Mobile Software Engineer (Android)

Allegro is a fast-paced e-commerce company with a large-scale mobile application ecosystem, including over 1000 microservices, an open-source data bus (Hermes), and production-used machine learning. The company emphasizes developer experience, modern AI tools, and continuous learning through internal conferences and tech community engagement.

• 3+ years of professional experience in native Android (Kotlin) mobile application development.
• Strong understanding of mobile application architecture patterns such as MVVM, MVI, and Clean Architecture.
• Experience with RESTful APIs, asynchronous programming, and efficient data handling.
• Proficiency in writing unit and integration tests.
• Familiarity with version control systems like Git.
• Solid understanding of software engineering principles, data structures, and algorithms.
• Experience with continuous integration and continuous delivery (CI/CD) pipelines.
• Good communication skills in English and Polish, both written and spoken.
• Proactive problem-solving approach and passion for creating excellent user experiences.

Bonus points if you have:

• Experience with large-scale, high-traffic mobile applications.
• Knowledge of reactive programming (e.g., RxJava/RxKotlin, Combine).
• Familiarity with Jetpack Compose and Coroutines.
• Experience with A/B testing frameworks.
• Contributions to open-source projects or a strong GitHub profile.
• Experience working in an Agile/Scrum environment.

• Design, develop, test, and deploy features for the Allegro Android application, ensuring high quality, performance, and responsiveness.
• Collaborate with product owners, designers, and other engineering teams to define and implement innovative solutions.
• Participate in code reviews and contribute to technical discussions to maintain high code quality standards.
• Identify and resolve performance and scalability issues.
• Continuously improve development processes, tools, and infrastructure.
• Share knowledge and mentor junior engineers to contribute to team growth.
• Stay up-to-date with the latest mobile technologies and industry trends.