Senior Software Engineer for Notification Platform

Airwallex is a global payments and financial platform built for businesses. The company supports over 200,000 clients worldwide, including names like Brex, Rippling, Navan, Qantas, and SHEIN. Its platform covers business accounts, payments, spend management, treasury services, and embedded finance, all delivered at scale. Founded in Melbourne, Airwallex employs more than 2,000 people across 26 offices. With a valuation of US$8 billion and backing from investors such as T. Rowe Price, Visa, and Sequoia, the company continues to shape the future of global finance. What we look for Airwallex values people who build with an entrepreneurial mindset and take real ownership. Strong analytical skills, expertise in your craft, and alignment with the company’s mission and operating principles are important. The team moves quickly but makes thoughtful decisions, balancing speed and care. Curiosity, sound judgment, and a collaborative approach matter here. The culture rewards humility, a willingness to turn ideas into products, and a strong drive to see work through from start to finish. Using AI to improve efficiency is encouraged. This role brings the chance to tackle complex, visible problems with skilled colleagues and develop your career as Airwallex redefines banking. Role overview The Notification Platform engineering team develops and maintains the core infrastructure for customer and internal communications at Airwallex. This group ensures that notifications reach the right people, through the right channels, at the right time. Reliability and scalability are central to their work, supporting product teams as they engage users. As a centralized platform team, they bridge business needs with architectural soundness. The team builds and enhances a cloud-native platform using modern technologies such as reactive programming, workflow orchestration, distributed systems, and advanced gateway integrations. Their solutions handle complex communication scenarios across the company, providing essential support to product teams.

Airwallex builds technology that helps global businesses manage payments and financial operations. More than 200,000 companies, including Brex, Rippling, Navan, Qantas, and SHEIN, use Airwallex for integrated business accounts, payments, treasury management, and embedded finance. The company was founded in Melbourne and now employs over 2,000 tech professionals across 26 offices worldwide. Airwallex is valued at US$8 billion and is supported by investors such as T. Rowe Price, Visa, Mastercard, and Sequoia. The Notification Platform engineering team develops and maintains the core infrastructure for internal and customer communications at Airwallex. This team builds systems that enable reliable, scalable notifications across multiple channels, helping product teams deliver messages to users quickly and effectively. As a centralized group, the team connects business needs with strong architectural solutions, supporting a cloud-native platform that uses modern technologies like reactive programming, workflow orchestration, and advanced gateway integrations. Their work underpins complex, organization-wide communication requirements and supports the success of product teams. What you will do Contribute to the design and development of the Notification Platform, ensuring reliable and scalable delivery of communications. Work with modern technologies in a cloud-native environment, including reactive programming and workflow orchestration. Collaborate with product and engineering teams to meet diverse communication needs across the company. Who we look for Engineers who are eager to build, learn quickly, and take ownership of their work. Strong analytical skills and the ability to make fast, thoughtful decisions. Comfort working with modern infrastructure and a collaborative, innovative team. Interest in using AI tools to boost productivity and solve problems efficiently. Humility, curiosity, and a drive to turn ideas into real products. More about our operating principles.

About AirwallexAirwallex is a pioneering unified payments and financial solutions platform tailored for global enterprises. With our unique combination of proprietary technology and infrastructure, we empower over 200,000 businesses globally—including notable names like Brex, Rippling, Navan, Qantas, and SHEIN—by providing fully integrated solutions for managing business accounts, payments, spend management, treasury, and embedded finance on a global scale.Founded in Melbourne, we boast a vibrant team of over 2,000 innovative tech professionals spread across 26 offices worldwide. With a valuation of US$8 billion and support from world-class investors such as T. Rowe Price, Visa, Mastercard, and Sequoia, Airwallex is at the forefront of shaping the future of global financial platforms. If you're eager to undertake challenging and impactful work, we invite you to join our team.

