Mern Stack Developer-Ignitho
Key Responsibilities - AI Agent Development (Core): Build, extend, and productionise AI agent features - tool calling, multi-step workflows, memory handling, and structured output validation. Integrate LLM APIs (OpenAI, Anthropic Claude, and similar) into product features with robust error handling, retry logic, and fallback chains. Implement guardrails, output validation, and hallucination checks to ensure AI features are reliable for enterprise B2B use. Take AI-generated and prototype code and harden it for production - adding tests, securing endpoints, and resolving edge cases. Work with AI frameworks or libraries such as LangChain or equivalent to create simple AI workflows and prompt-based applications. Application Development: Design, develop, and maintain scalable REST APIs using Node.js, Express.js, and MongoDB. Build responsive, scalable React.js frontends and develop RESTful APIs using Node.js and Express.js. Integrate frontend components with backend APIs, databases, and AI services. Build backend modules independently - Authentication, User Management, Dashboard APIs, Notifications, and Admin modules. Design and manage MongoDB / PostgreSQL databases and schemas; write optimized MongoDB queries using Mongoose, including aggregations and indexes. Implement authentication, authorization (RBAC), and API security. Follow clean architecture principles - MVC or layered architecture with Controllers, Services, Models, and Routes. Quality, Testing & Collaboration: Collaborate with cross-functional teams, write clean, maintainable, well-documented code, participate in code reviews. Must-Have Skills: Backend Development: Node.js, Express.js. Database Management: MongoDB, Mongoose, PostgreSQL. API Development: RESTful APIs. Programming Languages: JavaScript, TypeScript. Frontend Development: React.js. Version Control: Git. Authentication & Security: JWT Authentication. Architecture & Design Patterns: MVC Architecture, Layered Architecture. AI & GenAI Skills: OpenAI API, Claude API, Gemini API, LangChain, LangGraph, Prompt Engineering, Structured JSON Outputs, AI Chatbots and Assistants, AI Agent Development. Employment Type: Full Time, Permanent. Location: Chennai.
