Umar Khalid Email & Phone Number

Islamabad, Pk

Berlin, Germany

Rawalpindi, Punjab, Pakistan

- Worked on multiple projects from scratch using JavaScript and MERN stack (MongoDB, Express.js, React, Node.js), Next.js, GraphQL, etc.- Utilized agile development methodologies and tools such as Trello, Jira, and Asana to effectively handle and monitor our progress.- Implemented continuous integration and continuous deployment (CI/CD) pipeline using tools such as Github Actions.- Used Git, a version control system, to manage our code and maintain consistency across different versions.- Created and Integrated RESTful and GraphQL APIs for efficient data manipulation and retrieval.- Implemented diverse payment options, including Stripe, PayPal, and Lightning Payments (Bitcoin).- Used multiple Cloud services such as AWS EC2, S3, Elastic Beanstalk, GCP App engine, Vercel, Netlify, as well as Heroku for deploying and scaling applications.- Conducted code reviews and enforced coding standards for improved code quality.- Assisted in mentoring and guiding junior developers.

- Maintained high-performance e-commerce web applications with React.js, Next.js, Nest.js, Express.js, and PostgreSQL.- Collaborated with UX/UI teams to enhance user experience through responsive interfaces with React.js and Next.js.- Worked together with different teams to make sure projects stayed on track.- Investigated and resolved complex technical issues, improving application reliability and user satisfaction.

Islāmābād, Pakistan

- Handled web and mobile apps made with the MERN stack and GraphQL, using Expo CLI for mobile development.- Oversaw the development and upkeep of a food delivery app with multiple vendors, making sure it stayed reliable and packed with features.- Worked closely with product managers to add new features, making the app better for users.- Updated and improved both the mobile and web apps, making them faster and more enjoyable to use.