Michael Kriachkov

Experience

• 

  RRT Autoholding

  Oct 2010 - Dec 2011

  C# Developer

  Development of multi-layered system for collecting RRT Autoholding call centers' marketing data.Using WinForms DevExpress libraries extensively, as well as complicated MS SQL Server database. Extensive experience in database and stored procedures optimization, developing complex SQL views and queries.Achievements: Developed full-scale VoIP-integrated software complex for gathering marketing data from the scratch, including database, UI implementation, business process design for software-powered creation of custom "dialog schemas" according to specific company departments' marketing requests. Свернуть

• 

  ETNA Software

  Dec 2011 - Dec 2011

  C# Developer
• 

  Digital Design

  Jan 2012 - Jun 2015

  Senior Software Developer

  Development of commercial desktop applications for digital document processing, involving extensive usage of complex WPF UI and WCF cross-application connections.Experience in windows services, REST WCF services, backend and frontend architecture design.Achievements: implemented UI and BL layers for digital document processing "fat client" used by large-scale international holding. Implemented cross-platform data transfer & notification capability enabling communication between Apple- and Windows-based client versions. Свернуть

• 

  VinTelligent, Inc.

  Jul 2015 - Aug 2016

  Senior Software Engineer

  Involved in development of complex WPF application dealing with in-port container ship cargo handling and distribution; web-application responsible for distributing and tracking of newly-produced cars at the automotive plant yards; Windows-Mobile 6.0 legacy application development for hand-held device used for car and railcar tracking.

• 

  C-MAP

  Aug 2016 - Nov 2018

  Senior Software Engineer

  1. Support and further development of rich Silverlight application related to nautical management - WPF, WCF, OData.2. Development and support for several web applications related to light marine industry - ASP.NET, Web API, Javascript, Knockout.js, Braintree billing.

• 

  Distillery

  Dec 2018 - Mar 2021

  Senior Software Engineer

  Development of a .NET Core API backend microservice infrastructure for an international holding's healthcare application related to blood sugar tracking and statistics..NET Core, Web API, DDD, Autofac Modules, Ocelot, CQRS(MediaTR), RabbitMQ, Serilog.Development of web add-ins (Outlook and Teams) for large US secure file-sharing infrastructure (mainly Javascript-related job).

• 

  Medical Visual Systems

  Apr 2021 - now

  Sr. Software Engineer

  Design and development of microservice infrastructure for a medical company. Participated in design and development of a true microservices infrastructure with complex workflows involving heavy inter-service communication. Key technologies: .NET Core, RabbitMQ, Redis, MongoDB, S3 (MinIO).Designed and implemented several key microservices such as:- scalable microservice for scheduling and execution of 'heavy' video conversion tasks;- sophisticated service for dedicated video-processing server utilizing full computing power available on the server: CPU, GPU and processor GPU, to enable ASAP processing of video data related to surgeries;- fast-responding high-load service for parallel processing of multiple video clients' requests for m3u8 playlists, involving complex caching and optimization strategy;Also implemented several complex workflows involving other microservices of the company, like:- reservation, scheduling and distribution of time slots for doctors and surgery rooms available at a clinic;- various heavy data-processing flows related to transformation of surgery video and metadata between old and new version of company IT infrastructure- PoC workflow for converting of requested MP3 footages into medical-related DICOM formats and integration of infrastructure logic into Medical Information System HL7 (medical standard) flows - workflow for converting surgery footages into doctors' social network format (another infrastructure product being developed by company);- collaborated with other developers in various workflows related to company business logic, including initial design and implementation of Mongo database, initial implementation of inter-service communication involving RabbitMQ and SignalR mostly. Свернуть