Андрій

Oliferchuk Andrew [відкрити контакти](див. вище в блоці «контактна інформація»)

PYTHON DEVELOPER [відкрити контакти](див. вище в блоці «контактна інформація») (Telegram)

LinkedIn

GitHub

Rivne, Ukraine / remote / office

SUMMARY SKILLS
Python Developer with 2 years of commercial experience, focused on backend • Python: Python 3, OOP, typing,
development and data processing. Strong hands-on experience with Python, FastAPI, async/await
Polars, Celery. Worked with MySQL/SQL, Redis, Docker and Linux environments, as • Framework: FastAPI, Pydantic
well as CI/CD using Jenkins. Experienced in developing REST APIs, data-processing • Data Processing: Polars, NumPy, SciPy,
pipelines, background tasks, automated tests and production fixes. Parquet
EXPERIENCE • Workflow: Apache Airflow
• Background Tasks: Celery, Redis
Python Developer • Databases: MySQL, SQL
• Testing: pytest, test automation
Technologies: Python, FastAPI, Pydantic, Polars, Celery, Apache Airflow, MySQL, SQL, • DevOps: Docker, Jenkins, Ansible, Linux,
Redis, pytest, Docker, Linux, Jenkins, Ansible, Git, Bitbucket, Parquet CI/CD
• Developing and maintaining backend services and REST APIs with Python and • Version Control: Git, Bitbucket
FastAPI. • API: REST, Swagger/OpenAPI
• Processing, transforming and analyzing large datasets using Polars and Parquet. ADDITIONAL EXPERIENCE
• Building and maintaining scheduled data workflows and pipelines with Apache Airflow.
• Implementing background and asynchronous tasks with Celery and Redis. Java / Spring
• Working with MySQL and SQL for data access and database operations.
• Developing reporting and data-processing functionality and optimizing existing Previous development experience with Java
workflows. Core, Spring, Spring Security, Spring Data,
• Writing and maintaining automated tests with pytest. Hibernate and MySQL. This experience
• Working with Jenkins and CI/CD pipelines for automated build, testing and deployment strengthened OOP, SOLID, API and
processes. database fundamentals.
• Working with Docker, Linux and Ansible in development and deployment EDUCATION
environments.
• Fixing production issues, implementing new functionality and maintaining existing Khmelnytskyi University of Management
services. and Law named after Leonid Yuzkov
PROJECTS ADDITIONAL EDUCATION
FastApiProjectGitHub Java course — OOP, Java 8+, Spring,
Hibernate
Personal backend project built with FastAPI. Includes REST API endpoints for users Mate academy
and skills, authentication and security, database integration, SQLAlchemy models and
Alembic migrations.
OTHER
Backend REST Services • Solved 70+ coding katas on CodeWars
• Futsal: finalist / prize-winner in local
Development of API endpoints, background processing, scheduled workflows, data
competitions
validation, database operations and automated testing for internal services.