Senior Backend Software Engineer

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 …

Join Deputy, a leading global SaaS workforce management company, headquartered in Sydney, and recognized as a Unicorn with over 1.5 million workers and 375,000 workplaces utilizing our innovative platform across 100+ countries. Our mission focuses on enhancing the work experience for hourly workers—those essential team members in various sectors, from hospitality to healthcare. At Deputy, we prioritize transforming the frontline of work, ensuring businesses thrive while keeping their workforce engaged and satisfied. As we evolve into an AI-native organization, you'll be encouraged to leverage AI tools in your daily tasks. We provide the training and support necessary to utilize AI creatively and responsibly, enabling you to generate innovative solutions and streamline problem-solving. If you are driven by the desire to create impactful solutions that prioritize people and enhance business operations, we invite you to be part of our journey at Deputy!In this pivotal role within our Pay Rates domain, you will contribute to the development of next-generation pay interpretation and compliance features, automating complex award and agreement logic while delivering exceptional user experiences. Your expertise will drive strategic initiatives, ensuring quality outcomes and facilitating collaboration across product, design, and leadership teams to enhance our platform for millions of users, from SMEs to large enterprises.Each day, your contributions—from user-facing experiences to backend APIs—will empower and uplift the livelihoods of millions globally.

Location: Sydney, Australia (hybrid, three days per week in the office) Relevance AI develops tools for teams to delegate meaningful work to AI agents that think, act, and collaborate like seasoned professionals. The platform allows organizations to create and manage intelligent agents for workflow automation, decision-making, and collaboration. Clients include Canva, Databricks, Confluent, Autodesk, Lightspeed, Rakuten, Aveva, Qualified, and Activision Blizzard, who use these solutions to improve operations, marketing, and sales. The company is backed by Bessemer Venture Partners, Insight Partners, Peak XV, and King River Capital. In April 2025, Relevance AI completed its Series B funding round to accelerate growth and expand agentic automation. With headquarters in San Francisco and Sydney, the team works in a hybrid model that emphasizes curiosity, teamwork, and strong execution. LinkedIn named Relevance AI Australia’s #1 Startup in 2025. Role overview The Senior Software Engineer (Chat) will join the Chat team in Sydney. This group builds the conversational interface for Relevance AI’s platform, enabling users to interact with pre-built AI agents, productivity tools, and research workflows. The Chat product relies on a scalable back-end to support real-time, agent-driven conversations. Engineering teams at Relevance AI address a range of challenges, from supporting individual creators to building systems for enterprise clients. This role helps shape systems that make AI accessible, reliable, and production-ready. What you will do Develop and enhance the back-end for Chat, enabling real-time, agentic interactions Work with a modern technology stack, refined for speed and rapid iteration Lead major projects and provide mentorship to teammates See your contributions reach customers quickly, often within hours Work in an environment that values independence and minimizes unnecessary process Work environment Relevance AI provides a supportive, fast-moving setting focused on innovation and collective achievement. Engineers are encouraged to take initiative and can see the direct results of their work.

Role overview Speechify is hiring an iOS Core Product Software Engineer in Sydney, Australia. This role focuses on building and improving iOS applications that help users interact with content in new ways. The team values collaboration and creative problem solving. What you will do Design and develop features for Speechify’s iOS apps Work closely with teammates to deliver a smooth user experience Apply modern technologies to solve real user problems What we look for Experience developing iOS applications Interest in working on core product features Comfort working in a collaborative, creative environment

Join Our TeamAt Q-CTRL, our Sensing Engineering team is at the forefront of transforming quantum research into tangible solutions for pressing real-world challenges. We specialize in the design, development, and field validation of advanced quantum sensors that underpin our flagship products, including Ironestone Opal, a revolutionary solution for navigation in GPS-denied environments.No prior experience in quantum technology is necessary to make a significant impact at Q-CTRL. We prioritize strong engineering principles, a product-oriented approach, and a passion for tackling complex engineering challenges in quantum sensing.Role OverviewWe are on the lookout for a talented Embedded Software Engineer to create firmware that drives our control, sensing, and actuation systems, automating the operations of our quantum sensors. Your primary focus will be on developing new applications on the Xilinx Zynq + Embedded Linux platform, collaborating closely with research scientists to propel scientific progress and showcase our technology in real-world environments. The firmware you develop will involve real-time constraints, data acquisition, signal processing, sequence execution, network communication, and hardware/FPGA interfacing. You will be part of a dynamic team dedicated to advancing quantum sensing technologies for defense and aerospace applications, working alongside experts in areas such as cold-atom interferometry, magnetometry, and inertial navigation.

