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Welcome to my portfolio website!
Hi, I'm

Bohdan Orlovskiy

Back-end Developer

Kotlin/Java, Spring Boot

I'm glad to see you on my personal site ! Thank you!

Here you will find information about my projects and skills in backend development.

View my CV card

About me:

I'm a Backend Developer with three years of coding experience, specializing in building robust and scalable systems using Android SDK, Spring Boot, and Kotlin/Java. I have experience working with both SQL and NoSQL databases. Additionally, I possess a solid understanding of front-end development with React (Next.js). Currently, I'm working on freelance projects and looking for a long-term collaboration as a Back-end Developer, focusing on Android applications, software, and API development. Here are some of my favorite tools :

  • Android SDK

  • Kotlin

  • MySQL

  • Firebase

  • Spring Boot

  • Java

  • PostgreSQL

  • SQLite

Bohdan100

Experience:

Since March 2023, I've worked on freelance projects using backend technologies (Spring Boot, Java, Hibernate, Tomcat, JDBC, MySQL) alongside frontend tools (React, Redux, TypeScript, JavaScript, HTML, CSS).

#FreelanceWebsite development

March 2023 - Present

  • Participated in the development and maintenance of RESTful APIs for various web applications.
  • Participated in the design and implementation of database schemas for applications using MySQL and PostgreSQL.
  • Created Telegram bots for customer support and task reminders
  • Web page parser development for automated data extraction (prices and product descriptions).
  • Developed and built websites using various frontend technologies (React, JS, HTML, CSS).
  • Enhanced individual site components and implemented adaptive layouts.

Projects

As a developer, I have implemented projects using various technologies. Below, you can find examples of backend APIs built with Spring Boot and Java/Kotlin, as well as some frontend projects:

FURNITURE STORE

It's an Android application with user authentication, developed in Kotlin, utilizing an SQLite database, offers users a smooth interface for purchasing furniture items (with a product catalog, shopping cart, payment).
Technologies: Android SDK, Kotlin, SQLite, Stripe, Retrofit, and Gradle.

View Project
FURNITURE STORE
ENTERPRISE-GRAPHQL

It's an enterprise API for efficiently managing department, employee, and project data using a GraphQL schema and a GraphiQL interface for queries and mutations.
Technologies: Spring Boot, Kotlin, GraphQL, MySQL, Flyway, Lombok, and Gradle.

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ENTERPRISE-GRAPHQL
PHONEBOOK-API

It's a contact book API for efficient contact management (CRUD operations) with session authentication, allowing users to create, delete, or find contacts in their own list.
Technologies: Spring Boot, Kotlin, PostgreSQL database, Flyway, Lombok, and Gradle.

View Project
PHONEBOOK-API
PRODUCT-LINE-API

It's an enterprise API with authentication that simplifies the effective management of product lines, tracks record entries within those lines, generates detailed reports, and supports user roles (Admin, Operator, etc.).
Technologies: Spring Boot, PostgreSQL, Thymeleaf, Flyway, Lombok, Apache POI, and Gradle.

View Project
PRODUCT-LINE-API
SO-YUMMY-API

It's a cooking API with JWT authentication that manages a collection of recipes, ingredients, shopping lists and subscribes for healthy meal preparation and allows users to perform CRUD operations.
Technologies: Spring Boot, Kotlin, MongoDB cluster, JWT, Lombok, and Gradle.

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SO-YUMMY-API
TG-CURRENCY-BOT

It's a Spring Boot application that delivers real-time exchange rate information and currency conversion capabilities through a Telegram bot.
Technologies: Spring Boot, Telegram Bots, MySQL database, Flyway, Lombok, and Gradle.

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TG-CURRENCY-BOT
Dog-clinik

It's a dog's veterinary clinic website that showcases the advantages of clinik Dog's Planet. Personal project.
Technologies: JavaScript, HTML5, SCSS (Sass). Adaptive layout for mobile, desktop and tablet.

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Dog-clinik
Movies-finder

This project serves as a search engine for discovering favorite movies by title and exploring a curated list of trending films.
Technologies: Next.js, React, TypeScript, SCSS, Axios. Adaptive layout for mobile, desktop, and tablet devices.

View Project
Movies-finder

Education:

I studied at GoIT Academy, where I successfully completed two comprehensive, hands-on courses: Java/Kotlin, Spring Boot Developer and Full-Stack JavaScript Developer. These programs provided me with in-depth knowledge and valuable practical experience, enabling me to excel in backend development and gain a strong understanding of both backend and frontend technologies.

Java/Kotlin Spring Boot Developer#GoIT Academy Software coding

November 2023 - October 2024

  • Developed backend applications using technologies such as Spring Boot, Java/Kotlin, Hibernate, Servlets, JDBC, Flyway, Gradle and Maven.
  • Worked with various databases in projects, including MySQL, PostgreSQL, H2 and MongoDB, ensuring efficient data management and optimization.

In conclusion

Thank you for exploring my portfolio. I am passionate about backend development and approach my work with responsibility and dedication. I am always eager to improve my skills and take on new challenges. If you have relevant opportunities, I’d be happy to discuss potential collaboration. Feel free to reach out via  Telegram.


Bohdan100