Illya Reznykov Email & Phone Number

Kyiv, Ua

Ukraine

• Work with potential opportunities to provide expertise for successful engagements.• Support Pre-Sales calls personally and by inviting Practice Leaders or technical experts.• Manage Cloud Practice in the company, support Alliance Leader from domain expertise.• Work with the marketing department to create mindshare for opportunity creation.• Support interviewing process as needed for expertise.• Provide training and certification support for inner resources.

Kyiv City, Ukraine

• Manage Cloud Practice in the company.• Review customers’ cloud infrastructures, make assessments, provide recommendations.• Take part in Pre-Sales calls by providing technical expertise.• Create and conduct course about AWS cloud services for Project Managers and Sale Managers.• Interview candidates for Developer and DevOps Engineer positions.• Review, write and help others to write blog posts on cloud technologies.• Write promoting materials, collect use cases and success stories.

Kyiv, Kyiv City, Ukraine

• Support and develop Azure cloud infrastructure. Used services are App Services, Function Apps, Logic Apps, API Management Services, Key Vault, Networking, VMSS, Front Door, Azure SQL Database, CosmosDB, Storage Accounts, App Configuration, Log Analytics, Dashboards.• Refactor and develop Terraform projects.• Cover Database Reliability Engineer duties.• Support integration with 3rd party tools such as Slack, OneTrust, Intruder, Site24x7.• Refactor and standardize existent, implement new CI/CD pipelines in AZDO, where repositories are hosted in BitBucket.• Automate manual deployment processes/steps by PowerShell Core.• Significantly improve documentation in Confluence.• Build the team, interview candidates, take part in team management decisions.

Kyiv City, Ukraine

LiveChat Messenger• Analyze and refactor existent AWS infrastructure.• Design, create and automate cloud Jenkins infrastructure with containerized Windows and Linux agents. Used services and tools are CF, ECR, ECS (Services, Fargate and EC2 tasks), S3, IAM, Secret Manager, EC2, VPC, EFS, Route 53, CloudWatch, Docker, PowerShell Core, Jenkins. • Create nginx cluster to pass webhook requests from GitHub to Jenkins. Used services are CF, ECS with Fargate based tasks, ALB, VPC, Docker, nginx, Jenkins, GitHub.• Migrate existent pipelines to the new Jenkins server.• Take part in design of LiveChat Messenger cloud infrastructure, write PS scripts that cover separate deployment steps, deploy multiply environments. Used services are CF, Serverless, API Gateway, Route 53, RDS with RDS Proxy, Secret Manager, Elastic Beanstalk Applications, ALB, AutoScaling Groups, EC2, Security Groups, CloudWatch, WAFv2.• Create new pipelines in Jenkins following best CI/CD practices, utilize previously written scripts. Used technologies are Jenkins with various plugins, Declarative pipelines, MSBuild, Git, PowerShell Core, Slack.

Kyiv, Ukraine

Document management system• Analyze and refactor existent .Net applications.• Support, optimize and add new features to the desktop document converting application, using .Net Framework 4.5, WinForms, SqLite, OpenXml, Ghostscript, log4net.• Design and develop WebAPI applications using .Net Core 3.1, EF Core, OData, ADFS, AWS.• Design and implement new features and integrate them with existent code in web document services, migrate from .Net Framework to .Net Core. Used technologies are .Net Core 3.1, .Net Standard 2.0, WebAPI, AWS, NUnit, WIX tool, log4net.• Support, optimize and add new features to the desktop tiny client application and MS Outlook Add-in, using .Net Framework 4.5, WinForms, OAuth, Azure AD Auth.• Update and fix jobs and build agents in Jenkins.

Kyiv, Ukraine

Cloud based projects• Review, optimize and automate cloud infrastructure deployed in AWS, add disaster recovery environment. Used services are CloudFormer, CloudFormation, S3, EC2, VPC, Route53, VS Code. • Review and automate deployments in Azure cloud infrastructure using ARM templates, App Services, Azure SQL, AAD.• Develop cloud infrastructure in AWS to manage the SaaS application using VPC, EC2, S3, Elastic Beanstalk, ELB, Route 53, Lambda, Amazon RDS, IAM, Tagging.• Create architecture for the proprietary software to analyze and optimize customer cloud infrastructure, create epics and features. Used technologies are AWS, Azure DevOps, Git (Gitflow).• Create and implement workflow to parse AWS billing reports, develop several databases to keep and process data. Used technologies are .Net Core 2.2, C# 7.0, EF Core, Unity, MySQL, MS SQL Server, AWS API, AWS Billing, AWS Toolkit for Visual Studio.• Develop web applications using ASP.Net Core MVC 2.2, .Net Core 2.2, C# 7.0, EF Core, chart.js, Bootstrapper 4, Identity, Razor pages, AWS SDK, .ebextensions.• Manage development processes via Azure DevOps, including CI/CD pipelines and deployments to Azure and AWS.

