I’m looking for a skilled WordPress plugin developer to create a Test Series Plugin for my educational website. The plugin should allow me to create and manage online test series for exams like UPSC, APSC, and other government exams. The key goal is to have a fully functional quiz/test system with features like scoring, timing, and user management — all integrated within my WordPress website. Key Features Needed: Quiz & Test Creation Add multiple quizzes/tests with sections and subjects Supports MCQs, negative marking, and timer per test/question Upload questions via Excel or CSV Scoring & Analytics Auto-grading and leaderboard Detailed performance report (topic-wise & test-wise) Option for students to review their answers after submission User Access & Payments Restrict access to paid users only (integration with WooCommerce or similar) Option to assign tests to user groups or batches Integration with existing WordPress login system Design & Compatibility Mobile responsive and lightweight Should integrate smoothly with my current theme Compatible with Elementor or shortcode use Bonus Features (if possible): Rank list per test Save progress and resume later Question randomization/shuffling Tech Preferences: WordPress Plugin (Custom-coded, not third-party builder) Clean and secure PHP + MySQL code Shortcode or block-based integration Developer must ensure speed, SEO safety, and data security