I need a skilled full stack developer to take over my problematic website and mobile apps. The site is built on custom code using JavaScript, Python, and Next.js. Key Requirements: - Fix and optimize existing custom code - Improve functionality and user experience - Work on both Android and iOS apps Ideal Skills: - Proficiency in JavaScript, Python, and Next.js - Experience with mobile app development (Android and iOS) - Strong problem-solving skills - Ability to work independently and manage the project effectively Please provide examples of similar work.