Михайло

Tonkoshkura Mykhaylo, M.Sc.
Middle Python Backend Developer
[open contact info](look above in the "contact info" section) • [open contact info](look above in the "contact info" section) • GitHub • LinkedIn • Kyiv, Ukraine

CAREER PROFILE:
Python Software Engineer with over 4 years of commercial experience in
backend development, system optimization, and mathematical modeling. Specializing
in building scalable, asynchronous REST APIs, microservices, and distributed
systems using Python. Proficient in modern backend frameworks (FastAPI, Flask)
and infrastructure tools (PostgreSQL, Redis, Docker, cloud platforms). Possess a
strong analytical background with a Master's degree in Physics, enabling effective
problem-solving, implementation of secure architectures, and algorithm optimization
for complex technical challenges.

WORK EXPERIENCE:
ByMyBooks, Kyiv
Python Developer, June 2025 - Present
Tech: Python, FastAPI, Flask, PostgreSQL, Redis, Uvicorn, Docker, Git
• Architected and deployed scalable RESTful APIs using FastAPI and Uvicorn,
significantly improving service response times.
• Built asynchronous endpoints and optimized complex PostgreSQL database models
for efficient data retrieval.
• Integrated Redis for caching and utilized Docker for containerization, ensuring
reliable and fast application deployment.

TaskMaster Pro (Open-Source, https://task-master.pro), Kyiv
Python Backend Developer, November 2025 - Present
Tech: Python, Flask, PostgreSQL, SQLAlchemy, Docker, Pytest, CI/CD (GitHub
Actions)
• Architected a fully containerized task management platform using Flask and
Docker, establishing automated CI/CD pipelines via GitHub Actions for seamless
deployment.
• Designed optimized relational database models with SQLAlchemy and PostgreSQL,
implementing REST APIs to handle complex entity relationships and calendar
integration.
• Engineered robust security protocols, including scrypt password hashing and rate
limiting, while maintaining high system reliability with 85% test coverage using
Pytest.
Fornova, Vinnytsia
Support Engineer, June 2022 - June 2025
Tech: Python, JavaScript, GCP, AWS, Grafana, MongoDB, Cassandra, Bitbucket
• Improved system performance and reliability through code enhancements and
refactoring.
• Executed database query optimizations across MongoDB and Cassandra, decreasing
data retrieval latency.
• Debugged and optimized large-scale distributed systems and cloud infrastructure.
• Monitored real-time data flows and managed system health using Grafana, ensuring
high availability.

Kendoo, Kyiv
Game Developer / Mathematician, August 2023 - February 2025
Tech: Python, GitLab, Jira, Linux, Jenkins
• Developed mathematical models and game mechanics for slot games.
• Built automation tools to collect and analyze gameplay data.
• Performed statistical modeling to estimate probabilities and event outcomes.

Learning-Log, Kyiv
Python Developer, November 2020 - June 2022
Tech: Python, Django, SQLite, HTML, CSS
• Developed the core educational platform backend.
• Implemented models, views, and user workflows, laying the groundwork for reliable
API integrations.

EDUCATION:
T. Shevchenko National University - Master’s Degree in Physics, 2004 - 2006
• Participant of the All-Ukrainian Physics Olympiad.
• Winner of the All-Ukrainian University Physics Olympiad.

SKILLS:
Languages: Python, JavaScript, SQL
Backend & API: FastAPI, Flask, Django, SQLAlchemy, Pydantic, REST API
Databases: PostgreSQL, MongoDB, Cassandra, SQLite, Redis
Cloud & DevOps: AWS, GCP, Docker, CI/CD (GitHub Actions), Jenkins, Grafana
Tools & OS: Git (GitHub, GitLab, Bitbucket), Linux, Jira, Pytest, Swagger, Postman
Other: Algorithms, Statistical modeling, Uvicorn, Web Security