Airwallex

Senior Fullstack Engineer, Scale

Airwallex
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11 days ago
London, United KingdomSenior

Responsibilities

  • Own frontend work for the Scale team, including the design, implementation, and ongoing quality of user-facing platform experiences.
  • Build and maintain React-based frontend applications across the stack.
  • Deliver reliable and maintainable solutions for multi-tenant platforms, enterprise integrations, and cross-domain product features.
  • Partner with backend engineers, Product, Design, Compliance, Sales, and other stakeholders to translate requirements into technical solutions.
  • Make pragmatic decisions balancing performance, velocity, flexibility, simplicity, maintainability, and business impact.
  • Design for scale, maintainability, and production excellence while working independently on ambiguous problems.

Requirements

  • Strong experience building frontend applications with ReactJS.
  • Experience with modern JavaScript or TypeScript.
  • Full-stack experience with the ability to own frontend work end to end.
  • Track record of delivering high-quality software independently with minimal oversight.
  • Ability to make pragmatic technical decisions in ambiguous situations.
  • Clear communication with technical and non-technical stakeholders.
  • Preferred experience in fintech, payments, or regulated industries.
  • Preferred experience with high-scale performance tuning, multi-tenant SaaS, or platform architecture.
  • Preferred proficiency with PostgreSQL, Redis, Kafka, or AWS, GCP, and Azure.
  • Preferred experience with OAuth2.0, API design, developer documentation, cross-region deployment, or data residency compliance.
  • Solutions engineering or customer-facing technical experience is preferred.

Benefits

  • London office-based work three days per week.
  • The posting does not state compensation or additional benefits.
Airwallex

About Airwallex

1,001-5,000 employees

Airwallex builds a global payments and financial operations platform for businesses, offering payment acceptance, multi-currency accounts, FX and transfers, card issuing, treasury and spend management via APIs and web apps. It monetizes through transaction and foreign-exchange fees and related account services. Founded in Melbourne in 2015 and privately held, the company serves customers worldwide, with notable users including Brex, Canva and Qantas.

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