---
title: 'Java Developer (Infrastructure) at Ajax Systems'
canonical: 'https://feeny.ai/job/java-developer-infrastructure-ajax-systems-kyiv-zpnc58be2cew'
type: 'job'
last_seen: '2026-09-07'
---

# Java Developer (Infrastructure) at Ajax Systems

- **Company:** Ajax Systems
- **Location:** Kyiv, Ukraine
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-09-03
- **Last confirmed live:** 2026-09-07
- **Apply:** https://jobs.lever.co/ajax/d27f5ebe-5440-4711-afac-19eada292e90

## Job description

Ajax Systems is an international technological company and Europe’s largest security system manufacturer. In addition, the company offers solutions for video surveillance, smart homes, fire detection, and flood prevention. The product portfolio includes 280 wireless and wired devices for security and automation. Today, Ajax protects over 4.5 million users in 187 countries worldwide.

We are looking for a smart, experienced, and technically proficient Java Developer to join our team in Kyiv office.

Required experience:

- 3+ years of backend or full-stack development
- Java: solid understanding, ability to read and extend existing services
- Experience building integrations with third-party APIs (Google Workspace, Atlassian, GitHub, etc.)
- Familiarity with webhook-based and event-driven integration patterns
- Understanding of CI/CD pipelines and release management concepts

Nice to Have:

- Python: strong practical experience (scripting, REST APIs, automation)
- Google Chat API or similar messaging platform bot development
- Confluence / Jira API integrations
- iOS / Swift basics for lightweight internal mobile tools
- Grafana, Prometheus or similar for internal dashboards
- PostgreSQL / SQLite for lightweight persistence
- Familiarity with release automation tools (e.g. Jenkins, GitHub Actions, ArgoCD) We offer:
- The opportunity to share and implement your own ideas that could impact products and production
- Work with a motivated team and an environment with a zero-bullshit culture
- Competitive salary
- Medical insurance
- Corporate English classes

## About Ajax Systems

## Company Overview
- **One-liner**: Ajax Systems designs and manufactures wireless security, fire safety, video surveillance, and smart home automation systems, sold in over 180 countries.
- **Entity Type**: Private (Series A, $10M from Horizon Capital in 2019)
- **Headquarters**: Kyiv, Ukraine
- **Founded**: 2014 (first investment in 2015)
- **Founders**: Aleksandr Konotopskyi

## Core Business
- **Primary industries**: Security systems, smart home, IoT, fire and life safety, video surveillance
- **Target customers**: B2B (security installers, monitoring stations, distributors) and B2C (homeowners and businesses)
- **Mission**: “Stand against evil using innovative yet intuitive technologies.”

## Products & Services
- **Ajax Security System**: Wireless intrusion detection system including hubs, motion detectors, door/window sensors, glass break detectors, sirens, panic buttons, and keypads – all managed via iOS/Android/macOS/Windows apps.
- **Fire & Life Safety**: Smoke detectors with HazeFlow algorithm, leak detectors, air quality monitors – active 24/7 regardless of security mode.
- **Video Surveillance**: Cameras and NVRs introduced in 2023, integrated into the same system.
- **Comfort & Automation**: Smart plugs, relays, switches, and scenarios for lighting, heating, and appliance control.
- **OS Malevich**: Proprietary real-time operating system for hubs, supporting OTA updates, cloud connectivity, and up to 150 devices.
- **Jeweller Radio Technology**: Two-way encrypted communication at 868 MHz with up to 2 km range and alarm delivery in <0.15 seconds.

