Umar Naseem Email & Phone Number

United States

Developed more than 5 customer-facing web applications, utilizing Ruby on Rails for Backend and React for Frontend, enhancing scalability and reliability.Spearheaded microservice architecture implementation, resulting in a 60% performance boost and an 80% reduction in maintenance efforts.Implemented Ruby on Rails upgrades, patches, bug fixes using Restful APIs, PostgreSQL, and RabbitMQ expertise achieving improved functionality.Collaborated with the QA team to develop and execute… Show more Developed more than 5 customer-facing web applications, utilizing Ruby on Rails for Backend and React for Frontend, enhancing scalability and reliability.Spearheaded microservice architecture implementation, resulting in a 60% performance boost and an 80% reduction in maintenance efforts.Implemented Ruby on Rails upgrades, patches, bug fixes using Restful APIs, PostgreSQL, and RabbitMQ expertise achieving improved functionality.Collaborated with the QA team to develop and execute comprehensive test plans, contributing to a 75% test coverage rate.Integrated Python scripts for data processing and automation tasks, streamlining backend workflows and improving efficiency.Optimized application performance through caching, code refactoring, and database query optimization, achieving a 40% improvement.Utilized Ci/CD services for streamlined continuous integration and deployment processes.Managed deadlines, deliverables, code quality, and provided time estimation on tasks.Mentored junior developers, conducting regular code reviews, and delivering constructive feedback to enhance efficiency. Show less

United States

Maintained WebAPIs and Integration of third-party APIs, achieving a 40% scalability improvement and a 60% reduction in response time.Leveraged Ruby on Rails functionalities to enhance system capabilities, streamline processes, and performance optimization.Designed front-end with Rails 4, CSS3, AJAX, and jQuery.Tested functions through XUnit tests and built integrations for ServiceNow, as well as wrote collectors and plugins for Azure and GCP using respective APIs and… Show more Maintained WebAPIs and Integration of third-party APIs, achieving a 40% scalability improvement and a 60% reduction in response time.Leveraged Ruby on Rails functionalities to enhance system capabilities, streamline processes, and performance optimization.Designed front-end with Rails 4, CSS3, AJAX, and jQuery.Tested functions through XUnit tests and built integrations for ServiceNow, as well as wrote collectors and plugins for Azure and GCP using respective APIs and SDKs.Participated in architecture and design, implemented Backend with Ruby on Rails and Frontend with Angular, leading to a 60% decrease in page load times.Integrated various third-party APIs such as Stripe for enhanced system functionality.Optimized SQL database queries to enhance system performance. Show less

Developed, maintained, and optimized consumer-facing websites using Python, .NET, and React.Built interactive and user-friendly components in React.js, adhering to best practices.Updated legacy codebases to modern development standards, achieving improved functionality and performance.Demonstrated exceptional coding skills with meticulous attention to detail in Backend development using the Rails and .NET frameworks.Improved and enhanced the functionality of existing websites… Show more Developed, maintained, and optimized consumer-facing websites using Python, .NET, and React.Built interactive and user-friendly components in React.js, adhering to best practices.Updated legacy codebases to modern development standards, achieving improved functionality and performance.Demonstrated exceptional coding skills with meticulous attention to detail in Backend development using the Rails and .NET frameworks.Improved and enhanced the functionality of existing websites and SaaS models.Resolved critical production issues promptly, ensuring uninterrupted service delivery and customer satisfaction.Achieved Employee of the Year award for best performance.Tech Stack: Python Frameworks, .NET/C# Django, Flask, Rest APIs, SQL Server, React.js, AWS, JavaScript, HTML, CSS. Show less