Senior/ Staff Software Engineer, Core Banking (Relocate to Singapore) jobs in United States
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Airwallex · 1 day ago

Senior/ Staff Software Engineer, Core Banking (Relocate to Singapore)

positionAustin, TX
timeFull-time
remoteOnsite
senioritySenior Level, Lead/Staff
date5+ years exp

Airwallex is a unified payments and financial platform for global businesses, empowering over 200,000 businesses worldwide. The role involves leading the development of a transaction engine and maintaining a distributed multi-currency wallet platform while collaborating across teams to align technical solutions with business objectives.

FinanceFinancial ServicesFinTechPayments
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H1B Sponsor Likelynote

Responsibilities

Develop Cutting-edge Solutions: Lead the development of a transaction engine focused on scalability, financial accuracy, and adaptability
Build and maintain a distributed multi-currency wallet platform, providing precise financial oversight for client ledgers
Collaborate across teams with product and other engineer teams to ensure alignment between technical solutions and business objectives
Innovate productivity-enhancing tools and processes, exploring AI opportunities to continually improve our engineering practices and system observabilities
Thrive in a collaborative, energetic team environment that encourages innovation and continuous learning

Qualification

KotlinDistributed systemsAPI designContinuous integrationSystems designDockerKubernetesAsynchronous programmingCloud platformsFluent English

Required

5+ years experience in modern engineering practices focused on continuous integration/delivery and quality engineering
A commitment to producing high quality and well tested solutions
Strong computer science fundamentals/JVM based programming. While we do not mind what language you have most recently been using, we are using Kotlin
Systems design experience
Experience working with high throughput / low latency / HA distributed systems
Experience in API design best practices
Familiar with HTTP, TCP / IP protocol and REST specifications
Mastery of Gradle / Maven or other build tools
Familiar with the use of Docker cluster / Kubernetes
Fluent English communication skills

Preferred

Experience in Kotlin / Scala
Asynchronous ‘reactive' programming (RxJava, Akka, Spring Reactor, Vert.x)
Kafka event streams
GCP, Alicloud or AWS (EC2, RDS, ELB, CloudFront, etc) and Kubernetes exposure
Operational tooling such as Splunk, New Relic, StatsD, Elk, Datadog, Prometheus

Company

Airwallex

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Airwallex is a global payments and financial platform that provides business accounts, payment solutions, and spend management tools.
dateFounded in 2015
location
Singapore, Central Region, SGP
people-size1001-5000 employees
web-link
http://www.airwallex.com

H1B Sponsorship

Airwallex has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (16)
2024 (6)
2022 (2)

Funding

Current Stage
Late Stage
Total Funding
$1.53B
Key Investors
AdditionSquare Peg CapitalLone Pine Capital
2025-12-08Series G· $330M
2025-05-21Series F· $150M
2025-05-21Secondary Market· $150M

Leadership Team

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Jack Zhang
Co-Founder & CEO
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Jacob Dai
Co-Founder & CTO

Recent News

Mobile World Live
Airwallex targets Europe with €200M Dutch investment
2026-01-06
DealStreetAsia
Airwallex to invest $234m in the Netherlands marking shift from APAC base
2026-01-06
Electronic Payments International
Airwallex to invest in Netherlands as it ramps up Europe shift – report
2026-01-06
Company data provided by crunchbase