Hello

I do stuff.

About me

Python backend developer, and embedded hardware enthusiast.

Programming for over 6 years, 3 of them commercial. Currently at Fructus-X, where my backends take payments and talk to car chargers.

Contact me

Skills

user@cher.red> tree skills
skills
├── Languages
│ │ ├── Flask [1]Project: histscaff
│ │ ├── FastAPI [3]Project: poc4auth
│ │ ├── Aiogram [2]Project: lecture4text
│ │ ├── Aiohttp
│ │ └── Asyncio
│ ├── Rust
│ ├── C [A]Project: 4lamp2
│ └── C++
├── Hardware
│ ├── Microcontrollers
│ │ ├── ESP32 / ESP8266 [A]Project: 4lamp2
│ │ ├── nRF52
│ │ ├── AVR (Arduino)
│ │ └── RP2040
│ ├── ESP-IDF [A]Project: 4lamp2
│ ├── nRF Connect SDK
│ ├── Zephyr RTOS
│ ├── FreeRTOS [A]Project: 4lamp2
│ ├── BLE
│ ├── Peripherals & Protocols
│ │ ├── GPIO
│ │ ├── UART
│ │ ├── SPI
│ │ ├── I2C
│ │ ├── PWM
│ │ ├── Timers
│ │ └── ADC
│ └── Bring-up & Debug
│ ├── SWD / JTAG
│ ├── Oscilloscope (analog & digital)
│ ├── Multimeter
│ ├── Signal generator
│ └── Logic analyzer
├── Databases
│ ├── PostgreSQL
│ ├── Oracle SQL
│ ├── SQLite
│ ├── MongoDB [2]Project: lecture4text
│ └── Redis [*]Inter-service synchronization at Fructus-X
├── Messaging
│ ├── RabbitMQ [*]Interface with car chargers at Fructus-X
│ └── WebSockets [3]Project: poc4auth
├── AI & LLM
│ ├── Claude Code [*]Daily driver for routine tasks at Fructus-X
│ ├── MCP Server
│ ├── RAG
│ └── Vector Databases
├── Payments
│ └── Monobank API [*]Payment acceptance at Fructus-X
├── Infra & DevOps
│ ├── Docker
│ ├── Nginx
│ ├── SystemD
│ ├── GitLab CI/CD [*]Used for deployments at Fructus-X
│ ├── GitHub Actions
│ └── AWS (S3, CloudFront, CodeDeploy)
└── OS
└── Linux

Experience

Python Developer — Fructus-X, Lviv

January 2024 – present

  • Deployment of Docker containers via GitLab CI/CD on in-house infrastructure.
  • Created backend services for accepting payments via Monobank API, integrating Redis for synchronization with other services.
  • Used RabbitMQ to interface with car chargers via OCPP protocol.
  • Actively used Claude for routine tasks to speed up development.
Contact me
software
hardware

histscaff

Cheat sheets for exams, invisibly

An app that helps you cheat on exams without getting noticed.

stack: Python · Flask · HTML/CSS
  • Built for multiple-choice tests
  • Signal delivery via phone vibrations
  • Delivery confirmation
  • One-way communication with a friend behind the door
  • Adjustable vibration strength and length
histscaff app screenshot