Airwallex (UK) Limited logo

Software Engineer II, Backend - Onboarding

Job Overview

Location

SG - Singapore

Job Type

Full-time

Category

Software Engineer

Date Posted

March 10, 2026

Full Job Description

đź“‹ Description

  • • As a Software Engineer II, Backend, you will be a critical contributor to Airwallex's mission of revolutionizing global payments and financial services. You will join the dynamic Onboarding team, a pivotal group responsible for facilitating the rapid and seamless integration of businesses onto our cutting-edge platform. This role offers a unique opportunity to work at the intersection of technology and finance, directly impacting user growth and operational efficiency.
  • • Your primary responsibilities will involve the design, development, and maintenance of robust, scalable microservices, primarily using Java or Kotlin, ensuring high availability and reliability for our globally distributed systems. You will be instrumental in building and enhancing the backend infrastructure that supports our core onboarding processes, which are essential for bringing new businesses onto the Airwallex ecosystem.
  • • You will play a key role in implementing best practices for service-to-service communication, orchestration, and fault tolerance, ensuring that our systems are resilient and can handle the demands of a rapidly growing global user base. This includes developing and integrating internal and external APIs with a strong focus on compatibility and exceptional developer experience, enabling smooth interactions with partners and internal systems.
  • • Collaboration is at the heart of this role. You will work closely with cross-functional teams, including Frontend Engineers, Product Managers, Designers, and Marketing specialists, to translate complex business requirements into elegant, scalable backend solutions. Your insights will be crucial in shaping product direction and ensuring that our technical implementations align with user needs and business objectives.
  • • A significant aspect of your work will involve continuously improving backend functionalities to reduce friction in the onboarding journey, increase user engagement, and drive conversion rates. This requires a deep understanding of how backend systems influence the user experience and a proactive approach to identifying and implementing enhancements.
  • • You will also be deeply involved in promoting security and compliance within our systems. This includes integrating secure coding practices and frameworks to safeguard sensitive user data and ensure adherence to global regulatory standards. Identifying potential vulnerabilities, implementing robust authentication and authorization mechanisms, and proactively addressing security risks will be paramount to maintaining the trust and integrity of our platform.
  • • The Onboarding team is data-driven, and you will leverage extensive analytics to refine processes, measure effectiveness, and inform decision-making. Your ability to interpret data will be vital in enhancing product performance and elevating user satisfaction, making you a pivotal member of the team.
  • • This role is particularly exciting as the team is instrumental in Airwallex's regional expansion efforts, helping to onboard a growing number of customers into new markets. You will contribute to increasing the coverage of our product offerings, ensuring that businesses worldwide can benefit from our innovative financial solutions.
  • • You will be expected to develop a deep understanding of the Know Your Customer (KYC) and risk-based operations that are central to our compliance and security protocols, ensuring we handle sensitive financial data with the utmost care and diligence.
  • • By streamlining the onboarding process, reducing barriers to entry, and fostering a secure and compliant environment, you will empower businesses to thrive in the digital economy.
  • • You will have the opportunity to work on complex, high-visibility problems with exceptional teammates, contributing to the core engine of user growth in a company that is reshaping global financial services.
  • • Embrace the Airwallex values of being a builder with founder-like energy, demonstrating strong role-related expertise, sharp thinking, and a motivation driven by our mission and operating principles. Move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor.
  • • You will be encouraged to be humble and collaborative, turning zero-to-one ideas into real products and taking ownership of end-to-end delivery. Utilize AI to work smarter and solve problems faster, contributing to a culture of innovation and efficiency.
  • • This role is ideal for someone who thrives in a fast-paced fintech environment, is adaptable, and eager to adopt new skills and technologies, viewing challenges as opportunities for growth.
  • • You will be a self-motivated individual with a strong sense of ownership, taking initiative and ensuring projects are delivered to successful outcomes with high standards of quality.

Skills & Technologies

Java
Kotlin
Backend
Onsite
Degree Required

Ready to Apply?

You will be redirected to an external site to apply.

Airwallex (UK) Limited logo
Airwallex (UK) Limited
Visit Website

About Airwallex (UK) Limited

Airwallex is a global financial technology company providing cross-border payment and banking infrastructure for businesses. It offers multi-currency accounts, foreign exchange, card issuing, expense management, and embedded finance APIs. Founded in Melbourne in 2015, the company serves enterprises and SMEs across Asia-Pacific, Europe, and the Americas, operating under licenses in multiple jurisdictions and processing billions in annualized transaction volume.

Get more remote jobs like this

Subscribe to the weekly newsletter for similar remote roles and curated hiring updates.

Newsletter

Weekly remote jobs and featured talent.

No spam. Only curated remote roles and product updates. You can unsubscribe anytime.

Similar Opportunities

Argentina - Remote
Full-time
Expires May 4, 2026
Python
PHP
Ruby
+5 more

2 months ago

Apply
⏰ EXPIRES SOON
Argentina
Full-time
Expires Apr 25, 2026 (Soon)
Python
JavaScript
TypeScript
+4 more

2 months ago

Apply
Colombia - Fully Remote
Full-time
Expires May 24, 2026
Python
JavaScript
TypeScript
+3 more

25 days ago

Apply
Colombia - Fully Remote
Part-time
Expires May 24, 2026
Python
JavaScript
TypeScript
+3 more

25 days ago

Apply