Dmitrii Volkov Email & Phone Number

Vilnius, Lt

Tallinn, Harjumaa, Estonia

- Took ownership of a key microservice that powers the cost estimate and payroll instruction functionality, offering a global solution for accurately calculating hypothetical and actual income tax.- Updated tax calculation functionality for 200+ tax jurisdictions including 114 countries.

Tallinn, Harjumaa, Estonia

- Designed and developed a CRUD microservice for a greenfield in-house CRM system. Using Infrastructure as Code approach I set up CI/CD pipeline for automated environment provision and service deployment.- Migrated an in-house game engine from .NET 4.6 framework to .NET6 Core framework that made the engine cross-platform. Readjusted CI/CD pipeline according to the best practices and made unit tests deterministic.- Designed and developed a game service in event-driven architecture approach using Kafka.- Hosted algorithms & data structures sessions.

Saint Petersburg, Russian Federation

- Rebuilt core permission/role subsystem and increased overall performance of the microservice by more than 100 times.- Performed feature acceptance criteria analysis, conducted user stories creation and sprint planning that resulted in well-timed feature delivery.

St Petersburg City, Russia

- Made significant contribution to the platform for large scale high-stakes paper examinations, language testing & computer-based assessment for a global provider of assessment services and delivery of tests.- Designed and developed an item renderer engine responsible for converting question items from the internal format to the web representation.- Covered the code base with unit tests, integration tests, E2E tests.

Chelyabinsk, Russia

- As a full stack developer I developed and supported a legacy web service to digitize a collection of tubes/pipes standard documents for a local pipe plant. - Supported and enhanced a legacy web service for the register of goods of the Eurasian Customs Union using SQL and NoSQL solutions.- Participated in the frontend development.

Chelyabinsk, Russia

- Following DDD architecture I developed the series part of the application that provides functionality of a video player and a BitTorrent client for a local internet provider.- I analyzed customer's needs and provided functional and non-functional requirements that allowed me to design and build the backend for a document box management system.- Developed backend for document/report creation and registration system based on the in-house company's framework and ASP.NET MVC framework. Put SOLID and GRASP principles into practice along with the TDD approach.

Chelyabinsk, Russia

- Developed software for a video surveillance system on .NET Framework and C++ using OpenCV library for computer vision.- Designed and implemented a real-time motion detection algorithm based on the probability model from scratch.- Designed and implemented a real-time motion tracker algorithm using a cascade of 3 independent motion tracking algorithms.