Ivan Hrytskiv

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