Join Canva as a Backend Software Engineer focused on enhancing our product features. Work remotely within Australia and New Zealand, contributing to a collaborative and innovative team. You will play a pivotal role in developing scalable backend systems using Java, ensuring our platform remains robust and efficient.

About ShiftCare ShiftCare builds software for home health providers, helping care teams deliver support efficiently and with confidence. Based in Sydney, we serve clients across the ANZ region and continue to grow quickly in the homecare technology space. Role Overview: Business Development Representative This outbound-focused role is central to ShiftCare’s expansion. The Business Development Representative connects with small and mid-sized businesses, qualifying leads and supporting our sales pipeline. The position is based in Sydney, New South Wales. Main Responsibilities Lead Generation: Identify and qualify potential customers through outbound calls and emails. Demo Scheduling: Set up and coordinate product demonstrations for the Account Executive team. Campaign Collaboration: Work closely with Marketing on outbound campaigns that increase ShiftCare’s market reach. Relationship Development: Build and maintain connections with prospects, nurturing both new and existing relationships. Sales Support: Independently close sales when possible, contributing directly to company growth. What Makes ShiftCare Different? ShiftCare values continuous improvement and a commitment to quality. The team is driven to improve the way care is delivered, with a focus on practical solutions and collaboration. Every team member plays a part in our mission to support care providers and their clients.

The Hextech Gameplay team at Riot Games is at the forefront of developing innovative engine technologies and tools that empower the creation of immersive gameplay experiences within League of Legends. Join our dynamic team and help shape the future of gaming in League of Legends!As a Senior Software Engineer specializing in tooling and engine systems, you will play a crucial role in enhancing high-quality workflows for our league engineers and designers. You will advance tooling workflows that enable creators to bring their visions to life on a larger scale and provide expert-level support for these technologies. This position reports to the Engineering Manager of the Hextech Gameplay team in Sydney.This is a full-time position based in Sydney, Australia.

Join Canva, a leading global design platform, as a Staff Software Engineer focused on Frontend Development for Editing Collaboration. This role is perfect for adept engineers eager to contribute to innovative features that enhance user collaboration and creativity.As a part of our dynamic team, you will play a pivotal role in shaping the frontend architecture, ensuring seamless interaction and functionality for users worldwide. Collaborate with cross-functional teams to deliver exceptional experiences and elevate our platform's capabilities.

About BlinqBlinq is revolutionizing the way individuals connect and remember each other. What began as the premier digital business card has evolved into a platform facilitating over 50 million new professional relationships each year, gaining momentum at an impressive growth rate.Our ambition is to create the world’s intelligence layer for professional connections—a system that remembers details for you, nudges you when it matters, and keeps you engaged. If you're excited about joining a company with such scale and vision, we’d love to meet you.Why Join Us?• Accelerating Growth: We are doubling our annual recurring revenue every few months, broadening our product offerings, and rapidly expanding our teams in Sydney, San Francisco, Melbourne, and New York.• Well-Funded: With over $45 million raised from prominent investors like Blackbird, Touring Capital, Hubspot Ventures, and Square Peg, we continually invest in the talent and tools that drive our mission forward.• A Unique Opportunity: We are at a pivotal moment—big enough to have traction, yet small enough for you to influence our trajectory.• Customer Satisfaction: With 140k+ reviews and an outstanding 4.9/5 rating on the App Store, users globally trust Blinq to foster meaningful first interactions.• Intentional In-Person Collaboration: We value creativity and energy that comes from face-to-face interactions, thus we work together in the office three days a week, allowing the flexibility to choose the best work environment for the remaining days.Engineering at BlinqOur engineering team is the driving force behind Blinq’s success. We are dedicated to creating tools that enable instant and authentic sharing of personal identities. Each line of code, release, and experiment is geared toward making a substantial impact. If you excel at solving intricate, high-stakes challenges in a close-knit team, you will thrive here.Role & ImpactAs a Senior Android Engineer at Blinq, you will spearhead the advancement of our Android platform, crafting and implementing intuitive, scalable user experiences that cater to a global audience. You will set high standards for technical excellence, guide architectural choices, and play a crucial role in how we develop and scale mobile solutions at Blinq.

