Staff Software Engineer (Growth)

TL;DR

Staff Software Engineer (Growth): Designing and building scalable backend microservices for a global payments platform with an accent on high-availability, event-driven architectures, and user acquisition funnels. Focus on optimizing high-traffic systems, implementing A/B testing frameworks, and solving complex distributed systems challenges.

Location: Singapore

Company

Airwallex is a unified payments and financial platform for global businesses, providing integrated solutions for business accounts, payments, and treasury management.

What you will do

• Architect, develop, and maintain high-traffic microservices in Java/Kotlin to meet global user demands.
• Design data pipelines, analytics platforms, and event-driven architectures to enable data-driven growth decisions.
• Develop backend services supporting rapid A/B testing, feature toggles, and real-time performance monitoring.
• Collaborate with Frontend, Product, Design, and Marketing teams to translate business requirements into scalable solutions.
• Implement secure coding practices and robust authentication mechanisms to ensure global regulatory compliance.

Requirements

• Bachelor's degree or above in Computer Science or an engineering-related major.
• 5+ years of experience in modern engineering practices, continuous integration, and quality engineering.
• Deep expertise in high-throughput, low-latency, and high-availability distributed systems.
• Strong understanding of OOP concepts and experience with Domain Driven Design (DDD).
• Cloud experience with GCP (preferred) or AWS, including Docker and Kubernetes.
• Familiarity with observability tooling such as Splunk, Grafana, and Prometheus.

Nice to have

• Proficiency in JVM-based programming (Java or Kotlin) and Spring/Spring Boot.
• Experience solving end-to-end GTM (Go-To-Market) operations.
• Knowledge of data warehousing, customer segmentation, and analytics tools.
• Experience building internal or customer-facing products using AI and LLMs.

Culture & Benefits

• Founder-like energy and a culture of true ownership and high impact.
• Opportunity to solve complex, high-visibility problems within a global financial ecosystem.
• Collaborative environment with a strong emphasis on mentoring and knowledge sharing.
• Fast-paced fintech setting focused on accelerated learning and technical excellence.