Yasir Khan Email and Phone Number

After dedicating 18 months as the Principal Architect on the PureVPN product, I'm excited to announce that it has now reached a stable state. This success has opened up new opportunities for me to support additional products within the PureSquare umbrella. One such product is PureDome, which caters specifically to small and medium enterprises (SMEs) as a business-to-business (B2B) application.PureDome is a comprehensive secure access solution that enables businesses to securely connect… Show more After dedicating 18 months as the Principal Architect on the PureVPN product, I'm excited to announce that it has now reached a stable state. This success has opened up new opportunities for me to support additional products within the PureSquare umbrella. One such product is PureDome, which caters specifically to small and medium enterprises (SMEs) as a business-to-business (B2B) application.PureDome is a comprehensive secure access solution that enables businesses to securely connect their employees to their network and Software-as-a-Service (SaaS) resources. It goes beyond being a simple VPN solution by providing a complete network security platform tailored to the needs of small businesses that may not have the resources for full-time Network Operations Center (NOC) team.The techstack used in the backend APIs is Node JS, TypeScript and PHP. For Infrastructure as Code using Ansible, Terraform and Python. For client side apps, Swift for mac/ios, Dot Net for windows, Electron for Linux and Kotlin for Android apps. For communication between distributed services RabbitMQ and Redis are used. For monitoring new-relic and ELK is being used.. Show less

Principal Architect is a broader role within the organization, encompassing strategic responsibilities that reach across a wider range of areas. My remit includes overseeing the purevpn network infrastructure, consumer apps, home-grown SDKs, and backend APIs that provide authentication and authorization for end users as well as data retrieval services. As the lead technical strategist, I am committed to crafting an end-to-end solution that will deliver the optimal user experience for our… Show more Principal Architect is a broader role within the organization, encompassing strategic responsibilities that reach across a wider range of areas. My remit includes overseeing the purevpn network infrastructure, consumer apps, home-grown SDKs, and backend APIs that provide authentication and authorization for end users as well as data retrieval services. As the lead technical strategist, I am committed to crafting an end-to-end solution that will deliver the optimal user experience for our PureVPN and PurePrivacy apps.https://www.pureprivacy.com/https://www.purevpn.com/The techstack used in the backend APIs is Node JS, TypeScript and PHP. For Infrastructure as Code using Ansible, Terraform and Python. For client side apps, Swift for mac/ios, Dot Net for windows, Electron for Linux and Kotlin for Android apps. For communication between distributed services RabbitMQ and Redis are used. For monitoring new-relic and ELK is being used. Services to offer VPN and Proxy are in C/C++ Show less

This role marked a departure from my prior experiences as a Lead Software Developer, as it entailed a greater degree of autonomy in decision-making and problem-solving. Instead of being assigned a specific product or feature to work on, I was given a problem statement and the freedom to determine the best course of action.This position posed numerous challenges, including ambiguity, uncertainty, and complexity, often requiring the coordination of cross-functional teams to implement the… Show more This role marked a departure from my prior experiences as a Lead Software Developer, as it entailed a greater degree of autonomy in decision-making and problem-solving. Instead of being assigned a specific product or feature to work on, I was given a problem statement and the freedom to determine the best course of action.This position posed numerous challenges, including ambiguity, uncertainty, and complexity, often requiring the coordination of cross-functional teams to implement the desired solutions. However, these challenges were matched by the significant impact of my work, including the revitalization of PureVPN's network infrastructure, the introduction of new VPN protocols, the optimization of the service delivery network, the implementation of Service Level Agreements, and the customization of VPN protocols to evade censorship. Show less

Assuming a lead role in a team, responsible for developing software tools to enhance cloud security for SaaS applications, identifying risks/threats and enforcing cloud security across multiple cloud services. Lead of small team (5 engineers) within the larger team that developed c-icap service for squid to process inline http traffic. The application developed in C processes HTTP traffic for SaaS apps and identify the activity. Examples of few activities are gmail login, one drive upload, box… Show more Assuming a lead role in a team, responsible for developing software tools to enhance cloud security for SaaS applications, identifying risks/threats and enforcing cloud security across multiple cloud services. Lead of small team (5 engineers) within the larger team that developed c-icap service for squid to process inline http traffic. The application developed in C processes HTTP traffic for SaaS apps and identify the activity. Examples of few activities are gmail login, one drive upload, box download.The application is part of Symantec CASB where other modules uses this feed to enforce the security policies configured by the administrator. The application is deployed on AWS. For monitoring and logging splunk and wavefront are used. For caching and pub/sub Redis is being used. For storing tenant info MongoDB is being used.Apart from regular development took lead on cpu and memory profiling of the inline service, contributing towards performance enhancement and better scalability. Show less

Architecting and developing data recovery tools and applications for MacOS, Windows OS, Linux OS and iOS based devices [iPhones, iPads and iPods], for all sorts of FileSystems and storage devices both physical and virtual, both Single disks and DiskArrays [RAID/Spanning devices]. Code Debugging, Code optimization, memory debugging, application packaging, deployment and customer support.Tools and technologies: C/C++, Objective C, autoit, shell scripting, python, Xcode, Qt Creator, GStreamer,… Show more Architecting and developing data recovery tools and applications for MacOS, Windows OS, Linux OS and iOS based devices [iPhones, iPads and iPods], for all sorts of FileSystems and storage devices both physical and virtual, both Single disks and DiskArrays [RAID/Spanning devices]. Code Debugging, Code optimization, memory debugging, application packaging, deployment and customer support.Tools and technologies: C/C++, Objective C, autoit, shell scripting, python, Xcode, Qt Creator, GStreamer, Gtk, MFC, Xcode Instrumentation, Visual Studio profiler. Show less

Worked on embedded software for DPI based network products, used in GPRS and LTE Nodes. Worked both as a team member and as an independent contributor, also mentored other engineers/teams on the insight of content management engine of the product. Development experience involved an extensive exposure to TCP/IP, Algorithms and DS, optimized solutions for multi-core/multi-threaded synchronization issues, debugging issues that would arise only on high traffic speed (Gigabits of traffic), resources… Show more Worked on embedded software for DPI based network products, used in GPRS and LTE Nodes. Worked both as a team member and as an independent contributor, also mentored other engineers/teams on the insight of content management engine of the product. Development experience involved an extensive exposure to TCP/IP, Algorithms and DS, optimized solutions for multi-core/multi-threaded synchronization issues, debugging issues that would arise only on high traffic speed (Gigabits of traffic), resources leaks etc.Tools and Technologies: Cavium GCC like compiler, remote server/embedded software development, Octeon Network processor, Spirent, GGSN/LTE. Show less

Worked on NeroBackItUp, a backup/restore software by nero.Designed and implemented algorithm for File system resizing of ReiserFS and Ext2/3fs.Feature edition for already developed algorithms for partition/files Backup and restore for ReiserFS and Ext2/3fs.Independently managed the NBImage Tool, A linux based, LiveOS product for crashed systems.GUI development using GTK+, GNU Tool Chain, GNU Compiler Collection, C/C++.Linux kernel customization, linux source code… Show more Worked on NeroBackItUp, a backup/restore software by nero.Designed and implemented algorithm for File system resizing of ReiserFS and Ext2/3fs.Feature edition for already developed algorithms for partition/files Backup and restore for ReiserFS and Ext2/3fs.Independently managed the NBImage Tool, A linux based, LiveOS product for crashed systems.GUI development using GTK+, GNU Tool Chain, GNU Compiler Collection, C/C++.Linux kernel customization, linux source code compiling.X.Org (X windowing system) configuration, and other driver configuration.Localization for European and Asian languages. Show less