Technical Support Specialist - Merchant Onboarding

3–5 years in a technical support, onboarding, or implementation role within SaaS, payments, or e-commerce Demonstrated ability to read and debug code (JavaScript/TypeScript required; Python/Go/Java a plus) Deep understanding of REST APIs, authentication, and system integrations Strong communication skills with both engineers and non-technical stakeholders Analytical and proactive Strong ownership

Serve as the technical escalation point for merchant onboarding and configuration issues Troubleshoot API, SDK, and integration challenges across webhooks, plug-ins, and checkout flows Read, analyze, and explain Bolt and merchant-side code (JavaScript/TypeScript, HTML/CSS; backend a plus) Collaborate cross-functionally with Implementation, Engineering, and Customer Operations teams Identify potential risks and dependencies Develop reusable solutions and documentation for recurring issues Support merchants in test and production environments through to launch Participate in merchant calls and debugging sessions when needed Create internal tools, code snippets, and templates Participate in the technical support on call rotation