Senior Mobile Engineer for Yield (iOS) at Airwallex

Join Airwallex as a Senior Mobile Engineer (iOS)Are you ready to revolutionize the world of fintech? At Airwallex, we are the sole unified payments and financial platform designed for global enterprises. Leveraging our unique mix of proprietary infrastructure and cutting-edge software, we empower over 200,000 businesses globally—including industry giants lik…

Join the MongoDB Developer Productivity team, where we lay a robust foundation of shared tools and services that empower our product development processes. Our success is defined by the ability of MongoDB's product and engineering teams to deliver exceptional solutions to our customers through an efficient software development lifecycle.As part of the Performance Infrastructure Team, your mission will be to simplify the process for MongoDB engineers to test and enhance the performance of our products. In this role as a Software Engineer II, you will collaborate closely with performance-driven engineers across the organization to design, develop, and maintain our state-of-the-art performance benchmarking systems and their supporting tools.This position follows a hybrid working model based out of our office in Sydney, Australia.

Join Deputy, a leading global SaaS workforce management company headquartered in Sydney, with additional hubs in Melbourne, San Francisco, and London, and a talented remote team across the United States. Our innovative platform supports over 1.5 million workers and 375,000 workplaces in more than 100 countries, backed by prestigious global investors and recently achieving Unicorn status. At Deputy, we are dedicated to revolutionizing the world of work, focusing on empowering hourly workers who play essential roles in society. From baristas and nurses to cleaners and delivery drivers, these frontline heroes deserve cutting-edge technology that enhances their work experience. By choosing Deputy, businesses can boost profitability, compliance, and productivity, while fostering a happier, more engaged workforce. As we transition into an AI-native company, you will be encouraged and expected to leverage AI tools creatively to drive innovation and efficiency in your work. We provide comprehensive training and support to help you harness AI responsibly to enhance your problem-solving capabilities and explore new avenues for productivity. If you are passionate about developing solutions that prioritize people and contribute positively to businesses and their teams, we invite you to join us at Deputy and make a meaningful impact!

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.

Haast is building a platform that brings enterprise compliance into the tools teams use every day. The Senior Full Stack Engineer - Integrations role focuses on strengthening this integration layer, making compliance intelligence accessible and practical for customers across platforms like Salesforce, Adobe, and Microsoft. Role overview This position centers on leading the architecture and development of integrations between Haast’s compliance platform and major enterprise tools. The work involves designing and implementing APIs, webhooks, OAuth flows, and authentication standards to ensure secure, scalable connections. The goal is to embed AI-driven compliance insights directly into customer workflows, creating a seamless and reliable experience. What you will do Design and build production-ready integrations with platforms such as Salesforce, Adobe, Microsoft, and others. Architect the integration platform, focusing on APIs, webhooks, authentication, and scalability. Integrate AI insights into customer workflows, aiming for speed, reliability, and ease of use. Make timely technical decisions about integration patterns, dependencies, and platform direction. Question existing approaches to improve user experience across integrated systems. Help shape the engineering culture, standards, and tools as the team grows. About Haast Haast is building agentic systems to automate manual tasks for legal and compliance teams in enterprises. The platform is designed to speed up compliance reviews and boost productivity. Backed by a recent $12M USD Series A from Peak XV Partners, DST Global, and Airtree, Haast is growing to become the go-to infrastructure for enterprise compliance management.

The Trade Desk is a leading global technology company dedicated to fostering a more transparent and accessible internet for all through principled and intelligent advertising solutions. Our platform processes over 1 trillion queries daily, demonstrating our capability at an unparalleled scale. Beyond our technology, we pride ourselves on cultivating an award-winning culture rooted in trust, ownership, empathy, and collaboration. We cherish the unique experiences and viewpoints that every individual contributes to The Trade Desk, and we are devoted to creating inclusive environments where everyone can express their authentic selves each day.Are you driven by a passion for tackling complex challenges on a large scale? Do you aspire to be part of a vibrant, globally-connected team where your work will significantly impact the development of a better media ecosystem? Join us and discover why Fortune magazine consistently ranks The Trade Desk among the finest small to medium-sized workplaces worldwide.

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.

Join our dynamic team at imc as a Java Software Engineer. In this pivotal role, you will develop innovative software solutions that drive our business forward. You will collaborate with cross-functional teams to design, implement, and optimize high-performance applications while ensuring code quality and best practices.If you are passionate about technology and eager to make an impact, we want to hear from you!

