engineering; proficiency in Python is essential, but versatility across technologies is a must.Demonstrable experience in designing APIs (REST or GraphQL) and event-driven architectures (Kafka, Pub/Sub, etc.).A coding and architectural mindset—practical experience in test-driven development (TDD), AI coding, and microservices architecture.Expertise in databases—schema design, query optimization, and scaling for both relational and NoSQL systems.Proficiency in cloud platforms (GCP or AWS): containers, CI/CD, infrastructure as code, and security practices.History of designing and operating distributed systems with high reliability and scalability.Commitment to rigorous testing, code review, and documentation practices.

About OkendoAt Okendo, we believe that satisfied customers are the most effective marketers. Our mission is to forge deeper connections between consumers and their favorite brands through our innovative customer marketing platform.Okendo empowers Shopify brands to accelerate growth and enhance efficiency by fostering brand loyalty and maximizing customer lifetime value. Our integrated platform, complete with unique offerings for Reviews, Referrals, Quizzes, Loyalty, and Surveys, is trusted by over 16,000 Shopify brands to transform one-time buyers into devoted Superfans.Position OverviewAs a Senior Backend Engineer, you will join our Product Engineering team to enhance the Okendo platform, emphasizing engineering excellence with a product-oriented approach. You should have a solid grounding in software development principles and a demonstrated ability to produce clean, efficient code. Collaborating with cross-functional teams, you will design, develop, and implement software solutions that address business needs. Your responsibilities will include troubleshooting, testing, and deploying software while adhering to established coding standards and best practices.Our Tech Stack:Frontend:- Vue for embeddable widgets and consumer-facing components- Angular for merchant administration- React integrated with ShopifyBackend:- We utilize a serverless architecture on AWS, relying heavily on API Gateway for our APIs, CloudFront for CDN, and S3 for storage- Lambda (running Node.js) for computing tasks- DynamoDB serves as our primary data store, with replication into Redshift for reporting and OpenSearch for search and aggregation- SQS and SNS are employed for queueing and messagingLanguages & Tools:- Terraform for Infrastructure as Code- TypeScript is our selected language for the full stack- VS Code serves as our IDE- Jira facilitates our Scrum processesYour Impact:KnowledgeGain a comprehensive understanding of our system architecture, including the services utilized within our tech stack.Demonstrate proficiency in product features and their application.Understand team processes and standards.Showcase proficient technical expertise and problem-solving abilities.Possess a basic understanding of the organization and cross-functional teams.Delivering ResultsDevelop, test, and deploy software solutions effectively.Decompose intricate tasks into manageable parts.Estimate task durations and manage timelines efficiently.Plan and organize code modifications systematically.Identify potential impacts of solutions and engage key stakeholders.

About UsAt Heidi, we are revolutionizing healthcare with our innovative AI Care Partner, designed to assist clinicians throughout the entire care process, from documentation to actual care delivery.Our mission is to enhance healthcare capacity while ensuring that care remains deeply human-centered. In just 18 months, Heidi has successfully reclaimed over 18 million hours for healthcare professionals and facilitated more than 73 million patient visits. Currently, our technology supports over two million patient visits weekly across 116 countries and in more than 110 languages.Founded by a team of clinicians, Heidi unites a diverse group of engineers, designers, scientists, and creatives, all driven by a common goal: to reinforce the human connection at the core of healthcare.With nearly $100 million in funding, we are expanding our services into the USA, UK, Canada, and Europe, collaborating with major health systems such as the NHS, Beth Israel Lahey Health, MaineGeneral, and Monash Health.We pride ourselves on our agility and commitment to evidence-based practices as we shape the future of healthcare. Are you ready to take on this challenge?Position OverviewAs a Senior Software Engineer specializing in backend development, you will be pivotal in executing backend features with a comprehensive technical understanding that aligns with user requirements. Your experience in a rapidly growing startup and expertise in building Software as a Service (SaaS) products will be invaluable.You will possess a profound awareness of the challenges engineers encounter and a solid grasp of design principles necessary for prioritizing critical features and capabilities.Your unique ability to seamlessly bridge technical intricacies and business objectives allows you to transform high-level designs into practical, real-world solutions.You excel in dynamic environments, appreciating the flexibility of a flat organizational structure. Your quick understanding of the complexities involved in developing AI-driven healthcare products on an international scale sets you apart.We believe that exceptional talent can emerge from unexpected backgrounds; if you have a proven history of delivering technically challenging products and features, we want to hear from you.Your Responsibilities:Independently produce robust and elegant code, emphasizing code structure, design, and scalability.Implement...

