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Ivan Hrytskiv

Reliable Plus owner
Offer Ivan to work on your next project.

Ukraine Lvov, Ukraine
43 minutes ago
replies instantly
Available for hire available for hire
26 Safe completed
8 days 6 hours ago
20 Clients
added 5 bids
registered for 4 years
  • postgresql
  • web scraping
  • crawler
  • scraper
  • web crawling

Rating

Successful projects
94%
Average rating
10 of 10
Rating
3203
Python
Databases
15 projects
Data parsing
12 projects
Python
10 projects
Databases
2 projects
Web programming

Language Proficiency Level

Українська Українська: fluent
Русский Русский: advanced
Polski Polski: upper-intermediate
English English: intermediate

CV

Ivan Hrytskiv
Team Lead / Senior Software Engineer

Summary

I am an Team Lead / Principal | Senior Software Engineer, Developer with over 18 years of experience in software development and leading IT projects activities.
I have worked on many different projects where I have had to solve a different issues including
architecture design, DB schemas, optimization, some DevOps tasks, requirements analysis and
technical research, leading full cycle development from scratch to product launch.
Creative, polite, punctual, responsible, study easy, can work independently and in team. Great desire
to work.
I have my own patents in the fields of medicine, religion, science.

Technical skills

Programming Languages ,Technologies & Tools:
DBMS: MySQL, PostgreSQL, Oracle, Progres4GL
NoSQL: Redis, MongoDB, Cassandra
Search Engine: ElasticSearch
Technologies: Docker / Docker Compose, Kubernetes, Postman, Prometheus
Web-servers: nginx, apache
Cloud: Google, AWS
Frameworks / Libraries: Django framework, REST framework, Flask framework, Scrapy, Selenium,
SeleniumBase, SeleniumWire, puppeteer, JMeter, jQuery, Bootstrap, Jinja2, Allure
Tools: Atlassian JIRA; Confluence
The Python Object Relational Mapper: SQLAlchemy
CI/CD tool: Jenkins
Experience working with Linux and cloud platforms
Experience in Agile-based (Scrum) methodologies
Repository / CI :GitLab, GitHub, Bitbucket
Task Queue: Celery, Circus
Message Broker: RabbitMQ, Kafka
Python AsyncIO, Aiohttp, Aiofiles
Create API documentation – RAML, Swagger

Operating Systems
Linux
Windows

Other
Scrum

Patent

▪Patent Title: “BorntoFish”. Patent/Application Number: m202016093
▪Patent Title: Computer program “The Secret of Happiness”. Patent/Application Number: 39354.
Author and developer of project "First Ukrainian anti-crisis Christian - psychological medical - health
program" Secret of Happiness "(Part One)
▪Patent Title: Computer program “Hello Bible”. Patent/Application Number: 86345. Author and
developer of project “Hello Bible”.
▪Certification Authority Ministry of Health of Ukraine. License Number АГ № 599796 January 2012.
▪Ukrainian Catholic University (Bioethics). License Number 000034 June 2012

Interests

Books, philosophy, psychology, east combats, medicinal, football, snooker, gimm, fishing.

Experience

Project name:NDA
Description:Development of interfaces of connection of endpoints of our product
and products of partners. Develop integration of this product into
partner’s products.
Tools & technologies:
DBMS: MySQL, PostgreSQL
NoSQL: Redis, MongoDB, Cassandra
Search Engine: ElasticSearch
Technologies: Docker / Docker Compose, Kubernetes , Postman,
Prometheus
Web-servers: nginx, apache
Cloud: Google, AWS(AWS Serverless, AWS Lambda, AWS Step
Functions,
AWS Athena, AWS DynamoDB, AWS SNS and SQS, AWS S3, AWS
ElasticSearch)
Frameworks / Libraries: Django framework, REST framework, Flask
framework, jQuery, Bootstrap, Jinja2
The Python Object Relational Mapper: SQLAlchemy
CI/CD tool: Jenkins
Experience working with Linux and cloud platformsExperience in Agile-based (Scrum) methodologies
Repository / CI :GitLab, GitHub, Bitbucket
framework : Django framework, REST framework, Flask framework,
Scrapy
Task Queue: Celery, Circus
Message Broker: RabbitMQ, Kafka
Python AsyncIO, Aiohttp, Aiofiles
Create API documentation – RAML
Project responsibilities:
Software Engineer
- Coach junior team members
 -Prepare technical documentation
-Build efficient back-end features in Python
-Use server-side logic
-Identify and suggest various opportunities to improve efficiency
and functionality
-Write and implement software solutions that integrate different
systems
-Write reusable and testable code
-Manage testing and bug fixes
-Help design and implement functional requirements
Duration:3 years
Customer:EU

