Максим

Personal Maksym Chalyi
Summary
Ukraine
I am a Java Developer with 1 year of experience, having worked on both monolithic and
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microservice-based projects. In addition to commercial development, I taught at a programming
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school, where I learned how to explain complex concepts in simple terms.
github.com/MaksymChalyi I took part in the Vona Tech mentoring program as a mentee, learning from experienced
developer. I also mentored beginners who are just starting their journey in programming.
in/maksym-chalyi-a8a2172a6
I'm a strong supporter of continuous learning, believing that a developer should always seek
t.me/Maksimka_xxl to learn something new. In the future, I aim to become a Software Architect.

Skills Work experience
Junior Java Developer
Backend: eVorsorge Systems GmbH Jul 2024 - Present
Java 8/11/17 eVorsorge Systems GmbH specializes in software solutions for insurance and financial services
Jakarta EE companies, focusing on automating workflows and improving user experiences.
Spring Framework Responsibilities:
Spring Boot Supported and optimized a large-scale monolithic project, adding new functionalities and
Spring Data JPA/R2DBC improving system performance.
Spring Security Worked on enhancing backend logic to improve user experience and boost system reliability.
Kotlin Participated in sprint-based development, delivering critical features on time.
Database: Collaborated with international teams to resolve critical issues in production environments for
financial clients using RESTful APIs
PostgreSQL
Technologies: Java 17, Spring Framework, Hibernate, MySQL, JSP, JavaScript, HTML/CSS.
MySQL
MongoDB
Intern Java FullStack Developer
Frontend(basic): ProfitSoft Apr 2024 - Jul 2024
HTML/CSS
ProfitSoft develops custom solutions for small and medium-sized businesses, focusing on
JavaScript(React)
employee management, reporting, and internal systems.
Tools: Responsibilities:
Liquibase/Flyway Developed a CRUD system to manage company employee data (create, read, update, delete).
JWT Implemented features for user and company search by ID and integrated statistics generation
Apache Maven/Gradle for internal analytics.
Swagger Designed a microservice using Node.js for verifying data integrity between services via REST
API.
Docker
Built a frontend interface using React for better user interaction and experience.
Git/SVN
Integrated Google login and handled project deployment using CI/CD pipelines.
Soft skills:
collaboration, adaptability,patience Technologies: Java 17, Hibernate, Spring Boot, Spring Data JPA, Node.js; JavaScript, React, HTML,
problem solving, leadership and
CSS; PostgreSQL, MongoDB, Liquibase.
mentorship etc.

Programming Teacher
Languages
ROBOCODE Sep 2023 - Present
English B1 ROBOCODE is a children's programming school that focuses on teaching web development and
embedded systems through hands-on projects and interactive learning.
Responsibilities:
Education
ROBOCODE
Teach is a children'susing
Web programming programming school
JavaScript, where
jQuery, I teach web
HTML/CSS, development
helping and embedded
students build websites
and basic web applications. systems through practical projects.
Bachelor's Degree in Computer
Science Instruct on embedded development with C++ and Arduino, guiding students through building
National Aviation University, Kyiv their first hardware projects.
September 2021 – May 2025 Create hands-on projects to make learning engaging and practical.
Achievements:
Courses Taught children programming from scratch, many of whom had no prior experience in coding.
As a result of my teaching, some students have gone on to study programming in college,
English Standart Course B1 continuing their journey into IT.
Green Forest May 2024 - Sep 2024 Helped students complete functional Arduino prototypes, sparking their interest in technology.
Java (HTTP. Servlets; SQL; JDBC;
Backend Developer (Personal Project) DigiDive
Apache Maven, Hibernate
DmDev Sep 2023 - Dec 2023 DigiDive is an e-commerce platform I’m building in my free time to boost my backend skills.
Responsibilities:
Java 17 Masterclass Developing a scalable backend with a focus on database management and access control.
Udemy Jun 2023 - Sep 2023
Tackling real-world challenges in building a functional e-commerce system.

Technologies: Java 17, Spring Boot/ WebFlux/ Security, Spring Data R2DBC, Flyway, JWT, PostgreSQL.