Contact information

You can get this candidate's contact information from https://www.work.ua/resumes/7113848/

Work experience

Python Backend Developer

from 01.2024 to 05.2026 (2 years 5 months)
Dexnet Information Technology Co., Дистанційно (IT)

• Owned backend development for high-load fintech system handling transaction-heavy
workflows
• Designed and implemented scalable REST APIs using Django and FastAPI
• Built and optimized payment and transaction flows with focus on idempotency, data
consistency, and fault tolerance
• Designed microservice-oriented architecture and contributed to system-level decisions
• Developed asynchronous processing pipelines using Celery and Redis for background jobs
and integrations
• Implemented webhook and callback systems for external providers (payment systems,
blockchain APIs)
• Integrated multiple third-party services, including payment providers and blockchain
platforms
• Optimized PostgreSQL queries and database schemas for large datasets and high-load
scenarios
• Improved system performance and reduced response times through database and query
optimizations

Back end програміст

from 04.2023 to 02.2024 (11 months)
Upwork, Київ (IT)

• Developed production backend systems, automation services, and AI-powered
applications for client and independent projects
• Built AI agents and LLM-powered backend workflows using OpenAI and Anthropic APIs,
including function calling, tool integration, structured outputs, and multi-step agent
workflows
• Developed real-time conversational voice assistants integrating STT, LLM, and TTS
components
• Worked with LiveKit for real-time voice communication and audio streaming, integrating
Deepgram for speech-to-text and ElevenLabs for text-to-speech
• Designed asynchronous and event-driven backend pipelines for processing real-time AI
and voice interactions
• Integrated AI services with backend APIs, databases, WebSockets, third-party platforms,
and business workflows
• Developed scalable backend systems, automation tools, parsers, and data processing
pipelines for large datasets
• Optimized data processing systems for performance, reliability, and fault tolerance

Python Backend Developer

from 07.2021 to 04.2023 (1 year 10 months)
SmartPipl, Запоріжжя (IT)

• Developed and maintained backend features using Django and Django REST Framework
• Designed and built REST APIs for web applications and internal services
• Integrated third-party APIs and external services
• Designed and optimized relational database schemas (PostgreSQL/MySQL)
• Improved query performance and reduced response times
• Worked with Docker for containerization and deployment setup
• Participated in system architecture decisions and feature planning

Python Backend Developer

from 01.2021 to 06.2021 (6 months)
Upwork, Дистанційно (IT)

• Developed backend systems and data processing pipelines for large-scale data handling
• Worked with large datasets (hundreds of thousands to millions of records), focusing on
performance and scalability
• Built automation tools and backend services for business workflows and data collection
• Designed and implemented parsers and data extraction systems for complex structured
and unstructured sources
• Optimized data processing and scraping systems for speed, reliability, and fault tolerance
• Delivered production-ready solutions tailored to client requirements
• Worked directly with clients: gathered requirements, proposed solutions, and delivered
end-to-end implementations

Інженер-конструктор

from 09.2019 to 07.2021 (1 year 11 months)
Electrowerty, Запорожье (Енергетика)

Сборка батарей для электротранспорта

Education

НУ"ЗП"

Публічне управління та адміністрування
Unfinished higher, from 2019 to 2023 (4 years)

Knowledge and skills

• Python
• Django
• Git
• Linux
• PostgreSQL
• Docker
• Django Rest Framework
• JSON
• Nginx
• REST
• JavaScript
• SQL
• HTML
• CSS
• FastAPI
• MySQL
• Docker Compose
• Celery
• Redis

Language proficiencies

• English — average
• Ukrainian — fluent