Senior Backend Engineer, Payments Application

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About Airwallex
Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 150,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale.

About Airwallex
Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 150,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale.
Proudly founded in Melbourne, we have a team of over 1,700 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$6.2 billion and backed by world-leading investors including Visa, Airtree, Blackbird, Sequoia, DST Global, Greenoaks, Salesforce Ventures, Lone Pine, and Square Peg, Airwallex is leading the charge in building the global payments and financial platform of the future. If you’re ready to do the most ambitious work of your career, join us.
Who We Are? (About the Team):
As a global engineering powerhouse, our team spans China, Australia and Singapore, embracing a rich tapestry of cultures and perspectives. Guided by our True North Vision, we're passionately striving to become the preferred payment partner for businesses seeking to boost revenue and streamline expenses.
Our vision is to become the world's leading choice for payment solutions by empowering merchants globally to unleash their full business potential through seamless, customizable payment applications that maximize customer satisfaction. And the mission is to simplify the complexities of payments for businesses by designing solutions that seamlessly integrate into their workflows, enhancing efficiency and driving customer conversion rates. Within our diverse and dynamic team, you'll find yourself at the intersection of innovation and practicality, where every contribution is essential in making payment processes effortless.
Joining us means becoming part of a global community of engineers leading the charge in reshaping the payments landscape while actively contributing to the operational success of businesses worldwide. Together, we're dedicated to revolutionizing financial operations for businesses, positioning our solutions as the cornerstone of their success.
What you'll do? (About the Role):
As a crucial member of our team, you will be instrumental in the design, development, and maintenance of cutting-edge payment and billing solutions, including Payment Link and Invoice, as well as payment plugins for leading third-party platforms such as Shopify and WordPress. Your efforts will empower businesses to effortlessly initiate sales and accept payments globally. In this pivotal role, you will drive the innovation of new features, enhance code efficiency, and work collaboratively with cross-functional teams across diverse domains and locations. Your contributions will significantly impact our mission to provide seamless payment solutions.
Responsibilities

• Collaborate with frontend engineers to build payment applications on third-party platforms.
• Design and develop backend systems based on Domain Driven Design, and establish constructive internal coding standards.
• Familiarize yourself with Airwallex's payment and billing platform and the API and product documentation of third-party platforms. Maintain the reliability of our applications.
• Regularly collaborate with customers and financial partners to ensure seamless integration and resolve customer support tickets.
• Work with the product team to deeply understand the business needs, scenarios, and subsequent development directions. Provide innovative technical solutions that contribute to business goals.
  

Who You Are?
We're looking for people who meet the minimum qualifications for this role. The preferred qualifications are great to have, but are not mandatory.
Minimum Qualifications

• Possess a minimum of 5 years of engineering experience, more than 2 years of Java development of internet application / large financial system/e-commerce platform;
• Bachelor degree in computer science and related majors;
• Proficient in Java 8, familiar with Java multi-threading, high concurrency, IO / NIO, network communication, etc.;
• Familiar with commonly used design patterns and Domain Driven Design, with experience in design and development of large-scale distributed, high concurrency, high load, high availability systems;
• Master various common server technologies, which can optimize service response and data query, ensure various service quality, and solve the problems of high concurrency and high availability;
• Proficient in PostgreSQL, MySQL or similar relational databases, familiar with Redis or Memcached, familiar with Kafka or similar message queuing systems;
• Familiar with Spring / Spring Boot;
• Familiar with HTTP, TCP / IP protocol and REST specifications;
• Master Gradle / Maven and other build tools;
• Familiar with the use of Docker cluster.
  

Preferred Qualifications

• Fluent in English;
• Familiar with JavaScript / Typescript / Node.js / React / Jest / Emotion;
• Proficient in Cassandra / NoSQL / TiDB / Elasticsearch / RocketMQ / RabbitMQ;
• Proficient in Kotlin / Golang / PHP / Scala;
• Proficient in gRPC / Protobuf / Thrift;
• Familiar with OLAP tech stacks, Hive / ClickHouse / Spark / IceBerg / Hudi;
• Familiar with Google Cloud Platform / Aliyun Cloud / AWS / Docker Swarm / Kubernetes.
  

Equal opportunity
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.
Compensation Range: CN¥40K - CN¥70K Seniority level

• Seniority level Mid-Senior level

Employment type

• Employment type Full-time

Job function

• Job function Engineering and Information Technology

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