We are seeking an experienced Senior Developer to lead and mentor a cross-functional development team across multiple technologies including PHP, Python/Django, and Node.js/Next.js. The role involves overseeing end-to-end application development, architecting scalable and high-performance solutions, and ensuring timely delivery of project milestones. The incumbent will conduct code reviews, provide technical guidance, and troubleshoot complex technical issues across the full stack. Close collaboration with stakeholders, product teams, and developers is essential to define technical requirements and maintain quality standards. The role requires strong leadership abilities, problem-solving skills, and hands-on expertise in modern development frameworks and databases. This position plays a key role in driving technical excellence, process improvement, and successful project execution.