Dennis — Python and React.js Developer
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This application allows clients to manage projects and build a development strategy for both their company and their personal projects using various advanced tools such as Gantt charts, Kanban boards, decision-making matrix, risk assessment, voting, and online editing of project files. Dennis undertook the development of several new features for this web platform using React.js. His role involved undertaking a number of integrations with various hirings for working with files, project management hirings, hirings for working with geo-mapping and payment hirings, etc.
Read moreThis project is a site that facilitates the marketing of various hirings and products. The platform has existed for a long time and has earned a good reputation among advertisers and their potential customers. The team of full-stack developers (including Dennis) was tasked with creating, from scratch, an updated version of the site that meets modern design requirements, as well as incorporating advanced technologies for both the client and server functions. The client had a site with a fairly large audience and an established database of ads. Therefore, in some cases, the new build had to adhere to the existing approach/system.
Read moreThis project was an application designed to manage marketing campaigns for businesses of various sizes. Perxtech offers hirings that allow users to build customer loyalty programs, the ability for consumers to receive real bonuses, and also marketing analytics tools. Denis worked on the client-side (React.js) as part of a large international team. He participated in boosting performance to achieve the maximum application speed for users, both in the desktop and mobile versions, by optimizing the client-side system. When working with the client-side, he encountered an outdated system built to undertake data processing, which was poorly optimized. To increase the speed and optimize the load on the application, RxJS and streaming data processing were introduced.
Read moreProject "Communication" is a hiring for monitoring a person's vital signs, providing round-the-clock notifications to a doctor about possible problems associated with the current state of the patient. It is an ERP system created for remote health monitoring. It provides personal account interfaces for doctors, patients, and an administrator, as well as additional electronic information for all participants. Dennis took part in the creation of the MVP version of an ERP system for remote monitoring of human vital signs. He also developed a mail hiring to check and protect against the registration of bots and invalid users, and to provide additional electronic notifications to all system participants when required.
Read moreA site for a company that is an intermediary when people order goods from Amazon, eBay, etc. The site allows company employees to see orders, change their status, select distributors, etc. Valo ERP is designed to help manage data from marketplaces and distributors and to fulfill marketplace orders. It allows for the correction of marketplace or distributor product data, the management of orders, and users to request a product be shipped. Denis worked on both the frontend and backend based on an existing system written in C#.
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