About UsAt Heidi, we are pioneering an AI Care Partner designed to assist clinicians at every stage of the healthcare process, from documentation through to care delivery.Our mission is to double the capacity of healthcare while ensuring that care remains deeply personal. In just 18 months, Heidi has reclaimed over 18 million hours for clinicians and facilitated more than 73 million patient visits. Currently, we support over two million patient visits weekly across 116 countries and in more than 110 languages.Founded by healthcare professionals, Heidi unites a diverse team of clinicians, engineers, designers, scientists, creatives, and mathematicians, all dedicated to enhancing the human connection at the core of healthcare.With nearly $100 million in funding, we are expanding our reach in the USA, UK, Canada, and Europe, collaborating with leading health systems including the NHS, Beth Israel Lahey Health, MaineGeneral, and Monash Health.We are agile, innovative, and grounded in proven methodologies, ready to shape the next era of healthcare. Are you up for the challenge?Your RoleAs a Senior Software Engineer, you will be tasked with developing backend features that effectively meet user needs. Your experience in a high-growth startup environment and proficiency in building SaaS products will be essential.You should possess a deep understanding of the challenges engineers face and a solid grasp of design principles to prioritize essential features and functionalities.Your unique ability to connect technical details with business objectives will allow you to transform high-level designs into tangible solutions.You excel in challenging environments and thrive in a flexible, flat-structured workplace. Your ability to navigate the complexities of developing an AI healthcare product on an international scale will be invaluable.We believe that exceptional talent can emerge from various backgrounds; if you have a proven track record of delivering technically demanding products and features, we would love to hear from you.Your TeamYou will be part of a team focused on creating the collaboration layer that enables clinicians to work together seamlessly for improved patient care, spanning from small clinics to large hospital networks. Your contributions will enhance features such as direct sharing, role-based access, and detailed permissions using advanced technology inspired by Project Zanzibar. Every feature you develop will ensure patient data security while minimizing barriers that hinder clinical teams.

Role Overview blinq is hiring a Full Stack Engineer focused on backend development in Sydney, New South Wales. This role centers on building and maintaining scalable backend systems that power our applications. The work supports both product features and smooth user experiences. What You Will Do Design, develop, and maintain backend services and APIs Work closely with engineers, designers, and product teams to deliver features Contribute to system architecture and technical decisions Help improve performance, reliability, and scalability across our platforms

Join our innovative team at Canva as a Senior Backend Engineer specializing in our cutting-edge Video AI Engine. You will be instrumental in developing robust backend systems that empower our video AI capabilities, enhancing user experience and engagement. Collaborate with cross-functional teams to design, implement, and optimize services that handle large-scale video processing.

