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Йожеф
Javascript-розробник
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[
Valencia, Spain [
https://github.com/SteevAtwood [
Organizations
Xored Software Inc, Software Development 07/2023 – 05/2025
2 years of professional experience in the Information Technology industry as a Full Stack
• Valencia, Spain
Developer;
Frontend Development: React, TypeScript, JavaScript - building responsive and dynamic
•
web applications with modern techniques (React Hooks, code splitting, lazy loading, state
management);
Backend Development: Java Spring Framework (Spring Boot, Spring Security) - creating
•
secure REST APIs, authentication/authorization with Keycloak, token-based authentication;
Database: MySQL database design, entity relationships, native SQL, Flyway migrations,
•
MySQL Workbench;
Tools & Integration: Git version control, Postman API testing, payment system integration;
•
Additional Experience: Landing pages development, Linux administrative skills.
•
Recently completed project: Developed a corporate certification platform that enables
companies to assess employee skills and issue digital certificates. Built the frontend using
React and TypeScript, creating intuitive user interfaces for certificate management, skill
assessment workflows, and admin dashboards. Implemented performance optimizations
including code splitting, lazy loading, and efficient state management. Integrated REST APIs
for seamless communication between frontend and backend services. Developed secure
backend infrastructure using Java Spring Framework, Spring Security, and Keycloak for robust
authentication and authorization. Designed MySQL database schemas with entity relationships
and managed migrations using Flyway.
Skills
Programming Languages:
JavaScript, TypeScript, Java, SQL, HTML, CSS
Frontend Technologies: React (Hooks, Context API,
Router), TypeScript, JavaScript (ES6+), HTML5, CSS3,
Web3, AJAX, LocalStorage
Backend Technologies: Spring Framework, Spring Boot,
Spring Security, REST APIs, Keycloak
(Authentication/Authorization)
Databases & Tools: MySQL, Flyway (Database
Migrations), Database Design
Development Tools & Environments: IntelliJ IDEA, VS
Code, Git, GitHub, Linux, Postman
Project Management & Collaboration: Jira, GitHub
Issues
Education
Business Economics, Kherson National Technical University 09/2020 – 12/2021
Master Degree Kherson, Ukraine
Business Economics, National University of Shipbuilding 09/2016 – 07/2020
Bachelor Degree Kherson, Ukraine
Languages
English (B2)
Ukrainian (C2)
Russian (C2)
Spanish (A2)
INTERESTS
Music writing Basketball Skateboarding
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