Денис

Denys Kopko
Python Backend / AI Integration Developer (Junior)

Proactive Backend Developer with a solid foundation in AI
integration, a foundational understanding of frontend
technologies (HTML/CSS) for seamless API integration, and hands-
Personal Info
on experience building fault-tolerant, polyglot database systems.
[open contact info](look above in the "contact info" section),
Demonstrates a strong self-start mindset, having mastered Python
[open contact info](look above in the "contact info" section)
fundamentals through technical literature prior to completing a
[open contact info](look above in the "contact info" section) rigorous, Germany-certi ed "Python Developer+KI" program (1434
Nationality academic hours) with straight "Very Good" grades.
Ukrainian
Date of birth Work Experience
12.09.1997
Independent Software Developer (Personal & Open-Source
Projects), Self-Employed
Links May 2026 - Present
Github Automated Multi-Modal AI Pipeline: - Engineered a closed-loop
Linkedin media pipeline processing voice input (Faster-Whisper on
CPU/GPU) and transforming it into optimized image generation
Telegram
prompts (Stable Di usion v1-5). - Developed a veri cation engine
using a local VLM (Moondream2) to describe generated images
Skills and computed vector semantic alignment scores via Cosine
Python Similarity (NumPy). - Integrated advanced half-precision
calculations (torch. oat16) to decrease GPU memory footprints and
FastAPI set up Tenacity retry-logic rules for fault-tolerant network
requests. Polyglot Movie Search & Filtering Engine: - Scaled a
Django REST
fundamental console-based Python assignment into a high-
Framework
performance web platform featuring automated server-side
Docker rendering (FastAPI, Jinja2). - Combined MySQL (SQLAlchemy ORM)
for core entities ltering and MongoDB handlers to capture async
MySQL
user search tra c on the y to render real-time "Top 5 Popular
MongoDB Searches" widgets

NumPy Graduate Backend / AI Developer, IT Career Hub GmbH
August 2025 - May 2026
AWS Successfully completed an intensive, Germany-certi ed (AZAV)
1434-hour professional development program "Python
Redis
Developer+KI mit Integration in den deutschen IT Arbeitsmarkt"
Git (German profession classi cation: 43413), graduating with overall
grades of "Very Good".
Linux

PyTorch - Full-Stack Development: Developed and deployed a
comprehensive real estate platform using Django REST Framework
Jinja2
for the API and React for the user interface.
HTML5 - Infrastructure & Caching: Programmed multi-container Docker
environments; designed a split-environment architecture using
CSS3
local Django memory caching for development and production
caching via Redis.
Languages - Cloud Deployment: Con gured cloud infrastructure from scratch
on AWS, deploying microservices to EC2 instances and con guring
English
secure Amazon S3 buckets for media asset storage.
German - AI Integration: Developed an intelligent AI agent via Gemini API
that parses user chats, extracts unstructured text preferences,
Polish and returns data in strict nested JSON schemas.
Ukrainian - Peer Mentoring: Selected to lead 2-4 hour technical workshops
for classmates, simplifying concepts around database
Russian optimization, async API paths, and code debugging.

Freelance Webmaster & Content Administrator, Private Client,
Remote
June 2026 - June 2026
- Website Maintenance & Rebranding: Managed the complete
visual rebranding and content migration of a commercial
language school website following a domain ownership change.
- Frontend Customization: Recon gured layouts, optimized legacy
contact structures, and integrated customized portfolio elements
and personal bio data cards.
- Client Management: Handled requirement gathering and aligned
project milestones with the client to deliver the assets strictly
within schedule.

Education

Professional Certi cate (AZAV), IT Career Hub GmbH (Berlin) (Very
Good (1434 academic hours))
August 2025 - May 2026

Hobbies

Chess (strategic and analytical thinking), reading technical
literature and documentation.