Developing cool new products from scratch.Developed Invisalign Outcome Simulator Pro that was successfully presented to the audience at AAO2022 (https://www.linkedin.com/posts/align-technology_aao2022-aligntech-invisalign-activity-6937498997108465664-Yd1M) and had awesome feedback. The project was done in time having good performance and a great impact on doctors' everyday work.Responsibilities: system design, architecture design, core backend modules development, software development process management.Gained experience with AWS Cloud technologies and SignalFx, got interested in ReactJs and Typescript.Remote working is being heavily practiced.

Responsibilities: Design and implementation of highly loaded distributed testing system.Developed monitoring and alerting system to ensure high quality of service.Developed multimachine storage and communication protocol for simultaneous access to shared dataDeveloped resource allocation and load balancing system to control and share a lot of virtual machines.HyperV and ESXI virtualization for testing machines.Used Technologies: .Net Core, RabbitMq, Kibana, Elastic, Graphite, Grafana, InfluxDb (TICK stack), PythonUsed Process: Scrum

Refinement of existing and development of new functionality for a corporate platform built on microservice architecture.Developed computational heavy algorithms that required a large amount of input data, optimized performance and increased speed of obtaining calculation results.Gained experience with GIT version control system, Octopus centralized deployment system, Graylog and Syslog logging systems.Gained experience in conducting internal trainings for dev team.

Refinement of the existing and development of new functionality for the ECM system named "LanDocs 3".At this stage, according to the requirements, a scripting subsystem was implemented for the built-in component for automating business processes of office work (the scripting subsystem supports the C # / VB.NET languages, performs verification and compilation of the entered code in dll, consists of a code editor, compilation system and import/export functionality in several file formats).Gained experience with DevExpress components for building user interface.Also was responsible for release process of product installation packages, also was responsible for time-to-market and quality of installation packages to be delivered to end customers.Gained experience of working with systems such as InstallShield, NAnt, WixSharp.As leader of a group of three developers gained experience of managment of complex tasks among developers within the group, quality control and timing of tasks.

Refinement of the existing and development of new functionality for ITSM-based software named InfraManager.At this stage, a WPF subsystem for printing and previewing of schemes of customer IT infrastructure was developed with usage of Microsoft Office 2010 style guide and MVVM programming pattern.Also concept of own Workflow engine was developed and implemented, the functionality of which is provided to client applications using WCF technology with support for transactions and callbacks.Subsystem for working with an e-mail server using the POP3 and IMAP protocols was developed, the architecture of a monitoring module, the functionality of which is available to the user in the form of widgets. Also integrated functionality of barcode scanner and much more.Gained rich experience in writing multithreaded applications. Also gained experience in configuring and working with Microsoft Team Foundation Server 2010, as well as developing databases that support versioning. Also gained experience of working with databases directly using ADO.NET (T-SQL, locks, transactions, etc.).

Project management, software development and maintenance.The following technologies were mastered and applied during this stage: WCF, WPF, Silverlight, ADO.NET Services, PLINQ, PowerThreading, SVN, Task Parallel Library, as well as ORM Entity Framework.

Support and development of software including software for industrial microcontrollers.The following technologies were mastered and applied:programming language C # 3.5, MS SQL Server, T-SQL, LINQ (ToObjects, XML, ToSQL), System.IO.Ports.