Senior Frontend Developer

Job Description

This role is for one of Weekday's clients Min Experience: 5 years Location: Mumbai JobType: full-time Requirements Role Overview: We're seeking a Senior Frontend Developer to lead the development of our AI-driven analytics dashboard using React and advanced charting libraries like amCharts and D3.js. You'll architect data-rich interfaces that visualize complex datasets from social media platforms, AI models, and multi-tenant SaaS and enterprise systems, ensuring high performance and seamless user experiences. Key Responsibilities: Frontend Architecture & Development: Build scalable React/TypeScript applications with state management (Redux, Context API) and modular component design Develop interactive dashboards using amCharts and D3.js to visualize real-time analytics, geospatial data, and AI/ML insights Optimize rendering performance for large datasets (10M+ points) using techniques like virtualization, Web Workers, and memoization Data Visualization & Integration: Design custom charts, graphs, and maps with amCharts for business analytics, ensuring responsiveness across devices Implement complex visualizations (e.g., heatmaps, network diagrams) using D3.js for granular data exploration Integrate with backend APIs (Django/FastAPI) to fetch and display processed data from PostgreSQL, Document DBs, and social media platforms Performance & Optimization: Profile and optimize amCharts/D3.js performance for smooth interactions with high-volume datasets Reduce latency through lazy loading, data aggregation, and efficient WebSocket-driven updates Collaborate with backend teams to structure API responses for optimal visualization workflows Multi-Tenancy & Security: Implement tenant-specific dashboards with dynamic theming, access controls, and data filtering Secure frontend applications against XSS, CSRF, and data leaks using modern practices (CSP, sanitization) Collaboration & Leadership: Mentor junior developers in React best practices, testing (Jest, Cypress), and visualization techniques Partner with UX designers to translate complex data stories into intuitive amCharts/D3.js interfaces Work with QA teams to validate data accuracy between social media APIs, databases, and visualizations Requirements: 5+ years of frontend development experience, with 3+ years in React/TypeScript Expertise in amCharts and D3.js for building performant, interactive dashboards Proficiency in data visualization best practices: color theory, accessibility (WCAG), and cross-browser compatibility Experience integrating REST/GraphQL APIs and handling large datasets (e.g., real-time streaming, pagination) Strong understanding of state management (Redux, Zustand), hooks, and performance optimization using virtualization and similar libraries Familiarity with testing frameworks (Jest, Cypress) and CI/CD pipelines (GitHub Actions, GitLab CI) Knowledge of security standards (OWASP) and authentication flows (OAuth2, JWT) Bachelor's degree in Computer Science, Design, or related field Nice-to-Have: Familiarity with WebSocket-based real-time dashboards Exposure to AI/ML concepts (e.g., visualizing model outputs, anomaly detection) Knowledge of Python backend systems (FastAPI, Django) or databases (PostgreSQL)