--- title: 'Senior Software Engineer, Infrastructure (Data & AI) at Airwallex' canonical: 'https://feeny.ai/job/senior-software-engineer-infrastructure-data-ai-airwallex-seoul-vnts8sp6cfx3' type: 'job' last_seen: '2026-11-04' --- # Senior Software Engineer, Infrastructure (Data & AI) at Airwallex - **Company:** [Airwallex](https://feeny.ai/companies/airwallex) - **Location:** Seoul, South Korea - **Employment:** full-time - **Posted:** 2026-09-29 - **Last confirmed live:** 2026-11-04 - **Apply:** https://jobs.ashbyhq.com/airwallex/af22a815-44f3-4217-ab91-c9861a949c45 ## Job description ## About Airwallex Airwallex is the AI-native financial operating system for a real-time, intelligent economy. More than 675,000 businesses, including McLaren Racing, Qantas, SHEIN, and TikTok, use us, directly or through our platform partners, to run their financial operations or build and monetize financial products of their own. We started in Melbourne in 2015 to build the infrastructure global commerce runs on. We're the regulated backbone behind global payments: not by accident, but by design. A decade plus, 85+ licenses, and a financial infrastructure spanning North America, Europe, the Middle East, and Asia-Pacific. We're co-headquartered in San Francisco and Singapore, with more than 2,700 people across 27 offices. We hire builders with founder-level energy, people who move fast with good judgment, dig in with real curiosity, and make calls from first principles rather than waiting to be told what to do. Read our[operating principles](https://www.airwallex.com/en-us/operating-principles) to see it in full. ## How you'll make impact You’ll build and operate the infrastructure that powers Airwallex’s data and AI platforms. You’ll design highly available systems on Kubernetes and public cloud platforms, and develop scalable foundations for streaming, batch processing, and real-time workloads using technologies such as Kafka, Spark, and Flink. - Build and operate highly available data and AI infrastructure on Kubernetes and public cloud platforms. - Develop scalable foundations for streaming, batch processing, and real-time data workloads using technologies such as Kafka, Spark, and Flink. - Evolve AI infrastructure, including AI gateways, model-routing layers, traffic management, rate limiting, authentication, observability, and usage controls. - Deliver self-service capabilities that help data, AI, and application teams deploy and operate workloads safely and independently. - Partner across engineering disciplines to turn emerging data and AI requirements into durable platform capabilities. - Improve the scalability, reliability, and efficiency of our data and AI infrastructure, while reducing the operational effort required to deploy and manage workloads. This role is based in Seoul, South Korea. Address: Units 1006, Partners Tower, 83 Gasan digital 1-ro, Geumcheon-gu, Seoul, Republic of Korea, 08589 서울 금천구 가산디지털1로 83, 1006 호(가산동, 파트너스타워) ## What we're looking for Essentials - 5+ years in DevOps, SRE, or platform engineering, owning production systems end to end. - Strong experience designing, operating, and troubleshooting production Kubernetes environments. - Experience building or operating distributed data infrastructure with technologies such as Kafka, Spark, or Flink, or experience developing AI infrastructure such as AI gateways or model-routing platforms. - Hands-on experience with at least one major public cloud platform, such as AWS, Google Cloud, or Microsoft Azure. - Strong knowledge of cloud and container networking, including DNS, load balancing, ingress, service discovery, TLS, routing, and network security. - Proficiency in one or more of Go, Python, or Java, with experience writing maintainable production software. - A solid understanding of distributed-systems concepts, including availability, consistency, fault tolerance, backpressure, and horizontal scalability. - Experience operating critical infrastructure using infrastructure-as-code, automated delivery, and modern observability practices. - Strong debugging skills and the ability to work methodically across multiple layers of a complex system. - Clear communication skills and a track record of collaborating effectively across engineering disciplines. - An ownership mindset: you identify important problems, drive them to resolution, and improve the underlying system rather than treating symptoms. ## Preferred - Platform engineering experience, particularly building internal developer platforms or paved-road workflows used by multiple engineering teams. - Hands-on experience with serving technologies such as SGLang, vLLM, or NVIDIA Triton Inference Server. - Knowledge of GPU scheduling, batching, model parallelism, memory management, autoscaling, and inference-performance optimization. - Experience improving the cost efficiency of large-scale data processing or AI inference workloads. - Contributions to infrastructure, data-platform, Kubernetes, or AI-serving open-source projects. You'll thrive here if - You're comfortable owning the roadmap yourself. - You own the outcome and you don't wait for permission to fix what's broken. - You're comfortable with ambiguity. Give you a problem, not a prescription, and you'll run with it. - You say what you mean. You're direct, but you lead with respect. - You connect dots across functions and hold the big picture without losing grip on the details. Learn more about your team The Infrastructure & Productivity team at Airwallex builds the technical foundation that allows our global engineering organization to scale. Our customers are our fellow engineers, and our mission is to make their daily work faster, safer, and more effective by managing the core platforms everyone relies on, from Kubernetes and Kafka to CI/CD pipelines and observability systems. The real challenge lies in keeping these global systems highly reliable and secure while simultaneously optimizing cloud costs, automating manual support, and driving standardization without slowing down product delivery. We operate under the philosophy that best practices should be the path of least resistance, not a forced mandate. If you're a systems thinker who wants to work close to the core of the company and directly shape how we build, deploy, and scale software worldwide, this is where that work happens. 