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Java developer
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Java · App Development for Android
Kyiv, Ukraine
Утром деньги, вечером стулья.
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My name is Borys Petrovskyi. I'm experienced Java Developer with more then 5 years of production experience. Summary About:•Strong knowledge in Java Core with over 5 years’ experience in Embedded technologies•Experience with EE stack (Spring, Hibernate)•Experience with low level languages like C++, script languages like bash, python, mobile develop…
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I am a Backend Java Developer specializing in building scalable and high-performance systems using Java and Spring Boot. I have experience working with real-time communication systems (video/chat), WebSockets, REST APIs, and third-party integrations. I’ve built solutions using AWS services (including S3 and Chime SDK), and worked with Docker-based deployments. My core strengths include: - Backend develop…
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2838AI & Machine Learning
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496AR & VR Development
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1904Bot Development
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1377C & C++
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1200C#
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704Content Management Systems
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444Cryptocurrency & Blockchain
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769Data Parsing
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1205Databases & SQL
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471Desktop Apps
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196Embedded Systems & Microcontrollers
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549Gaming Apps
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5627HTML & CSS
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781Java
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3455Javascript and Typescript
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1683PHP
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4466Python
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1380Testing & QA
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6431Web Programming
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35843D Modeling
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2142AI Art
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1156Artwork
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3193Banners
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3011Business Card Design
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379Clothing design
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988Corporate Style
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141Exhibition Booth Design
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387Icons & Pixel Graphics
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3442Illustrations & Drawings
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249Industrial Design
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1008Infographics
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2661Interface Design (UI/UX)
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1399Interior Design
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4520Logo Design
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808Mobile Apps Design
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494Outdoor Advertising
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968Packaging and label design
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1863Presentations
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1775Print Design
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1848Social Media Page Design
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61Type & Font Design
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1653Vector Graphics
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63VR & AR Design
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3923Web Design
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255AI Consulting
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2915Content Management
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2306Customer Support
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197Cybersecurity & Data Protection
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1479Data Processing
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875Enterprise Resource Planning (ERP)
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1464Information Gathering
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1137Online Stores & E-commerce
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55Payment Systems Integration
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869Tuition
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2339Website Development
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432Website Maintenance
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24App Store Optimization (ASO)
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1212Contextual Advertising
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285Email Marketing
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768Lead Generation & Sales
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147Link Building
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658Marketing Research
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91Public Relations (PR)
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1056Search Engine Optimization (SEO)
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46Search Engine Reputation Management (SERM)
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1668Social Media Advertising
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2457Social Media Marketing (SMM)
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30Teaser Advertisements
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461Website SEO Audit
