Senior Software Engineer - Lending Platform

About Airwallex

Airwallex offers a comprehensive, unified payments and financial platform designed for global enterprises. Utilizing proprietary infrastructure and software, it serves over 250,000 businesses worldwide, including prominent companies such as Brex, Navan, Qantas, and SHEIN. The company supports solutions ranging from business accounts and payments to spend management, treasury, and embedded finance on a global scale.

Founded in Melbourne, Airwallex employs over 2,300 highly skilled professionals across 27 offices globally. Valued at $11 billion USD, it is backed by leading investors like T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital. The company is at the forefront of building the next-generation global payments and financial platform.

Core Attributes

Airwallex seeks driven individuals with entrepreneurial spirit who desire impactful work, rapid learning, and ownership. Candidates should have strong expertise and analytical thinking, be motivated by the company's mission and principles, and balance speed with thoughtful decision-making. The culture promotes humility, collaboration, end-to-end ownership, and innovative problem solving enhanced by AI, working on complex problems alongside exceptional team members.

Team and Role Overview

The Singapore-based Lending Engineering team at Airwallex is responsible for developing a cutting-edge lending platform. This platform allows enterprise clients to deliver innovative credit products seamlessly using Airwallex’s technology. The team handles the design, implementation, and scalability of a credit product portfolio for global enterprises and continuously advances the embedded lending platform’s architecture and reliability.

Key Responsibilities

• Architect, develop, and sustain resilient services that power the lending platform, emphasizing credit products.
• Create and manage secure, scalable, and well-documented APIs that enable clients to integrate credit products within their systems.
• Lead technical design reviews, provide architectural guidance, and mentor engineering team members to maintain high standards of code quality.
• Advocate best practices in distributed systems design that ensure the platform’s reliability and high performance at enterprise scale.
• Collaborate with cross-functional teams to deliver effective lending solutions.
• Emphasize automated testing, thorough code review, and monitoring to uphold platform stability, scalability, and security.
• Keep abreast of industry developments and proactively suggest enhancements to platform architecture, engineering methods, and delivery efficiency.

Minimum Qualifications

• Bachelor’s degree or higher in Computer Science, Engineering, or a closely related technical field.
• Over 5 years of practical software engineering experience, familiar with modern engineering workflows, continuous integration, and quality assurance.
• At least 2 years in technical leadership roles, including mentoring engineers and steering engineering strategies.
• Strong foundation in computer science concepts and object-oriented programming, with proven backend systems development experience primarily using Java or Kotlin alongside Spring/Spring Boot framework.
• Extensive experience designing and implementing RESTful APIs, with understanding of modern API design principles.
• Practical knowledge of domain-driven design and event-driven architectures in production.
• Demonstrated experience building and maintaining scalable, high-throughput, low-latency distributed systems.
• Cloud platform proficiency, preferably on GCP, or AWS (services such as EC2, RDS, ELB, CloudFront) combined with Docker and Kubernetes.
• Experience with observability and monitoring tools like Splunk, Grafana, and Prometheus.

Preferred Qualifications

• Experience working with SaaS products delivered as platforms.

Applicant Safety Policy

To protect applicants from fraud, Airwallex will never request financial information, sensitive IDs like passports, or payments during recruitment. All official communications come from airwallex.com email addresses. Candidates should apply through official company channels only. Airwallex does not accept unsolicited resumes from recruiters and does not pay fees for unsolicited submissions.

Equal Opportunity Statement

Airwallex is committed to equal opportunity employment, valuing diversity and making hiring decisions solely based on merit, qualifications, and talent. They do not discriminate on legally protected characteristics. Applicants requiring accommodations because of disabilities or special needs are encouraged to notify the company.