Abdur Rafay Email & Phone Number

Redmond, Washington, United States

🔵 Implemented Vue.js to create dynamic and responsive user interfaces. Utilized Vue components for modular development, and implemented data binding to synchronize UI with underlying data models.🔵Improved user experience by implementing a web socket streaming connection service for data retrieval, Initially, the process took more than 15 seconds. Progressive data retrieval ensures a smoother and more efficient user experience with reduced latency, allowing timely access to required information.🔵Developed an IoT device integration mechanism to connect devices to products, incorporating process stage tracking using Ignition and implementing security certificates.🔵Implemented Nginx server using HLS and RTMP for high-quality live and on-demand video streaming, enhancing stream reliability by 35% and reducing latency by 30%. Optimized server configurations, resulting in a 45% increase in concurrent user capacity and a 20% reduction in bandwidth usage.🔵Implemented a client-side caching mechanism to generate and store signed URLs from S3, reducing image load time from 5000 ms to less than 20 ms, resulting in a 95% improvement in user experience.

Karāchi, Sindh, Pakistan

🔵 Developed a highly efficient custom URL shortening algorithm, capable of generating over a million unique short URL codes in under a minute.🔵 Able to reduce the invitation cost by 80 % by developing a WhatsApp messaging service with Twilio integration. Orchestrated template creation through Content API, managed approval/rejection process, and enabled users to send invites via WhatsApp.🔵 Implemented webhooks to track message statuses, including failures, deliveries, and reads. Introduced filtering options for data sorting based on status and parameters, streamlining communication processes with a user-friendly template management interface and thorough tracking system. 🔵 We successfully developed cohesive AI-powered applications dedicated to sentiment analysis, feedback analysis, and customer support chatbots.🔵 Responsible for improving performance, scalability, security, cross-platform support, and developer experience by 20% of all .NET core API services by migrating them from .NET Core 3 and .NET Core 5 to .NET Core 8.🔵 Proactively was part of a code standardization process in which we improved the code debugging, maintainability, and readability by 40% through dependency injection, polymorphism, and code versioning.🔵 Developed components, services, and interfaces in React to create a robust web application, also utilized Redux and React query to manage state across components.🔵 Improved the application accessibility for the client by implementing the transcription service on node js and connecting it through web socket programming.🔵 Collaborated with the team to follow the test-first approach and wrote diverse innovative test suits on xUnit by which I was able to reduce the Lead time from 4 hours avg to less than 60 min.🔵 Understood the structure of Google Cloud Platform and the services it offers. Also learned how to monitor the application running on Google Cloud and debug bugs by examining the Google Cloud logs.

London, England, United Kingdom

🔵 Fully designed and coded "DulyPaid", a billing and invoicing automation system on Laravel which allows businesses to set up payment schedules and automated reminders with a feature to track payments, generate reports, and provide analytics.🔵 Set up APIs and webhooks crone jobs to sync data of 5 different Accounting SoftwareXero, Freshbooks, Sage, and Freeagent, also integrated Twilio and Nexmo to send surveys and reminder text messages, make and receive phone calls, and more.🔵 Reduced costs, Increased speed and agility, Improved collaboration, and Improved scalability by Implementing CI/CD pipeline using Jenkins.🔵Implemented Redis to ensure high performance, High Availability, and low latency of data.🔵 Improved the life cycle of the product by learning how to write unit and integration tests. Also integrated those test suits with the build job on Jenkins to ensure the quality of the product.

Karāchi, Sindh, Pakistan

🔵 Performed Data Engineering Techniques and Analysis on EFPIA(EuorpeanFederation of Pharmaceutical Industries and Association) countries for Bayer Germany.🔵 Improved Efficiency, Accuracy, and Cost Savings by 60% through writing automation data extraction scripts on selenium and also wrote different python scripts to automate different excel.

Karāchi, Sindh, Pakistan

Karāchi, Sindh, Pakistan

Bachelor'S Degree, Computer Science

A Level

O Level