Vimal UK

• Online Proctoring & Exam Platform: Developed secure online proctoring and exam systems using React.js, Tailwind CSS, Electron.js (cross-platform desktop apps) , and Chrome Extensions (MV3) , focusing on performance, security, and reliability for high-stakes exams.
• Audio & Video Streaming: Implemented real-time audio and video streaming for live proctoring using Kurento in Electron desktop applications and browser extensions , ensuring low-latency, synchronized streams and reliable monitoring.
• Exam Security & User Monitoring: Implemented robust exam security controls, including website and application blocking, app-switch prevention, clipboard restrictions, OS-level key interception , and continuous user activity monitoring during exams.
• LMS Integration & Exam Automation: Integrated LMS workflows with the proctoring platform to automate exam detection, secure credential injection, exam launch, submission tracking , and end-to-end exam lifecycle management.
• Exam Creation & Exam-Taking Apps: Built exam authoring and exam-taking applications using React.js, Ant Design (AntD), and Redux , supporting MCQ and coding assessments with integrated rich text and code editors (ReactQuill, Lexical, Monaco Editor).
• Developer & Monitoring Dashboard: Built an internal developer dashboard using React, Chart.js, React-Bootstrap, and MobX to visualize session metrics, real-time events, alerts, and system health .
• Native System-Level Integrations: Integrated C++ Windows APIs with Electron to achieve low-level system control, including OS key interception (e.g. Windows key) and native enforcement of exam security constraints.
• Front-End System Design & Optimization: Applied component-driven architecture, modular design, state partitioning, lazy loading , and performance optimization to support complex UI workflows and real-time streaming.
• Cross-Team Collaboration & Deployment Collaborated closely with backend and QA teams on secure signaling mechanisms, Electron app packaging, and Chrome Extension deployment.

Technologies: React.js, Tailwind CSS, Ant Design (AntD), Electron.js, Chrome Extensions (MV3), WebRTC, Redux, MobX, ReactQuill, Lexical, Monaco Editor, Chart.js, React-Bootstrap, Node.js, C++ (Windows API).