Middle/Senior Python Developer (Desktop Team)

On-siteSalary not specified
Kyiv, Ukraine · Lviv, Ukraine

Tech Stack

gRPCpytestOOPPythonAiohttp

Job Description, Responsibilities & Requirements

Description language:

About the Position

Middle/Senior Python Developer (Desktop Team)

Kyiv / Lviv

System Department – Desktop Team

Full-time / On-site

Ajax Systems is a full-cycle company, working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part, and release mobile and desktop applications.

PRO Desktop meets the needs of every professional working with Ajax security systems. Facilities profiling and remote configuration, alarm monitoring and photo verification, staff administering, and a detailed event log - all in one, intuitive interface.

Responsibilities

  • Ajax PRO Desktop development (adding new devices, supporting existing devices, adding new functionality and features, fixing bugs).
  • Architectural decisions and concept development.
  • Writing tests.
  • Hard bug fixing.
  • Inter-commands communications.

Requirements

Must have:

  • 3+ years of experience with Python, including multithreading, asyncio.
  • Knowledge of OOP principles and patterns.
  • Experience with aiohttp.
  • Experience with pytest.
  • Experience with gRPC.

Nice to Have:

  • Experience with QML.
  • Experience with PySide/PyQt.

We Offer

  • Flexible schedule at our offices in Kyiv or Lviv.
  • The opportunity to propose and implement own ideas that have an impact on the product and production.
  • Work in a motivated team and zero bullshit culture.
  • Competitive salary.
  • Medical Insurance.
  • Corporate English.
  • The opportunity to participate in the beta test project of Ajax security systems - receiving and testing new gadgets before their release.

About the Company

Ajax Systems is a full-cycle company, working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part, and release mobile and desktop applications.

PRO Desktop meets the needs of every professional working with Ajax security systems. Facilities profiling and remote configuration, alarm monitoring and photo verification, staff administering, and a detailed event log - all in one, intuitive interface.

Job Details

Company name:
Ajax Systems
Location:
Kyiv, Ukraine · Lviv, Ukraine
Employment Type:
Full-time
Work Mode:
On-site
Posted on TheJob:
Mar 31, 2026
Last checked:
Jul 18, 2026
Posted on the source:
Sep 25, 2025
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