Senior VICIdial/PHP Developer

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. Required Skills & Experience : Must-Have :- 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)