Join Airwallex as a Staff Software Engineer, NotificationAirwallex stands as a leader in providing a cohesive payments and financial platform for global enterprises. Our unique blend of proprietary technology and infrastructure empowers over 200,000 businesses worldwide—including esteemed names like Brex, Rippling, Navan, Qantas, and SHEIN—with fully integrated solutions for managing business accounts, payments, spend management, treasury functions, and embedded finance on a global scale.Founded in Melbourne, we boast a dynamic team of over 2,000 talented individuals spread across 26 global offices. With a valuation of US$8 billion and support from 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 the global payments and financial platform. If you're ready to take on the most challenging and rewarding work of your career, we invite you to join our journey.

Role overview The Engineering Lead for Notification Platform at Airwallex will head a team dedicated to building and refining systems that manage client notifications. This work plays a key role in supporting global payments and aligns closely with Airwallex's focus on technology-driven solutions. The position is based in Singapore. What you will do Lead and mentor engineers responsible for notification systems Design and architect solutions that ensure client communications are reliable and scalable Champion technical quality and best practices across the team Foster collaboration and encourage sharing of new ideas within the group Location This role is located in Singapore (SG).

Join the Airwallex TeamAt Airwallex, we are revolutionizing the way global businesses manage their finances through our unrivaled unified payments and financial platform. With our proprietary infrastructure and advanced software solutions, we empower over 200,000 businesses worldwide—including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN—with fully integrated systems for business accounts, payments, spend management, treasury, and embedded finance.Founded in Melbourne and now boasting a diverse team of over 2,000 talented individuals across 26 global offices, we are valued at US$8 billion and supported by top-tier investors such as T. Rowe Price, Visa, and Sequoia. If you are ready to embark on the most ambitious journey of your career and make a real impact, we invite you to explore this opportunity with us.

About AirwallexAirwallex is a pioneering unified payments and financial platform designed for global enterprises. By harnessing our proprietary infrastructure and innovative software, we empower over 200,000 businesses globally—including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN—with comprehensive solutions that encompass business accounts, payments, spend management, treasury, and embedded finance at a worldwide scale.Founded in the vibrant city of Melbourne, our team comprises over 2,000 of the brightest minds in technology across 26 global offices. Valued at $8 billion, we are supported by renowned investors such as T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital. Join us in shaping the future of global payments and finance.Attributes We ValueWe seek dynamic builders with an entrepreneurial spirit who aspire to create a meaningful impact, accelerate their learning, and embrace true ownership in their work. You bring substantial expertise, sharp analytical skills, and are driven by our mission and operating principles. You thrive on speed and good judgment, possess a deep curiosity, and make principled decisions while balancing expedience with thoroughness.You are collaborative and humble, transforming innovative concepts into tangible products, and you ensure that tasks are completed effectively from start to finish. Utilizing AI to enhance efficiency and solve challenges swiftly is part of your approach. Here, you will tackle complex, high-stakes issues alongside exceptional colleagues and advance your career as we redefine global banking. If this resonates with you, let's create what's next together.What You’ll DoAs a crucial member of the Search Platform Team, you will expertly bridge the gap between business needs and architectural excellence. Your responsibilities will include:Developing advanced application infrastructure to mitigate widespread challenges across the organization, significantly reducing maintenance costs for developers and fostering innovation;Skillfully addressing complex, organization-wide challenges through the strategic implementation of cutting-edge technologies such as distributed systems, vector databases, and data pipeline solutions;Conducting comprehensive evaluations of strategic solutions on an organization-wide scale.

Role overview Airwallex is hiring a Senior Software Engineer to work on the Cloud Platform in Singapore. This role centers on designing and building cloud solutions that support and improve the company’s global payment infrastructure. What you will do Design and develop cloud-based systems for payment processing Work with teams across engineering, product, and operations to integrate new features Focus on performance optimization and system reliability Location This position is based in Singapore (SG).

Join Motional as a Senior Software Engineer to drive the development of our cutting-edge Data Platform. In this role, you will leverage your expertise in software engineering to build scalable and efficient data solutions. Collaborate with a talented team to shape the future of autonomous vehicles through innovative data management.