Project name:NDA
Description:Outsource ecommerce project based on iPad application. The idea was
to develop Python scripts for web scraping and web page crawling
using Scrapy framework, Portswigger, Puppeteer, Nord VPN,
BeautifulSoup, PyQuery, LXML, request, Selenium, aiohttp modules.
Tools & technologies:
Python, JavaScript, Django Rest, jQuery, CSS, HTML, PyCharm,
DataGrip, Jankins, Slack, Cabot, Pivotaltracker, Kibana, Eclipse, Git,
Sublime Text, Notepad ++, HTML, CSS, XML, MySQL Workbench, PuTTY,
WinSCP, Cygwin, Experience with the full LAMP stack
Project responsibilities:
Software Engineer
-Build efficient back-end features in Python
-Manage testing and bug fixes
-Help design and implement functional requirements
Duration:2 years
Customer:EU


Project name:NDA
Description:Development of live dialogs of communication.Web UI controllable
Microservices Infrastructure with services deployment and operating
platform. Implementation of this development on the customer side.
Tools & technologies:
Java, Python, Django framework, REST framework, Cloud: Google
DBMS: MySQL, PostgreSQL, Search Engine: ElasticSearch
Project responsibilities:
Back-end Engineer
-Build back-end features in Python, Java
-Manage testing and bug fixes
-Introduction of new technologies
-Development of speech recognition technologies
Duration:1 year
Customer:EU


Project name:NDA
Description:Database design, development of environment for writing algorithms
for banking and payment systems.Integration of payment systems into
third-party protocols.
Development of Startup Project
Tools & technologies:Python, JavaScript, NoSQL
Project responsibilities:Software Engineer
-Development payment and banking systems
-Build back-end features in Python
-Manage testing and bug fixes
Duration:1 year
Customer:USA


Project name:Own projects
Description:Projects in medical, religious, scientific field.All of these projects
were funded through international grants.
Tools & technologies:Python, Very wide and diverse technical stack for all projects
Project responsibilities:Software Engineer

-Research in the field of medicine, science
-Data collection and analysis

-Integrate data storage solutions
-Implement data security and protection
-Development of project structure
-Database design

Programming the interface for various medical devices
Duration:3 years
Customer:DIFF


Project name:NDA
Description:Development and design of databases for the field of medicine and
pharmacology.
Tools & technologies:Progress 10 4GL , Softserve Explorer, DB and DBMS technologies
Project responsibilities:Software Engineer
-Software development
-Software maintenance
-Algorithm development for DB on DBMS Progress 10 4GL
Duration:6 months
Customer:UA


Project name:«Parus»
Description:Software incorporation and maintenance on the client's side.
Optimization and development of algorithms for DB and DBMS Oracle
(9-th and 10-th versions). Worked with: Ministry of Internal Affairs,
Defence Ministry.
Tools & technologies:
Oracle PL\SQL, SQL PLSQL DEVELOPER, TOAD, Crystal Reports 8.5 and
9.0
Project responsibilities:
Software Engineer
-Obtained professional knowledge in accounting and economics
-Worked with such partial projects: Accounting, Realisation and
storehouse administering, Administrator, Finance administration
Duration:1 year 1 month
Customer:UA