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed
- **Key Metric**: Total funding $11M ($1M seed from SMRK in 2015, $10M Series A from Horizon Capital in 2019)
- **Notable Investors/Partners**: SMRK (Oleksandr Kosovan, Andriy Dovzhenko), Horizon Capital (Emerging Europe Growth Fund III)
- **Growth Signals**: 4,100+ employees (as of 2026), 4 million users, presence in 187 countries, second factory opened in Turkey (2022), product line expanded to video surveillance (2023)

## Competitive Advantages
- **Full-cycle production** in Ukraine and Turkey – all devices designed and manufactured in-house, ensuring quality control and rapid iteration.
- **Proprietary technologies**: Jeweller radio protocol, OS Malevich, HazeFlow smoke verification – create a unique, integrated ecosystem.
- **European certifications**: Grade 2 (wireless) and Grade 3 (wired) per EN 50131, fire standard EN 14604 – trusted by professional security companies.
- **Award-winning**: Recognized at IFSEC, Intersec, and by PSI Magazine, GIT Security – one of Europe’s most awarded security systems.

## Strategic Focus
- **Global expansion**: Strengthening presence in Western Europe (top markets: Ukraine, Spain, Italy, France, UK) and diversifying production geographically.
- **Product innovation**: Adding video surveillance and expanding automation/comfort devices to create a unified smart security platform.
- **R&D investment**: Continuous development of new wireless protocols, algorithms, and hardware across R&D centers in Kyiv, Kharkiv, Vinnytsia, and Lviv.

## Why Work Here
- **Culture**: A multinational team of over 4,100 people with a strong sense of purpose – “stand against evil” – and a history of resilience forged through Ukraine’s challenges.
- **Work model**: On-site roles in Kyiv and Istanbul; representative offices in UAE, UK, Italy, Spain, and other regions.
- **Engineering focus**: Full-cycle product development from scratch, R&D-driven environment, modern tech stack (RTOS, cloud, OTA updates).
- **Perks**: ISO 14001 environmental management, commitment to RoHS compliance, and a flat, impact-oriented structure. Hiring process uses AI tools to support application review.

## Sources
1. [Ajax Systems Career Page](https://ajax.systems/career/global/)
2. [Ajax Systems About Page](https://ajax.systems/about/)
3. [Ajax Systems FAQ](https://ajax.systems/faq/)
4. [Ajax Systems Jobs on Lever](https://jobs.lever.co/ajax/)

## Other roles at Ajax Systems

- [Embedded Linux Engineer (Video Devices)](https://feeny.ai/job/embedded-linux-engineer-video-devices-ajax-systems-kyiv-vtgb7g2jgw66) — Kyiv, Ukraine
- [QA Lead (Prod Tools)](https://feeny.ai/job/qa-lead-prod-tools-ajax-systems-kyiv-2k9dpvpb28yw) — Kyiv, Ukraine
- [Electronics assembler (Dev in Test Device Team)](https://feeny.ai/job/electronics-assembler-dev-in-test-device-team-ajax-systems-kyiv-q1y94ghkne4t) — Kyiv, Ukraine
- [Pracownik magazynu (Warehouse Worker)](https://feeny.ai/job/pracownik-magazynu-warehouse-worker-ajax-systems-lodz-518xafs5p7ra) — Lodz, Poland
- [Business Development Manager (Wales)](https://feeny.ai/job/business-development-manager-wales-ajax-systems-cardiff-fv3nqhngftqs) — Cardiff, United Kingdom
- [National Accounts Manager - Remote, USA](https://feeny.ai/job/national-accounts-manager-remote-usa-ajax-systems-remote-m0sapkxv3cch)
- [Junior/Strong Junior Python Developer](https://feeny.ai/job/junior-strong-junior-python-developer-ajax-systems-kyiv-5tksjptmq7fe) — Kyiv, Ukraine
- [Sales Operations Manager (relocation to UAE)](https://feeny.ai/job/sales-operations-manager-relocation-to-uae-ajax-systems-kyiv-vxn181zhyz8z) — Kyiv, Ukraine
- [Sales Operations Manager](https://feeny.ai/job/sales-operations-manager-ajax-systems-turin-f0q4m0r2pyb4) — Turin, Italy
- [Office manager](https://feeny.ai/job/office-manager-ajax-systems-kyiv-htms5sgegsya) — Kyiv, Ukraine