Ivan Ignatyev

This is enterprise data storage that collect structured and unstructured data for history and analytics purposes. The storage provides REST API for accessing from client apps.

Role: Lead Software Engineer
Responsibilities: Design and development of the data storage and REST API.

Technologies used: C#, Azure, Azure Functions (REST API and trigger processing), Azure Durable Functions, Azure Cosmos DB, Azure Blob Storage, Azure Logic App, Azure Event Grid and Git.

Team and duration: One developer ( ~5 months).

This is a medical wound care system created by Perceptive Solutions. The system is designed for the clinic staff to capture and collect 3D wound images, execute automatic wound measurements, and define treatment plans. It also provides analytics tools to analyze treatment progress. The system consists of a mobile app (UWP tablet supported), web app, and back-end API service.

Role: Senior software engineer
Responsibilities: Design and development of the mobile app and back-end RESTful API.

Technologies used include mobile app, Xamarin (UWP platform supported), Xamarin Forms, C#, C++, SQLite, back-end RESTful API, ASP.NET Core (C#), Azure App Service, Azure SQL, Azure Blob Storage, and Git.

Team and duration: Four developers, one QA, one team lead ( ~15 months).

This is a mobile application (iOS and Android platforms are supported) for auditing vending machines through BLE communication and DEX protocol.

Role: Senior Software Developer
Responsibilities: Designing and implementing the mobile app.

Technologies used include Xamarin, Xamarin Forms, Java (native Android module), Swift/Objective-C (native iOS app/module), BLE communication (iOS and Android), DEX protocol, and Git.

Team and duration: Two developers; eight months.

This is a web application for managing tasks for hospital staff.

Role: Lead software engineer

Responsibilities: Technical project lead, design, and implementation of the system back end with Node.js and implementation of the system infrastructure in AWS.

Technologies: React, Node.js, TypeScript, Amazon API Gateway, AWS Lambda, AWS Cognito, Amazon RDS for PostgreSQL, and Git.

Team and duration: Two developers; two months.

This is a cloud-based POS system. The system provides a POS management web application, cash register operator apps designed for tablet computers (iOS/Android/Windows), and an eCommerce website.

Role: Lead software engineer, software architect

Responsibilities: Technical project lead, designing system architecture, designing and implementing core functions for the web, mobile, and services apps, implementing system infrastructure in Azure.

Technologies: MS Visual Studio .NET 2015 (C#), .NET 4.5, ASP .NET, web API 2, Angular, MS SQL Server, cross-platform mobile solutions with Xamarin (iOS/Android/Windows), Azure (web app, Blob/Table/Queue Storage, Cloud Services), and Git.

Team and duration: Five developers; ~2.5 years.

The system is designed to provide indoor navigation solutions for large buildings such as universities, malls, and casinos. The solution provides a mobile app (iOS) that shows an indoor map, detects a user position on the map, allows navigating to the required location in the building, and provides location-based messages to a user.

Role: Team lead, solution architect, software architect

Responsibilities: System architecture and components design, solution review, project management.

Technologies: MS Visual Studio 2015 (C#), ASP.NET, web API 2, MS SQL, XCode 9.2 (Objective-C and C++), Git, and Azure hosting.

Team and duration: Two developers, one QA, one team lead, ~6 months.

This is a cross-platform client-server solution. The solution is integrated by software providers into their software products for user location verification. The supported platforms are Windows, Mac OS X, iOS, and Android. It provides a back-office website for administrative purposes and back-end web services for the integration of client-side modules.

Role: Head of development

Responsibilities: Leading company development center; organizing software development process; planning and project management; resource management; preparing product requirements; designing and reviewing solutions; system architecture and components design, and code review.

Technologies: MS Visual Studio 2010/2012 (C++), XCode 4.6.3 (C++ and Objective-C), Java (Android), PHP, JavaScript, Git, Jira, and AWS hosting.

Team and duration: 5-7 developers, 4-6 QA, two system engineers, two project managers, ~2 years.

This is an iPad application, which is a client application for an infrastructure management software system. The application is used by technicians to process service requests for the infrastructure of buildings by managers to manage work for technicians.

Role: Solution architect, senior software engineer

Responsibilities: Preparing product vision and requirements; designing, implementing, and reviewing solutions, resolving issues.

Technologies: Xcode 4.3, Objective-C, MS Visual Studio .NET 2008/2010 (C#), .NET 3.5, MS SQL Server 2005, WCF services, and Git.

Team and duration: Eight developers, four QA; nine months.

This is a large business management software system designed for retail, hospitality, and fuel station businesses.

Role: Senior software engineer

Responsibilities: Leading a group of remote developers; processing product requirements; estimating efforts; tasks management; designing, implementing and reviewing solutions, and resolving issues.

Technologies: MS Visual Studio .NET 2008 (C#, C++), .NET 3.5, MS SQL Server 2008, Multithreading, ASP.NET web services, SVN.

Team and duration: Four developers (led by me); three years.

This is a desktop application that is part of a large distributed system. It is a wizard-style application that guides a user through the process of configuring medical devices. The application downloads required data and rules from the remote server, which is deployed on the web and applies them to a device.

Role: Development lead

Responsibilities: Technical leader, communication with a customer, defining product requirements, estimating efforts, development team management, tasks management, checking for schedule, design and review solutions, and resolving issues.

Technologies: MS Visual Studio .NET 2008 (C#), InstallShield 2008 Premier, .NET 2.0, web services, and TFS.

Team and duration: Three developers, three QA engineers, one technical writer, and one artist; 12 months.

This is a powerful medical information system. It consists of four software products.

Role: Development lead, software architect

Responsibilities: Technical leader, communication with a customer, defining product requirements, estimating efforts, development team management, tasks management, checking for schedule, architecture design, and review, and resolving issues.

Technologies: MS Visual Studio .NET 2005 (C++, C#), Borland C++ Builder 6.0, MS Visual Basic 6.0, InstallShield 2008 Premier, Passolo 6.0, .NET 2.0, COM, ActiveX, ATL 7.0, MFC 7.0, VCL, TAPI, OBEX, XML, MS Access 2003, Active Reports 2.0, VSS, and TFS.

Team and duration: Seven developers, five QA engineers, one technical writer, and one artist; five years.