About AirwallexAirwallex is the premier unified payments and financial platform designed for global enterprises. Our innovative blend of proprietary technology and infrastructure empowers over 200,000 businesses worldwide—including notable names like Brex, Rippling, Navan, Qantas, and SHEIN—with seamless solutions to manage everything from business accounts and payments to treasury and embedded finance on a global scale.Founded in Melbourne, we proudly boast a talented workforce of over 2,000 innovative minds across 26 offices worldwide. Valued at $8 billion and supported by leading 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 creating the future of global payments and financial services. If you're ready to take on the most ambitious challenges of your career, we invite you to join us.Attributes We ValueWe seek builders with an entrepreneurial spirit who desire substantial impact, accelerated learning, and genuine ownership of their work. You bring robust expertise and analytical skills, driven by our mission and operating principles. Your strong judgment and insatiable curiosity allow you to make informed decisions quickly, balancing both speed and thoroughness.Collaboration and humility are essential; you transform innovative concepts into tangible products and ensure that projects are completed from start to finish. Leveraging AI, you work smarter and resolve challenges efficiently. Here, you will confront complex, high-stakes issues alongside exceptional team members while advancing your career as we shape the future of global banking. If this resonates with you, let’s build what’s next together.About the TeamThe Lending Engineering team at Airwallex is dedicated to developing a cutting-edge lending platform that enables enterprise clients to deliver innovative credit solutions to their customers through our robust technology and infrastructure. Based in Singapore, our team is responsible for the design, delivery, and scaling of our credit product offerings for clients worldwide. In this role, you will have a direct impact on the architecture, reliability, and continuous advancement of our next-generation embedded lending platform.Your ResponsibilitiesAs a Senior Software Engineer, you will be instrumental in architecting, designing, and implementing large-scale, secure, and scalable systems for our lending platform. Your contributions will facilitate rapid, seamless, and compliant credit experiences for our users.

Join Grab as a Lead Software Engineer where you will spearhead the development of our innovative AI Platform. This role involves collaborating with cross-functional teams to design and implement cutting-edge solutions that enhance user experience and drive business growth.

About AirwallexAirwallex stands as the premier unified payments and financial platform tailored for global enterprises. With our distinctive blend of proprietary infrastructure and cutting-edge software, we empower over 200,000 businesses worldwide—including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN—with comprehensive solutions to manage everything from business accounts and payments to spend management and treasury, as well as embedded finance on a global scale.Founded in Melbourne, our team comprises over 2,000 of the brightest minds in technology, spread across 26 offices globally. Valued at US$8 billion and backed 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 developing the future of global payments and finance. If you're ready to embark on the most ambitious venture of your career, we invite you to join us.Attributes We ValueWe seek passionate builders with an entrepreneurial spirit who aspire to make a significant impact, accelerate their learning, and embrace true ownership of their work. You should possess strong expertise relevant to the role, coupled with sharp analytical thinking, and be driven by our mission and operating principles. You act swiftly with sound judgment, explore deeply with curiosity, and make informed decisions based on first principles, balancing speed and thoroughness.You embody humility and collaboration, turning innovative ideas into tangible products while ensuring tasks are completed from start to finish. You leverage AI to enhance productivity and accelerate problem-solving. Here, you’ll engage with intricate, high-impact challenges alongside exceptional colleagues and advance your career as we redefine the landscape of global banking. If this resonates with you, let's create the future together.About the TeamThe Global Treasury and Payment Network (GTPN) Team is integral to Airwallex’s payment infrastructure. Our focus is on broadening the reach of Airwallex’s global treasury and payment network while enhancing its capabilities, user experience, and offering innovative payment products anchored in a robust financial foundation.Your RoleAs we extend our global presence, we are on the lookout for enthusiastic software engineers to join our dynamic team. This is a unique chance to work closely with product managers and designers from around the world, crafting products that not only fulfill but surpass our customers' expectations.This opportunity is based in Singapore.

