{"id":66413,"url":"https://alion.io/job/airwallex-senior-software-engineer-business-accounts","title":"Senior Software Engineer, Business Accounts","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":163,"ghost_share":0,"stale_share":0.337,"repost_share":0.012,"time_to_fill_p50_days":78,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sydney, Australia"],"countries":["AU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":102000,"max_usd":219000,"period":"year","method":"role_seniority_country_cell","sample_n":9},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":true},{"name":"AWS","optional":true},{"name":"Docker","optional":true},{"name":"GCP","optional":true},{"name":"Grafana","optional":true},{"name":"Java","optional":true},{"name":"Kotlin","optional":true},{"name":"Kubernetes","optional":true},{"name":"Prometheus","optional":true},{"name":"Splunk","optional":true},{"name":"Vert.x","optional":true}],"status":"live","first_seen_at":"2026-05-11T10:10:18Z","employer_posted_date":"2026-05-11","last_verified_at":"2026-11-06T22:32:46Z","board_verified":true,"closed_at":null,"days_open":179,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":178},"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.\nAbout the team\nThe Business Accounts Team is building the intelligent orchestration layer for Airwallex’s business account ecosystem - connecting Cash, Yield, Lending, and broader Airwallex product surfaces into one unified financial experience for businesses.\nAs Airwallex continues to expand its product suite, our customers increasingly need programmable, automated, and intelligent ways to manage their money: moving funds between transactional accounts, yield-generating accounts, and lending facilities; optimising liquidity; and responding dynamically to business activity across payments, card spend, collections, and future product lines.\nBusiness Accounts is a new strategic domain designed to power this next generation of financial automation. This is a high-impact opportunity to join a new team at an early stage, shape the technical foundations of a core business platform, and build products that sit at the centre of Airwallex’s business customer experience.\nWhat you'll do\nAs the Senior Software Engineer on the Business Accounts team, you will help build the intelligent orchestration layer for Airwallex’s business account ecosystem, connecting Cash, Yield, Lending, and broader Airwallex product surfaces into a unified financial experience for businesses.\nThis role is based in Sydney.\nResponsibilities:\nContribute to the architecture and long-term technical vision of our backend systems, helping define the engineering strategy and framework selection for the Yield squad.\n\nOwn the end-to-end delivery of core investment workflows, including client signup, investment, and redemption processes-from design to production.\n\nBuild and maintain mission-critical financial infrastructure, such as reconciliation controls, unit registries, and investment ledgers.\n\nWrite high-quality, testable code with a focus on reliability and maintainability, ensuring seamless integration with our external investment providers.\n\nPromote and uphold engineering best practices, with a strong emphasis on observability, API design, and robust integration rails.\n\nCollaborate with cross-functional teams including Product, Infrastructure, and Design to ensure our product delivers the best possible experience for businesses.\n\nWho you are\nWe’re looking for people who meet the minimum qualifications for this role. The preferred qualifications are great to have, but are not mandatory.\nMinimum qualifications:\n5+ years of professional software engineering experience.\n\nBachelor degree or above in computer science or software engineering related majors.\n\nHave experience solving distributed systems challenges - scalability, consistency, latency.\n\nMastery of backend technologies is essential. While we do not mind what language you have most recently been using, we are using Kotlin w/ vert.x, Temporal & Kafka\n\nExperience working with automated tests and been involved in quality control processes.\n\nCloud technologies experience with GCP or AWS, including Docker and Kubernetes.\n\nExperience integrating with observability tooling such as Splunk, NewRelic, Prometheus, Grafana.\n\nPreferred qualifications:\nExperience in financial services, lending, payments, or credit products\n\nExperience with SaaS product offering as a platform.\n\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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