Hi! I am Sidra Hashmi have 06+ years of experience in front-end & back-end web and mobile app development. I came on Upwork to meet Great Clients on international level, and to be a long term individual contributor for them on the way to a Great Success.* Professional Journey:As a developer, I started as a back-end development, where I have mainly worked on different types integration such as API development, core libraries development, product development on SAS model, web service APIs using client/server dependency, databases and web development & Database Administrations.