Нікіта

NIKITA LESNIKOV
M I D DLE JAVA DE V E L O P E R | U K R A I N E

SKILLS A LITTLE BIT ABOUT ME

Coding Languages I am a self-starter who is responsible,
proactive, and result-oriented. Always eager
Java to learn new concepts and technologies
CSS, HTML and accelerate the development of my
professional career as a software
Frameworks/Systems developer.

Spring: MVC, Security, WebFlux
My hobbies are boxing and tennis.
(WebClient), Boot, Data JPA
Persistence frameworks: Hibernate
Miscellaneous: Lombok Languages:
Database: MySQL, PostgreSQL, English (B1),
MongoDB Ukrainian,
Unit testing frameworks (JUnit, Russian.
Mockito)
Experience in Jira, Maven, Git, EDUCATION
Google API, 2GIS, OAuth2, Apache
POI, Postman, SonarQube, Spotify University of Customs and Finance
API, OpenAI API, Ngrok, MinIO, Bachelor of Science in Software Engineer
REST API Attended from Sept. 2019 to June 2023
Docker (Docker Compuse)
Redis
AWS (S3, EC2)
HOW TO REACH ME
Socket
[відкрити контакти](див. вище в блоці «контактна інформація»)
Operating System [відкрити контакти](див. вище в блоці «контактна інформація»)
Telegram: @Nlesnikov
MacOs
Windows [відкрити контакти](див. вище в блоці «контактна інформація»)
Linux
 MIDDLE JAVA DEVELOPER
EXPERIENCE
PROAREA
www.proarea.com

01/2022 – till present
Projects

CRM system for restaurants (no real name because of NDA)
The system is written on the basis of multi-tenant data architecture. The system includes such
items as: Security system; Dashboard; Menu (workshops, categories, ingredients, semi-finished
products, technical cards, goods); Warehouse (suppliers, supplies, inventory, leftovers ,
write-off); Employees (schedules for employees)
The system was developed for a client with a chain of restaurants
Technologies & tools: Java, Spring: Boot, Data, Security, Postgres, AWS Services: EC2, S3,
Docker Compose, Lombok, Microservices architecture, Swagger, Maven, Multi-tenant,
JUnit, Mockito

Babysitter & Parents app (no real name because of NDA)
The app is designed for babysitters and parents. Users are divided into two categories:
babysitters, who provide services, and parents who need a sitter for their child.
Technologies & tools: Java, Spring Boot, Postgres, AWS Services: EC2, S3, Docker Compose,
Lombok, Swagger, Socket, Microservices architecture, JUnit, Mockito, Maven

Spotify Filters (no real name because of NDA)
The application is a gateway to Spotify. The application allows you to fine-tune various filters
for finding. App is a playlist generator that allows Spotify users to create playlists according to
very specific and fine-tuned criteria. App uses a special algorithm that scans millions of songs
on Spotify to create playlists based on your preferences!
App Filters: Mood Filters - Electronic / Acoustic, Mello; Energetic, Sad / Happy, Chill /
Danceable, Popular; Obscure; BPM; Vocal / Instrumental; Studio / Live; Genre;
Musical Filters - Major / Minor, Tempo, Key
Technologies & tools: Java, Spring: Boot, Data, Security, Postgres, Microsoft Azure, Docker
Compose, Lombok, Swagger, Spotify API, Maven

Memory pocket diary (no real name because of NDA)
The application is designed for quick access to memories and thoughts. The application interacts
with artificial intelligence based on OpenAI. The application is able to remind, prompt and
communicate with the user.
Technologies & tools: Java, Spring: Boot, Data, Security, Postgres, AWS Services: EC2, S3,
Docker Compose, Lombok, Swagger, Maven
 JUNIOR JAVA DEVELOPER EXPERIENCE
LLC"OMEGA"
https://varus.ua/uk

06/2020 – 01/2022

Projects

Scheduled unloading of goods (no real name because of NDA)
Development of a project related to unloading data about goods in stores from a resource,
in accordance with certain regulations, forming them into Google Sheets and Excel tables
with a given structure and uploading them to Google Drive and nCloud.
Technologies & tools: Java 14, Spring (mvc, boot, security, data), Lombok, Maven, JUnit,
Mockito, Gitlab, Swagger, Google Sheets, Google Drive, Sardine, Apache POI.

Inventory (no real name because of NDA)
Development of a project related to office inventory.
Functional: Server and client authorization with Keycloak server, viewing your inventory,
inventory transfer, inventory acceptance, changing inventory, data adding and removing
photos.
Technologies & tools: Java 14, Spring (mvc, boot, security, data), PostgreSQL, Lombok,
Maven, JUnit, Mockito, Gitlab, Swagger, SonarQube.

Motivation (no real name because of NDA)
Development of a project for calculating motivation for employees of the IT department for
data analysis from Jira.
Technologies & tools: Java 14, Spring (mvc, boot, security, data), MongoDB, Lombok,
Maven, JUnit, Mockito, Gitlab, Swagger, SonarQube, Jira API.

Electronic tablets (no real name because of NDA)
Development of API for electronic tablets for cooking in stores.
Technologies & tools: Java 14, Spring (mvc, boot, data), MongoDB, Lombok, Maven, JUnit,
Mockito, Gitlab, Swagger.

Internal website (no real name because of NDA)
Development of a new internal website for VARUS.
Technologies & tools: Java 14, Spring (mvc, boot, security, data), PostgreSQL, Lombok,
Maven, JUnit, Mockito, Gitlab, Swagger, SonarQube.
 TRAINEE JAVA DEVELOPER EXPERIENCE
FREELANCE
03/2020 – 05/2020

Projects

Auth module
Developed Spring / JPA applications with role-based authorization and access rights on the
Maven / Spring MVC / Security / REST /Boot /Java 8: implementation of persistence to MySQL
databases based on Spring JBDC, Spring-Data-JPA

User interaction module
Developed Spring Enterprise applications for keeping track of company employees (add, save,
delete, update) based on roles on the Maven / JSP / Spring MVC / AOP stack. Implementation of
persistence in PostgreSQL based on Spring JBDC, JPA (Hibernate)