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.

Location: Sydney, Australia (Hybrid schedule: three days per week in office) Relevance AI develops technology that powers the next generation of AI-driven work. The platform enables teams to assign complex tasks to intelligent agents, allowing for streamlined workflows, decision-making, and collaboration. Major organizations such as Canva, Databricks, Confluent, Autodesk, and Activision Blizzard use Relevance AI to enhance operations, marketing, and sales at scale. Backed by leading investors and recognized as Australia’s #1 Startup by LinkedIn in 2025, the company is headquartered in San Francisco and Sydney and values curiosity, collaboration, and decisive action. Role overview The Enterprise team seeks a Senior Software Engineer specializing in back-end systems to join the Sydney office. This group builds and scales core platform features for the company’s largest and most complex clients. The work centers on designing systems that are secure, reliable, compliant, and scalable for enterprise requirements. Areas of focus include identity and access management, auditability, and compliance. This role suits engineers who enjoy tackling challenging technical problems, architecting strong back-end infrastructure, and managing projects from planning through delivery in close partnership with product and customer teams. The position plays a key part in building production-ready, trustworthy AI systems used by a wide range of clients. What you will do Develop and maintain back-end systems supporting enterprise clients Design solutions for security, reliability, compliance, and scalability Work on identity and access management, auditability, and related features Lead and deliver projects with autonomy and minimal oversight Mentor team members and collaborate closely with product and customer teams See the impact of your work reach clients quickly Work environment This position follows a hybrid work model in Sydney, with three days per week in the office. Engineers at Relevance AI take on significant responsibility and see their contributions reach production rapidly.

Join System Canada Technologies as a Senior Java Developer in Sydney! We are seeking a highly skilled and motivated individual to contribute to our dynamic team. In this role, you will leverage your extensive experience with Java to design, develop, and maintain high-quality software solutions that meet our clients' needs.Your expertise will play a critical role in driving innovation and ensuring the successful delivery of projects. If you are passionate about technology and thrive in a collaborative environment, we want to hear from you!

Join our dynamic team at System Canada Technologies as a Senior Java Developer, where you will lead the development of innovative solutions that drive our business forward. You will be responsible for designing, implementing, and maintaining high-quality Java applications, collaborating with cross-functional teams to ensure seamless integration and functionality.As a key member of our team, you will leverage your technical expertise to mentor junior developers and contribute to architecture discussions, enhancing our software development processes. This is an exciting opportunity to work in a fast-paced environment, tackling complex challenges while developing your skills.

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.

At Mathspace, we are revolutionizing mathematics education by providing innovative, interactive learning software for students and teachers. Our agile, product-focused environment thrives on continuous customer feedback, ensuring a delightful learning experience for everyone involved.As a Senior UI Software Engineer on a collaborative product team, your contributions will significantly enhance our web and mobile applications, which support hundreds of thousands of students worldwide each month. Your role will involve:Enhancing and refining Mathspace applications to maximize educational impact.Collaborating closely with product owners and designers during product discovery phases.Working alongside fellow engineers to deliver meaningful solutions for students and teachers.Creatively solving complex problems and committing to ongoing learning and development.Taking initiative and actively contributing to project success.Expanding your knowledge of our technology stack.

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...

