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Airwallex is a unified payments and financial platform serving over 250,000 global businesses including Brex, Navan, Qantas, and SHEIN. The company provides integrated solutions for business accounts, payments, spend management, treasury, and embedded finance at global scale. Valued at $11 billion and backed by leading investors including Sequoia, Visa, Mastercard, and Salesforce Ventures, Airwallex operates across 27 offices with over 2,300 employees.
The Revenue Systems Team sits within the Growth department, providing the operational and systems backbone that translates acquisition and scaling efforts into sustainable, efficient revenue. This multi-disciplinary group of systems and analytical professionals works closely with Revenue, Marketing, Data, and Product teams to accelerate revenue growth, optimize efficiency, and build GTM technology foundations.
As a Senior Salesforce Engineer on this team, you will drive the technical backbone of the GTM engine by architecting scalable backend services, writing robust business logic, and building seamless integrations across GTM and external platforms. You'll own system operations and support, keeping platforms healthy, monitoring integration pipelines, and acting as the technical escalation point for production issues and root-cause fixes. You'll partner with cross-functional stakeholders to translate complex business requirements into scalable systems and help shape how Airwallex's commercial organization operates at scale.
Key responsibilities include leading the design and development of complex backend features with scalable, high-performing code across Salesforce and supporting systems; building integrations and APIs connecting GTM systems (Salesforce, Marketo, etc.) with other platforms; supporting complex production issues with root-cause analysis and permanent fixes; championing engineering quality and best practices; designing data models ensuring reliable information flow; and leveraging modern AI coding tools to accelerate delivery.
Required qualifications: Bachelor's degree in Computer Science, Engineering, or related field; 5+ years backend software engineering experience (Node.js, Python, Java, Go) including 2+ years hands-on Salesforce backend experience with a track record of designing scalable systems; strong communication skills to lead technical discussions and translate trade-offs; practical experience with AI coding tools and sound judgment reviewing AI-generated code; working knowledge of modern integration patterns (RESTful APIs, Webhooks, event-driven architecture); adaptability to balance long-term projects with urgent production issues.
Preferred: experience in high-growth tech companies; experience building complex Salesforce orgs spanning multiple offices and instances.
