Leonid Oleksiuk

I have been engaged in a project for the development of a site builder system. The system is based on microservice architecture and consists of several web services that are interconnected by Docker (Kubernetes). It is the solution for companies that want to have the support of sites with multi-language functionality, easy editing of sites page structure, theme customization, and access to each site from one point. The team size of this project is 17 people. I worked as a full-stack developer but also took

I have been engaged in a project for the development of a casino management system. The system consists of a web application for casino network administration, as well as a desktop application for gambling machines integrated with the different player tracking systems. It supports approximately 100 requests per second and more than 1000000 concurrent users. Team size of this project is six people. I worked as a full stack developer but also took part in architectural decisions, improving performance, writin

I worked on a project for bpm’online CRM deployment on the clients’ side. It’s a SaaS solution, which combines the capabilities of a customer relationship management system (CRM) and a business process management system (BPM). The system itself is a web application, customizable for each individual client. The size of the team was 11 people. Responsibilities: - Database management - Deployment of a CRM system on clients’ side - Using BPM'online tools for implementing the business logic of different custom

I worked on a project for the development of a passwords management system for iOS and macOS. The system is a combination of a mobile app and a browser extension. The passwords are stored only on your phone and are transmitted to the web browser via Bluetooth in an encrypted form. I worked on the web extension part of the solution. The team consisted of three people. Responsibilities: - Development of Google Chrome extension for web pages analysis - Development of testing tools for Google Chrome and Safar