About UsAt Heidi, we are pioneering an AI Care Partner that empowers clinicians throughout the entire patient care journey, from documentation to the delivery of care. Our mission is to enhance healthcare capacity while ensuring that care remains profoundly human-centered. In just 18 months, Heidi has reclaimed over 18 million hours for clinicians and facilitated more than 73 million patient visits. Presently, Heidi supports over two million patient visits weekly across 116 countries and in more than 110 languages.Founded by healthcare professionals, our team combines the expertise of clinicians, engineers, designers, scientists, and mathematicians, all united by a common goal: to reinforce the human connection that is fundamental to healthcare.With nearly $100 million in funding, we are expanding our reach across the USA, UK, Canada, and Europe, collaborating with major health systems such as the NHS, Beth Israel Lahey Health, MaineGeneral, and Monash Health, among others.At Heidi, we prioritize agility and effectiveness, leveraging proven methods to shape the future of healthcare. Are you ready to take on this exciting challenge?The TeamJoin the team that drives Heidi's growth. Your contributions will shape the architecture of our billing, payments, and entitlements platform, creating seamless access to essential products for our customers. As we expand into new markets and launch innovative products, every feature you develop will eliminate friction for customers and propel Heidi's revenue forward.The RoleWe are seeking a Senior Software Engineer to lead the development of backend features, possessing a robust technical acumen that translates user needs into effective solutions. Ideal candidates will have experience in a hyper-growth startup environment, particularly in building SaaS products.You will understand the key challenges faced by engineers and apply sound design principles to prioritize essential features and capabilities. Your unique ability to harmonize technical details with business requirements will enable you to transform high-level designs into practical solutions.Thriving in dynamic and flexible work environments, you will quickly navigate the complexities of developing an AI product for the healthcare sector on a global scale. We recognize that exceptional talent can emerge from diverse backgrounds; if you have a proven history of delivering technically challenging products and features, we would love to connect with you.

Join Riot Games in Sydney as a Senior Software Engineer with our VALORANT Player Dynamics Team. As a pivotal member of our team, you will engage in designing and developing crucial systems that ensure a safe and fair gaming environment. Your work will directly contribute to enhancing player experiences by leveraging community feedback and analytics.In this role, you will collaborate with cross-functional teams, leading projects that focus on delivering gameplay features and backend services. Your expertise in C++ and software development will drive the creation of innovative solutions that bring joy to our players.As a mentor to junior engineers, your influence will help shape the future of our engineering practices. You will also participate in an on-call rotation to address live service issues, ensuring the game remains enjoyable for everyone.

About UsAt Heidi, we are revolutionizing the healthcare landscape with our cutting-edge AI Care Partner, designed to assist clinicians from documentation to the delivery of care.Our mission is to enhance healthcare capacity while preserving the human touch in care. In just 18 months, Heidi has reclaimed over 18 million hours for clinicians and has facilitated over 73 million patient visits. Currently, our platform supports more than two million patient visits per week across 116 countries and in over 110 languages.Founded by healthcare professionals, Heidi unites a diverse team of clinicians, engineers, designers, scientists, and mathematicians, all committed to enriching the human connection at the core of healthcare.With nearly $100 million in funding, we are expanding our reach 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 move swiftly in areas that matter and adhere to proven methodologies, paving the way for the next era of healthcare innovation. Are you ready to take on this challenge?Your RoleAs a Senior Software Engineer, you will play a critical role in developing backend features with a profound understanding of how technology aligns with user needs. You should have experience in a high-growth startup environment and a background in building SaaS products.Your expertise will help you navigate the challenges faced by engineers and prioritize essential features and capabilities based on design principles. You excel in connecting technical details with business requirements and transforming high-level designs into actionable solutions.You thrive in dynamic situations and appreciate the flexibility of a flat organizational structure. Your ability to navigate the complexities of developing AI healthcare products on an international scale is crucial.We believe that talent can emerge from unexpected sources; if you have a proven record of delivering technically challenging products and features, we want to hear from you.Key Responsibilities:Deliver high-quality, scalable code autonomously while considering code structure and design.Implement and refine data storage solutions.Collaborate effectively with team members to enhance product features.