Technical Support Engineer

Airwallex-; Greater London; On-site; GBP 42,000 - 64,000; Full time

Job summary

Airwallex in London seeks a technically skilled specialist to provide post‑integration support, help customers with API-based products, and collaborate with engineering and product teams on technical issues.

You will develop sample code, log analysis, and FAQs, and participate in the Global Incident Management process. Weekend on-call coverage may be required in a fast-moving fintech environment.

Qualifications

• Bachelor's degree in Computer Science or a related field is required.
• Experience in programming, technical support, implementation, or related roles.
• Excellent verbal and written communication, with strong troubleshooting skills.

Responsibilities

• Provide post-integration technical support to developers, merchants, and internal teams.
• Run test scenarios for issues with code, software, hardware, devices and endpoints.
• Install and configure test environments and payment APIs.
• Communicate technical issues clearly to customers and internal teams.
• Identify irregularities in functionality and craft technical documentation for customers.

Skills

Communication

Troubleshooting

Ticket handling

Customer service

Technical knowledge

Education

Bachelor's degree in Computer Science or related field

Tools

Splunk

Grafana

SQL

REST

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. 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.

Who We Are

Airwallex is a technology company that revolutionises the way businesses operate globally. Our financial infrastructure provides a modern technology stack for businesses to operate internationally, without the challenges of the current global financial system.

Businesses use Airwallex as their end-to-end global financial services platform. Whether it’s making or receiving payments from customers, domestically or internationally, Airwallex saves businesses time and money by offering real-time, reliable and cost-effective financial solutions. Our web and API solutions support businesses of all sizes, from small companies to large enterprises.

In this fast-changing digital world that is increasingly becoming borderless, our mission is to empower businesses of all sizes to grow in their own markets and around the world, and by doing so, contribute to the global economy.

You Will

• Work directly with developers, merchants and internal teams on post integration issues to provide technical support, consulting and best practices. External customers contact through tickets. Internal customers use different contact avenues depending on priority.

• Conduct test scenarios for technical issues with code, software, hardware, devices and endpoints.

• Install and configure test environments, payment APIs and ecommerce products.

• Communicate technical issues to customers and internal departments.

• Identify irregularities in functionality and unexpected behaviors with Airwallex products and services.

• Develop in-depth technical information (sample code, log searching, FAQs) for distribution to customers.

• Support the communication, response and coordination between clients and internal key stakeholders and senior leadership as part of our Global Incident Management process.

• Complete occasional weekend work and holiday coverage as the business requires for on-call duties.

Skills And Experience You Will Bring

• Bachelor's degree or above in Computer Science or relevant majors

• Proven years of working experience in either programming, technical support, implementation or relevant jobs.

• Excellent verbal and written communication skills, able to communicate clearly and appropriately with internal and customers.

• Strong troubleshooting and problem-solving skills

• Prioritisation, organisation and detail oriented on ticket handling, able to work on multiple urgent issues in parallel.

• Must have sufficient technical knowledge to communicate with Engineering and Product teams

• Strong willingness to provide exceptional customer service

• Demonstrated quick learning of technology and new products

• Experienced in the e-commerce, payment, fintech industry is a plus

Technical Skills:

• Experience in one of the programming languages: Python, Java, php, C#, Java Script or shell scripting

• Familiarity with Web Technologies, HTTP and HTTPS

• Experience with REST, JSON, SOAP

• Experience with SQL

• Familiarity with Splunk, Grafana

• Experience in e-commerce, payment, fin-tech industry is a plus

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.