Senior Salesforce Engineer, Growth

About the role

Airwallex, the AI-native financial operating system used by more than 675,000 businesses, is hiring a Senior Salesforce Engineer for its Growth team in Singapore. You will drive the technical backbone of the GTM engine, building scalable systems and integrations that help the commercial organisation operate at scale, working five days a week from the Singapore office.

Key responsibilities

• Lead the design and development of complex backend features across Salesforce and supporting systems, writing scalable, high-performing code.
• Build reliable, resilient integrations and APIs connecting Salesforce, Marketo and other GTM platforms.
• Support complex production issues, identify root causes and drive permanent fixes that reduce technical debt.
• Champion engineering quality and best practices, shaping how code is reviewed and tested.
• Design data models and structures that keep information flowing reliably across systems.
• Use modern AI coding tools to accelerate delivery, reviewing and validating AI-assisted work.
• Partner with cross-functional stakeholders to turn business requirements into scalable systems.

Required profile

• Bachelor's degree in Computer Science, Engineering or a related field.
• 5+ years of software engineering experience in backend development with Node.js, Python, Java or Go.
• 2+ years of hands-on Salesforce backend experience with a track record of designing scalable systems.
• Preferred: experience with AI coding tools, a high-growth technology company, and a complex multi-office Salesforce org.
• Strong communication skills and adaptability to balance long-term projects with urgent production issues.

Required skills

• Salesforce backend development
• RESTful APIs, webhooks and event-driven architecture
• Node.js, Python, Java or Go