At Ripple, we envision a future where value transfers seamlessly, akin to how information flows today. Our mission is bold and transformative – we are already reshaping the global financial landscape through our innovative crypto solutions tailored for financial institutions, businesses, governments, and developers. By enhancing the financial system, we create equitable opportunities for individuals worldwide, enabling everyone to engage more effectively with their economies. Join us and discover your potential while collaborating with a supportive team that champions your growth.As part of our ongoing evolution, GTreasury, now integrated into Ripple, enhances our capabilities in the multi-trillion-dollar corporate finance sector. With over four decades of experience, GTreasury empowers some of the most sophisticated companies globally, allowing them to manage and optimize liquidity in real-time across both traditional and digital assets.Become a key player in shaping the future of corporate treasury and the infrastructure driving the Internet of Value.We are on the lookout for a creative and forward-thinking Staff Software Engineer who is dedicated to crafting a top-tier platform alongside a world-class team. You will be instrumental in advancing technical software excellence and leading application development in design, implementation, and maintenance, helping us achieve remarkable outcomes.

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)

Role overview As a Principal Software Engineer on the User Platform team at Canva in Sydney, this role takes the lead in designing and building user experiences that impact millions of people globally. The position shapes daily interactions with Canva’s platform, influencing how users engage and create. What you will do Lead the design and development of core user-facing features Drive technical decisions that affect large-scale user experiences Collaborate closely with other engineers and product teams to deliver impactful solutions Impact The work in this role directly affects how users experience Canva every day, helping to set the standard for usability and reliability at scale.

About AirwallexAirwallex is a pioneering unified payments and financial platform tailored for global enterprises. With a unique blend of proprietary infrastructure and cutting-edge software, we empower over 200,000 businesses worldwide—including notable names like Brex, Rippling, Navan, Qantas, and SHEIN—with integrated solutions to manage everything from business accounts and payments to spend management and treasury, alongside embedded finance on a global scale.Founded in Melbourne, we boast a vibrant team of over 2,000 talented and innovative professionals across 26 offices globally. Valued at US$8 billion and supported by renowned investors such as T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is at the forefront of shaping the future of global payments and financial technology. If you are eager to undertake the most ambitious work of your career, we invite you to join us.

At IMC, technology is the driving force behind our success. Our proprietary software is designed in-house and plays a crucial role in executing millions of trading decisions daily. We thrive by making informed and rapid decisions that give us an edge over our competitors. The engineering teams based in Sydney tackle a diverse range of applications, tools, and functionalities, including the implementation of trading algorithms, options pricing, volatility calculations, simulation frameworks, market risk applications, trade reconciliation systems, and data analysis and visualization tools for traders. Our commitment to innovation means we often need to develop not only the business applications but also the cutting-edge tools that support our development processes. We are actively seeking to enhance our software engineering teams across our Strategy, Research Tooling, and Backbone teams. The Strategy Developers collaborate with our options research and trading teams in Sydney to design and implement systematic trading strategies. In this role, you will engineer solutions within a Python-centric ecosystem that empowers our researchers and traders to transition strategies from initial prototypes to full production. You will also contribute to the tactical development of trading, analysis, and visualization tools for front-office operations. The Backbone Developers focus on creating scalable, business-critical applications and automation tools that support IMC's Sydney Mid-Office and Risk Management departments. They gather requirements and feedback from various internal stakeholders to implement innovative automation solutions through advanced coding practices. The Research Tooling Developers work closely with APAC Quant Research and other engineering teams to build and enhance tools that facilitate cutting-edge quantitative research. Our systems enable researchers to execute large-scale computations on distributed clusters, facilitating the exploration of new trading strategies, model training, and back testing. Your Core Responsibilities: Develop, test, deploy, and maintain high-performance Python applications. Collaborate with traders, researchers, quants, and engineers to create scalable and reliable software solutions. Take full ownership of the development process, from gathering requirements to deploying in production. Implement automation and optimization projects to enhance trading and research workflows. Utilize advanced automated testing practices and frequent deployments to achieve agile and incremental improvements. Evaluate trade-offs between latency, throughput, simplicity, scalability, and maintainability within a complex technical environment.

ABOUT THE ROLE: At IMC Trading, our Software Engineers do much more than just code; they are innovators who identify new opportunities, develop advanced technologies, and tackle complex challenges. Each day, our software influences millions of trading decisions in highly competitive markets worldwide, enabling us to outpace our competitors through smarter and quicker choices. As a Software Engineer Intern, you will contribute to impactful projects and make a tangible difference in our operations. In this role, you will receive guidance from a dedicated mentor who will support your project work and professional growth, along with opportunities for pair programming and code reviews. You will engage with real-world projects that add value to both developers and traders. Your project focus may include one of the following areas: Low Latency: You will work on the development and optimization of ultra-fast systems vital to IMC’s trading infrastructure, ensuring minimal latency to facilitate high-frequency trading. This will primarily involve C++ programming and collaboration with hardware, performance, and network engineers. Algorithmic Trading: Here, you will create and enhance systems that drive our trading strategies, developing algorithms for pricing and risk assessment, and building tools for analyzing and trading financial products using Java or Python. WHAT YOU’LL DO: Engage in real-world problem-solving and algorithm design while learning from experienced engineers and traders. Collaborate in a culture of creativity and innovation where teamwork is celebrated and knowledge sharing is encouraged. Deepen your understanding of high-frequency trading. Establish important relationships across our trading and technology divisions.

