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Senior Software Engineer, Growth

Airwallex· Engineering
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Hybrid (US - Seattle)$158k - $225kFull-timePosted 5d ago

About the role

Senior Backend Engineer role in Growth Engineering at Airwallex, focused on building AI-native growth platforms, scalable backend systems, and end-to-end delivery for customer acquisition, activation, conversion, retention, and expansion.

Responsibilities

  • Build scalable backend systems, including high-performance APIs, distributed services, event-driven architectures, and real-time data processing capabilities that power growth automation and intelligent decision-making.
  • Develop AI-native capabilities that transform customer signals, product usage, lifecycle events, and business context into personalized experiences, next-best actions, and automated workflows.
  • Own end-to-end technical delivery, independently designing, implementing, deploying, and operating complex backend services and platform components.
  • Design for reliability and scale, building secure, observable, highly available services while continuously improving system performance and operational excellence.
  • Solve ambiguous business problems, partnering with Product, Data Science, Marketing, Sales, and other engineering teams to translate requirements into pragmatic technical solutions.
  • Elevate engineering quality through thoughtful system design, code reviews, knowledge sharing, and mentoring other engineers.

Qualifications

  • 5+ years of professional software engineering experience, with substantial experience building and operating production backend systems, and a bachelor's degree in Computer Science, Engineering, or a related field.
  • Strong proficiency in Python, Java, Kotlin, or a comparable backend language, with solid computer science fundamentals and experience with frameworks such as FastAPI or Spring Boot.
  • Strong understanding of distributed systems and backend architecture, including API design, data modeling, event-driven architectures, asynchronous processing, scalability, and reliability.
  • Proven ability to independently design and deliver complex backend solutions, making sound technical tradeoffs and owning services from implementation through production operations.
  • Strong ownership, problem-solving, and collaboration skills, with the ability to navigate ambiguity, work effectively across functions, and deliver high-quality solutions with minimal oversight.

Skills

Required:Backend engineeringDistributed systemsPython/Java/Kotlin

Benefits

  • US-based employees eligible for medical, dental, and vision insurance, a 401(k) plan, short-term and long-term disability, basic life insurance, and well-being benefits.
  • 20 paid days of vacation and 12 paid days of company holidays in a calendar year.
  • Company-provided vacation days vary by location.
Last updated Oct 22, 2026. Interested? Apply on the company site.
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About Airwallex

Trusted Global Payments & Financial Platform

Grow your business faster with Airwallex - global business accounts, high speed transfers, multi-currency cards, online payments, embedded finance, and more.

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