Andrii Tkach - Portfolio

DEMOS

Todo demo app with containers and Azure and Open AI

C# Web API, AI, Containers, EN Feb 09, 2024

Demo app with authentication and IAM service using NodeJS Web API service. BFF for web app communication with external services using Nginx. Message processing with AI using processing service and message queue communication to generate voice from the task text.

Code Demo

Overengineering in action or how to get 40% requests more

Web API, Message Queue, Azure, EN Dec 12, 2023

A practical example of why make it complicated when it's better to make it simpler.

Demo

Frontend starter with Web APIs and backend for frontend (BFF)

Architecture, Web, BFF, EN Jan 11, 2024

Simplifying Communication in Web Development! Our dual frontend setup seamlessly interfaces with a single, powerful Backend for Frontend (BFF). This central hub not only hosts React.js static assets but also brilliantly transforms all HTTP Request/Response messages. It's the one-stop solution for efficient and unified API-client interactions!.

Code Demo

Data catalog

CRUD Search Web API, EN Feb 04, 2024

Data Catalog with employee records - Create, Update, and Delete data - Read individual record details - Search over all catalog - Frontend to work with data catalog

Demo

Shared components library for wen and mobile

ReactJS, React Native, Web API, EN Mar 17, 2023

Reusable components library for building web applications and mobile applications using React Native Web.

Demo

Web components library

ReactJS, Web API, EN Mar 16, 2023

Reusable web components library and development tools for building ReactJS applications.

Demo

Mobile application content design and delivery

ReactJS, Web API, React Native, EN Feb 22, 2023

It is possible to design an article in Admin Portal on the web and publish it to the mobile application users.

Demo

Social network design

Architecture, Azure, EN Nov 10, 2022

NTTData needs a social networking site. We want a first Draft Architecture proposing the best Azure resources for the proposal having an MVP and taking into account saving as much money as possible. Next we want to know what could be the best architecture, taking into account High Availability, private resources, full scaling, single endpoint with subdomains.

Code Demo

Extract data from PDF image

C# Code, Azure, AI, RU Oct 09, 2022

Demo application for getting text from an image in a PDF file using Azure AI.

Demo

DOCOsoft project

C# Code, Web API, EN Sep 22, 2022

For this test, we are looking for you to create a Web API project. The solution should have the following functionality / features. Create a user record, Update a user record, Get a user record, Use a database and a single table to store the user data, Use of SOLID practices is encouraged.

Code Demo

Teams API

C# Code, Web API, EN Apr 2, 2021

You need to create simple Web API for Teams management where each team consists of several team members and can work on several projects. For a now we do not have strict data model and quite sure shape and relation between data objects will be changed in future.

Code Demo

Sport club API and UI

C# Code, Web API, React, EN Mar 15, 2021

I am the secretary of a sports club. Currently we manage all of our members in Excel and this is problematic for us. We need a new system that allows us to store the members firstname and surname and the sports that they play. Currently we are not sure if they play more than one sport. We would like to have access to this in a central place where we all work on a single application. We may also want our members to access their sports at a later date.

Code Demo

Throttled Market Data Stream

C# Code, RU Nov 30, 2020

Market data stream is a sequence of small market data updates for different instruments. Typical rate is up to 1000 updates per second per instrument. Each update contains only updated fields and reflects the recent state of the instrument on the market.

Code Demo

PointOfSale Code Kata

C# Code, EN Oct 29, 2020

Implement a point-of-sale scanning API that accepts an arbitrary ordering of products (similar to what would happen when actually at a checkout line) then returns the correct total price for an entire shopping cart based on the per unit prices or the volume prices as applicable.

Code Demo