Staff Software Engineer, Tech Platform - Singapore - Airwallex

    Airwallex
    Airwallex Singapore

    4 days ago

    Accounting / Finance
    Description
    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 2,000 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.

    Who We Are? About the Team:

    Airwallex is a pioneering fintech company breaking down financial barriers and enabling seamless global business. At its core, the Tech Platform Team drives the foundation of our technological excellence, building scalable, high-performance systems that power innovation worldwide.
    • Optimizing Global Traffic – Managing north-south and east-west API Gateways for seamless external and internal interactions.
    • Ensuring Fast, Reliable Connectivity – Building a robust global routing infrastructure that seamlessly balances regulatory compliance with a unified, high-performance user experience across regions.
    • Enhancing Search – Powering an intelligent search platform for fast, accurate information retrieval.
    • Orchestrating Notifications – Enabling efficient delivery of SMS, Email, Webhooks, and Push notifications.
    • Automating Workflows – Driving seamless workflow creation, scheduling, and execution.

    In This Role, You Will

    Be part of an elite team shaping cutting-edge infrastructure and redefining global fintech. If you thrive on solving complex challenges and building the future of technology, this is where you belong.

    As a member of our team, you'll have the opportunity to:
    • Build Impactful Infrastructure – Develop and refine a cutting-edge application infrastructure that eliminates common technical bottlenecks, reduces maintenance overhead for developers, and accelerates business innovation.
    • Solve Complex, High - Scale Challenges – Tackle intricate, organization-wide problems by leveraging the latest technologies, including reactive programming, Temporal, vector databases, distributed systems, and advanced gateway solutions.
    • Drive Strategic Technological Excellence – Conduct comprehensive evaluations of emerging solutions and guide the company's long-term architectural decisions to ensure scalability, efficiency, and global resilience.

    At Tech Platform, you'll work on mission-critical systems, collaborate with top engineering talent, and leave a lasting impact on Airwallex's global growth. If you're passionate about building transformative technology at scale, this is the team for you

    You Might Be a Great Fit If You
    • Strong proficiency in backend programming languages such as Java, Go, Rust, Lua, or Python and their corresponding frameworks;
    • Infrastructure & Cloud Expertise: Familiarity with cloud services (AWS, GCP, Aliyun) and infrastructure management tools (Kubernetes, Docker, Istio)
    • Database & Storage Systems Expertise: Proven hands-on experience with PostgreSQL, Redis, Elasticsearch, and logical replication, with a deep understanding of performance optimization, scalability, and data consistency in distributed systems.
    • Traffic Management Expertise: Strong familiarity with NGINX, OpenResty, Envoy, APISIX, Kong, and Istio, with a solid understanding of traffic routing, load balancing, and API gateway management in high-scale distributed systems.
    • API Lifecycle & Security Expertise: Strong experience and deep understanding of API lifecycle management, from design to deprecation, along with expertise in API security best practices, including authentication, authorization, and threat mitigation.

    Bonus If You Have
    • Performance Tuning Expertise: Hands-on experience optimizing API Gateway performance, including advanced profiling techniques such as CPU flame graphs to diagnose and enhance system efficiency.
    • Service Mesh Expertise: Hands-on experience managing traffic between Kubernetes pods using Istio, including traffic routing, load balancing, and resilience strategies within a service mesh architecture.
    • API Security Expertise: Hands-on experience in securing APIs, including mitigating threats such as DDoS attacks, SQL injection, and implementing mTLS (mutual TLS) and Data Loss Prevention (DLP) to ensure robust protection and compliance.
    • Open Source & Innovation Expertise: Stay up to date with the latest advancements in the open-source community, with the ability to evaluate, adopt, and introduce cutting-edge technologies to enhance Airwallex's technology stack.

    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 @ email address. Please apply only through 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.
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