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Denis D.
Last update: 25 Jul 2018
SENIOR /team lead
Python back-end developer in a field of web-oriented applications
5+ years IT professional in backend Python based web development in a field of web-oriented applications for startups, midsize businesses and large enterprises from various industries. Have fully and deep understanding of web infrastructure, architecture and backend development approaches. Expert in work with Django, MySQL, PostgreSQL. Experienced in different approaches, backend engineering principles, and concepts. Knowledge in OOP, OOD, ORM and functional approach also in MVS and DJ patterns
All rates are indicative, annual rate includes 15% discount
15% discount on yearly basis
GMT+3 Middle East
Dnipro, Kyiv/Ukraine, New York/USA

EXPERIENCE

Industry Experience

Advertising & Marketing, Healthcare & Medicine, News & Media, Education & Science, E-Commerce & Retail

Product Experience

Aggregator marketplace, Healthcare platform, Media services, educational app, E-commerce application, online retail management app

PORTFOLIO HIGHLIGHTS

Dec `16 – Mar `18

1 year

SIDE-Commerce

Backend developer / Team lead.

Refactoring of existing source code and architecture DataBase development Feature adding Bugfixing Code review and refactoring code of other team members Communication with other team members (Jira,Skype,Git) Communication with the client

US business

SIDE-Commerce is architected to help brands expand and continue to grow in today’s competitive marketplace, with all the essential tools necessary for creating an optimal digital experience.

Technologies Stack:

Django JavaScript MySQL Python HTML Jinja2 JSON Redis Celery

Industry:

Advertising & Marketing

Product:

Aggregator marketplace

May `16 – Nov `16

6 months

CEPX

Back-end developer/team-lead

Backend developer / Team lead. Working with already existed platform Code review Code refactoring Developing unit and integration tests Developing technical documentation Communication with other team members (Jira,Skype,Git) Communication with the client directly.

Israeli client

Healthcare online service for cephalometric analysis.

Technologies Stack:

CSS Django MySQL Python HTML JSON Redis Celery

Industry:

Healthcare & Medicine

Product:

Healthcare platform

Sep `15 – Apr `16

7 months

Video news portal

Back-end developer

Creating backend architecture Implementing core of backend functionality API development and documenting Developing unit and integration tests Developing technical documentation Communication with other team members (Jira,Skype,Git) Communication with the client directly.

US business

Video Aggregator is a web service that collects and organizes online videos from different resources. Our customer decided to create Video Aggregator that provides news videos. With the help of this service, users get immediate access to videos from various news sites and possibility of sorting them by interests.

Technologies Stack:

CSS Django MySQL Python HTML Memcached SOAP Fabric.io RabbitMQ Vagrant virtualBox Celery REST API

Industry:

News & Media

Product:

Media services

Oct `13 – Mar `14

5 months

Compass

Back-end developer

Creating backend architecture Implementing core of backend functionality Developing API documentation Developing technical documentation Communication with other team members (Jira,Skype,Git) Communication with the Project Manager on client side.

Australian company

Project for medical clinics which allows to create assessments for patients, save patient medications and follow ups history. Compass provides to login via several user types (Doctor, Nurse, Admin etc.). The unique feature of project is generating recommendations for patient using difficult algorithms and based on his analysis

Technologies Stack:

CSS Django JavaScript PostgreSQL PyQt Python HTML PyCharm SQLAlchemy

Industry:

Healthcare & Medicine

Product:

Healthcare platform

Aug `12 – Sep `13

1 year

Education project

Back-end developer

Creating back-end architecture Implementing core of backend functionality Developing unit and integration tests Developing API documentation Developing technical documentation Communication with other team members (Jira,Skype,Git) Communication with the client

Norwegian company

Project for education via courses that provide a comfortable interface for single users, whole companies and authors to create share and learn courses. Students and teachers can use it. The portal suggests a user-friendly registration, where a user can choose a type of account he wants to create: single user, company owner or course author.

Technologies Stack:

CSS Django JavaScript PostgreSQL Python FFmpeg HTML

Industry:

Education & Science

Product:

educational app

Feb `12 – Jul `12

5 months

Sales project

Back-end developer

Creating back-end architecture Implementing core of backend functionality Communication with other team members (Jira,Skype,Git) Communication with the client

E-commerce & Retail The system of inventory control sales and movement of goods. Online monitoring of the retail system. Report generation.

Technologies Stack:

CSS Django MySQL Python HTML JSON PyCharm

Industry:

E-Commerce & Retail

Product:

E-commerce application

May `15 – Aug `18

3 years

Easy2Gift

Back-end developer

Creating backend architecture Implementing core of backend functionality Developing API documentation Developing technical documentation Communication with other team members (Jira,Skype,Git)

Israeli company

Was already existed platform. Online service that automates wedding presents sending. It is specialized service for the complete cycle of giving gifts online.

Technologies Stack:

CSS Django MySQL Python HTML JSON Memcached Vagrant virtualBox Celery REST API

Industry:

E-Commerce & Retail

Product:

online retail management app

Apr `14 – Aug `18

4 years

Online store project

Back-end developer

Implementation of backend functionality from scratch API creation Developing unit and integration tests Developing technical documentation Communication with other team members (Jira,Skype,Git) and client.

US entrepreneur

Creation online integrator for helping clients make purchases on eBay and Amazon. Creation and integration separate platform for delivery services.

Technologies Stack:

Cassandra CSS JavaScript PostgreSQL Python Tornado Elasticsearch HTML Vagrant virtualBox Celery Docker REST API

Industry:

E-Commerce & Retail

Product:

E-commerce application

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