Найкращі фрилансери
215
Python · Бази даних
Львів, Україна
18 years of experience in programming
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Ivan Hrytskiv
Team Lead / Senior Software EngineerSummaryI 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
Программист .NET
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Мої навички PHP WordPress Python 3 (ООП та функціональний) Django (DRF, DjDT, Pylint, PyTest) Selenium Webpack (s[ac]ss і менше для css і watch devserver) Postman (запити CRUD) AWS (lambda, DynamoDB) HTML/CSS/JS (VanilaJS :D) Git/GitHub Партнер Google Adwords в Україні з 2018 року Веб-майстер Google, аналітика, менеджер тегів Пошукова оптимізація (SEO) англійська B1 Трохи: SQL, jQuery, React, Angular, Vue, DataBase Design, Android, Java, ER діаграма В університеті: Інженерні високонавантажені системи та Delphi Використовував термінал і SublimeText 3 плюс Package Controll. Не VScode або PyCharm, але, можливо, в майбутньому
Про мене 2005 - створив свій перший бізнес (домашнє завдання) 2008 рік - вдосконалений сімейний бізнес 2016 рік - вихід з університету (тому що програма дуже стара) 2016 - створив свою першу «гру», на HTML/CSS/JS (VanillaJS :D) 2017 - створено сайт monro-de.com 2017 - створено сайт odbm-ua.com 2022 - почав писати свою першу CRM і її перший модуль «Онлайн склад»
Мене цікавлять нові технології в мові програмування
Зараз я вивчаю «Гіпервізор: VirtualBox»
⚽️ Люблю: футбол, Harley Davidson: Night Rod, риболовлю, гори і тишу
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Data Engineer
210
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Personal information:
Date of birth: 31.05.1995
City: Odessa, Ukraine
https://dou.ua/users/dmitrii-radulov/
GitHub: https://github.com/DmytroRadulov?tab=repositories
Career objective: Looking for a full-time job as a Trainee/Junior PHP Developer
Hard Skills: Understanding the client-server architecture Strong knowledge of OOP Understanding HTTP and HTTPS Relational Database Design MySQL Deploying a Docker or Vagrant production environment Work experience with Composer, Bootstrap and Git Proficiency in MVC,SOLID and other design patterns Understanding how the REST API works and how it is built Ability to work with framework (Laravel,) Basic skills in working with HTML, CSS. Work with file repositories.
Education: 2012-2017 Odessa National Maritime University
Bachelor Mechanic
Additional education:
2023, PHP Pro course at Hillel IT-school
https://certificate.ithillel.ua/view/77724953
2022, PHP Basic course at Hillel IT-school
https://certificate.ithillel.ua/view/56453948
Work Experience:
09.2022 – 20.01.2023
Coolorca, Junior PHP Developer (Laravel)
….Soft skills:
Time management
Fast learner
Adaptability
Result oriented
Disciplined
Responsible and purposeful
Additional information: English – Elementary.
Hobbies: football, fishing, run.
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Створення сайту під ключ · Технічна документація
Львів, Україна
✔️Веб-сайт "під ключ"✔️ Написання ТЗ ✔️ Веб-дизайн ✔️ Розробка мобільних додатків
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Вітаю!
Я Product owner, займаюся організацією розробки проектів та супроводом усіх етапів реалізації кінцевого продукту.
Разом з командою та партнерами ми спеціалізуємося на наданні унікальних рішень та комплексних інтернет-послуг для розвитку вашого бізнесу в мережі.
Моя мета - використовуючи індивідуальний підхід вивести ваш проект на результат, що згодом сприятиме досягненню між нами довгострокових взаємин.
ВЕБ-РОЗРОБКА Landing Page Корпоративний сайт Інтернет-магазин Стартап Інтернет-портал Інтернет-платформа
ПОСЛУГИ Створити технічне завдання Створити прототип Розробити логотип UX/UI (розробка юзабіліті) Проектування інтерфейсів Дизайн сайту Редизайн сайту Адаптивна верстка Front-end Back-end QA та QC тестування сайту Створити брендбук та фірмовий стиль
ДОДАТКОВО RudHost - Хостинг, VPS сервери / VDS сервери по всьому світу, SSL-сертифікати та домени зі знижкою Віртуальні сервери - HMARA Технічна підтримка сайту Копірайтинг Переклад тексту (English/Українська)
Що вам необхідно знати перед початком співпраці?
