Sergey

Serhii Bilan
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I am Senior Software Engineer | Backend | Frontend | C# | 10+ years of experience
I like web development and I take part in developing web applications.
I want to work, grow, study new technologies and take part in the development of interesting projects.​
I have experience in the full development cycle : Technical Analysis, Code Review, Development, Bug Fixing, Mentoring​
On the backend side I have experience with .Net framework, .Net Core, Apache Kafka, MSSQL, PostgreSQL.​
On the frontend side I have experience with Angular, React, Vue, ASP.NET MVC and KendoUI to all these frameworks.
Experience

Freelancer, Dnipro– Software developer
2022- 2026
I took part in the development on one-time projects

Responsibilities:
• Back-End development
• Front-End development
• Writing and implementing new functionality

Use stack:
.NET CORE, WEB API, Entity Framework, .NUnit, JWT, Nuget, Swagger, Angular, Ionic, React with NextJS, KendoUI,
Bootstrap, Materialize

Tools:​
VisualStudio, MSSQL, ReSharper, StyleCop, Jira, Confluence, Bitbucket

Корпорация «АТБ», Dnipro– Lead Software developer
May 2020 - May 2022

I took part in the development
​
• Store+ is web applications for cash, product accounting, reporting, integration and other thing
• LocalShop is windows service for integrate and send data to cloud from local databases and cash boxes

Responsibilities:​
• Technical analysis​
• Code review,
• Back-End development​
• Front-End development​
• Writing and implementing new functionality​
• Bug fixing​
• Analysis SQL and optimize queries​
• Mentoring team members​
​
Use stack:​
.NET CORE, MVC Razor Pages, WEB API, Entity Framework, .NUnit, Mediator, SignalR, JWT, Nuget, Swagger, CronJob,
KendoUI, TelerikReporting, JQuery, TypeScript, Bootstrap

Principles:

SOLID, YAGNI, DRY, KISS
Architecture:

Event Driven, Domain Driven, Micro Services, Micro Frontends, CQRS, CQS​
​
Tools:​
VisualStudio, PostgreSQL, Redis, ADFS, Kafka, Kibana, Grafana, Kubernetes, Docker, ReSharper, StyleCop, SonarQube,
Jenkins, YouTrack, Confluence, Bitbucket

Pacific Northwest Software, Dnipro– Software developer
Mar 2018 - Apr 2020

I took part in the development

HROffice is a fully integrated recruitment solution for vacancy and candidate management, corporate career sites, mobile
applications, talent pools, screening and e-assessments

Responsibilities:
• Technical analysis
• Code review
• Back-End development
• Front-End development
• Writing and implementing new functionality
• Bug fixing
• Analysis SQL and optimize queries

Use stack
.Net Framework 4.6.1, MVC Razor Pages, WEB API, OData, LINQ to SQL, Autofac, OAuth, ASP.NET Identity, NUnit, Elmah,
Nuget, Angular, KendoUI, TypeScript, JQuery, VueJs, Bootstrap

Support legacy:
ASP.NET WEB FORMS, Web Services

Principles:

SOLID, YAGNI, DRY, KISS

Architecture:

Domain Driven, Monolithic, CQRS​

Tools:
VisualStudio, Microsoft SQL Server, IIS, ReSharper, StyleCop, TeamCity, Jira, Confluence, Bitbucket
One Inc - Insurance Software, Dnipro–Lead Software developer
Aug 2015 - Mar 2018

I took part in the development

• PortalOne is a web-based payment portals
• ContactOne is an IVR customer retention solution that enables carriers and MGAs to automate contact with their
insureds
• ProcessOne is a cloud-based payment processing and reconciliation solution

Responsibilities:
• Technical analysis
• Code review
• Back-End development
• Front-End development
• Writing and implementing new functionality
• Bug fixing
• Analysis SQL and optimize queries
• Mentoring team members

Use stack:
.Net Framework 4.5.1, MVC Razor Pages, WEB API, WCF, MEF, Entity Framework, LLBLGen Pro, OWIN, Report Builder,
NUnit, NLog, Quartz.NET, Nuget, AngularJS, Angular, KendoUI, JQuery, Bootstrap

Principles:

SOLID, YAGNI, DRY, KISS

Architecture:

Event Driven, Domain Driven, Micro Services, Micro Frontends, CQS

Tools:
VisualStudio, Microsoft SQL Server, IIS, Liquibase, ReSharper, StyleCop, TeamCity, GitHub, Phabricator, Jira,
Confluence, Crucible

FC Systema LLC - Payment Systems, Dnipro– Software developer
Jun 2013 - Aug 2015

I took part in the development
• Help Desk is a web and desktop application for the support team of a company

Responsibilities:
• Back-End development
• Front-End development
• Writing and implementing new functionality
• Bug fixing
• Analysis SQL and optimize queries

Use stack:
.Net Framework 4.0, MVC Razor Pages, WEB API, ServiceStack, ASP.NET Identity, Windows Forms, NUnit, ADO.NET,
Unity.Container, JQuery, Bootstrap

Principles:

SOLID, YAGNI, DRY, KISS

Architecture:

Monolithic, CQS

Tools:
VisualStudio, MySQL, Apache, ReSharper, Jira, Confluence, Bitbucket

Varus-Logistic LLC, Dnipro– Software developer
Aug 2011 - Jun 2013

Development software for planning and shipment goods.

Use stack:
.Net Framework 3.5, WPF, Windows Forms, ASP.Net Web Forms, LINQ to SQL, ADO.NET, SQL, Report Builder

Architecture:

Monolithic

Tools:
VisualStudio, Microsoft SQL Server, IIS, LotusNotes
Education
National Aerospace University -'Kharkiv Aviation Institute' Specialist 2007 - 2013

Skills
.NET Core • Entity Framework (EF) Core • Microsoft SQL Server • Apache Kafka • NUnit • SignalR •
Angular • Kendo Ui • jQuery • Bootstrap