Senior Android Engineer
Workatbackbase
Posted: December 31, 2025
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Job Description
About the job
At Backbase, we don’t just deliver software – we redefine how people around the world manage their finances. We are building a new team in Kraków and are looking for a Senior Android Engineer for our Digital Engage and Customer Lifetime Orchestrator (CLO) domains.
What you'll do
You will design systems that are true game-changers:
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Digital Engage: An intelligent campaign management platform (Push, WhatsApp, Email) featuring advanced segmentation.
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CLO & AI Transformation: We leverage LLMs (OpenAI) and ML models for real-time offer personalization and content/image generation.
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Conversational Banking & PFM Coach: We are building LLM-based voice assistants and chats that help customers plan financial goals and manage their accounts.
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Global Scale: Over 100 financial institutions worldwide (USA, Europe, Asia, Africa). Your architectural decisions will impact millions of users.
Who you are
• You have 5+ years of relevant working experience working on complex Android-based products;
• You have a solid experience of working with both Kotlin and Java.
• You have a deep comprehension of MVVM as well as strong understanding of design patterns (eg: Creational, Structural & Behavioural).
• You have experience of working with Jetpack, Retrofit or OkHttp, Coroutines, Flow, and Channels.
• You have a solid knowledge of Dependency injection design patterns.
• You have experience in writing unit tests with JUnit and you understand the testing pyramid.
• You are familiar with CD/CI practices and understand core concepts such as Data Structures, Algorithms and System Design.
• You have hands-on experience with RESTful APIs.
• You have worked with Android Studio and Git in the past.
What we offer
• Competitive salary + annual bonus.
• €1,000 per year for your professional development.
• Kraków Office: Daily lunches, community breakfasts on Wednesdays, and hybrid work.
• Full benefits package (medical and more).
Want to have a real impact on a global fintech product? Let’s talk!