---
title: 'Senior Software Engineer, Yield at Airwallex'
canonical: 'https://feeny.ai/job/senior-software-engineer-yield-airwallex-sydney-67q67w5tdcy7'
type: 'job'
last_seen: '2026-09-09'
---

# Senior Software Engineer, Yield at Airwallex

- **Company:** [Airwallex](https://feeny.ai/companies/airwallex)
- **Location:** Sydney, Australia
- **Employment:** full-time
- **Posted:** 2025-10-21
- **Last confirmed live:** 2026-09-09
- **Apply:** https://jobs.ashbyhq.com/airwallex/f3dd6751-8145-4496-a1b5-2056f6ac3593/application

**Skills:** Kotlin, Vert.x, Temporal, Kafka, GCP, AWS, Docker, Kubernetes, Splunk, NewRelic, Prometheus, Grafana, Distributed Systems, Automated Testing, API Design

> Design and build high-integrity backend systems for the Yield investment product, owning end-to-end delivery of core workflows and financial infrastructure. The role involves contributing to technical vision, implementing scalable solutions using Kotlin and cloud technologies, and collaborating with cross-functional...

## Job description

## 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 250,000 businesses worldwide – including Brex, 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 2,300 of the brightest and most innovative people in tech across 27 offices around the globe. Valued at US$11 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 you’re 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 you’re motivated by our mission and operating principles https://www.airwallex.com/us/operating-principles. You move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor.

You're humble and collaborative; turn zero‑to‑one ideas into real products, and you “get stuff done” end-to-end. You use AI to work smarter and solve problems faster. Here, you’ll tackle complex, high‑visibility problems with exceptional teammates and grow your career as we build the future of global banking. If that sounds like you, let’s build what’s next.

## ABOUT THE TEAM

The Yield Team is the strategic force behind our investment product—a solution that empowers businesses to earn competitive returns on their idle cash without the restrictions of traditional term deposits. Following our recent market launch, we are focused on leveraging this flexibility to drive customer stickiness and long-term engagement.

As one of the fastest-growing business units at Airwallex, Yield operates like a startup within a startup, offering unparalleled opportunities for innovation and career growth. We are expanding aggressively on a global scale. If you're driven by innovation and eager to make a meaningful impact, Yield is the perfect place for you. Apply now and help shape the future of fintech!

This role is based in Sydney.

## WHAT YOU'LL DO

As a Senior Software Engineer on the Yield team, you will design and build the high-integrity backend systems that allow businesses to earn returns on their idle cash with total liquidity.

- Contribute to the architecture and long-term technical vision of our backend systems, helping define the engineering strategy and framework selection for the Yield squad.
- Own the end-to-end delivery of core investment workflows, including client signup, investment, and redemption processes—from design to production.
- Build and maintain mission-critical financial infrastructure, such as reconciliation controls, unit registries, and investment ledgers.
- Write high-quality, testable code with a focus on reliability and maintainability, ensuring seamless integration with our external investment providers.
- Promote and uphold engineering best practices, with a strong emphasis on observability, API design, and robust integration rails.
- Collaborate with cross-functional teams including Product, Infrastructure, and Design to ensure our product delivers the best possible experience for businesses.

## 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:

- 5+ years of professional software engineering experience.
- Bachelor degree or above in computer science or software engineering related majors.
- Have experience solving distributed systems challenges - scalability, consistency, latency.
- Mastery of backend technologies is essential. While we do not mind what language you have most recently been using, we are using Kotlin w/ vert.x, Temporal & Kafka
- Experience working with automated tests and been involved in quality control processes.
- Cloud technologies experience with GCP or AWS, including Docker and Kubernetes.
- Experience integrating with observability tooling such as Splunk, NewRelic, Prometheus, Grafana.

## 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 @airwallex.com http://airwallex.com email address. Please apply only through careers.airwallex.com http://careers.airwallex.com 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 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.

