Udyamai

Full Stack Web Developer and IoT Engineer

Freelancing Career • ZZP

Jul 2024 - Present • 1 yr 10 mos

Delivering complete full-stack web development and IoT solutions for real clients and institutions as a freelance developer. Web Development: Built a complete enterprise web portal for a road safety products and services company. Delivered responsive product catalog, project portfolio, hero sliders, async contact forms, SEO-optimized pages, and custom admin dashboard with KPI cards and Chart.js analytics on the frontend. Backend included fully customized Django admin dashboard, CRM engine with CSV export, TinyMCE content editor, SMTP notifications, database-driven site settings, and security controls. Client manages all content without any developer support. Built Prahari — a full-stack multi-role smart attendance management system for Invertis University, actively in use. Three separate dashboards for Admin, Teacher, and Student. Frontend includes face recognition UI with browser-based liveness detection, RFID and geo-fencing attendance interfaces, JWT authentication flows, OTP verification screens, and Chart.js analytics. Backend built on Django REST Framework with DeepFace facial recognition, YOLOv8 phone detection, JWT authentication, SMTP parent alerts, PDF and CSV exports, and browser fingerprint device binding. IoT Development: Built smart indoor farming IIoT system with ESP32 and multiple sensors tracking temperature, humidity, eCO2 and TVOC levels. Integrated LoRa for long range connectivity and ThingsBoard for real-time cloud visualization. Built water pump automation system with LoRa long range communication and soil moisture sensor based automated irrigation control. Tech Stack: Web: HTML5, CSS3, JavaScript, React.js, Tailwind CSS, Django, Django REST Framework, PostgreSQL, SQLite, Chart.js, JWT, Git IoT: Arduino, ESP32, LoRa, MQTT, ThingsBoard, raspberry pi, C, Python, Sensors, Relay, OLED