Denis – React, Node.js, Typescript

Application to manage finance of retirement plan.

• Developed UI components with a focus on best UX practices;
• Created front-end and back-end architectural solutions;
• Implemented business logic based on platform architecture;
• Debugged and resolved application issues.

CRM system with integrated Call Center for one of the biggest European car sellers.

• Developed the FE architecture and UI components using React.js/Redux/TypeScript;
• Implemented business logic based on platform architecture;
• Implemented serverless back-end functions with Node.js (Twilio Functions);
• Integrated with third-party services (Twilio Flex);
• Wrote technical specifications of FE features.

The project is aimed to build financial data projections based on actual expenses and revenues and respective assumptions. Projections are built-in forms of different charts that could be recalculated and rerendered in real-time. In such a way, these charts and calculations should help founders and investors to make better management decisions.

• Implemented business logic based on the client's requirements;
• Cooperated with BE engineers and designers: making amendments and improvements to the back-end and UI/UX, respectively;
• Did code review and sprint planning activities, creating a technical task based on business requirements.

Software for building websites by non-programers. The main features of the project are customer-oriented UI and UX, the ability to amend, and even create own website using a phone or tablet.

• Created UI components using React.js and Custom Elements (Web Components spec);
• Implemented business logic based on platform architecture;
• Took part in discussions regarding the development plan for new features and UI/UX improvements;
• Did code reviews and improved the development process.

Cashdesk system for internal usage by the largest Ukrainian delivery company. The aim of system is to register and execute money transfers through company's branches and to make settlements for the delivery services. It is used by the company's employees of all the branch network and HQ.

• Developed UI using Vue.js, actively contributing to UX improvements;
• Implemented server-side business logic using Node.js;
• Integrated with third-party services.

External plugin which is used for adding tooltips or tooltips chains for any customer web-site. The main advantage of the project is that admin part allows to create/amend/delete tooltips by simple click on desired object of the web-site. It is done by rendering admin-UI panel and direct interaction with customer site elements without interfering user's content.

• Designed and built the app's architecture from scratch;
• Implemented the app's business logic;
• Developed the design and UI for the admin panel and tooltips' design presets;
• Created the landing page for the project.