Project name:NDA
Description:Development and design of databases for the district heating utilitiesTools & technologies:FoxPro Visual FoxPro 1С Linux Suse Server 10
Project responsibilities:Network administrator
-Lead engineer developer
-DB improvement, assistance
-New features development
-User support
Duration:2 years
Customer:UA


Project name:NDA
Description:Analyst-developer in drivers design for gears and trip computer of
“Ferrari”, “Porsche”, “Lamborghini”
Tools & technologies:
MS Visual Basic MS Visual C++ MSI HTML, DHTML, CSS JavaScript SQL
Virtual Table MS Access Oracle Win32 API *nix (Linux etc.)
Project responsibilities:
Network administrator
-Maintaining company web-site
-Development of DB with millions of records
-Preliminary algorithm testing
Duration:1 year
Customer:EU

Skills

Programming

Services

Audio & video


Architecture

Administration

Outsourcing & consulting

Portfolio


  • 5010 USD

    Patent of Birth Fisherman

    Python
    Development of algorithms of payment systems, navigation systems, analytics, statistics.
    Development of bots, messages, cards, cards. The Cloud Solution.
  • 125 USD

    Bd

    Python
    Development of BD for large projects
  • 5000 USD

    Parking of data

    Python
    Scraping data from Internet resources

Reviews and compliments on completed projects 29

  • Real expert
  • Craft master
  • Quick answers
  • First-class quality
  • Nice communication
  • High responsibility
  • Great price
  • Lightning fast

16 May 254 USD
Search engine

Quality
Professionalism
Price
Availability
Terms

I highly recommend, excellent cooperation and very high quality of services !!!

13 September 2023 50 USD
Translate DAPM BD from MySQL to Postgresql

Quality
Professionalism
Price
Availability
Terms

The freelancer was able to do everything very quickly.
Everything is true, original, constructive from the first time.
Many freelancers were taken to work, but pressed offered or
Unemployed or partially working.
A true prof!
I recommend !

23 March 2023 967 USD
Amazon, Esty, Google search results

Quality
Professionalism
Price
Availability
Terms

A great specialist! I did not deceive the deadlines. I recommend it.

15 March 2023 13 USD
Work with text (English) - personal project for Ivan Hrytskiv

Quality
Professionalism
Price
Availability
Terms

A professional approach, a good result. I recommend cooperation!

10 March 2023 125 USD
Parking of goods from Amazon to BD

Quality
Professionalism
Price
Availability
Terms

Have the best experience on the platform. It was necessary to write a non-trivial parser for the Amazon, with which the performing man managed thanks to his experience, his skill, proactive and responsible attitude to work.

Everything is done according to TZ and even better than expected.

Quality
Professionalism
Price
Availability
Terms

The consultant in a short time prepared parsers for various sources, because of the large volume of data still is broken / transferred, yet now I recommend Ivan as a responsible and reliable professional.

28 December 2022 40 USD
Fill out the report field with FastReport Designer (Firebird BD request)

Quality
Professionalism
Price
Availability
Terms

Ivan is a good specialist. It responds quickly to requests, communicates at height. Very vigilant and careful. The work is responsible. The task was performed greatly. I am pleased to cooperate!

13 December 2022 125 USD
The Boot Writing for the Forum

Quality
Professionalism
Price
Availability
Terms

I recommend a very good collaboration and communication, I’ve been looking for someone like that. Everything done in accordance with the established plan, detailedly discussed the action of the script, and at the end prepared by the instructions .. as a laic better I could not find . I’m sure I’m going to use the services of Ivan again. Hello to

30 January 2022 256 USD
Program for the ratings for table tennis

Quality
Professionalism
Price
Availability
Terms

Everything is done professionally. I recommend

27 October 2021 5 USD
by Python Soap

Quality
Professionalism
Price
Availability
Terms

Python SOAP zeep or suds.
I wrote to various top executives.
No one was able to do it in 2 days, they tried, but there was no result.
Ivan Hrytskiv made a bet, wrote that earlier such tasks was performed and everything was done very quickly and correctly from the first time!
I strongly recommend cooperation!
A professional of your business!

