The best freelancers
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About me
What am I engaged in?
Software development in Java. More than 8 years of experience. Development of indicators, strategies and libraries on PineScript (TradingView). Experience over 2 years.
Java
What can I do for you? Write a Telegram bot Write a cryptocurrency trading bot, including: With support for signals from an indicator or strategy on TradingView Write a plugin for the Minecraft server Bukkit/Spigot/Paper and forks BungeeCord/Velocity Game version 1.12.2 or later Write any other software (within the capabilities) according to your requirements, including: Under any OS on which the JDK runs (Windows, Linux, MacOS) Console or GUI (Swing) With the ability to communicate with other services With the ability to work with databases Fix bugs or modify existing Java software (provided it is possible to obtain the source code)
What will you get as a result? Software Source code Documentation for working with the software (optional, specified in the technical specifications) Free support (bug fixes) for one month after completion of development
Exceptions: I do not develop software that potentially violates the terms of use of a particular platform I don't parse complex websites I don't develop websites I don't develop Android apps
Main technology stack: Java SE Git JUnit Maven, Gradle PostgreSQL, MySQL, H2, SQLite REST, Websockets, Netty SLF4J, Log4j2
PineScript (TradingView)
What can I do for you? Write an indicator, strategy or library of any complexity in accordance with your requirements Fix bugs or modify an existing script (provided that it is possible to obtain the source code)
What will you get as a result? Script (as a file with source code) Documentation for working with the script (optional, discussed in the technical specifications)
Website development · Technical documentation
Lvov, Ukraine
Website✔️ Web design ✔️ Mobile application ✔️
3030
17 0
Greetings!
I am a Product owner, I organize the development of projects and support all stages of the implementation of the final product.
Together with our team and partners, we specialize in providing unique solutions and comprehensive Internet services to develop your online business.
My goal is to use an individual approach to bring your project to fruition, which will subsequently contribute to the achievement of long-term relationships between us.
WEB DEVELOPMENT Landing Page Corporate website Online store Startup Internet portal Internet platform
SERVICES Create a prototype Design a logo UX/UI Interface design Site design Site redesign Front-end Back-end QA & QC site testing Create a brand book and corporate identity
ADDITIONDLLY RudHost - Хостинг, VPS / VDS servers around the world, Discounted SSL certificates and domains Virtual servers - HMARA Website technical support Copywriting
What do you need to know before starting cooperation?
Our solutions are ahead of your competitors and set new trends! Every self-respecting entrepreneur should strive to go online - we create effective tools and open the door to online business for you. Our priorities are the quality and speed of decision-making.
Skills 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
Hello! I'm Vitalii, a passionate and results-driven Java Developer based in Ukraine. With a strong background in software development and a knack for problem-solving, I bring a wealth of experience to every project I undertake.
As a Freelance Java Developer, I specialize in creating robust and scalable applications that meet the unique needs of my clients. My expertise extends across the entire software development life cycle, from conceptualization and design to implementation and maintenance.
Technology Stack:
Programming Languages: Java, Java EE
Web Technologies: Spring Framework (Spring Boot, Spring MVC, Spring Security), Hibernate
Database Systems: MySQL, PostgreSQL, MongoDB
Frontend Technologies: HTML, CSS (Bootstarp basic)
Build Tools: Maven, Gradle
Testing: JUnit
IDEs: IntelliJ IDEA
Here's what sets me apart:
Expertise in Java Development: Delivering high-quality, efficient, and maintainable code.
Cutting-edge Solutions: Staying up-to-date with the latest industry trends and technologies.
Collaborative Approach: Ensuring a collaborative and communicative development process.
I take pride in staying up-to-date with the latest industry trends and technologies to ensure that the solutions I provide are not only cutting-edge but also future-proof.
Whether you're looking to develop a new application, enhance an existing one, or troubleshoot and optimize your current codebase, I'm here to help. Let's collaborate to turn your vision into a reality.
Feel free to reach out to discuss your project or inquire about my availability. I'm always excited to take on new challenges and contribute to the success of your development endeavors.
1298
13 0
I have been doing manual testing of applications and websites since 2015.
I have experience using programs such as Postman, Xcode, Android Studio, and others.
I understand the software development process and am proficient in various testing methods.
I have skills in creating test cases, conducting testing, analyzing results, and documenting found issues.
I also have access to various devices that I use for testing:
- iPhone 6S - iOS 15.8
- iPhone 7 Plus - iOS 15.8
- iPhone 11 Pro Max - iOS 17.3.1
- iPad Air 2 - iOS 15.8
- Samsung S6 - Android 7.0
- Samsung S7 - Android 8.0
- Samsung S8 - Android 9.0
- Samsung S20 - Android 13
- Google Pixel XL - Android 10
- Windows 10
- macOS 12
- Ubuntu 22.
I have experience working with various project management tools, including GitScrum, Jira, Trello, and ClickUp, and also have experience working with Figma and TestRail.
Additionally, I have successfully completed courses in Java Automation and gained practical experience using Java, Selenium, Selenide, Cucumber, JUnit, TestNG, Allure, Git, Maven, and GitHub. Currently, I am taking Java Automation Pro courses.
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28 0
444
8 0
Web programming · Web design
Lvov, Ukraine
Website, Web design, Mobile application
425
WEB DEVELOPMENT
Landing Page
Corporate website
Online store
Startup
Internet portal
Internet platform
SERVICES
Create a prototype
Design a logo
UX/UI
Interface design
Site design
Site redesign
Front-end
Back-end
QA & QC site testing
Create a brand book and corporate identity
Skills 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
360
• More than 4 years as Quality Assurance Automation Engineer
• Good knowledge of Java programing language
• Experience in creating an automation test project from scratch for testing using Selenium/Selenide approach on Java.
• Experience in maintaining, updating and refactoring existing automation project (Increased test coverage percentage, increased success rate of automation tests, tests have become more robust and stable).
• Experience in integrating automated scripts into CI/CD process and ongoing support for test suites performance and CI chains.
• Experience in manual UI, API testing, performance testing
• Experience in release management for several products: testing the full regression cycle, testing the rollback procedure, testing backward compatibility, communicating with project managers, and collecting release highlights.
My skills and qualifications:
Programming language: Java;
Automation: Selenium/Selenide, JUnit/TestNG, Cucumber, Rest Assured, Active JDBC;
CI/CD tools: Jenkins, TeamCity, GitLab;
Build systems: Gradle, Maven
Version control tools: GitHub, GitLab, Bitbucket;
Tools: Postman, SoapUI, Jmeter;
Data bases: MySQL, PostgreSQL, Oracle, MSSQL;
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