Chad 📟 Gruka Email & Phone Number

Denver, Co, Us

Vancouver, Wa, Us

- Architected the Evolution multi-tenant SaaS application.- Evolution leverages Azure's geo-redundant cloud offerings including; SQL, Storage, Front-Door, Redis, and App Services.- Designed and developed distributed transaction processing and 3rd party integrations.- Created an extensible solution for processing automated communication between Practices and Patients, user task management, and Patient orchestration.- Created cross-tenant analytics of transactional data using tabular data stores within Azure Analysis services.- Worked with key stakeholders to design, architect, and build system features.- Established core development practices; including development patterns, automation of boiler plate code, and code-reduction techniques.- Created and lead a team of national and international developers to support active development.- Implemented DevOps automation with build and release pipelines.

- Senior cloud architect for multiple clients leveraging Microsoft Azure.- Architected both multi-tenant SaaS applications and internal line-of-business applications.- Worked with business stakeholders and business analysts to create project plans and timelines. Worked with application UI designers and managed remote development teams.- Solution implementations were constructed using various Azure services including App Services, Azure SQL, Azure Functions, Redis Cache, Azure Storage, and Application Insights.- SaaS solutions included multi-region deployments within Azure’s US data centers. These solutions also included use of Azure Traffic Manager and Cloudflare.- Solutions were implemented with various technology stacks including ASP.NET Core WebApi (Restful Services), Angular 8+, and ASP.NET Core MVC.

Clive, Iowa, Us

Medina, Minnesota, Us

- Full stack senior developer for upgrading a shipping logistics application from AngularJS to Angular 6 with TypeScript.- Created a Xamarin mobile application for both iOS and Android to scan barcodes and take pictures. Enabled GPS data filtering based on users location.- Provided backend services for the mobile application for persisting data using ASP.NET Core WebApi (Restful Services).- Provided UI and Web Service updates to a large logistics system based on Angular 2+ and ASP.NET Core.

Omaha, Ne, Us

- Senior developer for a WPF/XAML based mobile application for the election polling industry- Application leverages SQLite, Autofac (IoC/DI), and NUnit- Implemented the MVVM Light framework, including navigation services, messaging, relay commands, and base view model- Developed a variety of complex pages, backed by view models to drive user interaction- Developed a variety of complex user controls and control styles

Lake Forest, Il, Us

- Aided in the development of a fully automated data mart for OLAP based reporting.- Implemented SQL Server Analysis Services (SSAS) for cube deployments.- Architected reporting cubes, leveraging Kimball methodology using star schemas.- Assisted with SQL Server Integration Services (SSIS) package debugging, tuning and optimizations.- Lead developer for migrating a Backbone JS reporting front-end solution to an ASP.NET MVC application.- Developed API’s for rending reports via Highcharts JS- Provided Proof-of-Concept solutions connecting PowerBI with SSAS.- Reviewed Azure’s Data Lake, Data Store, and Data Factory services for possible backend solutions.

Lake Forest, Il, Us

- Full stack developer on a large-scale social networking solution utilizing Windows Azure (Cloud Computing) and Kentico CMS.- The Windows Azure based solution implements .NET 4.5, ASP.NET MVC 4, and Entity Framework 6.0 technologies. The solution implements Inversion of Control (IoC) and Dependency Injection (DI).- Created data integration into SQL Azure and Azure Blob Storage. Used the Repository pattern with generics.- Upgraded the application’s service tier to utilize Azure’s Service Bus. Implemented Queuing and Topics to enable multi-instance communication.- Leveraging EF 6.0 Multi-Tenant abilities to reduce the number of databases required to support multiple data domains and multiple DbContext objects.- Implemented MVC WebAPI to enable AJAX/JSON jQuery form submissions.- Project implements Microsoft’s automated unit testing solutions and leverages Continual Integration (CI) builds.

