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Serhiy – Python, Django, ElasticSearch, experts in Lemon.io

Serhiy

From Poland (GMT+2)

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Back-end Web DeveloperSenior
Hire developer
13 years of commercial experience
Adtech
E-learning
Marketing
Retail
Sales
CMS
LMS
Platforms
Lemon.io stats
1
projects done
993
hours worked
Open
to new offers

Serhiy – Python, Django, ElasticSearch

Serhiy, a senior back-end developer, brings solid expertise in Python and Django to the table. His experience extends to real data processing on gaming and affiliate marketing projects. Serhiy's natural ability to analyze and think outside the box proves invaluable in navigating non-standard situations. Among his notable projects are an e-learning platform, an ERP system, and a user-generated content website.

Main technologies
Python
12 years
Django
10 years
Additional skills
ElasticSearch
Redis
Apache Kafka
React
Scala
PHP
Golang
MySQL
Linux
JavaScript
Apache
PostgreSQL
Celery
RabbitMQ
CI/CD
Kafka
Jenkins
Angular
Ansible
Ready to start
ASAP
Direct hire
Potentially possible

Experience Highlights

Backend Developer, Tech Lead
Jan 2012 - Ongoing12 years 5 months
Project Overview

Affiliate network platform which allows to connect publisher and advertisers, big data near real-time processing and products suggesting

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Responsibilities:
  • System API
  • Billing system
  • Architecture and development of DWH
  • User reports system, implemented DSL-like language for access to large data reports
  • 3-rd party data integration, a wide range of data integrations with the largest partners and government services
  • Near-real-time data processing for processing clicks & sales
  • Natural language processing system which suggests most reliable products based on publishers' website
  • Event-driven subsystem
  • Data streaming processing based on Kafka and Python
  • Analyze and describe applications and system requirements
  • Architect, implement, and monitor applications
Project Tech stack:
MySQL
Redis
ElasticSearch
Kibana
ClickHouse
Zookeeper
Kafka
Confluent
Django
django-rest-framework
Celery
faust
JavaScript
Angular
CI
CD
Jenkins
unit and functional tests
Ansible
Backend Developer Responsibilities:
May 2012 - Mar 20141 year 10 months
Project Overview

Initial developemnt of platform which allows to connect Instagram and Twitter users.Content produced by the users become a source for advertisers to promote their products

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Responsibilities:

Serhiy was responsible for:

  • System of image aggregation
  • Users management system
  • Basic integrations with Facebook, Flickr, Twitter, Google and Instagram API
Project Tech stack:
PostgreSQL
Redis
RabbitMQ
Python
Django
Celery
Flickr API
Facebook SDK
Twitter API
Instagram API
Fabric
Full-Stack Web Developer
Apr 2010 - Jan 20121 year 9 months
Project Overview

Attended in projects development as a python programmer, lead of two projects as a project manager.

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Responsibilities:

Serhiy was responsible for:

  • General backend development
  • Integrations with different APIs
  • Micro project management (for 3-6 people teams)
Project Tech stack:
PostgreSQL
MySQL
Memcached
Redis
Apache Solr
RabbitMQ
Python
Django
Celery
JavaScript
jQuery
Facebook SDK
Twitter API
unitests
CI
CD
Git
Full-Stack Developer, Tech Lead
Mar 2005 - Sep 20116 years 6 months
Project Overview

E-learning platform (LMS) implemented for university needs, allows to create and manage styding materials, students.Platform extedned with real-time collaboration tool based on BigBlueButton

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Responsibilities:

Serhiy was responsible for:

  • Linux servers administrating, e.g. setup servers from scratch to fit high-load needs
  • Monitoring and security audit
  • Planning and implementing features
  • Custom calendar with mailing
  • SSO based on LDAP protocol
  • ntegration with 3-rd party services
  • UI enhancement for local needs
  • Making a real-time platform integration
  • Making the integration with Google workspace
Project Tech stack:
Linux
Apache
MySQL
IMAP
Bash
PHP
JavaScript
jQuery
BigBlueButton
HTML
CSS
CSS
Full-Stack Web Developer
May 2009 - Apr 201011 months
Project Overview

Website allows to track managed items accross different contragents, schedule items delivery and availability in shops

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Responsibilities:

Serhiy was in charge of:

  • Architecture and implementation of website platform
  • Items management systems
  • UI development
Project Tech stack:
PostgreSQL
Redis
Python
Django
Celery
JavaScript
jQuery
HTML
CSS
CSS
Full-Stack Web Developer
Mar 2008 - Apr 20102 years 1 month
Project Overview

Website platform which allows to create contests, register users, track results and simple content management system

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Responsibilities:

Serhiy`s responsibilities included:

  • Architecture and implement website platform
  • Content management system
  • User registration system
  • Result tracking
  • Media resources management
  • UI development
Project Tech stack:
PostgreSQL
Redis
Python
Django
Celery
JavaScript
jQuery
HTML
CSS
CSS

Education

2007
Automation and computer-integrated technologies
Master's

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