Ahmad Mayahi

Senior Backend Developer

Moxso · Copenhagen Metropolitan Area · Hybrid

Founder

ChatVia.ai · Self-employed

Founded ChatVia.ai and established core product architecture, steering the development lifecycle from concept through deployment. Implemented AI best practices across vector databases, backend/frontend systems, and security. Architected a full-stack AI platform leveraging Laravel 12, Vue.js 3, Inertia.js, PostgreSQL, and VectorChord.

Senior Web Developer

Colourbox · Denmark · Hybrid

Led development and infrastructure for AI-driven solutions in facial recognition and vector databases. Designed a fully on-premise facial recognition system. Built a signal processing system for an Elasticsearch-based search engine, capturing customer behavior patterns to improve search relevance.

Senior Web Developer

ORDRESTYRING · Copenhagen, Denmark · On-site

Developed backend services using Laravel, building robust RESTful and GraphQL APIs. Designed and optimized data workflows ensuring high performance and seamless integration. Implemented API-driven solutions enabling real-time data exchange and improved system responsiveness.

Senior Web Developer

hoej.dk A/S · Ballerup · On-site

Contributed to building a robust advertising system and enhanced legacy applications using Laravel. Managed DevOps operations including server administration, deployments, and CI/CD pipelines. Streamlined development workflows, optimizing deployment processes and reducing downtime.

Web Developer

Nitro Travel Solutions · Copenhagen Metropolitan Area · On-site

Maintained and enhanced legacy PHP applications with PostgreSQL. Implemented CI/CD pipelines ensuring smooth, automated deployments. Monitored server performance and assisted in administration, optimizing system uptime.

Web Developer

Freelance · Denmark · Remote

Developed custom web applications for multiple clients using PHP, Symfony, and MySQL. Built and maintained small-scale websites and backend systems. Integrated cloud services (AWS EC2, S3) into 10+ projects to enhance uptime and automate backups.

Web Developer

PARSDATA · Tehran, Iran · On-site

Increased service uptime by 35% and reduced page load times by 40% through systematic code audits and refactoring with PHP and FFmpeg. Integrated RESTful APIs for real-time data transfers. Reduced front-end development time by 50% through modular UI redesign.

Web Developer & Sysadmin

Abdullah Aljohar Limited · Saudi Arabia · Remote

Designed and developed a dating website using PHP, Smarty, and jQuery. Implemented backend functionality with MySQL ensuring robust data management. Managed server environment on Fedora (LAMP stack) handling deployment, maintenance, and system stability.

Web Developer

One Card Pay · Saudi Arabia · Remote

Designed and developed a digital goods e-commerce website using PHP, Smarty, and jQuery. Implemented backend systems with MySQL ensuring secure transactions. Managed deployment and maintenance on a Fedora LAMP stack.