Dmytro

Dmytro Kovalenko
Python Developer
Kyiv, Ukraine • [open contact info](look above in the "contact info" section) • [open contact info](look above in the "contact info" section) • Telegram:
@seniorpomod • Age: 23

Summary

Experienced Python developer with over 3 years of commercial experience in building
scalable web applications, APIs, and automation scripts using Django, FastAPI, and Se-
lenium. Proficient in designing and optimizing database interactions with PostgreSQL,
MySQL, and MongoDB, as well as implementing CI/CD pipelines and containerized en-
vironments with Docker. Skilled in microservices architecture, task queues (Celery,
RabbitMQ), and cloud platforms (AWS). Adept at collaborating in Agile teams, deliv-
ering measurable results, and solving complex technical challenges. Fluent in English
(Intermediate, B2) with a focus on clear communication and continuous learning.

Skills

• Programming Languages: Python (3.8+), JavaScript (ES6+)
• Frameworks: Django, Django Rest Framework, FastAPI, SQLAlchemy, Alembic
• Databases: PostgreSQL, MySQL, MongoDB, Redis (caching, queues)
• Tools & Technologies: Git, Docker, Docker Compose, CI/CD, AWS (RDS, Elasti-
Cache), RabbitMQ, Celery, JWT, PyTest, Unit Testing, Selenium, Playwright, 2Captcha,
SMS-activators
• Methodologies: Agile (Scrum), TDD, SOLID, DRY, Clean Architecture
• Other: REST API development (OpenAPI/Swagger), microservices, Linux, Jira, Mi-
crosoft 365, Grafana, n8n (automation), eHealth API
• Soft Skills: Team collaboration, analytical thinking, problem-solving, proactive learn-
ing

Professional Experience

Python Developer
TechFlow Solutions (International SaaS provider, logistics domain)
Kyiv, Ukraine • Jun 2022 – Present
• Developed and maintained scalable REST APIs using FastAPI and Django Rest Frame-
work, increasing API response time by 25% through query optimization and Redis
caching.
• Designed and implemented microservices architecture for a logistics platform, reduc-
ing system latency by 15% via efficient task distribution with Celery and RabbitMQ.
• Automated account registration processes using Selenium and Playwright, integrat-
ing 2Captcha and SMS-activators, ensuring 95% success rate in verification work-
flows.
• Integrated PostgreSQL and MongoDB databases, optimizing data retrieval processes,
which improved data processing speed by 30%.
• Configured CI/CD pipelines with Git and Docker, enabling 20% faster deployment
cycles.

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• Implemented REST API with OpenAPI/Swagger for external integrations (including
eHealth API), adhering to Clean Architecture principles (SOLID, DDD).
• Collaborated in an Agile team of 5 backend developers, 3 frontend developers, 2 QA
engineers, and 1 PM, participating in sprint planning, daily standups, and code re-
views.

Junior Python Developer
GlobalBuild Systems (Construction tech company)
Remote • Sep 2021 – May 2022
• Built and optimized Django-based web applications for construction project manage-
ment, reducing page load times by 20% through database indexing and caching.
• Contributed to database migrations using Alembic and SQLAlchemy, ensuring seam-
less updates for a PostgreSQL database with zero downtime.
• Developed automation scripts with n8n and Python, streamlining internal workflows
and saving 10 hours of manual work weekly.
• Wrote unit tests using PyTest, achieving 85% code coverage for critical modules.

Education

Bachelors Degree in Computer Science
Taras Shevchenko National University of Kyiv, Kyiv, Ukraine • 2018 – 2022

Additional Information

• Languages: English (Intermediate, B2), Ukrainian (Native), Russian (Fluent)
• Certifications: AWS Certified Developer – Associate (2023)
• Availability: Ready to work in an office in Kyiv or remotely, depending on company
needs.
• Reason for Leaving Previous Roles: Relocation of previous companies due to geopo-
litical changes.

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