Designs and develops architectural frameworks for web and mobile applications, ensuring performance, quality, scalability, and customer satisfaction. Provides technical guidance and mentorship, resolves complex technical issues, participates throughout the development lifecycle, advises on testing and deployment, conducts code reviews, and develops prototypes and proof-of-concepts. The role requires expertise in distributed, transactional, and multithreaded systems, enterprise applications, web services, databases, asynchronous programming, and continuous integration.