Денис

THE SOFTWARE
YOU WOULD LOVE

Professional Summary
A highly motivated and experienced Back-End Developer with over 5 years of hands-
on experience in building scalable, secure, and maintainable systems. Den is proficient
in Python, Django, DRF, FastAPI, and AWS infrastructure, with a strong focus on
backend performance, clean architecture, and reliable integrations. He has
contributed to several AI-driven products, implementing chatbot functionality, speech
recognition, text-to-speech, and call transcription features. In the healthcare domain,
he has developed internal tools for clinical teams and integrated with third-party
platforms to enhance operational workflows. With a degree in Cyber Security and a
solid grasp of SQL, Docker, Git, and cloud services, Den combines technical depth
with a pragmatic mindset. He thrives in agile environments, communicates effectively
with both tech and business stakeholders, and takes ownership of the entire
development lifecycle - from discovery to deployment.

Denys B.
Experience
BACK-END DEVELOPER
Job Experience: 5+ years Technologies:
BACK-END DEVELOPER
Python, Django, FastAPI, Docker, Git, HTTP,
Amazon Web Services, MySQL, SQL,
WeSoftYou
Skills Set October 2024 – present
PostgreSQL, NGIN X, DRF, Celery

Languages & Technologies: PROJECTS RESPONSIBILITIES
Python, SQL, HTTP, Git, Docker, NGINX
PROJECT 1: A Pitchbook / G2-like platform Providing solutions, bug fixes, and technical
Frameworks & Tools:
focused on HR technology vendors. A search initiatives to support problem-solving
Django, Django REST Framework (DRF),
engine for Work Tech vendors with features Developing and implementing high-
FastAPI
that let vendors maintain parts of their profile performance REST APIs
Cloud & DevOps:
and lets other users search for and see that Meeting with the development team to
Amazon Web Services (AWS) - Lambda,
information. The platform includes AI-powered discuss backend architecture, UI, and
DynamoDB, S3, SQS, SNS, Step Functions
Serverless Architecture, Microservices functionality such as a chatbot for user business requirements
Databases: assistance, automated web scraping to enrich Monitoring and improving
PostgreSQL, MySQL, OLAP/OLTP systems vendor data, as well as text-to-speech, backend/database performance
AI & ML Tools: speech-to-text, and call transcription Debugging and troubleshooting application
ChatGPT (OpenAI), Claude Code capabilities to enhance accessibility and code and system behavior
(Anthropic), Cursor research automation. Building projects from scratch, including
backend architecture and integrations
PROJECT 2: A specialised storage solution Preparing and updating technical
designed to maintain optimal temperature and documentation
English:
humidity levels for cigars, cannabis, and other Leading a team: task prioritization, planning
Upper-Intermediate
products, ensuring proper aging and feature development, refining requirements
preservation. The project includes a mobile with clients, and setting up internal
Education
application with a user-friendly interface, processes
State University of Life Safety, Lviv providing seamless access to monitoring and Handling demo presentations of
2014-2017 control features. To ensure a smooth transition implemented features
to production, a structured deployment Active communication with clients during
Baachelor’s Degree in Cyber Security
strategy and comprehensive technical sync calls
documentation support scalability and
maintenance. Rigorous quality assurance
processes validate software performance and
compliance with initial requirements before
release.
PROJECTS

PROJECT 3: An internal set of products
aimed at revamping administrative and
customer management systems within the
beauty and personal care industry. It focuses
on streamlining appointment scheduling, staff
coordination, and product reordering. Key
enhancements include real-time data
integration, automated booking
functionalities, and improved system
performance. The suite features an intuitive
admin interface, addressing operational
inefficiencies and enhancing the user
experience for both administrative staff and
customers managing custom blend orders.

BACK-END DEVELOPER

Gather CPass Technologies:
Sep 2023 - October 2024 Python, Django, FastAPI, Docker, Git,
HTTP, Amazon Web Services, MySQL,
PROJECT 1 SQL, PostgreSQL, NGIN X, DRF, Celery

The main goal of the project is the opportunity
to use terminals, organize Docker containers,
monitor other users' files, and use manual file RESPONSIBILITIES
transfer protocols.
Bug fix
PROJECT 2 Code review
AI Healthcare Platform: Worked on a platform Network communication
for healthcare professionals with AI-powered Backend development, API design
features such as chat and voice assistance, Streaming platform, architecture
transcription, and integration with medical data Payment integration, PayPal API
systems. Active communication with Client
Providing possible solutions and ideas to
PROJECT 3
deal with problems/challenges/tasks;
Create a streaming platform.
Implementing features, bug fixes,
BACK-END DEVELOPER refactoring, test writing, and
documentation;
TvStartUp
Monitoring and optimizing application
Fab 2023 - Sep 2023
performance;
PROJECTS Active communication with a Client at
sync calls;
Fix bugs and integration with Scale Engine Mentoring junior developers and
Service. transferring project knowledge
Integration Paypal payment on platform.

BACK-END DEVELOPER
Karus Starter
Jan 2022 - Fab 2023

PROJECTS

KSM Starter leverages the power of the
community to decentralize fundraising for
emerging substrate projects, kick-starting
future projects in the most promising
ecosystem.
Mysterious NFT
TECHNOLOGIES
Jan 2020 - Jan 2022
Python, Django Rest Framework
PROJECT 1
RESPONSIBILITIES
The main goal of the project is the opportunity
to use terminals, organize docker containers, Responsibilities included developing
monitor other users' files, and use manual file the BE part of the UI interface, as well
transfer protocols. as creating asynchronous tasks to
solve logistical problems.
PROJECT 2 Monitoring, analyzing, and improving
the performance of back-end
Communication platform and trading training. systems and infrastructure;
You have the opportunity to join а chat with а
mentor who will show in real time w hat stocks
he buy and sell.

FULL-STACK DEVELOPER Technologies:
Python, Django, Sanic, FastaApi,
E-commerce platform for restaurants Docker/Docker Compose, ORM, SQL,
Jan 2019 - Jan 2020 REST APIs, NoSQL, React JS

PROJECTS
RESPONSIBILITIES
The platform for assessing the quality of
responsible for new features
service and food in a restaurant works by QR
development
code.
requirements clarification
Ability to view reviews, rating charts, and the
writing unit/integration tests
number of ratings.
communication with stakeholders and
developers from the client team.

Let's work together
on your next project