Senior Software Engineer, Risk

Airwallex
Singapore
Workplace: OnsiteFull timeFunction: Software EngineeringSkills: ["Kotlin","Java","Microservices","Distributed systems","Machine learning","LLMs","Gen AI","APIs","Observability"]

Design, build, and operate core transaction risk services for Airwallex, using Kotlin/Java in a high-concurrency microservices environment. You’ll lead end-to-end delivery, drive architectural improvements, mentor engineers, and engage in on-call incident responses to keep products safe and scalable.

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FursaFursa
Airwallex
Airwallex
3 months ago

Senior Software Engineer, Risk

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Source: Company careers pageValidated by: Fursa AI
Last checked: 1 hour agoStatus: Live

Job Summary

Design, build, and operate core transaction risk services for Airwallex, using Kotlin/Java in a high-concurrency microservices environment. You’ll lead end-to-end delivery, drive architectural improvements, mentor engineers, and engage in on-call incident responses to keep products safe and scalable.
Location: Singapore
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Sr. Manager level

Key Responsibilities

  • •Design, develop, and operate core transaction risk services and infrastructure using Kotlin/Java, supporting payment products and transaction systems
  • •Own end-to-end delivery of key components and services on Airwallex’s microservice framework: design, implementation, testing, deployment, and observability
  • •Build high-concurrency, highly available distributed services, optimizing latency, throughput, and reliability for production workloads
  • •Collaborate with senior engineers and cross-functional partners to define technical solutions, APIs, and service boundaries; drive architectural improvements
  • •Mentor engineers through code reviews, design discussions, and engineering best practices, improving team quality and delivery efficiency

Key Requirements

  • •Proficiency in Kotlin/Java and building high-concurrency, distributed services using a microservice architecture
  • •Experience delivering end-to-end components: design, implementation, testing, deployment, and observability
  • •Ability to optimize latency and throughput while maintaining reliability in production workloads
  • •Strong collaboration with senior engineers and cross-functional partners to define APIs and service boundaries
  • •Mentor engineers through code reviews and design discussions; participate in on-call incident response
Skills:KotlinJavaMicroservicesDistributed systemsMachine learningLLMsGen AIAPIsObservability
Languages:English
Tech Stack:KotlinJavaMicroservicesGraphMachine learningLLMsGen AIAPIsObservability

Company Brief

Airwallex
Airwallex is a global payments and financial platform that provides business accounts, cross-border payments, treasury, corporate cards, and embedded finance APIs to help companies manage global financial operations and scale internationally.
Industry: Fintech Infrastructure
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series E+
Headquarters: Singapore, Singapore
Founded: 2015
Glassdoor
Glassdoor: 3.7
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