Summary

Expertise

Project Highlights

Education

Agency

DK

English:

Upper Intermediate

Denys K.

vetted by Youteam

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Upper Intermediate

Full-Stack Developer with 3+ years of experience.

Hard-working, team player, high learning abilities, fast self-starter, able to work independently in a team, paying great attention to details. Passionate about staying up to date with the latest trends and best practices in web development. Able to effectively communicate technical concepts to both technical and non-technical audiences. Front End development skills: - Creating web applications using ReactJS, Ember.js, Next.js - Creating dashboard using Highcharts - Develop, maintain, and modernize web applications - Advanced HTML/CSS skills Back End development skills: - Business logic implementation and development of back-end system - Creation of functional APIs - Development of web platform and its core functionality - Work with code architecture - API integration

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Expertise

Years of commercial development experience

3 years of experience

Core technologies

Node.js 3 years
React.js 3 years
TypeScript 3 years
Lambda 3 years
Serverless 3 years
Ember.js 3 years

Other technologies

AWS
CSS
Ember.js
MongoDB
MySQL
Node.js
PostgreSQL
React.js
Socket.IO
TypeScript
Git
Highcharts
HTML
Redis
RabbitMQ
Nest
GraphQL
Serverless
Next.js
Lambda

Project Highlights

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Full-Stack Developer

Healthcare Progressive Web Application

Dec `22 - Jan `23

NDA | USA

A fully-functional solution that automates the recognition of drug test results and their distribution to clients. The system is powered by ML algorithms that recognize test results in seconds and send notifications to employers. MindK team built an app that uses a smartphone's camera to scrape data from the person's ID documents, recognize the results of a test kit in real time, and add the data to a single record in a database. The system also features an admin panel for test scheduling, mapping test locations, and results storage.

Responsibilities & achievements

Added uploading file functionality (with drag-drop and saving to AWS S3). Added CSV export. Customized AWS Cognito messages. Implemented ACL using the CALS library.

PostgreSQL
React.js
Nest
GraphQL
icon
Full-Stack Developer

Electronic medical records system

Sep `22 - Dec `22

3 months

NDA | USA

The system that helps Lactation Consultants to track the visits with their patients and submit all necessary medical documentation together with the consultation and care plans, and treatment. The system has numerous technical and non-technical stakeholders, industry experts, and end users. The system is HIPAA Compliance observed, and the team follows serverless architecture and uses only cloud-native services.

Responsibilities & achievements

Created video, screen sharing, voice, and text communication services. Integrated with Agora.io. Use RTM, RTC, and Chat Agora products. Built a fully custom UI for interacting with the Agora backend. Created a user dashboard.

PostgreSQL
React.js
Nest
icon
Full-Stack Developer

SaaS platform for HR&Recruitment industry

Jun `22 - Sep `22

3 months

NDA | USA

Codermatch system is a fully automated web platform for engineers to anonymously look for their next opportunities and for companies to engage with candidates who are ready to make a move. The easy-to-scale web application provides a passive and anonymous job searching process for candidates and fully assists hiring for recruiters.

Responsibilities & achievements

Create a list with candidates using PostgreSQL full-text search with ranking. Add browser notifications. Implement social login using Next-auth (LinkedIn, Facebook, Google, GitHub). Add invite user functionality. Implement Chat functionality for communication between recruiters and candidates.

PostgreSQL
React.js
Socket.IO
Nest
Next.js
icon
Full-Stack Developer

Marketing custom web application

Jul `19 - Jun `22

3 years

NDA | USA

An analytical web tool for parsing, categorizing, and analyzing ad data developed for the fastest-growing media group in California. Development of a scalable architecture process automation platform for one of the leading advertising and direct response radio buying agencies. The easy-to-scale web application provides full tracking and advanced analytics of ad campaigns. It dramatically simplifies order placement, invoicing, and reporting.

Responsibilities & achievements

Refactor codebase. Migrated from Laravel framework to Nest.js. Work with Big Data (website visitors, advertisements). Integrate with more than 5 different APIs. Create an interactive analytical dashboard.

AWS
Ember.js
Google API
PostgreSQL
Highcharts
Laravel Framework
Redis
RabbitMQ
Nest
AdonisJS
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Full-Stack Developer

A complex solution in the energy saving field. Energomonitoring

Jun `19 - Nov `19

5 months

Ukraine

The solution provides analytical capabilities for sustainability, environment, and risk management. With various reports and dashboards, the system users gain rapid access to business-critical data and may plan resource usage more efficiently.

Responsibilities & achievements

Created analytical report. Added analytical charts.

Ember.js
MySQL
Symfony

Education

Higher education in Computer Science

Agency

Custom, Web & Mobile Apps agency #72

50-100

GMT+2

Kyiv, Ukraine

Core Expertise

AWS
Azure
Ember.js
Express.js
Java
Kubernetes
Node.js
React.js
React Native
Automated Testing
Continuous Integration
Cucumber
JUnit
Mocha
Test Automation
RESTful API
Continuous deployment
Redux
Nest
GraphQL
Google Cloud Platform
Webdriver.io
Next.js
Terraform
AdonisJS

Industries

Business & Productivity, E-Commerce & Retail, Information services & Technologies, Construction & Real estate, Advertising & Marketing, Environmental Activism & Social Organisations

Want to hire this engineer?

Check if Denys is available