Full Stack Engineer - job 12 of 50

Job Summary

A company is looking for a Full Stack Engineer (Contractor).

Key Responsibilities

• Design and build backend services (Node.js, Express) for scalable AI-powered features
• Architect and optimize databases and service infrastructure
• Integrate LLM APIs (OpenAI, Claude, etc.) into product workflows

Required Qualifications

• Solid backend experience with Node.js and Express (or similar)
• Experience building and scaling web services and APIs
• Familiarity with modern JavaScript (ES6+) and TypeScript
• Hands-on experience integrating OpenAI or other LLM APIs
• Understanding of prompt engineering, vector embeddings, or agentic patterns