Join OKX as a Senior Software Engineer specializing in Rust for cross-platform development. We are a pioneering crypto exchange dedicated to reshaping the future through blockchain technology, offering a robust platform for crypto trading and decentralized applications.As part of our dynamic engineering team, you'll collaborate on innovative projects that enhance our product offerings and provide millions with seamless access to cryptocurrency markets.

Join our Perception Team at Motional, where you will collaborate with leading ML engineers and research scientists dedicated to transforming self-driving vehicles into a reality while positively impacting society. Our team focuses on the technology that interprets dynamic scenarios, tracking, and classifying objects surrounding our robo-taxi system. We seek talented engineers to enhance our machine learning (ML) perception pipelines, including large-scale data pipelines, evaluation and visualization tools, and our active learning loop.Our robust data pipelines are essential for efficient ML development, encompassing data transformation, model training, and evaluation for both on-car and off-car perception solutions. The evaluation and visualization tools we create provide clear insights into dataset distributions, model behaviors, system performance, and edge-case scenarios. Our active learning loop continuously selects high-value data to refine model accuracy and robustness.

Join our innovative team at csit as a Senior Platform Engineer, where you will spearhead the development of advanced testing platform services designed to help organizations stay ahead of evolving cyber threats. In this pivotal role, you will architect and implement a flexible grid of both physical and virtual devices, granting developers and testers on-demand, scalable access to a diverse array of devices and environments for thorough testing. Your expertise in designing complex systems will be essential, as you will ensure compatibility across various device types, architectures, and communication protocols, all while prioritizing high availability, scalability, and robust security measures.

About AirwallexAirwallex stands as the premier unified payments and financial platform tailored for global enterprises. Our innovative blend of proprietary infrastructure and software enables over 200,000 businesses globally—including esteemed names like Brex, Rippling, Navan, Qantas, and SHEIN—to seamlessly manage everything from business accounts and payments to spend management and treasury, all while facilitating embedded finance on a grand scale.Founded in Melbourne, our team comprises over 2,000 of the brightest minds in technology, operating across 26 offices worldwide. With a valuation of US$8 billion and support from top-tier 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 revolutionizing the global payments and financial services landscape. If you’re prepared to embark on the most ambitious journey of your career, come join us.Attributes We ValueWe seek out dynamic builders with an entrepreneurial spirit who desire meaningful impact, rapid learning, and true ownership of their work. You should possess strong technical expertise and keen analytical skills, and be driven by our mission and operating principles. Your speed and sound judgment, paired with an insatiable curiosity, will empower you to make decisions grounded in first principles, effectively balancing pace with thoroughness.Collaboration and humility are key; you will transform innovative concepts into tangible products, executing projects from inception to completion. Leveraging AI, you will optimize your workflow and expedite problem-solving. Here, you will engage with complex, high-stakes challenges alongside exceptional colleagues, fostering your professional growth as we shape the future of global banking. If this resonates with you, let’s create what comes next.Who You Are & Role OverviewAs part of the Platform Engineering team, you will be pivotal in designing Airwallex’s next-generation foundational infrastructure. We are advancing beyond conventional pipelines to establish a robust, distributed ecosystem that facilitates real-time AI enablement and global financial data management.Our goal is to redefine the limits of distributed storage, stream processing, and service-layer interfaces. We are in search of 'Engineers’ Engineers'—visionaries who relish delving into the intricacies of distributed systems, enhancing JVM performance, and implementing resilient architectural frameworks such as Lakehouse and real-time data.

At CSIT, we are dedicated to enhancing Singapore's national security through innovative technology solutions. Our products play a crucial role in various applications, particularly in counter-terrorism and computer network defense.We recognize that effective software product development relies on a robust platform and infrastructure. Our teams thrive in an environment that supports rapid and efficient software delivery. We are seeking passionate platform engineers who are committed to improving the developer experience and eager to help us expand our foundational platform, ultimately driving productivity for our development teams.

