Senior Full-Stack Engineer - .NET Expert (9+ yrs)
Resume:
Khuram Shahzad
************@*****.*** linkedin.com/in/khuram-ismaeel-83881538b/
PROFESSIONAL SUMMARY I am a Senior Software Engineer with over 9 years of experience specializing in the .NET stack (C#, ASP.NET, MVC, and SQL Server), with a strong focus on backend development. I have extensive expertise in building scalable, high-performance backend systems, including developing robust APIs, optimizing server performance, and integrating secure payment systems. My experience spans across e-commerce platforms and media streaming services, where I enhanced backend efficiency, improved system performance, and ensured secure data handling. Additionally, I have proficiency in CI/CD pipeline setup, managing cloud services, and deploying applications at scale. I am committed to delivering seamless, reliable backend solutions that align with both user needs and business objectives.
SKILLS Frontend React.js, Angular, TypeScript, JavaScript, Blazor, HTML5, CSS3, Bootstrap, Material UI, jQuery, ASP.NET MVC, Razor Pages, Telerik Kendo UI, SignalR, xUnit. Backend ASP.NET Core, Web API, RESTful APIs, Microservices, GraphQL, Entity Framk, OAuth 2.0 Dependency Injection, LINQ, SignalR, Azure Functions. Databases & DevOps SQL Server, PostgreSQL, MySQL, MongoDB, Cassandra, Redis, Firebase, Azure Cosmos DB, AWS
(Lambda, EC2, S3, CloudFormation), Google Cloud Platform, Azure, Docker, Kubernetes, Terraform, Jenkins, GitHub Actions, Azure DevOps, CI/CD pipelines, Azure Blob Storage, Azure SQL Database Jest, Cypress, Enzyme, D3.js..
WORK HISTORY SoftServe
Austin, TX (Remote)
Senior Software Engineer Mar 2022 - Dec 2025
Project: Picanova
Link: https://www.picanova.com/
Admin Portal: https://tinyurl.com/picanova-dashboard Picanova is an e-commerce platform offering personalized photo products. I contributed by developing dynamic, responsive user interfaces with React.js and building efficient backend services with .NET Core (C#). Key responsibilities included integrating secure payment systems (Stripe, PayPal), setting up real-time SMS notifications with Twilio, and creating dynamic data visualizations with D3.js.
● Developed dynamic and responsive user interfaces with React.js, improving performance and user experience across platforms.
● Built and managed backend services using .NET Core (C#), handling API requests, improving server efficiency, and implementing RESTful APIs.
● Integrated secure payment processing with Stripe and PayPal, enabling smooth, safe, and reliable transactions.
● Implemented server-side rendering (SSR) and static site generation (SSG) using Next.js for fast performance and enhanced SEO.
● Managed global application state using Redux for consistent data flow across frontend components.
● Integrated Twilio for SMS notifications on payment confirmations, account updates, and alerts, improving user engagement.
● Created dynamic data visualizations using D3.js to help users analyze payment trends and insights.
● Ensured efficient data retrieval and scalability by managing MongoDB databases and integrating AWS services like EC2, S3, and Lambda.
● Set up Jenkins-based CI/CD pipelines to automate builds and deployments, ensuring reliable and fast releases.
● Implemented Material UI components for consistent design and user experience.
● Integrated Apple Pay and Google Pay for mobile payment options, optimizing the checkout process for mobile users.
● Developed Sentry for real-time error tracking, enabling quick identification and resolution of issues. Tech Used: React.js, Redux, Material UI, D3.js, Next.js, .NET Core (C#), RESTful APIs, Entity Framework, PayPal, Apple Pay, Google Pay, Twilio, SendGrid, MongoDB, AWS (EC2, S3, Lambda). Illumy
Miami, FL (Remote)
Senior Software Engineer Aug 2017 - Feb 2022
Project: Paynearme
Link: https://home.paynearme.com/
Admin Portal: https://tinyurl.com/paynearme-dashboard Paynearme is a payment platform where I was responsible for building the frontend with React.js and the backend with
.NET. My contributions included developing responsive UIs, integrating Stripe/PayPal, and using Twilio for notifications. I deployed the application on AWS for scalability and set up CI/CD pipelines using Jenkins for streamlined development and deployment processes.