Наші рішення випереджають ваших конкурентів і задають нові тренди! Кожен поважаючий себе підприємець повинен, прагне до інтернету – ми створюємо ефективні інструменти та відкриваємо для вас двері до онлайн-бізнесу. Наші пріоритети - якість і швидкість прийняття рішень.
Навички Technologies
JAVA, .NET, PHP, JS, Node.Js
WEB PHP framework: Laravel Laravel: Broadcasting, Echo, Scout, Passport, Telescope, Mix, Voyager/Backpack etc. PHP CMS: Drupal JS: Vue.Js, React Basic techniques: jQuery, Ajax, Axios, Vuex, Nuxt, CLI, Bootstrap, Tailwind, Materialize, CSS3, HTML5, XHTML, Webpack, Babel, Gulp, Bower etc.
MOBILE React native (Facebook), Redux Android (java), Android MVP, Material design, Android Studio Flutter
DATABASE
MySQL, PostgreSQL, MongoDB, Firebase, SQLite, GraphQL, DAO, AR
PACKAGE MANAGER
NPM, Yarn, Composer
TESTING
NUnit, JUnit, Unit, Feature etc.
VERSION CONTROL SYSTEM
Git, SVN, TFS
TASK MANAGEMENT
Trello, Jira, Bitrix24
API DOCUMENTATION
Swagger, Postman
ENVIRONMENTS
Docker, Vagrant, Open server, Xampp
WEB SOCKETS
Pusher, Socket IO, Redis
IN MEMORY CACHE
Redis, Memcached
OTHER Elastic Search REST API, SOAP, XML, Json, OAuth 2.0, JWT Auth, Eslint AWS (CloudFront, S3, EC2, SQS, SNS, etc) Linux (Ubuntu), FreeBSD, CentOS, Debian, Nginx, PHP-fpm, Apache Cloudflare
#JAVA #NET #PHP #JS #Laravel #Symfony #Broadcasting #Echo #Scout #Passport #Telescope #Mix #Voyager #Backpack #Drupal #Vue #React #jQuery #Ajax #Axios #Vuex #Bootstrap #Tailwind #Materialize #CSS3 #HTML5 #XHTML #Webpack #Babel #Gulp #Bower #ReactNative #Redux #Android #AndroidMVP #MaterialDesign #AndroidStudio #MySQL #PostgreSQL #MongoDB #Firebase #SQLite #GraphQL #DAO #AR #NPM #Yarn #Composer #NUnit #JUnit #Unit #Feature #Git #SVN #TFS #Trello #Jira #Swagger #Postman #Docker #Vagrant #OpenServer #Xampp #Pusher #SocketIO #Redis #Memcached #ElasticSearch #RESTAPI #SOAP #XML #Json #OAuth #JWTAuth #Eslint #AWS #CloudFront #S3 #EC2 #SQS #SNS #Linux #FreeBSD #CentOS #Debian #Nginx #PHP-fpm #Apache #Cloudflare
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Feb 2022 – Till now – Combat Medic served for SOF squad I’ve got a significant legs injury, rendering me unable to walk for the next six months. Currently, I am undergoing rehabilitation. Despite my circumstances, I want to work. Dec 2020 – Feb 2023– Junior Business Analyst – Fourline Design, the e-commerce project (full-time) Implemented Google Apps (Analytics, Optimize, Tag Manager) to track and build reports of homepage and landing page performance, creative tests as well as the shopping funnel to optimize marketing efforts. Saved 24 hours/week for a support team by creating the parser to track order statuses (Python + Google App Script). Automated the company reporting system: ROI calculation, stock prediction system, product performance, shipping analysis, Facebook ads performance, etc. SEO the wholesale platforms managed to rank #1 with our targeted keywords and website SEO. Launched and developed an affiliate program. Routine tasks: product searching and uploading, communication with manufacturers, user-generated content searching for website updates. Jun 2020 – Dec 2020 – Business Analyst – Fintech startup AllCrowder (full-time / closed) Conducted market research and interviews to provide market data in support of company and product roadmap. Researched and collected data to find product-market fit: identifying buyer persona, developing surveys for potential customers, shaping the problem we solved, etc. Startups analysis for a company database based on a developed assessment model. Leading and managing the team of 2 junior analysts. Jan 2016 – till now – researcher, Google Spreadsheets Scripts and data automatization - Freelancehunt (part-time): Creating unique content for various websites, conducting market research and industry overviews. Data collecting and researching. Working with e-commerce: SEO for marketplaces, creating product descriptions and product uploading for various e-commerce platforms. Creating Google Scripts for reports automation (ROI calculation, Facebook Ads performance, stock prediction systems, sales performance, etc.).