Senior Full-Stack Engineer

Job Summary

A company is looking for a Lead/Snr Full-Stack Engineer (Node.js/Python/LLM/prompt engineering).

Key Responsibilities

• Design, implement, and refine prompt engineering strategies for LLM-based conversational flows
• Collaborate with Product Owners and QA to shape conversational UX and handle unpredictable user inputs
• Develop and maintain backend systems for integrations with WhatsApp Cloud API and payment platforms

Required Qualifications

• Deep knowledge and 5+ years of production experience
• Solid backend development skills with Node.js/NestJS (Python is a plus)
• Experience integrating with complex third-party APIs
• Proficiency in frontend development using JavaScript/TypeScript and React
• English proficiency - B2 or higher