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Serhiy K.
Last update: 21 Sep 2018
ARCHITECT /team lead
.Net web developer, Android developer with expert knowledge in database developmen and great Project Management and Team Lead experience
I am an engineer with more than 20 years of experience. Strong web-developer with good skills in back-end and front-end development. I can create nice web applications using front-end technologies such as jQuery and back-end technologies such as Asp.Net MVC 5 and 6. I have expert knowledges in database development which include: creation of optimal structure of the database, develop custom procedures and functions using T-SQL and C#, creating reports using MS SSRS, sql-query optimization.
All rates are indicative, annual rate includes 20% discount
20% discount on yearly basis
GMT-5 USA East (ET)
Atlanta/US, Kremenchuk/Ukraine

EXPERIENCE

Industry Experience

E-Commerce & Retail, Banking & Finance, Advertising & Marketing, Insurance & Risk Management, Healthcare & Medicine, Food & Drink

Product Experience

business web app, Web applications for healthcare company, Mobile applications, web application, Web / API

PORTFOLIO HIGHLIGHTS

Mar `18 – Jun `18

3 months

RedCapture.com

Tech Lead, architect, web developer

During the project I leaded team of web developers. Created application architecture and participated in development of: - authentication server using OpenIddict; - data storage server; - system admin dashboard; - client system site; - implementation of Integration with Auth.Net

Tim Baldwin, FourThirtyAm, Phoenix, USA

Provides easy way to collect and update clients’ data using web interface, stores these data into Redtail CRM. Was developed two sites: one for financial advisors and second for their clients. First site provides the possibility to configure which data should be collected from clients. Second site provides clients with a bunch of forms for filling. Currently system is integrated with Redtail CRM: authentication and data scope. Core technologies: .Net Core 2.0, OpenIddict, PostgreSQL.

Technologies Stack:

ASP.NET MVC JavaScript jQuery PostgreSQL .NET Framework ASP.NET Web API

Industry:

E-Commerce & Retail, Banking & Finance, Advertising & Marketing, Insurance & Risk Management

Product:

business web app

May `17 – Nov `17

6 months

Self-service registration solution for patients

Web-developer

Developed web applications that support authentication with Open Id to help prefill and store patients data for different medical providers. - Developed application architecture - Developed authentication server using OpenIddict - Developed data storage server - Integration application to existed solution Technologies: ASP.NET, ASP.NET MVC, Message Bus, Load Balancer, MSSQL

Under NDA

Self-service registration solution (via kiosk, desktop, or mobile) that allows patients to check-in for appointments, remit payments and verifies patients’ insurance eligibility.

Technologies Stack:

ASP.NET ASP.NET MVC MSSQL

Industry:

Healthcare & Medicine

Product:

Web applications for healthcare company

Feb `17 – May `17

3 months

API for Processing Electronic Payments

Web-developer

Developed architecture of payment sub-system. Developed necessary Web-services to support mobile application Integrated payment SDK to solution Used technologies: ASP.NET WebAPI 2, Autofac, Entity Framework , Newtonsoft.Json, Quartz.Net, Swashbuckle.Net, MS SQL Server, BaseCommerce Global Payment Gateway, Total Transact ACH.

The aim of the project was to develop an API and iOS SDK for existing web service that performs processing of instant electronic payments.

Technologies Stack:

Entity Framework quartz MS SQL Server ASP.NET Web API Autofac

Industry:

Banking & Finance

Jun `16 – May `17

11 months

Cross-Platform Solution for Sharing Discount Coupons

Xamarin Android mobile developer

Was responsible for development of mobile application which help users to find nearest discounts in the stores. - Developed architecture of shared data layer for iOS and Android; - Developed Android application; - Developed services to communicate with Amazon S3.

US retail company

The goal of the project was to develop a cross-platform mobile application for sharing discount coupons with the company's customers and find nearby shops. The solution included a web admin portion.

Technologies Stack:

Xamarin

Industry:

E-Commerce & Retail

Product:

Mobile applications, web application

Jun `16 – May `17

11 months

Service for connecting different POS-terminals for processing instant payments

Web-developer

- Was responsible for development of architecture of web-service which managed assigned POS terminals; - Integrated solution with different payment systems: Micros 3700, Squirrel; - Developed libraries for integration with payment systems using C and JAVA. - Technologies were used: C#, MS SQL Local DB, SignalR, Web API 2, Self-hosted web server, Inno installer, C, JAVA

Under NDA

The goal of the project was to develop a service to assure the exchange between different POS terminals and payment terminals that support IConnect interface, such as Micros 3700, Squirrel and Ordix, and Ingenico payment terminal. The service was successfully applied for payments in restaurants.

Technologies Stack:

C C# Java MySQL Inno Setup WebAPI

Industry:

E-Commerce & Retail, Food & Drink

Product:

Web / API

EDUCATION

KUEITU, Kremenchug

Master degree, Information technology,

Web & Mobile Development agency #129

10-50
Atlanta/US, Kremenchuk/Ukraine
GMT-5

Industries

E-Commerce & Retail, Banking & Finance, Entertainment & Games, Sports & Fitness, Law & Government, Statistics & Atalytics, Travel & Tourism, Kids & Childcare, Healthcare & Medicine, Food & Drink

Software development services for your growing business: Web, Backend, IoT, Mobile & API development, Dedicated Team, Quality Assurance and Continuous Support.

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