368,530open jobs
9,432companies
50,439added this week
Browse all
Location
In office (Kyiv)
Seniority
Middle · 3+ years exp
Employment
Full-Time
Overview
Company
Impact
Profile match
Ajax Systems is a global technology company headquartered in Kyiv, Ukraine, that was founded in 2011. The firm specializes in the development and manufacturing of professional security equipment, including wireless and wired intrusion protection, fire detection, water leak prevention, and integrated video surveillance solutions. It operates international production facilities and serves millions of users across more than 180 countries through a vast network of authorized distributors, resellers, and security monitoring partners.

Ajax Systems, an international tech company and the largest manufacturer of security systems in Europe.

We are looking for a new team member to join our System devisions as a Senior Java Developer.

The System Division is responsible for building and developing the Ajax software ecosystem. The team develops and maintains OS Malevich and the Video Management System, builds scalable cloud infrastructure, and creates client applications for multiple platforms, ensuring that all system components work together as a unified ecosystem.

The division works with Java, Kotlin, Swift, C, C++, and Python. It includes embedded, cloud, mobile, and desktop engineers who ensure the stable operation of Ajax as a single digital platform.

Required Experience:

  • Java: 3+ years of professional backend development in enterprise environment
  • Kotlin: Knowledge and practical work experience
  • Java Concurrency: Strong understanding and practical application experience

Architecture & Design:

  • Understanding of SOA, microservice, and event-driven architecture
  • Cloud development principles with practical AWS experience
  • Ability to scale and ensure high availability of loaded systems

Technologies & Tools

Required:

  • MongoDB, NATS

  • Enterprise-grade stack (messaging brokers, in-memory storages, NoSQL, key-value databases)

  • Docker and Kubernetes (containerized applications)

  • Git, Gradle, Jenkins

Nice to Have:

  • Redis, Netty, Akka, gRPC, Project Reactor

We offer:

  • The opportunity to suggest and implement your own ideas that directly influence the product and its mass production
  • A place in a fast-growing company with a motivated and professional team
  • Competitive salary
  • Medical insurance
  • English classes
  • The opportunity to participate in Ajax’s internal beta-testing program for security systems
  • Discounts from partner companies
  • Discounts on Ajax products

Ajax Systems is a Ukrainian success story that has grown into a global product. Ajax devices are trusted by more than 4.5 million end users and 330,000 PRO users in over 180 countries. The company provides comprehensive solutions to protect residential and commercial properties of all sizes. Today, Ajax portfolio includes 280 devices for intrusion protection, video surveillance, fire safety, and comfort and automation.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
368,530 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Similar stack
Same company
Kyiv
$123k – $251k per year (Estimated) • In office • Full-Time • 5+ years exp • Bachelor's Degree • Dallas • Denver • Birmingham
Java
SQL
Java
Gradle
Hibernate
Maven
Spring Boot
Spring Framework
Databases
Apache Kafka
MySQL
Redis
DevOps
CI/CD
Dynatrace
Jenkins
Kubernetes
OpenShift
Cybersecurity
SonarQube
Apply
$230k – $260k per year • Equity • Remote • Internship • Bachelor's Degree
Python
DevOps
Amazon EKS
AWS
Azure
CI/CD
GCP
Helm
Kubernetes
Terraform
Cybersecurity
FedRAMP
Orca Security
Apply
$67k – $160k per year (Estimated) • In office • Full-Time • France
C++
C++
PyTorch C++
TensorFlow C++
AI/ML
Computer Vision
Multimodal AI
OpenCV
PyTorch
TensorFlow
Edge AI
Apply
$28k – $56k per year (gross) • Remote • Full-Time • Astana
JavaScript
PHP
SQL
C
PHP
Laravel
C
FFmpeg
Databases
Redis
Frontend
JQuery
React.js
DevOps
Docker
GitHub
Apply
$22k – $52k per year (Estimated) • In office • 8+ years exp • Bachelor's Degree • Bengaluru
Python
SQL
DevOps
AWS
Azure
GCP
Analytics
Power BI
Tableau
ETL/ELT
Apply
In office • 4+ years exp • Kyiv
Java
Kotlin
SQL
TypeScript
JavaScript
Databases
ClickHouse
Databricks
Google BigQuery
Frontend
Angular
React.js
Vue.js
DevOps
AWS
CI/CD
Analytics
Power BI
Apply
In office • 8+ years exp • Kyiv
Java
Kotlin
Java
Gradle
Netty
Databases
Apache Kafka
NATS
Redis
DevOps
AWS
CI/CD
Git
gRPC
Kubernetes
Apply
In office • Full-Time • Kyiv
Databases
Apache Kafka
RabbitMQ
Redis
DevOps
Git
gRPC
Jenkins
Amazon S3
Management
Confluence
Jira
QA
Postman
Swagger
Apply
In office • Lviv
DevOps
gRPC
Rest API
Management
Confluence
QA
TestRail
Apply
In office • Kyiv
Python
Python
Django
Flask
PyQt
DevOps
AWS
CI/CD
Docker
Git
gRPC
Jenkins
WebRTC
Apply
In office • Full-Time • Kyiv
Python
Python
Django
FastAPI
Flask
PyQt
Databases
MySQL
DevOps
AWS
CI/CD
Docker
Docker Compose
Kubernetes
QA
Pytest
Apply
Power BI 2 days ago
In office • Full-Time • 2+ years exp • Kyiv
SQL
DevOps
AWS
Azure
GCP
Analytics
Power BI
Apply
Remote/Hybrid • Full-Time • Kyiv • Warsaw
Apply
Remote/Hybrid • Full-Time • Kyiv • Warsaw
Apply
In office • Full-Time • 5+ years exp • Kyiv
DevOps
FinOps
GCP
Kubernetes
Terraform
Apply
See all jobs
This is one of many
368,530 more open roles from verified company boards, updated every day.