Staff Software Engineer, Backend - Tech Platform

About Airwallex

Airwallex is a global fintech leader dedicated to building financial infrastructure to scale the digital economy. With a robust platform that provides business banking solutions including payments, treasury management, and more, Airwallex empowers businesses to operate anywhere, anytime. Founded by a team of business owners and engineers, Airwallex envisions a world where companies can thrive without the barriers of geographical borders or financial complexities.

The Opportunity: Be Part of Our Tech Platform Team

Become an integral part of our Tech Platform team, where you will play a critical role in advancing our identity solutions and fortifying our account infrastructure. We are on the lookout for passionate engineers driven to work on cutting-edge projects that enhance the availability, scalability, and security of our platform. Engage in global collaboration with product managers, designers, and fellow engineers to deliver exceptional IAM solutions that safeguard businesses and optimize our account infrastructure for Airwallex's exponential growth.

What You'll Do

Develop and Evolve: Working with best talents and build IAM products with revolutionary technologies to keep businesses secure.

Measure and Optimize: Leverage data to drive decisions. Your keen data sense will help you measure the success of our products and identify opportunities for optimization and growth.

Engineer Excellence: Champion engineering excellence by establishing and maintaining high standards for code quality, performance, and security. Design and implement scalable infrastructure solutions that support and accelerate Airwallex's exponential growth.Who You Are

You might be a great fit if you

• Have 5+ years of software engineering experience (8+ for Staff) in Java/Spring Boot

• Excel at making the right level of abstraction-balancing flexibility and simplicity in system/component design

• Demonstrate clean communication across technical and non-technical stakeholders

• Make pragmatic decisions on when to optimize for performance vs. velocity based on business impact

• Thrive in cross-functional environments spanning Product, Design, Compliance, and Sales

• Design for scale, maintainability, and production excellence

• (Staff) Have led multi-team initiatives with measurable technical or business impact

Bonus if you 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

Why Join Us

• Build Something That Matters: Your work directly impacts how millions of people use financial services. Companies like Brex and SHEIN rely on infrastructure you'll build. You're not just writing code-you're shaping how businesses embed finance.

• Grow Beyond Engineering: You'll develop expertise that extends beyond technical skills: understanding customer business models, navigating regulatory landscapes, influencing enterprise sales. This is career growth that prepares you for technical leadership, product roles, or even founding your own company.

• Join a World-Class Team: Work with exceptional engineers, product thinkers, and designers across the globe. At Airwallex, you'll be challenged, supported, and surrounded by people who are building something meaningful together.