Application Support Engineer (Remote - Worldwide)

The posting lists Johannesburg, Gauteng, South Africa as the job location; no other residency restriction is stated. Work must follow standard Sydney (Australia) business hours. A fast-growing company building an AI-powered app builder that lets business owners describe the software they need in plain language and receive a working product. Its customers are often non-technical, so when the platform's AI agent fails them they need an engineer to get them unstuck. This is a support role for engineers that also feeds fixes back into the core platform.

What you'll do

• Debug production issues in customer apps using logs, traces, reproductions and minimal test cases, and resolve them end to end.
• Explain problems and fixes to non-technical customers in clear, simple language.
• Turn recurring customer fixes into platform or AI agent improvements, working with engineering to ship and verify them.
• Build scripts, tooling and AI-assisted workflows that speed up support and let one person handle a high volume of customers.
• Keep public and internal documentation and known-issues pages current.
• Act as first responder for platform incidents during working hours, and keep the status page and customer updates current until resolved.

What you need

• Strong TypeScript and React skills, with solid knowledge of HTTP, APIs, authentication and databases.
• Proven ability to debug production systems and a clear sense of scalability, reliability and security basics.
• Prior customer-facing experience in support, sales or pre-sales, with a track record of closing high ticket volumes.
• Excellent written English that is concise and tailored to the audience.
• Available to work standard Sydney business hours.

Open to applicants anywhere in the world.

How to apply

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