Join Our Team at AirwallexAirwallex is revolutionizing the financial landscape by providing a unified payments and financial platform tailored for global enterprises. Our innovative blend of proprietary infrastructure and cutting-edge software empowers over 200,000 businesses around the globe—including notable names like Brex, Rippling, Navan, Qantas, and SHEIN—with seamless solutions to manage their business accounts, payments, spend management, treasury, and embedded finance on a global scale.Founded in Melbourne, our diverse team of over 2,000 talented professionals spans 26 offices worldwide. With a valuation of US$8 billion and support from leading 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 finance. If you are ready to embark on the most ambitious journey of your career, we invite you to join us.What We Look ForWe seek visionary builders who possess a founder's spirit, eager to make a significant impact, accelerate their learning, and embrace true ownership of their work. You should bring a wealth of relevant expertise, sharp analytical skills, and a strong alignment with our mission and operating principles. A quick thinker who balances speed with careful decision-making, you approach challenges with curiosity and a desire to dig deep.As a humble and collaborative team player, you are adept at turning innovative ideas into tangible products, ensuring projects are executed from inception to completion. Leveraging AI, you work efficiently to solve problems swiftly. Here, you will engage with complex, high-visibility challenges alongside exceptional colleagues, propelling your career forward as we construct the future of global banking. If this resonates with you, let’s create what comes next together.About the RoleThe Global Treasury and Payment Network (GTPN) team is at the heart of Airwallex’s payment infrastructure. As the first product of Airwallex and a significant revenue driver, GTPN plays a critical role in enhancing our customer experience. We operate at the nexus of traditional and modern finance, broadening the reach of our global treasury and payment network while fortifying its capabilities and reliability. Our team is dedicated to delivering innovative payment solutions built on a solid financial foundation.Comprising a truly global, cross-site engineering organization, GTPN boasts skilled engineers across established and emerging hubs, including the US, Singapore, Hong Kong, and Shanghai. As we expand our footprint worldwide, we are on the lookout for passionate Senior Software Engineers to join our dynamic team.

Join Assurity Trusted Solutions (ATS), a proud subsidiary of the Government Technology Agency (GovTech), as we continue to set benchmarks in the digital and cybersecurity landscape. Over the past decade, ATS has established itself as a trusted partner, delivering a vast array of products and services including operational, governance, and assurance solutions. Our commitment to fostering trust and collaboration enables us to effectively address cyber risks and enhance security measures through strategic alliances with GovTech, governmental bodies, and commercial partners.Key Responsibilities:Software Development & Architecture:Lead the comprehensive design and development of robust, scalable full-stack applications.Uphold coding standards, design principles, and industry best practices.Engage in the complete software development lifecycle, from initial design through to testing and deployment.Cross-functional Collaboration:Collaborate with project managers, UX/UI designers, and other stakeholders to accurately gather requirements and define project scopes.Work alongside development teams to integrate solutions and enhance system functionalities.Facilitate technical discussions, providing insights on best practices in Java and React development.Documentation & Quality Assurance:Maintain thorough documentation for software designs, APIs, and user manuals.Conduct code reviews to ensure adherence to quality assurance standards.Execute comprehensive testing of the application, including unit and integration tests.Mentorship:Guide and mentor junior developers, sharing your expertise and fostering a culture of continuous improvement.

As a Senior Software Engineer at Caladan, you'll collaborate with intelligent and driven colleagues, leveraging diverse skill sets to provide a robust platform for your innovative ideas. Your contributions will directly impact our trading platform's development, enabling you to see the tangible results of your work.Your ResponsibilitiesAs a key member of our trading platform development team, you will:Design, develop, and maintain a highly efficient and adaptive trading platform that accesses various CeFi, DeFi, and OTC liquidity sources.Employ software development methodologies to enhance order management, compliance, exchange connectivity, market data, and routing capabilities.Create and implement our next-generation real-time trading platform.Oversee and support the global trading system's operations, effectively troubleshooting and resolving issues as they arise.Collaborate closely with traders and the business development team to swiftly implement new concepts.Mentor junior team members, guiding them in their professional development and serving as a role model.