About Airwallex Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide - including Brex, Rippling, Navan, Qantas, SHEIN and many more - with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale. Proudly founded in Melbourne, we have a team of over 2,200 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$8 billion and backed by world-leading investors including T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is leading the charge in building the global payments and financial platform of the future. If you're ready to do the most ambitious work of your career, join us. Attributes We Value We hire successful builders with founder-like energy who want real impact, accelerated learning, and true ownership. You bring strong role-related expertise and sharp thinking, and you're motivated by our mission and operating principles. You move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor. You're humble and collaborative; turn zero-to-one ideas into real products, and you "get stuff done" end-to-end. You use AI to work smarter and solve problems faster. Here, you'll tackle complex, high-visibility problems with exceptional teammates and grow your career as we build the future of global banking. If that sounds like you, let's build what's next. About the team Airwallex is building a state-of-the-art lending platform that empowers enterprise clients to offer innovative credit products to their customers, all through Airwallex's technology and infrastructure. Our Singapore-based Lending Engineering team owns the design, delivery, and scaling of our credit product portfolio for global enterprise clients. As part of this team, you'll directly influence the architecture, reliability, and ongoing evolution of our next-generation embedded lending platform. What you'll do As a Senior Software Engineer, you'll play a pivotal role in architecting, designing, and implementing large-scale, secure, and scalable systems for our lending platform. Your work will enable fast, seamless, and compliant credit experiences for our enterprise clients and their users while laying the technical foundation for future expansion into new financing products. This role is based in Singapore. Responsibilities: - Design, develop, and maintain robust services powering lending, with a key focus on credit products. - Build and maintain secure, scalable, and well-documented APIs that enable clients to seamlessly embed and consume our credit products within their own offerings. - Lead design reviews, advice on systems architecture, and mentor a team of engineers to uphold high standards of code quality and technical excellence. - Champion resilient, distributed systems design and best practices to ensure platform reliability and performance at global enterprise scale. - Collaborate with cross-functional teams to deliver impactful and effective lending solutions. - Promote robust automated testing, code review, and monitoring practices to ensure the stability, scalability, and security of our platform. - Stay on top of industry trends and proactively drive improvements to platform architecture, engineering practices, and delivery efficiency. Who you are We're looking for people who meet the minimum qualifications for this role. The preferred qualifications are great to have, but are not mandatory. Minimum qualifications: - Bachelor's degree or above in Computer Science, Engineering, or a related technical field. - 5+ years of hands-on experience in software engineering, with strong exposure to modern engineering practices, continuous integration, and quality engineering. - At least 2 years in a technical leadership role, mentoring engineers and leading the definition and execution of engineering strategy. - Strong computer science foundation and object-oriented programming skills, with proven experience building backend systems. While we do not mind what language you have most recently been using, we are primarily using Java or Kotlin and the Spring / Spring Boot framework. - Extensive experience designing and building RESTful APIs, with familiarity in modern API design principles and tools. - Experience with domain-driven design (DDD) and event-driven architectures in production environments. - Proven track record designing and maintaining high-throughput, low-latency, highly available distributed systems at scale. - Cloud experience with GCP (preferred) or AWS (EC2, RDS, ELB, CloudFront, etc.) with Docker and Kubernetes. - Familiarity with observability tooling such as Splunk, Grafana, and Prometheus. Preferred qualifications: - Experience with SaaS product offering as a platform. #singapore #london #sydney #melbourne Applicant Safety Policy: Fraud and Third-Party Recruiters To protect you from recruitment scams, please be aware that Airwallex will not ask for bank details, sensitive ID numbers (i.e. passport), or any form of payment during the application or interview process. All official communication will come from an @airwallex.com email address. Please apply only through careers.airwallex.com or our official LinkedIn page. Airwallex does not accept unsolicited resumes from search firms/recruiters. Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s). Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary. Equal opportunity Airwallex is proud to be an equal opportunity employer. We value diversity and anyone seeking employment at Airwallex is considered based on merit, qualifications, competence and talent. We don't regard color, religion, race, national origin, sexual orientation, ancestry, citizenship, sex, marital or family status, disability, gender, or any other legally protected status when making our hiring decisions. If you have a disability or special need that requires accommodation, please let us know.

• Define and own architecture for a new AI/Data product workstream • Design scalable backend services, data flows, and integration patterns • Guide implementation and support engineers through technical leadership • Review code, architecture decisions, and engineering standards • Collaborate with product stakeholders to translate requirements into technical solutions • Design and evolve data platform components, pipelines, and services • Contribute to AI-enabled product capabilities and agent-based workflows • Drive engineering quality, documentation, testing standards, and maintainability • Participate in hands-on implementation of complex technical initiatives

Role Description We're looking for a Full Stack App Developer to join our lean start-up team and build our mobile application from the ground up. Working closely with our UX/UI App Designer, you will play a critical role in turning concepts into a fully functional iOS application, with the opportunity to expand into Android development. This is a hands-on role that demands both technical expertise and a start-up mindset - adaptability, problem-solving, and ownership of your craft. It's an exciting opportunity to shape the technical foundation of a new product, collaborate with a small and passionate team, and directly influence the future of the business. Key Responsibilities - Build the iOS application from scratch, ensuring scalability, performance, and best-in-class user experience. - Collaborate closely with the UX/UI App Designer to bring wireframes, prototypes, and design systems to life. - Contribute to product ideation, technical planning, and roadmap discussions within the lean team. - Develop APIs, integrate with third-party services, and manage end-to-end mobile app architecture. - Write clean, maintainable, and testable code with strong attention to detail. - Ensure seamless handoff between front-end and back-end components. - Stay up to date with mobile development trends, tools, and frameworks to ensure a modern, competitive product. Bonus: - Build and maintain the Android version of the app for cross-platform rollout. Qualifications - Proven experience as a Full Stack Mobile App Developer, ideally in a start-up or fast-paced environment. - Strong proficiency in iOS development (Swift, SwiftUI, Xcode). - Experience with front-end and back-end integration (APIs, RESTful services, cloud backends). - Knowledge of databases (SQL, NoSQL) and mobile architecture patterns (MVC, MVVM, MVP). - Familiarity with version control (Git) and Agile methodologies. - High attention to detail and commitment to writing scalable, maintainable code. - Strong communication skills and ability to collaborate in a small, multi-disciplinary team. Bonus: - Android development experience (Java/Kotlin). Benefits - A chance to build a product from the ground up alongside a passionate and creative team. - Direct impact on the technical direction and future success of the business. - A start-up culture: agile, collaborative, and rewarding. - Flexible working environment with room to grow as the company scales.

• Lead Product Development • Design, build, and launch high-impact products that improve guest experience, operational efficiency, and business performance • Architect Scalable Systems • Make key technical decisions that ensure the platform remains scalable, reliable, and maintainable as the company grows internationally • Drive Engineering Excellence • Establish engineering best practices, code quality standards, development workflows, and technical documentation • Mentor and Support Engineers • Provide technical guidance, conduct code reviews, and help create a high-performance engineering culture focused on continuous improvement • Build Automation at Scale • Develop systems that eliminate manual work and allow operations to scale efficiently across multiple markets • Integrate Critical Platforms • Build and maintain integrations with platforms including Airbnb, Hostaway, Stripe, Twilio, Google, OpenAI, and other strategic partners • Leverage AI • Implement AI-powered workflows, tools, and agents that improve productivity and decision-making across the business • Collaborate Across Teams • Work closely with product, operations, revenue, and leadership teams to translate business challenges into scalable technical solutions