Senior VICIdial/PHP Developer

Job Description Job Description We are seeking an experienced Senior Vicidial/PHP Developer to lead the development and maintenance of our AI-integrated contact center solution. This is a critical role where you'll take ownership of our core telephony infrastructure and build robust APIs to support our next-generation contact center platform. Key Responsibilities - Take ownership of our existing Vicidial-based contact center infrastructure and codebase. - Develop and maintain comprehensive RESTful APIs to expose Vicidial functionalities for integration with modern frontend applications. - Architect and implement API layers that decouple Vicidial's telephony capabilities from its PHP frontend. - Customize and extend Vicidial features to meet evolving business requirements. - Optimize database queries and system performance for high-volume call center operations. - Troubleshoot and resolve complex technical issues in the Vicidial ecosystem. - Collaborate with AI engineers to integrate machine learning capabilities into the call center workflow. - Document technical specifications, API endpoints, and system architecture. - Mentor junior developers and provide technical guidance to the team. - Plan and execute the gradual migration strategy toward a modern, multitenant architecture. Must-Have Required Skills & Experience : - 3 - 5 years of hands-on experience in PHP development with production-level applications. - Strong expertise in Vicidial installation, configuration, customization, and administration. - Deep understanding of Vicidial's database schema, dialplan logic, and core modules. - Proven experience in building RESTful APIs with PHP (Laravel/Symfony/native PHP). - Strong knowledge of MySQL/MariaDB optimization and complex query writing. - Experience with Asterisk PBX configuration and dialplan scripting. - Understanding of telecommunication protocols (SIP, RTP, WebRTC). - Experience integrating third-party services via APIs. - Proficiency in Linux system administration (CentOS/Ubuntu). - Version control expertise using Git. - Strong problem-solving skills and ability to work independently. - Excellent communication skills for technical documentation and team collaboration. Nice-to-Have - Experience with React.js for frontend development. - Knowledge of Node.js and Express.js for backend services. - Familiarity with Python and AI/ML integration. - Experience with AWS services (EC2, RDS, S3, Lambda, API Gateway). - Understanding of microservices architecture. - Experience with Docker and containerization. - Knowledge of CI/CD pipelines and DevOps practices. - Familiarity with multitenant SaaS architecture. - Experience with WebSocket and real-time communication. - Previous work with AI-powered call center solutions. - Understanding of JWT authentication and OAuth protocols. - Experience with Redis/Memcached for caching. - Knowledge of message queuing systems (RabbitMQ, Kafka). What We're Building You'll be instrumental in our transition from a monolithic Vicidial-based system to a modern, scalable, multitenant contact center platform with : - React-based frontend for superior user experience. - Node.js backend for microservices architecture. - Python-based AI engine for intelligent call handling. - AWS cloud infrastructure for scalability and reliability. - API-first design for seamless integrations. What We Offer - Opportunity to architect and lead a critical technology transition. - Work with cutting-edge AI and cloud technologies. - Collaborative environment with in-house DevOps, Full Stack, and AI engineering teams (ref:hirist.tech)