Constantine — Java and Node.js Developer
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Constantine successfully linked Kazoo IP telephony with platforms such as Zoho Products, Salesforce CRM, Hubspot CRM, Zendesk, Slack, and Zapier. He was responsible for creating systems for balancing, logging, retrieving call records, and guaranteeing data security. He also designed the user interface, controlled CRM integration settings, and contributed to the CI/CD processes using Jenkins and SaltStack. Test and production server was implemented via Prometheus and Grafana.
Read moreConstantine used React and Redux to create a dynamic and responsive online application for translation agencies. He created an administrator account and custom wrappers to streamline Redux code and contributed to the app's modular component architecture.
Read moreThis project involved a corporate web application for managing localization projects. Constantine took part in developing the interface based on a spreadsheet, which included powerful user interaction capabilities. He implemented several new functions and improved and refactored the existing code.
Read moreConstantine was involved in developing and testing an IoT system that facilitates the exchange of data between the system and external applications. He took part in developing and testing message protocol converters between server-side and target devices.
Read moreThis application is a game based on the rules of the well-known game Dungeons and Dragons. Constantine performed the following work on the game engine: Development of the new functionality; Expansion of the model; Bug fixing. The UI was developed with Swing and JavaFX technologies since players need a user-friendly and easy-to-use interface for interacting with the game.
Read moreConstantine developed this automated system for decentralized data storage and smart contract execution. He researched and considered different methods of smart contract implementation before implementing the most suitable one for the resources available.
Read moreThe platform he was asked to work on collects statistics of visits to various kinds of events and their responsiveness to various methods of notification (SMS, phone, VK) before ranking users by interests. During the project, Constantine took part in designing the architecture, the backend development, the creation and implementation of layers, and writing the Unit tests.
Read moreA web app for a learning platform. For this project, Constantine implemented the following features: Course designer (e.g. an opportunity to create a course) Choosing and passing the courses Module for convenient planning of studying. He used Angular for the frontend side and Spring for backend. The connection was implemented using Rest API.
Read moreThis was an Android mail client mobile application. Constantine solved the existing problems relating to users working with emails. He also designed interfaces that adhered precisely to the material design.
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