- Lead developer for migrating two desktop-based VB6 applications to web-based ASP.NET. New solutions implement .NET 4.0, ASP.NET MVC 3, Entity Framework 4.3, and SQL Server Linked Server technologies to access DB2 for source data. The solution implements Inversion of Control (IoC), Dependency Injection (DI), and the Repository patterns- Lead Developer for the conversion, and upgrades to, a large-scale VB.NET WinForms application to C#. This application will eventually replace DVC’s enterprise system that is currently based in RPG and DB2 on AS400.- Designed an application to use Aspose.Words component for merging data from dynamic, web-service based, data sources with Microsoft Word templates.- Designed a proof-of-concept application to provide asynchronous replication of data changes between SQL Server 2008 R2 and iSeries DB2 databases using SQL Service Broker, SSIS Packages, and the External Activator.

Orlando, Florida, Us

- Maintained key financial systems at the park and corporate levels.- Maintained data warehousing solution for financial reporting.- Initiated weekly architectural design meetings among developers.- Development of SSIS packages for ETL processing of financial data into the corporate data warehouse, centered on SQL Server 2008.- Responsible for the security integration between the corporate security system and MICROS point-of-sale (POS) systems.- Instrumental in relocating the development team from St. Louis, MO to Orlando, FL.

Cleveland, Ohio, Us

- Responsible for overall infrastructure architecture, including custom in-house development and vendor supported installations.- Acted as interim Enterprise Application Architect. This role is responsible for evaluating all applications brought into the healthcare environment. Responsibilities include ensuring applications meet regulatory requirements set by federal and state authorities (i.e. SOX and HIPAA), evaluate software or solutions for security risks, and identify resource requirements needed for installation, maintenance, and support cycles.- Provide guidance for in-house development teams, both .NET and SQL, to move the environment forward from architectural, technological, and security perspectives.- Lead developer for upgrading the existing Intranet environment from a two-tier, ASP.NET 1.1 environment to an N-Tier platform that features Service Oriented Architect (SOA) based on ASP.NET 3.5 utilizing the Windows Communication Foundation (WCF).- Implementing role-based security for WCF service methods using custom authentication and authorization. This custom method will enable both windows (Kerberos/NTLM) and non-windows (form based) authentication.- Implementing IIS 7.5 shared content and configuration to minimize the complexity of the web farm environment.- Designed and implemented a .NET 3.5 C# object library, and website, to integrate data from a SQL database and Cisco’s IP Phone Services (VOIP). Application provides basic search functions of the Corporate Directory and enables direct dialing of listings found.

Cleveland, Ohio, Us

- Administrator of over 70 SQL Servers, both clustered and non-clustered, running Microsoft SQL Server 2000, 2005, and 2008.- Managed security to database servers, instances, databases and database objects.- Designed, created and optimized databases and complex queries to support intranet-based web applications.- Lead developer for standardizing database access for applications by implementing a custom-built Database Access Layer (DAL), a key component in delivering a corporate level, reusable, code library.- Maintained data replication feeds to external sources.- Provided data lost prevention and recovery for all SQL servers.- Troubleshot SQL issues including poor-performing queries or procedures, database backup issues, and identify server health issues including memory and hard disk health.

- Redesigned and developed a complex data/image import process using Microsoft SQL Server 2000 to improve performance and reliability. Achieved a performance improvement of 800% by reducing execution time from 6 hours to 45 minutes. The new process uses stored procedures to bulk insert data into temporary tables before merging with the actual data tables. Maintained a custom C# parsing utility for converting and cleansing incoming data.- A technical leader in the architectural redesign of the new agent websites. These sites utilize Microsoft SQL Server 2005, ASP.NET 2.0, and implements AJAX technology through the use of Telerik Controls.- Developed a unified DAL across all new projects to decrease development and maintenance cycles. The DAL includes a common class structure across all business objects which gain access to stored procedures to select, insert, update, and delete records from the database through the use of Microsoft’s Enterprise Library. Creating the DAL utilizes CodeSmith Studio to automate changes for both database and class objects.

Rochester, New York, Us

- Developed, tested and maintained a 3-tiered web application centered on Microsoft SQL Server 2000, Visual Basic, JavaScript, and ASP.- Responsible for modifying and creating SQL 2000 database stored procedures and functions to meet customer deliverables.- Used DTS packages to automate import/export processes. - Created complex T-SQL queries to test and validate data.- Worked with EDI data files including the X12 format.- Developed ASP and VB 6.0 code to create the application layer.- Created and modified Crystal Reports to provide detailed information on millions of records retrieved through T-SQL functions and stored procedures.