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Work experience

Python developer (Django, FastAPI)

from 09.2024 to 06.2025 (10 months)
Kauri.One, Дистанційно (IT)

• Contributed to most stages of a web-based fintech payment platform, serving enterprise and standard clients, and delivering customized solutions on dedicated servers.
• Transformed ideas and requirements into high-performance, scalable, and customizable software solutions.
• Analyzed and optimized existing services; designed and developed new services from scratch.
• Integrated third-party services and APIs (e.g., payment providers, debit card providers, SMS providers, KYC platforms).
• Wrote and maintained internal and external technical documentation.
• Collaborated with cross-functional teams, including financial department, Support, QA, Frontend, and Backend.
• Participated in code reviews and daily Scrum team routines
• Cooperated with the QA team to ensure comprehensive testing and smooth release cycles.
• Developed unit and integration tests, conducted manual testing, and deployed to test/staging via Jenkins.
• Analyzed application logs on staging and production environments using Graylog.
• Investigated and fixed production bugs; applied performance improvements.
• Communicated with enterprise clients during their integration process, supported enterprise client integrations by
configuring and maintaining custom testing and staging environments.

Python developer (Django)

from 09.2020 to 10.2023 (3 years 2 months)
Arsmoon, Вінниця (IT)

• Analyzed business and technical requirements for a startup project built from scratch, including a web trading terminal integrating multiple exchanges, offering chart-based trading, analytics, trader diary, risk management, and other trading tools.
• Reviewed and contributed to the creation of technical documentation.
• Participated in task planning and time estimation.
• Implemented and maintained a microservices-based web application.
• Integration with crypto exchange APIs, other external APIs, and services.
• Performed manual testing and wrote unit tests (Test-Driven Development).
• Performed application performance analysis and optimization, among other things using system metrics monitored with Prometheus and Grafana.
• Participated in code reviews.
• Collaborated and communicated effectively with team members.

Python developer (Flask)

from 08.2017 to 12.2019 (2 years 5 months)
Optimo development, Інші країни (IT)

• Analyzed project documentation and technical requirements.
• Maintained and developed existing monolithic web application and built new one using a microservices architecture.
• Integrated third-party data provider APIs.
• Developed and executed unit tests (Test-Driven Development).
• Participated in code reviews.
• Collaborated with team members and cross-functional teams.
• Participated in weekly sprint planning and daily stand-ups, estimated effort and time required for assigned tasks.

Education

Lodz University of Technology

Software Engineering and Data Analysis. Faculty of Technical Physics, Information Technology and Applied Mathematics, Institute of Information Technology, Lodz
Higher, from 2013 to 2018 (5 years)

Bachelor of Engineering

Knowledge and skills

• Knowledge of OOP principles
• Knowledge of design patterns
• SOLID Principles
• Python
• REST API
• Flask
• Django
• Django Rest Framework
• Asyncio
• Celery
• RabbitMQ
• Redis
• MongoDB
• SQL
• PostgreSQL
• MySQL
• Object Relation Mapping
• SQLAlchemy
• Unit tests
• Docker
• Docker Compose
• Git
• Bitbucket
• GitLab
• Jira
• Confluence
• Scrum
• Користувач ОС Linux
• Pydantic
• Centrifugo
• Microservices
• FastAPI
• Graylog
• GitHub
• REST
• Розробка SaaS-проєктів
• Jenkins
• Postman
• SaaS
• Multiprocessing
• Multithreaded programming
• GitHub Actions
• Redux
• Angular
• TypeScript
• Integration testing
• Знання принципів TDD
• PyTest
• Prometheus
• Grafana

Language proficiencies

• English — average
• Polish — above average

Additional information

Experienced Python Developer with 6+ years of developing high-performance applications. Skilled in web frameworks, relational and NoSQL databases, microservices architecture, and system integration.