This job posting is for a Senior Developer/CTO position at a software development company that develops management systems. The responsibilities would include leading development teams, providing technical guidance for projects, and managing the development process. The company is currently maintaining existing solutions for clients and building new customized solutions. They are also planning a large new project with an international team. The ideal candidate would have strong skills in PHP frameworks, front-end frameworks, databases, microservices, and web application development. They are looking for someone to help scale their systems and assist with maintenance, testing, and development.