Oleksandr

Oleksandr Stoika
Back-end Developer
[відкрити контакти](див. вище в блоці «контактна інформація»)
[відкрити контакти](див. вище в блоці «контактна інформація»)
[відкрити контакти](див. вище в блоці «контактна інформація»)

Professional summary
Back-End Developer with more than 4 years of experience in creating and supporting strong
and scalable web applications. Skilled in building and improving back-end projects using
Java, Spring Boot, and related technologies, with a focus on clean code, good performance,
CI/CD, containerization, and cloud services.

Experience
Back-end Developer
InventorSoft.co · Full-time · Oct 2020 - Nov 2024

Skills & Abilities
Programming languages Technologies/Databases
Java Postgresql
Python MySql
JavaScript Servlets
Junit
Frameworks/Libraries
Spring Others
Hibernate git
JDBC Docker
JSP Jenkins
Flask google cloud services

Languages
Ukrainian - Native
English - Upper-Intermediate(B2)

Project Experience
Back-End Developer
Daly Energy (United States)
The project is in the field of renewable energy, specifically solar and energy storage
modeling. It serves as a management tool for optimizing solar energy systems and
battery storage solutions. The project includes a web-based platform and API
integrations with various analysis tools. The functionality covers performance analysis
and forecasting, predictive analytics, and analysis of energy production, storage
efficiency, and overall system performance. Additionally, it provides predictive reporting
with automated and customizable reports on projected system performance, energy
savings, and environmental impact based on predictive analytics. Team size: 5
developers.

Stack of technologies: Java, Spring Boot, Hibernate, PostgreSQL, Junit, REST, Liquibase,
Docker, Google services, Nginx, Jenkins.

Role: Set up and led the architecture of the project. Designed and implemented OAuth
authentication, permission management, and cookie handling services. Developed
RESTful APIs, wrote unit and integration tests, resolved bugs, and managed CI/CD
Education
Husiatyn TNTU college, Junior Specialist of Software Engineering
2013 - 2017

Ternopil Ivan Puluj National Technical University, Software Engineering Bachelor’s degree
2017 - 2019

Ternopil Ivan Puluj National Technical University, Biomedical Engineering Master’s degree
2019 - 2020

Husiatyn TNTU college, Professional Junior Bachelor of Management and administration
2022 - 2025