mohamedmushsin

Acted as a bridge between developers and third-party vendors to streamline API onboarding. Continuously monitored API performance using tools Postman, proactively identifying bottlenecks and reducing error rates by 40%. Diagnosed and resolved high-priority connectivity issues affecting real-time transaction systems, ensuring 99.9% uptime. Provided L2/L3 technical support for API-based issues, achieving a 95% resolution rate within SLA timelines. Tuned API QPS and throttling thresholds based on load testing results to align with partner performance benchmarks. Analyzed API consumption patterns to identify underperforming endpoints and optimize data flow, resulting in a 20% increase in throughput. Generated weekly performance and uptime reports for stakeholders, highlighting key KPIs and improvement areas.

Implemented and supported applications including Passport Scanner Systems, Electronic Registration, Border Control, and Real-time Guest Data Transmission for government authorities. Managed on-premise and cloud-based PMS integrations across multiple hotel systems to ensure seamless data flow and operational efficiency. Supported and maintained VMS and Flight Scheduling Applications for hospitality, aviation, and banking sectors. Developed and deployed RESTful API integrations for clients ensuring secure and compliant data transfer. Implemented RFID-based membership solutions and LDAP integrations to enhance access control and centralized user management. Performed installation, configuration, and upgrades of critical business applications while ensuring minimal downtime. Administered Microsoft IIS and SQL Server environments, managing backups, performance tuning, and data migrations. Provided 24/7 technical support, troubleshooting incidents and ensuring SLA compliance and high customer satisfaction. Led and mentored team members, overseeing daily operations and service performance. Utilized Salesforce CRM, JIRA, Dynatrace, and Splunk for monitoring, project tracking, and performance optimization. Prepared monthly performance and RCA reports and collaborated with cross-functional teams to improve system reliability. Traveled internationally for project implementation, client training, and post-deployment support.

Administered Windows domains and desktops, ensuring network security and data integrity. Configured and maintained Symantec endpoint protection for enterprise-wide security. Monitored server performance, backups, and storage utilization, ensuring high availability and data protection. Implemented backup strategies, monitoring data storage efficiency and disaster recovery plans. Provided end-user training and technical support, ensuring smooth adoption of IT systems and applications.