Android Developer (Construction Tech)

Warsaw, PolandRemoteFull-time3+ yrs experiencePosted 3w ago

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Job description

Design, develop, and maintain Android applications using Kotlin and Jetpack Compose
Participate in architecture discussions and technical decision-making
Refactor, optimize, and modernize existing Android codebases
Implement scalable and maintainable features following Clean Architecture principles
Troubleshoot and resolve application issues and performance bottlenecks
Integrate native Android capabilities including NFC, Bluetooth, and Camera SDKs
Collaborate with cross-functional teams including iOS engineers, QA specialists, backend developers, and product stakeholders
Participate in all phases of the software development lifecycle
Contribute to code quality initiatives, peer reviews, and continuous improvement processes
Support CI/CD and engineering automation initiatives

3+ years of commercial experience in Android development
Strong proficiency in Kotlin and modern Android development practices
Hands-on experience with Jetpack Compose, Coroutines, Flow, Retrofit, and Android SDK
Experience with MVVM and Clean Architecture approaches
Solid understanding of software engineering fundamentals, including OOP, algorithms, data structures, and design patterns
Experience with dependency injection and unit testing tools such as Mockito and JUnit
Strong analytical and problem-solving skills
Ability to independently drive feature development and technical solutions
Strong communication and collaboration skills
Intermediate or higher English level
Bachelor’s degree in Computer Science, Computer Engineering, or equivalent practical experience

WILL BE A PLUS

Experience with Java, XML, and Android Data Binding
Experience modernizing legacy Android applications
Migration experience from XML-based UI to Jetpack Compose
Experience transitioning legacy navigation approaches to Navigation Compose
Experience with CI/CD pipelines and release automation
Scripting and process automation experience
Experience using AI-assisted engineering tools in development workflows
Portfolio of published Android applications on Google Play or GitHub

PERSONAL PROFILE

Proactive and ownership-driven mindset
Strong collaboration and communication skills
Attention to code quality and maintainability
Ability to work effectively in agile distributed teams
Interest in modern mobile technologies and continuous improve

Job details are sourced from the employer's original posting.

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About the company

Sigma Software

We are looking for a Senior Go Developer to join our dynamic team and work on cutting-edge AdTech solutions. This role offers the opportunity to experiment with AI, LLMs, and emerging technologies while solving complex challenges in large-scale data processing.  CUSTOMER Our customer is a global leader in contextual advertising with more than 500 employees worldwide. They specialize in delivering highly relevant ads by leveraging AI, real-time technology, and large-scale data processing. Operating in the AdTech industry, they are recognized for innovation in Connected TV (CTV) advertising. The team you will join works with the agility of a startup while benefiting from the resources of a global organization. PROJECT You will contribute to the development of a smart advertising platform that processes terabytes of data to understand audiences and deliver precise, contextual ads. The platform combines AI, LLMs, and emerging technologies to push the boundaries of CTV advertising. In this role, you will own innovation end-to-end — from research and prototyping to delivering production-ready solutions.

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Industry: AdTech
Open roles: 49