English:
Advanced
Rostyslav B.
Vetted by YouTeam
Ukraine
UTC +02:00
Ukraine/Kyiv
English:
Advanced
Technical/Team lead, Java Full Stack Developer
Have over 6 years of experience in software development. Strong background in computer science. Participated in numerous back-end projects as a developer / lead developer and DevOps. Mentor to other developers.
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Check if Rostyslav is availableExpertise
Years of commercial development experience
6 years of experience
Core technologies
Other technologies
Project Highlights
Trading Ecosystem
The product includes CRM, Chat, BI, Trading Engine, Education, Machine learning, Automated flows, and other blocks that will be easy to use for both clients and managers. Built with a big amount of microservices.
Responsibilities & achievements
My responsibility was to support few backend modules and work with payment integrations such as BigWallet & Praxis
Server side for Esports Gaming Application
A platform that unable Users to sign up for an online FIFA tournament, which consists of different stages: Pre-tournament - when registration for the tournament is open and users can subscribe to it. 30 mins before the start of the tournament subscribed users should confirm their intention to participate. 5 mins Before starting time, the system creates a bracket, where all players are placed. Live-tournament - actual gaming state, users are playing against each other in FIFA, after the match they need to fill in the score of the game. If scores do not match, the decision on who is winner is taken by the moderator from the CRM system based on photos made by users. After Tournament - statistics for players is calculated, points, coins and achievements are given to participants
Responsibilities & achievements
During this project I was developing a system for FIFA online tournaments. Main task was to create a live tournament flow for players.
E-commerce platform for flower selling.
This project consists of 5 sub-projects such as Website for people who want to buy flowers, a CRM/CMS system for statistic tracking, iOS/Android apps, and a back-end server that connects all these products. T
Responsibilities & achievements
he payment system was implemented via Adyen service which consists of GooglePay, ApplePay, Visa/Mastercard, and IDEAL payment methods. Also, we implemented a product customization system, where each product can have different customizations (for example size of the bouquet) and each customization can affect the final price. For the loyalty system, we created a unique algorithm, so after each purchase, the users receive a percent (part) of the special loyalty card which can later be used as a discount during the next purchases.
House Swapping system
System which allows users to rent or swap their houses with other users. So clients of the service are able to upload their house information on the platform and choose desired dates when they are willing to swap houses. Other users who are interested in swapping can propose their own house, if users are matching each other on dates and houses they can proceed to swapping procedure.
Responsibilities & achievements
During this project we developed our own chat implementation based on WebSockets.
POS terminal system
Specializes in the retail industry, generally develops software for POS terminals.
Responsibilities & achievements
Education
Higher education in Computer Science
Agency
50-100
GMT+3
Lviv/Ukraine
Core Expertise
Industries
Education & Science, Logistics & Transportation, E-Commerce & Retail, Banking & Finance, Information services & Technologies, Construction & Real estate, News & Media, Booking & Rent, Insurance & Risk Management, Blockchain & Cryptocurrency, Branding, design, web development, SaaS
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Check if Rostyslav is available