Middle/Senior Android Developer

On-siteSalary not specified
Kyiv, Ukraine

Tech Stack

JavaKotlinAndroidGitOOPAndroid DevelopmentJetpack Compose

Job Description, Responsibilities & Requirements

Description language:

About the Position

Middle/Senior Android Developer

Ajax Systems, an international tech company and the largest manufacturer of security systems in Europe, is looking for a new team member to join our System Division as a Middle/Senior Android Developer.

Responsibilities

  • Follow high standards of software quality established in the team
  • Design, build, and maintain high performance, reusable, and reliable code
  • Suggest technical and functional improvements to add value to the product
  • Collaborate with cross-functional teams to define, design, and ship new application features

Requirements

  • 3+ years of experience in Android development
  • Strong familiarity with Java and Kotlin
  • Good understanding of the Android ecosystem
  • Familiarity with Android SDK: basic concepts like layouts and views, activities and fragments and their lifecycle, storing data
  • Practical experience with Kotlin Coroutines
  • Proficiency in Jetpack Compose for modern UI development
  • Experience with ORM frameworks and Android Jetpack Components
  • Strong understanding of code versioning tools (Git) and experience with Gradle
  • Strong understanding of the full mobile development life cycle, OOP principles, design patterns
  • Passion for software engineering, learning, and continuous improvement

Nice to Have

  • Gradle knowledge, custom plugin development, build optimization, CI/CD pipelines, and release management
  • Writing unit tests
  • Practical experience with video streams
  • Experience with MVVM/MVI patterns
  • Experience with GitHub Actions
  • Experience with third-party libraries, APIs (Firebase), and custom frameworks

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
  • Corporate English classes
  • The opportunity to participate in Ajax’s internal beta-testing program for security systems
  • Discounts from partner companies
  • Discounts on Ajax products

About the Company

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's portfolio includes 280 devices for intrusion protection, video surveillance, fire safety, and comfort and automation.

Job Details

Company name:
Ajax Systems
Location:
Kyiv, Ukraine
Employment Type:
Full-time
Work Mode:
On-site
Posted on TheJob:
3/31/2026
Last checked:
6/13/2026
Posted on the source:
9/26/2025
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