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Senior Backend Engineer, Technology Platform



Software Engineering, IT
Posted on Monday, June 3, 2024

At Airwallex (, we’re building the future of global finance on one platform. Founded in 2015 in Melbourne, Airwallex is the leading financial technology platform for modern businesses to grow beyond borders. With one of the world’s most powerful payments infrastructure, our technology empowers businesses of all sizes to accept payments, move money globally, and simplify their financial operations, all on one single platform.

If you’re excited to do the most ambitious work of your career and change the way money moves around the world - join us!

We are hiring a experienced software engineer for Airwallex's Technology Platform team, where we build a highly scalable, efficient, performant, reliable, and extensible core platform that offers generic framework solutions where our cutting-edge upper layer financial applications run.

As a member of the Tech Platform Team, you will be part of a specialized force that meticulously bridges the gap between business exigencies and architectural finesse. You will engage in:

  • An advanced application infrastructure meticulously crafted to alleviate common challenges across the entire organization, significantly lowering maintenance costs for developers and streamlining innovation;

  • Masterfully addressing intricate, organization-wide challenges through the strategic deployment of cutting-edge technologies such as reactive programming, temporal, vector databases, distributed systems, and advanced gateway solutions;

  • Comprehensive, organization-wide evaluations of strategic solutions.

Who You Are

  • Skilled in Modern Technologies: You have a strong background in software development with expertise in Kotlin, Java, Kafka and modern architectures like micro-service and event-driven.

  • Innovative and Curious: You possess a relentless curiosity and a commitment to excellence, always probing and innovating to find better solutions.

  • Diverse and Collaborative: You thrive in diverse, global teams and contribute to a collaborative, inclusive work environment.

  • Efficient and Proactive: You focus on automating tasks to concentrate on high-impact activities and are proactive in reducing technical debt.

  • Broad Technical Interests: You are interested in beyond backend technologies, including design systems, search & AI technologies, gateway technologies and data analytics.

Your Experience

  • More than 5 years of experience in Java backend application development;

  • Bachelor's degree in computer science and related majors;

  • At least 2 years of experience building distributed search systems using elastic search and have hands on experience on managing, maintaining and tuning elastic search clusters

  • Familiar with Java 8, Java multi-threading, high concurrency, IO / NIO, network communication, etc .;

  • Familiar with commonly used design patterns;


  • Experience with distributed databases or storage systems for example Cassandra/Redis/NoSQL

  • Strong hands-on knowledge with full implementation of Elastic search

  • Proficient in elastic query for retrieve

  • Design and implement highly scalable ELK (ElasticSearch, Logstash, and Kibana) stack solutions

  • Kotlin / Scala / Python / RabbitMQ / Kafka

Why Join Us

  • Impact and Innovation: Join a team where innovation meets impact. With us, you will redefine the technological landscape of the financial world.

  • Diversity and Collaboration: Our strength lies in our diversity and collaborative spirit, ensuring a rich, inclusive workspace.

  • Cutting-edge Technology: You will work with groundbreaking technologies that keep you engaged and continuously learning.

  • Community and Growth: Engage in a vibrant community with guild meetings and shared initiatives that foster knowledge sharing and professional growth.

  • Empowerment: Be part of a team where your contributions spearhead change and your growth knows no bounds in a supportive environment

Airwallex is proud to be an equal opportunity employer. We value diversity and anyone seeking employment at Airwallex is considered based on merit, qualifications, competence and talent. We don’t regard color, religion, race, national origin, sexual orientation, ancestry, citizenship, sex, marital or family status, disability, gender, or any other legally protected status when making our hiring decisions. If you have a disability or special need that requires accommodation, please let us know.

Airwallex does not accept unsolicited resumes from search firms/recruiters. Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s). Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary.