Денис

DENYS YAKUSHKO
Python Developer
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section)
Telegram: Otto_von_Habsburg Lviv, Ukraine

SUMMARY SKILLS
I have over 2 year of experience in Python development. I participated in the
Python Django / DRF FastAPI
development of a projects related to health care, managment and big data
processing for a US-based company. My technical knowledge and teamwork
skills enable me to contribute to the development and creation of software JavaScript Docker SQL
products.
PostgreSQL MySQL SQLite

EXPERIENCE
SQL Server AWS DynamoDB
Middle Python Developer
Quantiveil MongoDB SSIS SQLAlchemy
02/2026 - Present Lviv, Ukraine
• Development and optimization of a backend service for processing Celery Redis RabbitMQ PyTest
personal and private data with an emphasis on scalability and automation.
• Built and maintained Python-based services to support operations, Git Stripe Pandas NumPy
reporting and personal & private data processing.
• Designed and improved ETL pipelines for processing and analyzing large
datasets. CI/CD LangChain LangGraph
• Integrated third-party APls and internal systems to streamline business
workflows.
OpenAI API
• Implemented RAG-based features using OpenAI API, optimizing data
pipelines to achieve a 16% speedup in vector data processing.
• Collaborated with QA, DevOps, and business teams to deliver secure, high-
quality solutions. EDUCATION
Strong Junior Python Developer Master of Computer Applications -
Quantiveil MCA, Computer Science
02/2025 - 02/2026 Lviv, Ukraine Lviv Polytechnic National University
• Collaborated with a team to replace SSIS packages with Python scripts, 09/2022 - 01/2024 Lviv, Ukraine
which optimized ETL processes for business reporting and provided more
flexible data processing. Bachelor's degree, Computer Science
• Developed and implemented effective test cases, including unit tests, to Lviv Polytechnic National University
ensure compliance with software development requirements.
09/2018 - 06/2022 Lviv, Ukraine
• Gained experience working in a high-security environment with strict
requirements for code quality and regulatory compliance.
• Optimized SQL queries to increase data processing performance and
reduce operation execution time. LANGUAGES
English Upper-intermediate
Junior Python Developer
Inforce Digital Ukrainian Native
05/2024 - 02/2025 Lviv, Ukraine
• Assisted in backend development of internal tools and client projects using
Python OOP and Django/Django REST Framework.
• Wrote unit tests and contributed to refactoring legacy systems to improve
code quality.
• Learned and applied SQL queries for data retrieval and manipulation.
• Gained hands-on experience with Docker for local development and
containerization.
• Contributed to the implementation of analytical data processing features
for tracking student performance in online courses, which resulted in a 18%
increase in course completion rates.