About UsAt Heidi, we are pioneering an AI Care Partner designed to assist clinicians throughout their workflow, from documentation to the delivery of patient care.Our mission is to enhance healthcare capacity while ensuring that care remains profoundly human-centered. In just 18 months, our innovative solutions have reclaimed over 18 million hours for clinicians and facilitated more than 73 million patient visits. Currently, Heidi is instrumental in over two million patient interactions weekly across 116 countries and in more than 110 languages.Founded by healthcare professionals, our team comprises clinicians, engineers, designers, scientists, and mathematicians, all united by a common goal: to reinforce the human connection at the heart of healthcare.With nearly $100 million in funding, Heidi is on an expansion trajectory across the USA, UK, Canada, and Europe, collaborating with leading health systems such as the NHS, Beth Israel Lahey Health, MaineGeneral, and Monash Health.We prioritize agility in critical areas while remaining committed to proven methodologies, all in an effort to shape the future of healthcare. Are you ready to take on this challenge?Join Our TeamBecome part of a team dedicated to creating the world’s finest AI Scribe, allowing clinicians to concentrate on patient care rather than paperwork. You will engage in tasks such as audio transcription, automated note generation, and clinical workflow automation, assisting doctors, nurses, and healthcare professionals from diverse backgrounds. We pride ourselves on being a close-knit team that improves every situation we encounter, tackling complex technical challenges related to ambient workflows while delivering features that save clinicians hours each day.Your RoleIn collaboration with our Engineering Manager for Transcription and Note Generation, you will serve as a Senior Software Engineer, leading the development of AI-driven solutions that transform clinical dialogues into structured medical documentation, allowing clinicians to dedicate more time to patient care and less to administrative duties.You thrive in challenging environments and embrace the dynamics of a flexible, flat-structured workplace. Your expertise in navigating the intricacies of developing AI solutions for the global healthcare landscape will be invaluable.Key Responsibilities:Design and implement robust, scalable systems for real-time processing and analysis of clinical conversations.Collaborate with our AI/ML team to enhance and optimize medical speech transcription and documentation processes.

Join Canva as a Senior Backend Engineer and play a crucial role in shaping the future of Teams and Education. In this position, you will develop scalable backend systems using Java, collaborating with cross-functional teams to deliver high-quality software solutions. Your expertise will help enhance the learning experience for millions of users globally.

About Speechify Speechify is changing how people access information. Our tools let users listen to articles, documents, and books wherever they are, at work, on the go, or at home. By focusing on accessibility and engagement, we aim to make learning easier for everyone. We lead our category and continue to see rapid growth, much like how streaming services changed audio entertainment. Role Overview: Senior Software Engineer - Core Experiences The Core Experiences Team builds and maintains the core services and SDKs that power Speechify’s product across multiple platforms. This senior engineering role suits someone who enjoys working at the intersection of product and infrastructure, thinks strategically, and values building clear APIs and efficient systems that elevate user engagement. What You Will Do Work closely with Speechify’s Product Teams to define project scopes, identify ways to speed up customer feedback, and manage integration and UX trade-offs across teams. Deliver solutions through our cross-platform SDK. Improve existing features for faster load times and smarter parsing by designing better abstractions and refining algorithms. Build cloud functions, lightweight backend services, and background jobs using Kotlin. Location This position is based in Sydney, Australia.

Location : Sydney, AU, Hybrid (3 days in office required)About Us At Relevance AI, we are pioneering the future of the AI workforce. Our mission is clear: to empower teams to effortlessly delegate significant tasks to AI agents that operate, think, and collaborate like experts. With Relevance AI, anyone can create and manage intelligent agents designed to handle workflows, decisions, and collaboration—all within one cohesive platform. Our technology empowers industry leaders like Canva, Databricks, Confluent, Autodesk, Lightspeed, Rakuten, Aveva, Qualified, and Activision Blizzard, enabling them to enhance their operations, marketing, and sales efforts.Backed by prominent investors such as Bessemer Venture Partners, Insight Partners, Peak XV, and King River Capital, we successfully raised our Series B round in April 2025 to accelerate our growth and expand the possibilities of agentic automation.With our headquarters in both San Francisco and Sydney, we thrive in a hybrid work environment that fosters curiosity, collaboration, and execution. We are known for moving quickly, thinking big, and achieving together. In 2025, we proudly earned the title of LinkedIn’s #1 Startup in Australia.If you’re passionate about redefining the way the world interacts with AI, we invite you to join our team.The Role We are looking for a Staff Software Engineer to become a key member of our Builders team based in Sydney. This team is dedicated to enhancing the core builder experience on the Relevance AI platform, focusing on our agent builder, tool builder, and workforce builder functionalities. Your primary goal will be to improve the platform for our customers who are building agents and automation workflows.In this pivotal role, you will provide technical leadership and drive execution within the Builders team, collaborating closely with product, engineering, and go-to-market teams to deliver robust enterprise-grade capabilities and backend systems. This position offers high visibility and significant autonomy, allowing you to design complex systems and shape architecture across teams, with your contributions directly impacting customer outcomes.Every engineering team at Relevance AI is exploring different frontiers of the AI workforce, from enabling individual builders to scaling enterprise-grade AI systems utilized by thousands globally. This role is at the forefront of that mission, creating systems that make AI practical, reliable, and ready for production.At Relevance AI, your work will reach customers within hours, providing a unique opportunity to see the immediate impact of your innovations.

