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Summary

Expertise

Project Highlights

Education

Agency

KD

English:

Upper Intermediate

Konstantyn D.

vetted by Youteam

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Upper Intermediate

Proactive team player with a passion for continuous learning and solid background in OOP and OOD.

I have more than 6 years of professional working experience in software product development. Was involved in building complex and high loaded projects both on front-end and back-end sides. As Tech Lead involved in building application architecture, code review, writing code, and unit tests. Leading team of 5 developers.

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Check if Konstantyn is available

Expertise

Years of commercial development experience

6 years of experience

Core technologies

TypeScript 1 year
AWS 1 year
Node.js 4 years
JavaScript 4 years
Google Cloud Platform 1 year
RESTful API 4 years

Other technologies

AWS
MongoDB
MySQL
PHP
PostgreSQL
React.js
Elasticsearch
Laravel Framework
Memcached
Nginx
Redis
Ansible
Composer
ES6
RabbitMQ
RESTful API
Slim
Docker
SSOAuth
PHPUnit
Vue.js
Sequelize
Lambda

Project Highlights

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Senior back end engineer

Austedo

Jan `21 - Present

4 years

Modelate

Austedo is an interactive map with a selection viewing and changing medical statistics in the administrative zone created to simplify SEO work.

Responsibilities & achievements

● Designed DB architecture ● Designed API architecture ● Setup demo/production servers ● Provide code-review

MySQL
Node.js
Memcached
Redis
Sequelize
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Tech Lead

Intersport online store

Jul `19 - Jan `21

2 years

Intersport

As part of client omnichannel strategy we’ve developed, launched interspotr.ua and switched to support mode. Various integrations with existing client data sources (ERP and PIM) and functionality of importing content from the client internal systems and the CMS was implemented.

Responsibilities & achievements

● Leading development team ● Designed DB architecture ● Wrote and optimized the most complicated and performance important code parts. ● Setup Elasticsearch ● Setup integration with existing external store API ● Setup demo/production servers ● Provide code-review ● Ansible scripts development for deployment ● Online payment integration supervision

MySQL
Node.js
PHP
React.js
Elasticsearch
Memcached
Redis
RabbitMQ
Slim
Sequelize
Next.js
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Senior engineer

Tur.AI

Jul `18 - Jun `19

11 months

WeAreBrain

Enterprise Intelligence Automation Chatbot platform, SaaS

Responsibilities & achievements

● Completely developed backend part ● Designed DB architecture ● API development for creation and bots management and bot interfaces API ● Wrote unit and integration tests ● Facebook apps creation, Google DialogFlow, Microsoft Luis research and integrations

Node.js
PHP
Laravel Framework
Vue.js
Azure Cognitive Services
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Senior engineer

BarBattle chatbot

Mar `18 - Jul `18

4 months

WeAreBrain/Heineken

We developed a game template with gamification rules which includes: game scenarios, scores, multimedia support, multiple player roles and push notifications. We also created a custom user-friendly CMS to create new games for various products with the ability to customise the look and feel of the marketing material such as landing pages.

Responsibilities & achievements

● Completely developed backend part on PHP ● Designed DB architecture ● Wrote unit and integration tests ● Supported and developed new features for chatbot

JavaScript
Node.js
PHP
Laravel Framework
Azure Cognitive Services
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Senior PHP developer

Numismatic online store

Jan `17 - Mar `18

1 year

Online store for selling/buying/evaluating coins all over the world. Includes comments, user chats, and likes/dislikes

Responsibilities & achievements

● Project architecture ● DB architecture ● Code review ● Unit testing

MySQL
PHP
React.js
Slim
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Back end engineer

LMS Learning Zone

Mar `15 - Jan `17

2 years

KINEO Israel

A knowledge transfer platform, automating and tracking your workforce, partners and customers training on any device.

Responsibilities & achievements

● Totara based modules development ● Preparing for deployment on production servers ● Zappier integration ● SSO via SAML

JavaScript
jQuery
PHP

Education

Higher education in Computer Science

Agency

Development agency #31

400+

GMT-11

Remote

Want to hire this engineer?

Check if Konstantyn is available