Senior Fullstack Engineer, Scale
Airwallex, UK - London
Nice to 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.
How you'll make impact
Own the frontend work for the Scale team, taking responsibility for the design, implementation, and ongoing quality of user-facing experiences across our platform products. You'll work independently on ambiguous problems, partnering with backend engineers, Product, Design, and other stakeholders to turn customer and business requirements into reliable, maintainable solutions.
- Build and maintain frontend experiences across the stack, with particular ownership and depth in React-based development