Олексій

OLEKSII KRYVENKO
Junior Software Engineer (Java+Python)

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Linkedin Kyiv, Ukraine
(onsite/relocate/remote)
Telegram

EDUCATION ABOUT ME
Junior Java Developer with solid experience in building both
microservices and monolithic applications. Skilled in data
Software Engineer management using JPA and Hibernate, with a strong understanding
of relational databases. I also have experience working with NoSQL
databases such as MongoDB. I have hands-on experience designing
and developing RESTful APIs, as well as integrating with third-party
State University of services. Additionally, I have a good command of Python and can
Information and switch between Java and Python depending on the task
requirements.
Communication
Technology WORK EXPERIENCE
Java Software Engineer 2022 - 2025
2023 - 2027 Innovecs | Kyiv
As part of the Corporate Systems team, I’m responsible for designing and
maintaining internal services and data pipelines to ensure seamless integration
SKILLS between various third-party platforms and the company’s data warehouse. My
main responsibilities include:
Java core Designing and developing microservices to automate and optimize existing
business processes.
Spring boot Integrating and synchronizing data flows from external services such as
Microsoft, Jira, Greenhouse, and Zoho People into the internal infrastructure.
Optimizing and refactoring existing internal applications to improve
Hibernate performance and reliability.
Independently deploying and maintaining applications on Ubuntu-based
SQL , POSTGRESQL servers.
Communicating directly with stakeholders to clarify requirements and quickly
OOP Designs implementing requested changes.
Seamlessly switching between tasks and managing multiple projects
simultaneously, while ensuring high standards of quality and system reliability.
MongoDB
I also have hands-on experience working with the Jira API and other third-party
integrations, which helps deliver fast and efficient solutions tailored to business
Psycopg2 needs.

REST API
ADDITIONAL EDUCATION
API architecting
Books
Kafka Robert Martin - Clean Code
Robert Martin - Clean Architecture
Spring Security
O’REILLY - Learning Java
Microsoft Azure
Kong Unirest
Courses
Udemy - Java course , Spring boot course
Asyncio
Coursera - Google cybersecurity
Microservices Additional resources
Python Bealdung
Aiohttp w3schools - SQL , Python

English B2 (Upper-Intermediate)