Open source projects at GitHub• Application for modelling cellular automata including Conway’s Life Game using .Net 4.6.1, WPF, MVVM, Prism 6.2, TPL, multithreading, xUnit, private NuGet package storage, OxyPlot;• Design, develop and publish several open source NuGet packages that contains logging classes, extension methods that manipulate default values of properties, the service class that provides shallow copy of public properties of object, and implement user settings workflow in Prism application. Code uses .Net Framework 4.5, C# 6.0, WPF, Prism 6.2, Unity, xUnit, NuGet 3.4.4;• Create tutorial “Create Azure API App with AAD authentication and web jobs”, publish series of posts, post code to Tutorials repository;• Implement basic schemas with Arduino UNO (Funduino);• Publish posts at own blog hosted by Wordpress.com, codeproject.com site, and post source code to GitHub Blog repository.

Kiyv, Ukraine

Graphical applications for genetic researches• Design and develop new features and support existent front-end applications that are used by medical researchers and geneticists. Used technologies are .Net Framework 4.5, C# 6.0, WPF, MVVM, Prism, TPL, Unity, Moq, xUnit.• Taking part in the design and architecture, and develop new application for statistical analysis of genetic data using three-tier architecture, MongoDB, Node.js, RestAPI, .Net Framework 4.5, C# 6.0, WPF, MVVM, TPL, Unity, Moq, xUnit.• Develop new module for workflow control utility to parse data and present it in various looks. Extend features and improve performance of the existent application modules. Used technologies are .Net Framework 4.5, C# 6.0, WPF, Prism, NuGet, DevExpress 1.6, TPL, Unity.• Design and develop modelling application using C++, Cygwin, CMake, PostgreSQL.• Implement NuGet Server for developer team in AWS using Elastic Beanstalk, .ebextensions, S3, Route53, logging by CloudWatch and CloudTrail.

Kiev, Ukraine

POB G6, ITIL system• Extend, develop and implement middle-tier services using C# and nHibernate.• Architect, design and develop integration with Exchange Server 2010/2013/Online via EWS 2.0, create synchronization services for Task, Mail and Calendar items using C#, EWS 2.0.• Develop Outlook AddIn for MS Office 2007/2010, that allows users to interoperate with the main application.• Design and develop tracing at middle tier and in the front end WPF application.• Create unit and integration tests for the synchronization services using C# and nUnit.• Add and set up projects in TeamCity.• Deploy testing environment in Oracle Virtual Box that includes Windows Server 2008 R2, Windows 7, Exchange Server 2010, MS Office 2010.

Kiev

ERP system for telecommunication services company• Design the architecture of the telecommunication services system.• Analyze business logic and business requirements.• Develop kernel server parts.• Design and implement source code storage strategy based on VSO and TFS• Design, implement and support the process of releases delivery, Dev/QA/UAT environments in Microsoft Azure and on-premises environments.• Investigate existent legacy systems, develop migration kernel, migrate data to the new system.• Investigate external systems for the integration with the system, develop integration architecture, design hardware implementation, promote data to the external systems.• Make task estimates, separate tasks to subtasks.• Design source code, review and refactor the code.• Train and help junior and middle .Net developers, assist other teammates.

Kiev, Ukraine

ERP-systems for enterprises in building industry• Design and implement 3-tier ERP-systems for enterprises in building industry.• Develop data-tier in MS SQL Server: design and create databases using MS SQL Management Studio, develop and test stored procedures, functions and triggers using SQLCLR and T-SQL, consume data from other SQL Server instances and .dbf files.• Develop, code and test procedures of business logic using C#.• Architect, design, and code WinForm client application using C#, ADO.Net.• Architect, design, and code Web client using ASP.Net.• Collect and analyze the enterprise data, and make predictions using company’s software.• System administration of the network of 50+ computers using Microsoft server products.• Led team of developers.

• Develop the 3-tier programming system for modeling of sets and particular Mealy automata and semigroups that they are defined using VC++, MFC, ATL, STL, COM;• Collect data of more than 1 million considered mathematical objects to databases that are located in MS SQL Server 2000/2005;• Write more than 20 scientific papers that are devoted to investigations of Mealy automata and growth of semigroups.

Kiev, Ukraine

• Teach the courses “Discrete Mathematics”, “Introduction to Automata Theory”;• Develop the programming software for modeling of growth of Mealy automata and semigroups that they are defined.

Kiev, Ukraine

• Design and code components of the client-side Win application using MFC, ActiveX;• Develop Web-client for ERP system using DHTML, ASP.Net and Visual C++;• Design tables and queries, and develop database tables, views, functions, procedures using MS SQL Server (7.0, 2000);• Implement middle-tier COM objects for access to databases, using DCOM, MDTS 4.0, and Visual C++;• Code add-on for Word and Excel using VBA;• Code and test various applications using VC++ for Windows 3.11/XP;• Develop database programs using DBMS Clipper, Multi Edit for MS-DOS.

Ph.D., Mathematics

• Ph.D. in Mathematics; • Thesis is called “The growth functions and the semigroups that are defined by 2-state Mealy automata.

Ms, Computer Science

• Master of Computer Science in Intellectual Decision Making Systems; • Major in Computer Science and Artificial Intelligence; • Taken.

Bachelor Of Science (Bs), Master Of Science (Ms), Mathematics

• Master of Science in Mathematics in 1999; • Bachelor of Science in Mathematics in 1998; • Taken courses include: Mathematical Logic.