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Staff Software Engineer, Scale

AirwallexLondon, United Kingdom
RipplingTaxJavaSpringSpring Boot
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Build and maintain the multi-tenant infrastructure powering companies like Rippling, Navan, Qantas, and SHEIN. Architect systems that aggregate requests from all platform customers, meeting enterprise-grade SLAs for availability, latency, and throughput while handling cross-data-center scenarios. Own features that require synthesizing knowledge across business, regulatory, and technical domains areas where no single existing team has full coverage, like tax systems, compliance-driven flows, or monetization tools. Design integrations for enterprise prospects by translating their business requirements into technical solutions. Architectural decisions directly influence deal outcomes from enabling multi-million dollar contracts to differentiating in competitive sales.


Who You Are

  • Have 8+ years of software engineering experience (8+ for Staff) in Java/Spring Boot
  • Excel at making the right level of abstraction balancing flexibility and simplicity in system/component design
  • Demonstrate clean communication across technical and non-technical stakeholders
  • Make pragmatic decisions on when to optimize for performance vs. velocity based on business impact
  • Thrive in cross-functional environments spanning Product, Design, Compliance, and Sales
  • Design for scale, maintainability, and production excellence
  • Have led multi-team initiatives with measurable technical or business impact

Bonus if you have

  • Fintech, payments, or regulated industry experience
  • High-scale performance tuning (100k+ QPS, large user bases, strict latency SLAs)
  • Multi-tenant SaaS or platform architecture background
  • Proficiency with PostgreSQL, Redis, Kafka, or cloud platforms (AWS/GCP/Azure)
  • Experience with OAuth2.0, API design, or developer documentation
  • Cross-region deployment or data residency compliance experience
  • Solutions engineering or customer-facing technical experience

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FAQ

Is the Staff Software Engineer, Scale position at Airwallex remote?
Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
When was this Staff Software Engineer, Scale job posted?
This listing was posted on March 12, 2026 and is still open for applications.
How do I apply for the Staff Software Engineer, Scale position at Airwallex?
Use the apply button on this page — it takes you directly to the employer’s application page.