Full Stack Developer LLM, AI/ML & ChatGPT Integration

About the Role

We are seeking an experienced Full Stack Developer (Node.js + React.js) to design and develop next-generation web applications with a strong focus on LLM (Large Language Model) integration, AI/ML functionality, and ChatGPT API configuration. You will play a key role in building intelligent, scalable, and interactive digital products that leverage the power of modern AI tools.

Key Responsibilities

• Design, develop, and maintain full stack applications using React.js (frontend) and Node.js (backend).
• Integrate OpenAI s ChatGPT and other LLMs into web-based products for natural language interaction.
• Collaborate with AI/ML engineers to connect model outputs to user-facing applications.
• Build and deploy APIs to serve machine learning model predictions and data pipelines.
• Optimize front-end performance and ensure responsive UI/UX across devices.
• Ensure data integrity, privacy, and security when handling AI inputs and outputs.
• Configure, test, and fine-tune ChatGPT or custom GPT model prompts to align with application goals.
• Work in an Agile environment with product managers, designers, and engineers to iterate and improve features.

Required Qualifications

• 4+ years of professional full stack development experience.
• Strong proficiency in Node.js, Express.js, React.js, Redux, and RESTful APIs.
• Hands-on experience integrating LLMs (e.g., OpenAI, Hugging Face) into web applications.
• Practical knowledge of ChatGPT API configuration, prompt tuning, and token optimization.
• Familiarity with Python-based ML services or model deployment workflows.
• Experience with cloud platforms (AWS, Azure, Google Cloud Platform) and containerization (Docker).
• Good understanding of web security, authentication (OAuth2, JWT), and performance tuning.
• Strong problem-solving skills, attention to detail, and the ability to work independently.