## About Airwallex

## Company Overview
- **One-liner**: Airwallex is a financial technology company building a unified global payments and banking platform that helps businesses manage cross-border payments, treasury, spend, and financial operations through proprietary infrastructure, software, and AI.
- **Entity Type**: Private (Series G)
- **Headquarters**: Dual headquarters in Singapore and San Francisco, USA; founded in Melbourne, Australia
- **Founded**: 2015
- **Founders**: Jack Zhang (CEO), Lucy Liu, Max Li, Xijing Dai, and Ron Li

## Core Business
- Primary industry: Financial Services / Payments / Fintech Infrastructure
- Target customers: B2B, primarily serving SMBs, scaling enterprises, digital platforms, and marketplaces globally
- Mission or purpose statement: "Build the future of global banking" — they aim to replace legacy, fragmented banking systems with a borderless, intelligent, real-time financial operating system for modern businesses.

## Products & Services
- **[Business Accounts]**: Multi-currency global accounts to receive, hold, and manage funds in 20+ currencies, with local account details for key markets.
- **[Payments]**: Global payment acceptance via 160+ local payment methods, low-code checkout, and programmatic payout capabilities to 200+ countries.
- **[Spend / Corporate Cards]**: Multi-currency corporate and employee cards with customisable spend controls, designed for global teams.
- **[Expense Management]**: A platform to track, control, and reconcile global business expenses, including employee reimbursements.
- **[Billing & Subscription Management]**: A billing platform for usage-based and subscription pricing models, supporting AI companies and complex revenue workflows.
- **[Platform APIs]**: API-first infrastructure enabling businesses to embed financial services (accounts, payments, FX, card issuing) into their own products.
- **[FX & Treasury]**: Interbank foreign exchange rates and tools to intelligently manage currency risk across markets.

## Market Standing
- **Valuation**: US$11 billion (latest valuation in 2025, following a fresh investment round).
- **Key Metric**: US$1.8 billion in total funding raised; Annual Recurring Revenue (ARR) surpassed US$1 billion by 2025.
- **Notable Investors/Partners**: Series G investors include prominent global venture capital firms (specific names not listed in source but backed by top-tier VCs); serves over 200,000 businesses including TikTok, Brex, Rippling, Navan, Qantas, and SHEIN.
- **Growth Signals**: 
  - US$287 billion in global payments processed (USD).
  - 92% of transfers settled same-day, 50% processed instantly.
  - Over 85 financial licenses and registrations globally.
  - Team of ~2,300 people across 27 offices internationally.
  - Dual-headquarters model (Singapore + San Francisco) adopted in 2025 to support next phase of growth.

## Competitive Advantages
- Proprietary, API-first infrastructure built from scratch (not riding legacy banking rails), enabling faster, cheaper, and more transparent cross-border transactions.
- Unified platform combining banking, payments, spend management, billing, and FX — reducing the need for multiple vendors.
- Deep AI integration across the platform to automate financial operations and provide intelligent insights.
- Extensive regulatory licensing (85+ licenses) across major markets, creating a high barrier to entry.
- Strong network effects: serves both direct businesses and platforms/marketplaces that embed Airwallex into their offerings.

## Strategic Focus
- Continue scaling the platform to support the rapid growth of AI-native companies and usage-based business models (highlighted by the launch of their global billing platform).
- Expand the dual-headquarters presence to tap into the largest tech talent markets (San Francisco and Singapore).
- Invest heavily in AI to build "interconnected, intelligent financial systems where money, data, and decisions move together."
- Deepen product capabilities to automate financial operations end-to-end for global businesses.

## Why Work Here
- High-growth, ambitious environment: described as "the most ambitious work of your career" by the company; founded in 2015 and already processing $287B in payments.
- Global impact and scale: work on infrastructure used by 200,000+ businesses, from startups to enterprises like TikTok and SHEIN.
- Hybrid/office culture: 27 offices globally (Melbourne, Singapore, San Francisco, London, Shanghai, Amsterdam, and more) offering opportunities to work across teams and locations.
- Engineering-driven culture: heavy emphasis on building proprietary technology, AI, and developer-first products.
- Notable perks: opportunity to work on a modern financial stack, exposure to cutting-edge AI/Fintech intersection, and a diverse, international team of "2,200 of the brightest and most innovative people in tech."

## Sources
1. [airwallex.com - Who We Are](https://www.airwallex.com/en-eu/who-we-are)
2. [airwallex.com - Global Platform](https://www.airwallex.com/global)
3. [careers.airwallex.com](https://careers.airwallex.com/)
4. [LinkedIn - Airwallex](https://www.linkedin.com/company/airwallex)
5. [jobs.ashbyhq.com - Airwallex](https://jobs.ashbyhq.com/airwallex)

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