Hi there!
We are Tooploox, an AI software development company offering custom AI solutions and services. We help innovative companies and startups design and build digital products with generative AI, mobile, and web technologies.
Our team, consisting of nearly 200 experts including our R&D team of over 40 engineers, many with PhDs, has pioneered AI solutions across industries like healthcare, fashion, and e-commerce. We’ve published over 15 research papers in top conferences like NeurIPS and ICML.
You’ll be working on the project alongside our internal team for a global leader in e-commerce, contributing to exciting mobile projects for a major player in the online shopping industry.
Feel invited!
What you will do:
Develop high-quality mobile applications for the Android platform, ensuring performance, scalability, and maintainability.
Collaborate with other teams (including iOS, AI/ML and Design teams) on cross-domain functionality and integrations.
Write clean, maintainable, and efficient code, following best practices and industry standards.
Participate in code reviews to ensure high-quality development and share knowledge with the team.
Support debugging, testing, and optimization efforts to deliver a smooth user experience.
What we expect from you beyond the code:
Demonstrated ability to take ownership of projects and work autonomously, delivering high-quality solutions with minimal supervision.
A proactive and self-driven approach, coupled with excellent organizational skills, to independently manage and deliver on project goals.
A collaborative mindset that extends to client interactions, enabling you to effectively communicate technical solutions and gather business requirements.
Interest in the business impact of mobile applications and a passion for leveraging AI to create innovative user experiences.
Experience and skills you need to join us:
Fluency in English and Polish (you will attend meetings with English speaking clients).
3+ years of experience in Android development, with a portfolio of released apps or contributions to large projects
Strong knowledge of Kotlin and experience with Android SDK.
Understanding of Gradle and Android’s build system
Knowledge of CI/CD pipelines and version control (Git).
Strong knowledge with Jetpack Compose and MVVM architecture
Proficiency in writing Unit Tests and familiarity.
Experience with push notifications and mobile analytics
Understanding of Android app performance optimization and scalability considerations
Experience working with multi-module projects
Problem-solving skills, attention to detail, and ability to work independently
Familiarity with popular third-party libraries and tools (e.g. Android Studio, Coroutines, Hilt, Retrofit, Jetpack libraries).
It would be great if you also have:
Interest in or willingness to build skills in AI-driven mobile application development.
Familiarity with GraphQL-based and REST-based APIs
Understanding of Agile development methodologies
Knowledge of Android’s design principles and best practices for creating intuitive and visually consistent user interfaces
How we work:
At Tooploox, you have the flexibility to choose your working hours and location. While we value remote work, we also believe in building relationships and invite you to join us in our Warsaw and Wrocław offices. Enjoy a relaxed atmosphere and try some “home-made” pizza from our office pizza oven. We love having pets in the office, so feel free to bring yours along.
Join us and shape the future of AI while working the way you like!

Android Engineer