The Role
The Senior Android Developer will design, build, and maintain high-performance mobile applications, ensure software quality, and collaborate with cross-functional teams.
Summary Generated by Built In
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 applications. The whole team is in one office in Kyiv, all technical and product decisions are made locally.
We're looking for an Android Developer to join us and continue the evolution of a product that we love: someone who takes pride in their work to ensure that user experience and development quality are superb. You will be able to develop the apps in the best hardware company of Ukraine with around 400m active users around the world. Moreover, very soon you will have a chance to start several new products from scratch.
Required skills:
- 5+ years of experience in Android development
- A 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
Would be a plus:
- 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
Tasks and 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
With us, you will enjoy:
- Working with a team of people to build the future of an industry
- Non-trivial challenges and the various specter of interesting tasks
- A flexible, friendly, and collaborative work environment
- Corporate culture based on common sense
- Opportunities to influence the creation of new products and their quality
- Parking for cars and bicycles
- Medical insuranceEducation compensation
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;
- compensation for professional training;
- the chance to take part in beta testing of Ajax security systems — receive and test new devices before their release.
Top Skills
Android Sdk
Git
Gradle
Java
Jetpack Compose
Kotlin
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The Company
What We Do
The largest manufacturer of security systems in Europe. Designed and developed in Ukraine







