Job Overview: We are looking for an experienced Web & API Interface Developer with expertise in JavaScript, Next.js , and Python to build dynamic and interactive data visualizations. You will be responsible for integrating APIs, processing data, and creating visual components like charts and graphs. The visualizations should be personalized and filterable based on each logged-in users data. Key Responsibilities: Web Dashboard Development: Build a web-based dashboard using Next.js to provide interactive data visualization. Data Visualizations: Create dynamic and engaging charts (Pie, Bar, Line, etc.) using JavaScript libraries such as Chart.js , D3.js , or ECharts . User Authentication & Data Filtering: Implement user authentication and ensure data is filtered based on the logged-in user’s email. API Development: Design and maintain RESTful APIs using Python (FastAPI, Flask, or Django) to fetch and process data. Performance Optimization: Optimize API endpoints for speed, scalability, and efficiency. UI/UX Design: Ensure the dashboard is responsive, user-friendly, and visually appealing across all devices. Real-time Data Updates: Implement mechanisms for real-time data streaming and updates. Cloud Integration: Interface with cloud applications and databases to support dynamic data filtering and storage. Required Skills & Experience: JavaScript Expertise: Strong proficiency in JavaScript and frameworks such as Next.js and React.js . Data Visualization: Experience with JavaScript libraries for creating interactive data visualizations ( Chart.js , D3.js , ECharts ). Python & API Development: Experience developing APIs using FastAPI , Flask , or Django . Authentication & User Filtering: Familiarity with user authentication mechanisms and data filtering based on user credentials (e.g., JWT , OAuth , Firebase Auth ). Database Knowledge: Proficiency in SQL and NoSQL databases for storing and retrieving user-filtered data. Cloud Experience: Experience with Azure cloud platform is a plus. API Integration: Strong experience in RESTful API development and integration. Frontend Optimization: Knowledge of frontend performance optimization and responsive design principles. Real-Time Data: Experience with WebSockets or other real-time data streaming techniques. BI Tools (Preferred): Familiarity with Power BI or other BI tools is a plus, but not essential. Job Timing: Hours: 7 AM - 3 PM AEST (Monday to Friday)