Dmytro Kolesnyk
Ruda Śląska
Summary
I like working in the team, communicating, finding together solutions for difficult issues. I constantly expand my professional knowledge and quickly adapt to new technologies by reading documentation and exchanging experiences with colleagues.
I am in Poland from September 2023. Here I have status “UKR”.
Overview
11
11
years of professional experience
Work History
Backend Developer
CPCS (Ukraine)
02.2022 - Current
CPCS — ukrainian IT company, position backend developer Python/Java
Projects:
- Hearst Media OS: I worked on Hearst's projects as contractor. I was in Search Team. I participated in supporting and improvement service which is search engine for lots of sites: www.cosmopolitan.com, www.elle.com, www.delish.com, www.caranddriver.com and many others (over 200 sites). Technologies: Python, falckon, FastAPI, Pandas, ElasticSearch, OpenSearch. Amazon SNS, SQS.
- Safeesteem: www.safeesteem.com. Application for estimation of personal risks for any place in world (mostly for traveling). Technologies: Java, Spring Boot, JPA, Maven.
- Cerber: www.cerber.cpcs.ws. Project of company I am currently working on. Designed for managing projects of IT companies and resources spent for them, tracking employee working hours. Technologies: Python, FastAPI, Postrges, Alembic, SQLAlchemy.
Developer of 1C Accounting Systems
Quick Solutions (Ukraine)
01.2013 - 01.2022
Development and support of accounting system 1C.
Companies I've worked with:
- Russian Railways
- Moscow Treasury
- Electrical manufacturer https://elevel.ru/
- ... and many smaller companies during this period.
Education
High School Diploma -
Sumy State University
Sumy, Ukraine05.2011
Skills
- Python: FastAPI, Pandas, SQLAlchemy
- Java: Spring boot, JPA, Hibernate, Maven
- Postgres
- ElasticSearch, OpenSearch
- Docker, Docker-compose
- Git, GitHub
- Proficient in RESTful APIs
- Experience with API documentation
- My knowledge without practical experience (can work as junior): HTML, SCC, JS, NodeJS, React, Apache Spark, Kafka, Kubernetes
Languages
Ukrainian, Russian
Native language
English
Upper intermediate
B2
Polish
Intermediate
B1
Turkish
Intermediate
B1
Timeline
Backend Developer
CPCS (Ukraine)
02.2022 - Current
Developer of 1C Accounting Systems
Quick Solutions (Ukraine)
01.2013 - 01.2022
High School Diploma -
Sumy State University
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