Staff Software Engineer, Search Platform

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 200000 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 2000 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$8 billion and backed by world-leading investors including T. Rowe Price Visa Mastercard Robinhood Ventures Sequoia Salesforce Ventures DST Global and Lone Pine Capital Airwallex is leading the charge in building the global payments and financial platform of the future. If youre ready to do the most ambitious work of your career join us.

Attributes We Value

We hire successful builders with founder-like energy who want real impact accelerated learning and true ownership. You bring strong role-related expertise and sharp thinking and youre motivated by our mission and operating principles. You move fast with good judgment dig deep with curiosity and make decisions from first principles balancing speed and rigor.

Youre humble and collaborative; turn zerotoone ideas into real products and you get stuff done end-to-end. You use AI to work smarter and solve problems faster. Here youll tackle complex highvisibility problems with exceptional teammates and grow your career as we build the future of global banking. If that sounds like you lets build whats next.

What youll do

As a vital member of the Search PlatformTeam 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 distributed systems vector databases and data pipeline solutions;

• Comprehensive organization-wide evaluations of strategic solutions.

Responsibilities:

• Work closely with Product Managers to analyze the product requirements and then produce the technique solutions & execution plan to deliver the software products;

• Hands-on design implement and deliver production-grade streaming ingestion using Flink (or similar technologies) focusing on low-latency high-throughput and fault-tolerant design

• Tackle challenging problems in timely computation stateful stream processing partitioning and resilience. Proactively troubleshooting and addressing technical bottlenecks.

• Participate in and contribute to critical code design and performance reviews raising the technical bar across the team

• Engage with the Technical leads in building a backlog that continuously contributes to the execution of the roadmap;

• Collaborate with local/global engineering teams infrastructure teams and product development teams and translate business requirements into robust engineering solutions

Who you are

Were looking for people who meet the minimum qualifications for this role. The preferred qualifications are great to have but are not mandatory.

Minimum qualifications:

• More than 7 years of back-end development experience; Have experience in developing large-scale distributed systems.

• Proficient in coding and scripting languages (Java(Kotlin) /C /Python etc.) with strong software and system design abilities.

• Deep familiarity with the standard library idiomatic usage and best practices of your primary programming languages. Able to write clear maintainable and efficient code

• In depth knowledge on storage & streaming over PostgreSQL or Kafka.

Preferred qualifications:

• Experience on event driven architecture & parallelisation

• Prior work on large-scale data processing pipelines and Search engine(e.g. using Kafka Spark or Flink & ElasticSearch)

• Exposure to microservice architectures observability and cloud-native infrastructure (e.g. Docker Kubernetes).

• Experience integrating AI-powered search enhancements such as embeddings semantic search or re-ranking models is a plus.

Applicant Safety Policy: Fraud and Third-Party Recruiters

To protect you from recruitment scams please be aware that Airwallex will not ask for bank details sensitive ID numbers (i.e. passport) or any form of payment during the application or interview process. All official communication will come from an @ email address. Please apply only through or our official LinkedIn page.

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.

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 dont 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.

Required Experience:

Staff IC