Backend Engineer • Senior

Who you are

You have 5+ years of backend engineering experience, particularly in building scalable production systems. You’ve owned services from design through deployment and have a knack for debugging complex distributed systems issues. Your expertise in Java and Spring is deep — you’ve shipped high-throughput APIs that handle millions of requests and have strong opinions on service architecture, dependency injection, and testing strategies. You thrive in collaborative environments, working closely with cross-functional teams to turn innovative ideas into real products. You are motivated by the mission of empowering businesses globally and are eager to tackle complex, high-visibility problems. You are humble and collaborative, always looking to learn and grow while helping others do the same.

Desirable

Experience with cloud platforms like AWS or GCP would be a plus, as well as familiarity with microservices architecture. If you have worked in fintech or have a strong understanding of payment systems, that would be advantageous. You are comfortable using AI tools to enhance your work and solve problems more efficiently.

What you'll do

As a Senior/Staff Backend Engineer at Airwallex, you will be responsible for designing and implementing robust backend systems that support our unified payments and financial platform. You will collaborate with product managers and frontend engineers to define and build APIs that are not only efficient but also scalable. Your role will involve optimizing existing systems for performance and reliability, ensuring that our infrastructure can handle the demands of a growing user base. You will also participate in code reviews, providing constructive feedback to peers and mentoring junior engineers. Your contributions will directly impact the success of our platform, enabling businesses worldwide to manage their financial operations seamlessly.

What we offer

At Airwallex, we offer a competitive salary and benefits package, including opportunities for professional development and career growth. You will be part of a diverse team of over 2,000 innovative individuals across 26 offices globally, all working towards a common goal of transforming the financial landscape. We foster a culture of collaboration and encourage you to bring your unique perspective to the table. Join us in building the future of payments and finance, where your work will have a meaningful impact on businesses around the world.