4 October 2021 32 USD
Ознакомление с задачей по Crystal Reports

Quality
Professionalism
Price
Availability
Terms

задача выполнена, спасибо

Quality
Professionalism
Price
Availability
Terms

The work was done at the highest level. If necessary, I will contact you again. I recommend cooperation!

24 August 2021 58 USD
Новий проект

Quality
Professionalism
Price
Availability
Terms

Чудова і якісна робота, швидка комунікація. Сподіваюсь ще буде нагода для співпраці

7 July 2021 54 USD
Разработка доп функционала для парсера

Quality
Professionalism
Price
Availability
Terms

Отличная работа. Рекомендую данного специалиста.

4 July 2021 118 USD
Парсер Сортлист

Quality
Professionalism
Price
Availability
Terms

Everything is great! It has been done in the scheduled time, the quality of the work is satisfied!

31 May 2021 415 USD
Interms

Quality
Professionalism
Price
Availability
Terms

Все поставленные задачи были выполнены верно и в срок

21 November 2020 100 USD
Forum parsing with python

Quality
Professionalism
Price
Availability
Terms

Профессионал высокого класса! Рекомендую!

M N | Personal | Response feedback

Quality
Professionalism
Price
Availability
Terms

Everything is well. They almost put in time.
We recommend cooperation.

26 April 2020 30 USD
Доповнення до попереднього проекту

Quality
Professionalism
Price
Availability
Terms

Як завжди, Все виконано швидко та якісно. З першого разу. Рекомендую виконавця Всім.

Quality
Professionalism
Price
Availability
Terms

The work is done professionally. and clearly. Without any “nuans.” I recommend to everyone.
Surprised by the quality of work and professionalism.
I will continue to work with this person and I will advise you.
The Beautiful. Pardon for Familiarity.

14 April 2020 13 USD
Доработка парсера для сайта ekw.ms.gov.pl

Quality
Professionalism
Price
Availability
Terms

Все сделано быстро. Спасибо.

3 April 2020 68 USD
Specialist Webscraper.io

Quality
Professionalism
Price
Availability
Terms

Working loving executive. Although I did not work with him for the first time and before that everything was great, in the process of carrying out this project, discovering that the task takes more time, tried to double the price, refused to carry out and eventually completed the project, but in quality not attracting, to the required. I recommend working through the seafood to avoid controversial situations.

24 March 2020 15 USD
Parsers for Payeer

Quality
Professionalism
Price
Availability
Terms

He responds – fast. Everything in essence. It works quality and rapidly.
I have rarely met such professional performers, but this is good. Very good !

20 March 2020 15 USD
Cache through Requests

Quality
Professionalism
Price
Availability
Terms

As always at the height. I recommend cooperation!

14 March 2020 25 USD
Recaptcha Python 3

Quality
Professionalism
Price
Availability
Terms

Everything went great! The project is implemented quickly and with all the necessary functionality. I recommend !

Quality
Professionalism
Price
Availability
Terms

The project was complicated and from the first attempt it failed due to the unstandard blockage by the site. But, the freelancer showed perseverance and professionalism and still successfully completed the project, which the 5 previous performers were unable to do! Thank you greatly! I strongly recommend cooperation!!The !

Quality
Professionalism
Price
Availability
Terms

Thank you very well, I recommend.

Profile deleted | Safe Safe | Response feedback

26 February 2020 63 USD
Importing CSV files to MySQL

Quality
Professionalism
Price
Availability
Terms

Your reviews and reviews will not be publicly available until the executive adds a meeting review of your collaboration.

3 February 2020 75 USD
Screeper/Parser Linkedin

Quality
Professionalism
Price
Availability
Terms

Everything is great! I am very happy Ivan is a very good programmer!

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