• Lead Developer in modernizing classic cloud applications. Upgrading applications and library packages from .NET Framework and Standard 2.0 to .NET6. Building REST APIs. Logging and metrics with Application Insights. Created alerts and notifications (emails/MS Teams).• Azure DevOps for CI/CD: Build pipelines for compiling projects; running unit tests; creating/pushing nuget packages; build/push docker images. Release pipelines to deploy to different environments and deployment slots with approval processes.• Implemented Microsoft Authentication Library (MSAL) to use Office365 accounts and leverage roles for access to applications. MSAL implemented in SPA and asp.net web API to require authorization for SPA pages and API.• Technical Writing: Created numerous documents and diagrams to help team members troubleshoot unfamiliar systems. Working along side Principal Architects planning company's future systems architecture.• Knowledge share and mentoring of developers on design patterns; performance improvements; C# language features.• Additional Experience: Azure Functions; Event Hub/Grid, Service Bus, CosmosDB, Power Automate

• Longer term project plans and strategies.• Researched and introduced Proxmox to host Linux Containers (LXCs) and reduced license costs produced by Windows servers. Configured Proxmox servers and generated reusable LXC templates.• Introduced near real-time metrics with Prometheus and Grafana. Reduced down time by detecting issues earlier.• Identified storage performance issues and worked with IT team to implement high performance storage solution.

• Built developer team dashboard that interfaced with REST APIs, WCFs, databases and caches to streamline support tasks. Saved the team hours in support work.• Led team in migrating all supported solutions from a locally managed SVN version control system to Azure Repos.• Introduced RabbitMQ HA cluster as a replacement to MS Service Bus.• Built .NET Core and Node message driven micro-services which reduce load on servers and increased processing time by eliminating contention on resources. Resulted in more reliable system behavior.• Built data-driven Node application headless browser (Puppeteer) for high performance web rendering and image generation.• Designed, deployed, documented, and maintained high performing web rendering application generating hundreds of thousands of images daily. Written in Node using Puppeteer (chromium) as the web driver. Message queue driven. Distributed across dozens of LXCs; easily scalable.• Designed deployed, documented, and maintained multiple high performance multi-threaded Socket processors (TCP/UDP) in .NET Core and .NET 5.• Replaced old ASP classic Marketing UI with .NET Core and Angular web application.• Improved system wide performance by introducing Redis and MongoDB to the on premises technology stack. Defined hardware specs for servers. Administered Linux servers, installed software in high availability configuration.• DevOps - Integrated Azure Repos and GitHub as sources for TeamCity. - Defined team’s branching strategy and CI/CD processes. - Configured and maintained build agents for .NET Framework, .NET Core, Node - Configured custom Linux build servers for proprietary software written in C/C++ utilizing ffmpeg and lib265. - Wrote custom PowerShell scripts to automate deployments, start/stop services and send Microsoft Teams messages using webhooks.

• Entrusted with high priority tasks with minimal guidance.• Worked on special projects, added new features and improved processes while providing transparency to stake holders. Identified bottle necks and offered optimized business logic.• Migrated standalone tools to a centralized web application to improve efficiency of developers and business analysts. Doing so has improved turn-around time for clients from hours to minutes.• Added feature to implement WACOM signature device to web application.• Meticulously worked through multiple applications addressing potential security flaw identified by Veracode.

• Tasked with stabilizing multiple products by improving performance and logging.• Performed impact analyses for new features and changes to business logic due to extensive knowledge of domain.• Redesigned image processing application to be more scalable. Implemented OOP concepts and design patterns to improve testing and feature integration. Implemented a builders and factories to handle conversions of various file formats e.g PDF, PNG, TIF and JPG. Leveraged built in .NET libraries as well as third party libraries such as iTextSharp and GhostScript.• Wrote applications to perform ETLs using SSIS and custom parsers.• Participated in code reviews. Onboarded new team members. Wrote documentations on business rules and troubleshooting how-to as well as database diagrams (Visio). Implemented automation of repetitive tasks to being event based.• Mentored, guided, and conducted code reviews for off-shore team.• Worked closely with project managers to address and overcome obstacles, satisfy clients and stakeholders without sacrificing quality.• Researched various technologies for new solutions and how to properly implement them. • Flown out to client sites and worked directly with individuals to resolve escalated issues.

• Developed, tested, and deployed data driven web automation scripts written in iMacros and stored in SQL.• Extracted and parsed data from the web using HTML Agility Pack and XPath; driven by C# (.NET Framework 4.0). Introduced regular expressions for more precise and versatile parsing.• Created new stored procedures and maintained existing ones.• Maintained existing applications and fixed bugs. Wrote console applications executed as scheduled tasks. Wrote services that generated data files in various formats and encodings as per clients’ requests.• Developed process-improving tools using WinForms and LINQ Pad scripts to expedite implementation of new clients and turn-around times for fixes.

Maintained basic web pages and browser extensions for Chrome and Firefox. Developed a simple web scraper using PHP that provided metrics for day to day tasks. Monitored and evaluated product metrics using Google Analytics and generated daily reports.