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Senior Software Engineer, Transaction Risk

AirwallexSingaporePosted 18 May 2026

Airwallex is looking for a Senior Software Engineer to join their Risk Platform team in Singapore, focusing on transaction risk infrastructure. The role involves designing and maintaining scalable microservices to detect fraud using technologies like Kotlin, Java, and modern AI/ML tools. You will work on distributed systems, optimize for latency and throughput, and collaborate with cross-functional teams globally. The position requires strong end-to-end ownership, including architectural design and incident management.

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Experience

Experience not specified

Function

Engineering

Work mode

Onsite, Singapore

Company

Tier 2

What you will work on

Airwallex is looking for a Senior Software Engineer to join their Risk Platform team in Singapore, focusing on transaction risk infrastructure. The role involves designing and maintaining scalable microservices to detect fraud using technologies like Kotlin, Java, and modern AI/ML tools. You will work on distributed systems, optimize for latency and throughput, and collaborate with cross-functional teams globally. The position requires strong end-to-end ownership, including architectural design and incident management.

TAL's take

Quality 75/1005/5 clarityTier 2 company

High-growth global fintech with clear ownership of core transaction risk infrastructure.

Well-defined role scope, clear tech stack, and specific team context provided in the JD.

Must haves

  • Design and develop core transaction risk services using Kotlin or Java.
  • End-to-end delivery of microservices including testing, deployment, and observability.
  • Build high-concurrency and highly available distributed services.
  • Collaborate with cross-functional partners to define technical solutions.
  • Participate in on-call and incident response rotations.

Tools and skills

kotlinjavamicroservicesdistributed systems

Nice to have: graph databases, machine learning, llms, gen ai, streaming.

About the company

Airwallex is a well-capitalized fintech unicorn but falls just outside the globally dominant Tier 1 list.

Posts mentioning Airwallex

I saw $10k and brushed it off, until I saw Per Month 🤯 P.S. It is remote too 🙊

Go apply if you fit the bill. All the best! https://app.flexiple.com/job-description/airwallex-java?applicant_source=linkedin_karthik I'm not associated with company, it popped on my LinkedIn Sounded too good so sharing here. Hope someone benefits out of it!

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