Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide, Replit is democratizing software development by removing traditional barriers to application creation. As a Premium Support Engineer at Replit, you’ll be the front line for our highest-value customers — delivering fast, expert, and reliable technical support when it matters most. You’ll handle complex product issues, guide customers through critical incidents, and ensure every interaction meets the highest standard of quality and speed. You’ll combine deep technical troubleshooting with calm, confident communication to keep builders moving — whether it’s an enterprise team deploying at scale or a top-tier developer relying on Replit to power their business. WHAT YOU’LL DO - Provide swift, high-priority support to Premium customers, responding within strict SLAs. - Diagnose, reproduce, and resolve complex technical issues across the Replit platform. - Escalate and track high-impact issues with Product and Engineering, ensuring timely fixes and transparent communication. - Lead customer-facing communications during outages or incidents. - Identify recurring issues and collaborate internally to reduce time-to-resolution. - Contribute to internal tooling, automation, and documentation that improves team efficiency. - Partner with Engineering, Product, Sales and other internal teams to ensure Premium customers receive a consistent, high-quality experience. - Help onboard and mentor other support engineers, raising the team’s overall bar for responsiveness and quality. REQUIRED SKILLS & EXPERIENCE - 4+ years in technical support, developer support, or systems engineering. - Professional fluency in English and Japanese, both written and verbal. - Experience providing rapid-response support to high-value or enterprise customers. - Strong debugging skills with JavaScript, Python, or similar languages. - Excellent written and ver