A system for issuing credit products for companies - client side.Functionalities:- selecting credit products by parameters- viewing order status in a personal account- changing order attributes at banks’ request after creationContribution:- bug fixes- redesign (twice)- adding new functionality for productsTechnologies: React, TypeScript, SASS, styled-system, emotionA system for issuing credit products for companies - an admin panel for products.Functionalities:- creating and configuring new credit products- creating and configuring forms for credit products (similar to a visual composer, but simpler)- importing via files (e.g., rates, clients, products, forms)Contribution:- bug fixes- separation from the monolith- development of the form constructor- unit tests- refactoring- creating new sections (tables, forms)Technologies: React, TypeScript, emotion, MUI

A system for protecting web and mobile applications from malicious code, fraud, screening, and various manifestations of social engineering. Worked with client part of system's admin panel.Functionalities:- displaying details of clients' sessions- constructing graphs for data samples- showing session dependencies between devices- setting role policies for panel usersContribution:- bugs fixing- updating the component library- build optimization- rewriting API services from REST to gRPC-web- redesigning old sections- developing new sectionsTechnologies: React, TypeScript, MobX, BEM, Pure CSS, gRPC-web

Landing page for investorsFunctionalities: - displaying information about the company and their contacts- displaying reports on the company’s economic efficiency - showing a news blog integrated with CMS (Strapi)Contribution: - development of the main part of the landing page- bug fixes- CMS integration and configuration- implementation of adaptive design (mobile, tablet, web)Technolosies: React, TypeScript, Styled-components, StrapiA site for loan applicationsFunctionalities: - displaying information about the company and their contacts- form for loan applications - displaying FAQs
- showing a blog integrated with CMS (Strapi)Contribution: - architecture design of the application- CMS integration with configuration- development of the main part of site- bug fixes- implementation of adaptive design (mobile, tablet, web)- simple animations using canvas- creating an application form with state memorization- configuring metrics and analytics (Facebook Pixel, GA, GTM, Yandex.Metrika)Technolosies: NextJS, TypeScript, MobX, Styled-components, Strapi, MUI, React Final Form

A platform for Managing Advertising Campaigns (for Mobile Operators)Functionalities:- creating target groups for advertising campaigns based on criteria (e.g., age, gender, marital status, etc.) in a flowchart format- creating advertising campaigns (push/pull/USSD/email notifications) with triggers for various events, displayed as flowcharts- providing reports on conducted advertising campaigns- approval system for advertising campaigns according to role models, also visualized as flowchartsContribution:- bug fixes- development of new sections (tables)- enhancements to flowchart elements for campaigns and approval schemes- development of an external interface for reports- project refactoring to unify sections with a common wrapper component for page generationTechnologies: React, TypeScript, Redux, RxJS, Redux-Observable, Styled-Components, Semantic UI, G6, React Final Form

A employee time tracking system (web application, internal product)Functionalities and Requirements:- developed for Internet Explorer (due to the need to read user login from AD via ActiveXObject)- employees selected tasks from a list and logged time spent or used pause/play/stop controls- "Favorite" tasks system for each userContribution:- designed database structure (supporting a hierarchical task catalog)- designed API- developed MVP application design- created a mini style library- developed both server and client sides of the MVPTechnologies: C# (ASP.NET Core), MSSQL, React JSA business center parking space usage statistics (web application, internal project)Functionalities:- displaying parking spaces unused by day based on barrier logs- showing a list of people and their departments linked to parking spaces- Internet Explorer supportProject was fully developed from scratch:- designed database architecture- designed API architecture- developed web page design- created a mini style component library- daily log data was analyzed and transformed into required models, results stored in a new view database- displayed data as tables and chartsTechnologies: C# (ASP.NET Core), MSSQL, React JS