● Built core features of the platform using ASP.NET Core for product browsing, search functionality, and the shopping cart system, supporting over 500,000 product listings.
● Improved conversion rates by 40% through UI/UX optimizations using Blazor for dynamic, responsive front-end development.
● Led the integration of secure payment gateways (Stripe) and backend services for real-time inventory updates and order processing, managing over 2,000 transactions daily.
● Achieved 99.9% stock accuracy across the platform, enhancing the reliability and trustworthiness of services.
● Collaborated with the DevOps team to optimize the deployment pipeline with Azure DevOps, ensuring scalability and high availability.
● Supported millions of daily users by developing and deploying a highly available, scalable infrastructure using Azure Kubernetes Service (AKS) and Docker.
Tech Used: ASP.NET Core, Entity Framework Core, SQL Server, Blazor, JavaScript, HTML5, CSS3, Azure, Azure Kubernetes Service (AKS), Docker, Stripe, Elasticsearch, RESTful APIs, GraphQL, Azure DevOps, CI/CD pipelines. Freelancing
San Francisco, CA
Software Engineer Sep 2016 - July 2017
Project 1: Peerspace
Link: https://www.peerspace.com/
Portfolio: https://tinyurl.com/peerspace-dashboard Peerspace is a platform that connects individuals seeking event venues with space owners, creating a marketplace where users can easily find and rent the ideal location for various occasions. My contributions included refining the frontend, optimizing the search engine with Algolia, and integrating Stripe Checkout for seamless payment processing.
● Revamped landing and detail pages using ASP.NET MVC and Blazor, creating a seamless and engaging user interface
● Developed a management portal using ASP.NET Core and Entity Framework Core, enabling efficient tracking of users, transactions, and bookings, streamlining administrative operations.
● Simplified payment processing by integrating Stripe Checkout through the Stripe .NET SDK.
● Implemented a scalable, serverless backend architecture using AWS services (Lambda, S3, EC2) and Microsoft Azure, ensuring reliable performance and efficient data management.
● Conducted unit and integration testing with xUnit and NUnit, ensuring the platform’s stability, responsiveness.
● Enhanced system scalability and data handling by integrating cloud solutions, enabling the platform to accommodate increasing traffic and transaction volumes.
● Polished CSS and SASS implementations to deliver a consistent and visually appealing design, enhancing the overall user experience.
● Collaborated with product and design teams to align development with business objectives, delivering user-focused features that addressed key customer needs.
● Optimized both frontend and backend performance, reducing load times and improving responsiveness for a smoother user experience.
Tech Used: Blazor, ASP.NET MVC, JavaScript, HTML5, CSS3, ASP.NET Core, Entity Framework Core, Stripe .NET SDK, AWS (Lambda, S3, EC2), Microsoft Azure, Azure DevOps, CI/CD pipelines, xUnit, NUnit, Stripe. Project 2: HeySpace (Team Collaboration & Chat)
https://hey.space/
HeySpace is a project management and team chat tool that combines Trello-like boards with real-time messaging.
● Developed a real-time group chat system using SignalR (ASP.NET's real-time framework), ensuring seamless team communication with instant message delivery and read receipts.
● Built the frontend with server-side rendering using Next.js for improved load times and SEO, while developing React.js for interactive UI elements.
● Designed a SQL Server-based message storage system, optimizing fast and efficient retrieval of chat history for scalability.
● Implemented OAuth authentication using ASP.NET Core Identity for secure user login across multiple devices and services.
● Developed backend APIs with ASP.NET Core and C#, ensuring fast and reliable performance, integrating features like messaging, user management, and notification services.
● Managed application state with Redux for consistent data flow across components.
● Integrated Azure for scalable cloud infrastructure and high availability.
● Applied Material UI to deliver a consistent, responsive design across devices.
● Automated CI/CD pipelines using Azure DevOps for streamlined testing and deployment.
● Developed a modular backend architecture with ASP.NET Core to handle the growing needs of the app.
● Integrated real-time messaging features with SignalR to ensure instant communication within the app. Tech Used: ASP.NET Core, SignalR, SQL Server, OAuth, React.js, Redux, Azure, Material UI, D3.js, Jenkins.
EDUCATION Bachelor Degree in Computer Science (2016)
Air University, PK
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