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](http://airwallex.com) email address. Please apply only through [careers.airwallex.com](http://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. ## About Airwallex ## Company Overview - **One-liner**: Airwallex is a financial technology company building a unified global payments and banking platform that helps businesses manage cross-border payments, treasury, spend, and financial operations through proprietary infrastructure, software, and AI. - **Entity Type**: Private (Series G) - **Headquarters**: Dual headquarters in Singapore and San Francisco, USA; founded in Melbourne, Australia - **Founded**: 2015 - **Founders**: Jack Zhang (CEO), Lucy Liu, Max Li, Xijing Dai, and Ron Li ## Core Business - Primary industry: Financial Services / Payments / Fintech Infrastructure - Target customers: B2B, primarily serving SMBs, scaling enterprises, digital platforms, and marketplaces globally - Mission or purpose statement: "Build the future of global banking" — they aim to replace legacy, fragmented banking systems with a borderless, intelligent, real-time financial operating system for modern businesses. ## Products & Services - **[Business Accounts]**: Multi-currency global accounts to receive, hold, and manage funds in 20+ currencies, with local account details for key markets. - **[Payments]**: Global payment acceptance via 160+ local payment methods, low-code checkout, and programmatic payout capabilities to 200+ countries. - **[Spend / Corporate Cards]**: Multi-currency corporate and employee cards with customisable spend controls, designed for global teams. - **[Expense Management]**: A platform to track, control, and reconcile global business expenses, including employee reimbursements. - **[Billing & Subscription Management]**: A billing platform for usage-based and subscription pricing models, supporting AI companies and complex revenue workflows. - **[Platform APIs]**: API-first infrastructure enabling businesses to embed financial services (accounts, payments, FX, card issuing) into their own products. - **[FX & Treasury]**: Interbank foreign exchange rates and tools to intelligently manage currency risk across markets. ## Market Standing - **Valuation**: US$11 billion (latest valuation in 2025, following a fresh investment round). - **Key Metric**: US$1.8 billion in total funding raised; Annual Recurring Revenue (ARR) surpassed US$1 billion by 2025. - **Notable Investors/Partners**: Series G investors include prominent global venture capital firms (specific names not listed in source but backed by top-tier VCs); serves over 200,000 businesses including TikTok, Brex, Rippling, Navan, Qantas, and SHEIN. - **Growth Signals**: - US$287 billion in global payments processed (USD). - 92% of transfers settled same-day, 50% processed instantly. - Over 85 financial licenses and registrations globally. - Team of ~2,300 people across 27 offices internationally. - Dual-headquarters model (Singapore + San Francisco) adopted in 2025 to support next phase of growth. ## Competitive Advantages - Proprietary, API-first infrastructure built from scratch (not riding legacy banking rails), enabling faster, cheaper, and more transparent cross-border transactions. - Unified platform combining banking, payments, spend management, billing, and FX — reducing the need for multiple vendors. - Deep AI integration across the platform to automate financial operations and provide intelligent insights. - Extensive regulatory licensing (85+ licenses) across major markets, creating a high barrier to entry. - Strong network effects: serves both direct businesses and platforms/marketplaces that embed Airwallex into their offerings. ## Strategic Focus - Continue scaling the platform to support the rapid growth of AI-native companies and usage-based business models (highlighted by the launch of their global billing platform). - Expand the dual-headquarters presence to tap into the largest tech talent markets (San Francisco and Singapore). - Invest heavily in AI to build "interconnected, intelligent financial systems where money, data, and decisions move together." - Deepen product capabilities to automate financial operations end-to-end for global businesses. ## Why Work Here - High-growth, ambitious environment: described as "the most ambitious work of your career" by the company; founded in 2015 and already processing $287B in payments. - Global impact and scale: work on infrastructure used by 200,000+ businesses, from startups to enterprises like TikTok and SHEIN. - Hybrid/office culture: 27 offices globally (Melbourne, Singapore, San Francisco, London, Shanghai, Amsterdam, and more) offering opportunities to work across teams and locations. - Engineering-driven culture: heavy emphasis on building proprietary technology, AI, and developer-first products. - Notable perks: opportunity to work on a modern financial stack, exposure to cutting-edge AI/Fintech intersection, and a diverse, international team of "2,200 of the brightest and most innovative people in tech." ## Sources 1. [airwallex.com - Who We Are](https://www.airwallex.com/en-eu/who-we-are) 2. [airwallex.com - Global Platform](https://www.airwallex.com/global) 3. [careers.airwallex.com](https://careers.airwallex.com/) 4. [LinkedIn - Airwallex](https://www.linkedin.com/company/airwallex) 5. 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