{"id":1017579,"url":"https://alion.io/job/airwallex-senior-software-engineer-data-and-ai-infrastructure","title":"Senior Software Engineer, Data and AI Infrastructure","company":{"id":3358,"name":"Airwallex","domain":"airwallex.com","url":"https://alion.io/company/airwallex","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":86,"open_postings":161,"ghost_share":0,"stale_share":0.348,"repost_share":0.012,"time_to_fill_p50_days":78,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Seattle, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150000,"max":245000,"currency":"USD","period":"year","gross":null,"usd_annual":245000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"DNS","optional":false},{"name":"Flink","optional":false},{"name":"GCP","optional":false},{"name":"Go","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Platform Engineering","optional":false},{"name":"Python","optional":false},{"name":"SGLang","optional":false},{"name":"Spark","optional":false},{"name":"Triton Inference Server","optional":false},{"name":"vLLM","optional":false}],"status":"live","first_seen_at":"2026-09-17T21:50:06Z","employer_posted_date":"2026-09-17","last_verified_at":"2026-11-09T09:09:01Z","board_verified":true,"closed_at":null,"days_open":52,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":52},"description":"About Airwallex\nAirwallex 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.\nWe 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.\nWe're co-headquartered in San Francisco and Singapore, with more than 2,300 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 ouroperating principles to see it in full.\nHow you'll make impact\nYou’ll design, build, and operate highly available data and AI infrastructure on Kubernetes and public cloud platforms. You’ll develop scalable platforms for streaming, batch processing, and real-time data workloads using technologies such as Kafka, Spark, and Flink, while building AI infrastructure including gateways, model-routing layers, traffic management, rate limiting, authentication, observability, and usage controls.\nImprove the scalability, reliability, efficiency, and cost visibility of production data and AI workloads.\n\nBuild self-service capabilities that help data, AI, and application teams deploy and operate workloads safely and independently.\n\nPartner across engineering to turn emerging data and AI requirements into durable platform capabilities.\n\nDeliver the technical foundations for the next generation of data and AI infrastructure.\n\nDrive platform capabilities that help engineering teams operate critical workloads with greater independence.\n\nYou’ll work from our Seattle office three days a week.\nWhat we're looking for\nEssentials\n5+ years in DevOps, SRE, or platform engineering, owning production systems end to end.\n\nStrong experience designing, operating, and troubleshooting production Kubernetes environments.\n\nExperience 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.\n\nHands-on experience with at least one major public cloud platform, such as AWS, Google Cloud, or Microsoft Azure.\n\nStrong knowledge of cloud and container networking, including DNS, load balancing, ingress, service discovery, TLS, routing, and network security.\n\nProficiency in one or more of Go, Python, or Java, with experience writing maintainable production software.\n\nA solid understanding of distributed-systems concepts, including availability, consistency, fault tolerance, backpressure, and horizontal scalability.\n\nExperience operating critical infrastructure using infrastructure-as-code, automated delivery, and modern observability practices.\n\nStrong debugging skills and the ability to work methodically across multiple layers of a complex system.\n\nClear communication skills and a track record of collaborating effectively across engineering disciplines.\n\nAn ownership mindset: you identify important problems, drive them to resolution, and improve the underlying system rather than treating symptoms.\n\nPreferred\nPlatform engineering experience, particularly building internal developer platforms or paved-road workflows used by multiple engineering teams.\n\nHands-on experience with serving technologies such as SGLang, vLLM, or NVIDIA Triton Inference Server.\n\nKnowledge of GPU scheduling, batching, model parallelism, memory management, autoscaling, and inference-performance optimization.\n\nExperience improving the cost efficiency of large-scale data processing or AI inference workloads.\n\nContributions to infrastructure, data-platform, Kubernetes, or AI-serving open-source projects.\n\nYou'll thrive here if\nYou're comfortable owning the roadmap yourself.\n\nYou're comfortable with ambiguity. Give you a problem, not a prescription, and you'll run with it.\n\nYou own the outcome and you don't wait for permission to fix what's broken.\n\nYou're comfortable operating across time zones with a globally distributed team, including colleagues based in APAC and EMEA.\n\nYou say what you mean. You're direct, but you lead with respect.\n\nLearn more about your team\nThe 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.\nApplicant Safety Policy: Fraud and Third-Party Recruiters\nTo 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.\nAirwallex 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.\nEqual opportunity\nAirwallex 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. 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