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Ajax Systems - is an international technology company, the largest developer and manufacturer of Ajax security systems with smart home capabilities in Europe. This ecosystem includes 180 devices, mobile and desktop applications, and server infrastructure. Every year, we demonstrate exponential growth in both the size of the team and the number of users worldwide. Currently, the company has more than 4,100 employees. Ajax sensors protect 3.5 million users in more than 187 countries around the world.
The System Department makes devices smart, turning them into full-fledged IoT. They created and developed OS Malevich (a modular RTOS for various hardware platforms) and the Ajax Cloud cloud service (Java 20 / Kotlin, AWS, Akka, NATS, Kafka, Mongo, MySQL). Applications for iOS (Objective-C, Swift), Android (Java, Kotlin), and Windows/macOS (Python / C++, QT, QML) have been developed for users, installers, and engineers of security companies to manage, maintain and monitor the system.
Required skills:
6+ years of experience in iOS development
Deep knowledge of Swift, Combine, and UIKit
Strong foundation in computer science principles, including memory management, concurrency, networking, data persistence, unit testing, performance profiling, and system design
Strong understanding of the full mobile development life cycle, Git, SOLID, OOP principles, and design patterns
Understanding of algorithms and data structures
Would be a plus:
Modular project organization knowledge (SPM, CocoaPods)
gRPC experience
Use the latest technologies and stay up to date with development trends
Passion for software engineering, learning, and continuous improvement
Tasks and Responsibilities:
Follow high standards of software quality established in the team
Design, build, and maintain high-performance, reusable, and reliable code
Collaborate with cross-functional teams to define, design, and ship new application featuresI
dentify options for potential solutions and assess them for both technical and business suitability
With us, you will enjoy:
Working with a team of people to build the future of an industry
Non-trivial challenges and various range of exciting tasks
Flexible working hours
Parking for cars and bicycles
Medical insurance
English classes
We are working to ensure people’s lives are calm and the world safe.Join the team that creates a smart and useful global product!
The System Department makes devices smart, turning them into full-fledged IoT. They created and developed OS Malevich (a modular RTOS for various hardware platforms) and the Ajax Cloud cloud service (Java 20 / Kotlin, AWS, Akka, NATS, Kafka, Mongo, MySQL). Applications for iOS (Objective-C, Swift), Android (Java, Kotlin), and Windows/macOS (Python / C++, QT, QML) have been developed for users, installers, and engineers of security companies to manage, maintain and monitor the system.
Required skills:
6+ years of experience in iOS development
Deep knowledge of Swift, Combine, and UIKit
Strong foundation in computer science principles, including memory management, concurrency, networking, data persistence, unit testing, performance profiling, and system design
Strong understanding of the full mobile development life cycle, Git, SOLID, OOP principles, and design patterns
Understanding of algorithms and data structures
Would be a plus:
Modular project organization knowledge (SPM, CocoaPods)
gRPC experience
Use the latest technologies and stay up to date with development trends
Passion for software engineering, learning, and continuous improvement
Tasks and Responsibilities:
Follow high standards of software quality established in the team
Design, build, and maintain high-performance, reusable, and reliable code
Collaborate with cross-functional teams to define, design, and ship new application featuresI
dentify options for potential solutions and assess them for both technical and business suitability
With us, you will enjoy:
Working with a team of people to build the future of an industry
Non-trivial challenges and various range of exciting tasks
Flexible working hours
Parking for cars and bicycles
Medical insurance
English classes
We are working to ensure people’s lives are calm and the world safe.Join the team that creates a smart and useful global product!
Key Skills
Ranked by relevance
ajax
kotlin
swift
cloud
java
ios
c
android
python
server
mysql
kafka
rtos
git
aws
oop
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- Posted
- Sep 29, 2025
- Type
- Full-time
- Level
- Not Applicable
- Location
- Kyiv
- Company
- Ajax Systems
Industries
Appliances
Electrical
Electronics Manufacturing
Categories
Engineering
Information Technology
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