Oleksii

OLEKSII
PARKHOMCHUK

E-Mail: [open contact info](look above in the "contact info" section)
Telephone: [open contact info](look above in the "contact info" section)
Telegram: @iwwmz

TECH SKILLS EXPERIENCE
__________ __________

• Languages: Python, JavaScript Backend Developer
exist.ua/2407.pl/exist.ae - February 2025 -
• Frameworks: Django/DRF, FastAPI
Nowadays
• Databases: MySQL, PostgreSQL, Redis,
ElasticSearch Responsibilities:
• Deploy: Docker-Compose, GitHub Actions,
●​ Built and maintained a multi-site,
Digital Ocean, Heroku, Sentry, Sphere, multi-language e-commerce backend on
Kuber,Grafana, Jenkins Django/DRF.
●​ Led release management and
• Libraries: Pytest, Celery,
production deployments for the web
• Practices: OOP, KISS, DRY, GOF platform (CI/CD, monitoring, safe
rollbacks).
●​ Monitored and optimized performance
SOFT SKILLS
(profiling, SQL/ES query tuning,
__________ Redis/cacheops caching).

Achievements:
• Proficient in: working under uncertain conditions
with a shortage of time ●​ Built and maintained a multi-site,
• Skilled in: task management, as well as in multi-language e-commerce backend on
planning the work schedule Django/DRF.
●​ Shipped SEO reviews module with
• Experienced in: business communication and in
SSR/CSR and smart filtering by rating, text
working with objections length, and stock.
●​ Integrated PayPal Tracking
(/v2/checkout/orders/{id}/track) and 1C
via internal APIs.
EDUCATION
●​ Implemented end-to-end TTN delivery to
__________
PayPal for shipped, paid orders.

National Aviation University
Years of education: 2011-2016
Department: biomedical
Major: medical engineering
Degree: master
 Full-stack Developer
LANGUAGES T.H.E. Capital / March 2024 - December 2024
__________
Responsibilities:

Ukrainian: native
●​ Telegram Bots: Extended the functionality
English: Upper- Intermediate
of the scenario builder for Telegram bots
in Python by adding new features and
HOBBIES
optimizing performance.
__________
●​ Internal HRMS System: Contributed to the
development of an internal HRMS system
Play: at an amateur futsal team
built with Django. Utilized Django Admin
Learn: business essentials
for efficient data management and
customized admin interfaces.
●​ Web Development: Designed and
developed responsive websites optimized
for both desktop and mobile platforms.
●​ Performance Optimization: Improved
website load times by optimizing
server-side and client-side rendering,
reducing redundant requests, and
streamlining codebases.
●​

Achievements:

●​ Successfully completed and launched a
Telegram chat bot constructor

Backend Python Developer​
Heaven Group / June 2022 – February 2024

Responsibilities:

●​ Full-Cycle Development: Designed and
developed the project from scratch,
managing both the back-end and
front-end independently.
●​ Back-End Development: Built a robust
back-end using Django and Django Rest
Framework (DRF) to handle complex
business logic and API integrations.
Designed efficient database structures
 and used Django ORM to interact with
PostgreSQL.
●​ Front-End Development: Implemented a
dynamic and user-friendly front-end using
Angular, creating responsive components
and ensuring seamless user experience.
●​ Deployment and Server Management:
Deployed the project on DigitalOcean.
Configured servers for optimal
performance, scalability, and security.
Automated CI/CD pipelines for testing
and deployment.
●​ Optimization: Fine-tuned server
configurations and database
performance to handle high traffic and
ensure system reliability.

Achievements:

●​ Successfully deployed the project on
DigitalOcean with optimized server
configurations and seamless CI/CD setup.
●​ Delivered a fully functional platform that
became the company’s primary tool for
business operations.