About UsAt Heidi, we're on a mission to revolutionize healthcare by creating an AI Care Partner that assists clinicians throughout the entire care process, from documentation to delivery.Our goal is to double the capacity of healthcare while ensuring that care remains deeply human. In just 18 months, Heidi has successfully reclaimed over 18 million hours for clinicians, enabling more than 73 million patient visits. Currently, our technology supports over two million patient visits weekly across 116 countries and in over 110 languages.Founded by a group of clinicians, our team consists of engineers, designers, scientists, creatives, and mathematicians, all united by a common purpose: to enhance the human connection at the core of healthcare.With nearly $100 million in funding, we are expanding our reach into the USA, UK, Canada, and Europe, collaborating with major health systems such as the NHS, Beth Israel Lahey Health, MaineGeneral, and Monash Health, amongst others.We act swiftly where it counts while remaining grounded in proven practices, shaping the future of healthcare. Are you ready to take on this challenge?The PositionWe are seeking a Senior Software Engineer with expertise in backend development, particularly in Authentication and User Management. You will be instrumental in executing backend features, with a keen understanding of user needs and the technical aspects that support them. Previous experience in a hyper-growth startup and building SaaS products is essential.You will have a profound grasp of the challenges engineers face and a solid understanding of design principles, enabling you to prioritize critical features and capabilities effectively.Your unique ability to seamlessly connect technical specifications with business requirements will enable you to transform high-level designs into practical solutions. You thrive in dynamic environments and appreciate the nuances involved in developing AI healthcare products on a global scale.We value diverse backgrounds, so if you have a proven track record of delivering technically challenging products and features, we invite you to apply.Your TeamYou will be part of a team that is building the infrastructure allowing hospitals and healthcare organizations to integrate with Heidi in mere hours rather than weeks, ensuring enterprise-grade security that IT teams can trust. Your contributions will empower clinicians to collaborate effectively while safeguarding patient data, allowing them to focus more on patient care.Key Responsibilities:Develop...

Join Canva as a Software Engineer Intern for the 2026/27 cycle, where you will have the opportunity to work on innovative projects that shape the future of design. You will be part of a dynamic team that values creativity and collaboration, contributing to both frontend and backend development.As an intern, you will gain hands-on experience, enhance your technical skills, and receive mentorship from experienced engineers. This is an excellent chance to kickstart your career in software engineering within a vibrant, supportive work environment.

The Backend Workflows Team at Canva is hiring a Senior Python Software Engineer. This team builds backend solutions that support user experience and streamline internal workflows. The position is fully remote within Australia and New Zealand. Role overview This role centers on designing and developing scalable backend systems using Python. The work involves applying software design patterns and working with cloud technologies to create efficient, reliable solutions. Collaboration with other engineers is a key part of the job, as the team values knowledge sharing and joint problem-solving. What you will do Contribute to the architecture and implementation of backend services Work with Python and cloud platforms to deliver robust workflow solutions Collaborate closely with team members to solve complex engineering challenges Requirements Strong experience with Python development Familiarity with cloud technologies and backend system design Comfort working in a collaborative, distributed team Based in Australia or New Zealand (remote work supported)