![KO](https://d2abrqas732254.cloudfront.net/images/specialists/3b8b2c4c0c64b601341ef9594b02e009f2b0f51b.jpg)
English:
Upper Intermediate
Ukraine
UTC +02:00
Ukraine/Kyiv
Proficient Full-Stack Developer .NET | SQL | React.js
A Full-stack Software Engineer with 10+ years of expertise in developing web and desktop applications using the Microsoft .NET framework. ● Skilled in initiating projects from scratch, architecting solutions, refactoring, and optimizing existing code. ● Proficient in popular JavaScript frameworks, including AngularJS, Angular 2+, React, and React JS, Nest JS. ● Experienced in designing and optimizing database structures. ● Adept at collaborating in Agile (SCRUM) teams and adhering to best IT industry practices, such as Unit Testing and Code Review. ● Possesses a strong background in analyzing, reorganizing, and refactoring legacy applications with minimal disruption to end-users. ● Upper-Intermediate English level
Want to hire this engineer?
Check if Kostiantyn is availableExpertise
Years of commercial development experience
10 years of experience
Core technologies
Other technologies
Project Highlights
Cesar Slots Casino
Sep `22 - Apr `23
7 months
Playtika
Development of a Casino gaming functionality
Responsibilities & achievements
- Created new game functionalities - Resolved software issues - Integrated new assets
Banking system for white-label solutions.
Sep `21 - May `22
8 months
Dzing Finance
Development of a tailored banking system for w1ite-label solutions. Team Composition: 12 members - 7 Developers, 4 Testers, 1 Project Manager
Responsibilities & achievements
- Developed new custom white Label functionality - Enhanced the Web Admin Panel - Addressed and resolved software issues
Rejnitiv
Dec `20 - May `21
5 months
Rejnitiv - a platform for performing the financial analysis. Team Size: 8 Developers, 2 Validators, 1 Project manager
Responsibilities & achievements
- Created new functionality for the financial analysis - Fixed bugs
RewardMob
Jun `20 - Nov `20
5 months
RewardMob
RewardMob - a game platform for renting games for game developers Team size: 6 Developers, 1 Project Manager
Responsibilities & achievements
- Improved functionality for multi-user games. - Created t1e microservices using .Net for support third-party financial services. - Fixing bugs in existing services and refactoring code.
Paragonex
Dec `19 - Jul `20
7 months
Paragonex
Paragonex - one of the biggest fintech companies in Israel. Team Size: 26 Developers, 12 back-office, 14 Web, 2 Project Managers
Responsibilities & achievements
- Created React/TypeScript components using Visual StudioCode to support new functionality. - Refactored existing components using Visual Studio Code. - Created new Web API controllers using Visual Studio 2019 to support new functionality.
Education
Higher education in Computer Science
Agency
10-50
GMT+2
Zaporizhzhya/Ukraine, Kiev Ukraine
Core Expertise
Industries
Architecture & Design, Education & Science, Business & Productivity, Logistics & Transportation, E-Commerce & Retail, Banking & Finance, Information services & Technologies, Entertainment & Games, Mapping & Navigation, Sports & Fitness, Advertising & Marketing, Shopping & Loyalty programs, Photo & Video, Fashion & Style, Travel & Tourism, Kids & Childcare, Healthcare & Medicine, Food & Drink, Arts & Culture, Service & Support, Audio & Music, Blockchain & Cryptocurrency, Automotive
Want to hire this engineer?
Check if Kostiantyn is available