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 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.

At Riot Games, we prioritize the players' experience above all. Our dedicated team in Sydney collaborates with global partners to develop cutting-edge features and technologies for an exciting upcoming R&D title. Whether you're enhancing backend architecture, creating tools for developers, or designing engaging player-focused features, you will help us build systems that enhance performance, scalability, and user engagement. As a Staff Software Engineer (Internal Job Title: Software Engineer III), you will take on technical leadership in critical areas of our projects. Your contributions will span the entire development lifecycle, from designing scalable solutions to mentoring team members and collaborating across departments to ensure top-tier experiences for both players and developers. At Riot, our software engineers possess extensive expertise in specific technical domains while also embracing the chance to work across different areas. You will tackle complex challenges using both new and existing technologies, forging innovative solutions to deliver unmatched value to players. You will report to an Engineering Manager within the R&D Game Team.

At IMC, technology is the cornerstone of our operations. Our proprietary software drives millions of trading decisions each day, allowing us to outpace our competitors through enhanced decision-making speed and accuracy. The C++ Execution development teams based in Sydney focus on software that operates within the latency-sensitive layers of our technology stack, influencing every aspect of our organization. This includes ensuring market connectivity, managing vast data volumes, implementing sophisticated trading algorithms, and integrating cutting-edge hardware solutions.Your Core Responsibilities:As a Software Engineer, you will collaborate within multidisciplinary teams consisting of engineers, Traders, Researchers, and Quants to tackle complex projects while overseeing the full product development lifecycle—from requirement gathering to production deployment. Your role will involve creating reliable, high-performance software that balances production speed with quality and testability. Utilizing advanced automated testing and continuous daily deployments will enable you to deliver agile and incremental enhancements. You will consistently face challenges that require you to weigh trade-offs related to latency, throughput, simplicity, scalability, and maintainability within a diverse array of systems and technologies.Develop, test, deploy, and maintain applications and automation solutions for the Trading and Hardware Development teams.Engage with internal clients to gather requirements and feedback, devising innovative automation solutions through creative coding practices.

Location: Sydney, Australia (Hybrid: 3 days per week in office) Relevance AI develops a platform for building and managing intelligent agents that help teams automate workflows and improve collaboration. The company’s technology supports major clients such as Canva, Databricks, Confluent, Autodesk, Lightspeed, Rakuten, Aveva, Qualified, and Activision Blizzard, helping them strengthen operations, marketing, and sales. Backed by Bessemer Venture Partners, Insight Partners, Peak XV, and King River Capital, Relevance AI completed its Series B funding round in April 2025. With headquarters in San Francisco and Sydney, the team values curiosity, collaboration, and decisive execution. In 2025, LinkedIn recognized Relevance AI as Australia’s #1 Startup. Role overview The Enterprise team at Relevance AI seeks a Staff Software Engineer based in Sydney. This group focuses on building and scaling platform features for the company’s largest and most demanding customers. Projects emphasize security, reliability, compliance, and adaptability at enterprise scale, with particular attention to identity and access management, auditability, and regulatory requirements. What you will do Offer technical leadership and hands-on execution within the Enterprise team Work closely with product, engineering, and go-to-market teams to deliver enterprise-grade capabilities and backend systems Design complex systems and influence architecture across teams Ensure the platform upholds high standards for security, reliability, and compliance See the direct impact of your work on customer outcomes Impact and growth Each engineering team at Relevance AI addresses a distinct aspect of the AI workforce. The Enterprise team specializes in scaling AI systems for global organizations. This role plays a key part in making AI solutions functional, dependable, and production-ready for enterprise use.

Haast is building an AI platform to transform how enterprises handle compliance. The team is focused on automating manual legal and compliance workflows, aiming to deliver faster reviews and boost productivity for large organizations. With $12 million USD in Series A funding from Peak XV Partners, DST Global, and Airtree, Haast is expanding its Sydney office to support this mission. Role overview The Senior Full Stack Engineer will join a high-autonomy engineering team, working on systems that directly impact enterprise clients. This role involves designing, building, and maintaining scalable services and APIs for Haast’s compliance platform. Engineers here are responsible for technical decisions from architecture through deployment, iterating quickly based on user feedback. There is close collaboration with the founding team, and the work focuses on new systems rather than legacy code. What you will do Design, architect, and manage scalable services and APIs powering the LLM compliance platform. Shape how AI-driven insights are delivered to users, prioritizing reliability, speed, and usability. Make rapid, high-impact technical decisions. Question assumptions to improve user experience. Contribute to engineering culture, standards, and tool selection as the team grows. What Haast is looking for This position suits engineers who want to influence product direction and development processes, enjoy solving complex technical problems, and are comfortable working in a scaling startup environment. Experience with full stack development and interest in building infrastructure for enterprise compliance are important. This role is based in the Sydney office.