Umair is an expert Java Developer and Oracle Certified Professional with 10+ years of experience and technical specialty in developing service-oriented architecture using Java, Spring, and Angular.js. He is also proficient in system analysis, object-oriented design, implementation, performance optimization, and testing of innovative enterprise web applications/solutions for clients.
Oversaw tasks on API integrations and enhanced processes for integrating new clients, recommending best practices around design and architecture.
Handled the development of new features on an e-receipts project, delivering high-quality code on time and following SDLC processes.
Provided support and consulting on the e-receipt project, evaluated and deployed tools, processes, and metrics, and ensured compliance with project plans and industry standards.
Provided guidance and direction for system performance and security optimization tasks for all portal applications.
Enhanced application performance through extensive database optimization, introduced caching, and handled memory leakage using an Angular.js-based application.
Managed applications and testing for potential security vulnerabilities like XSS attacks and SQL Injection and provided on-site support during customer acceptance testing.
Provided guidance for the performance of daily system monitoring and verification of the integrity and availability of all hardware, server resources, system, and key processes.
Performed security monitoring to identify vulnerabilities and any possible intrusions into systems.
Configured/added new services as necessary and maintained all operational, configuration, and other procedures within the system.
Designed, developed, and deployed attendance management software using biometric devices, delivered a presentation, and trained the client's IT department on using the system.
Provided on-call support to customers by identifying, troubleshooting, and resolving technical issues with the client's attendance and access management systems.
Identified and recorded details about support tickets and contributed to the company's documentation and knowledge base.