Senior Software Engineer, Growth

About the role

Airwallex, the AI-native financial operating system used by more than 675,000 businesses, is hiring a Senior Software Engineer for its Growth team in Singapore. The Growth team focuses on user acquisition and market expansion, using data and technology to build experiences that help users discover and engage with the products. The role centres on designing and building scalable backend systems.

Key responsibilities

• Design, develop and maintain microservices in Java/Kotlin (or similar) for high-traffic, high-availability systems, with service-to-service communication, orchestration and fault tolerance.
• Build data pipelines, analytics platforms and event-driven architectures with data scientists and product managers, keeping data accurate and accessible.
• Work with Frontend, Product, Design and Marketing teams, taking part in architectural and code reviews and strategy sessions.
• Support rapid A/B testing, feature toggles and real-time performance monitoring, improving backend functionality to boost engagement and conversions.
• Apply secure coding practices, strengthen authentication and authorization, and address security risks.

Required profile

• Bachelor's degree or above in computer science or a related field.
• 5+ years of experience in modern engineering practices focused on continuous integration and quality engineering.
• Strong computer science fundamentals and a solid understanding of OOP concepts.
• Experience with domain-driven design and event-driven architectures.
• Deep experience with high-throughput, low-latency, highly available distributed systems.

Required skills

• Java/Kotlin and Spring/Spring Boot (preferred).
• Cloud experience with GCP (preferred) or AWS (EC2, RDS, ELB, CloudFront) with Docker and Kubernetes.
• Observability tooling such as Splunk, Grafana and Prometheus.
• Preferred: end-to-end GTM operations experience, data warehousing, customer segmentation, analytics tools, and AI/LLM product experience.