We are looking for an experienced developer to improve the security of our existing website, which is currently facing issues with spam registration and enquiry submissions. The goal of this project is to implement robust solutions to detect, prevent, and block automated spam activities while ensuring a smooth experience for genuine users. Key Responsibilities Analyze the current website and identify vulnerabilities allowing spam submissions Implement anti-spam measures such as CAPTCHA, rate limiting, and bot detection Integrate advanced security mechanisms using AI/ML techniques (if applicable) Secure registration and enquiry forms against automated attacks Improve backend validation and filtering systems Ensure minimal impact on user experience Required Skills Strong experience with React.js and Next.js Backend development using Node.js and/or Python Experience with web security best practices Familiarity with spam prevention techniques and tools Knowledge of AI-based spam detection (preferred) Preferred Qualifications Prior experience in securing web applications from bots and spam Experience with tools like reCAPTCHA, Cloudflare, or similar services Understanding of API security and data validation