Salary range: B2B - 38-42 E/h + VAT 💰Ciklum is looking for a Senior Mobile Platforms Android Engineer to join our team full-time in Poland.We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.About the role:As a Senior Mobile Platforms Android Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. Together, we will work on the project in the Grocery & Retail domain, creating seamless experiences that unlock new opportunities for customers and partners. The platform supports millions of active users across multiple countries, delivering value at scale.Responsibilities: Develop new features or modules with great quality and own them, following software engineering best practices and principles Efficiently use development toolset, follow code standards and team-agreed rules Provide robust test coverage both unit and integration for new features Investigate and fix application bugs Track errors and performance Provide technical documentation Work closely with the Product Owner or Manager, Backend team and UX designers to deconstruct complex product features and high-level requirements into well-defined, modular and shippable engineering tasks Create clear and concise technical work breakdowns that can be understood and executed by any member of the team, regardless of their seniority Mentor middle and junior teammates Requirements: Solid understanding of fundamental Computer Science concepts Experience developing apps using Clean architecture principles Strong hands-on experience using Kotlin, writing apps with low memory footprint, experience with multi-modular apps Deep knowledge of UI development Strong grasp of Android development tools such as Android Studio and profilers Strong knowledge of DI concepts Ability to rapidly mock up proposed user experiences and interactions Deep understanding of multithreading Deep understanding of Android architecture including multi-module, DI and MVVM Proficiency in building UI with Jetpack Compose Knowledge and experience with experimentation and A/B testing Able to work independently, taking responsibility for the technical delivery of key technical initiatives within a given workstream Experience in writing unit, integration and UI tests Experience with CI and CD systems Experience with the configuration of the release process Desirable:Have a good sense of UI and UXPersonal skills: Communication is a key Accountability for the own scope of work Eager to learn and grow Constantly improving own mastership Proactive in efforts to deliver results according to the expectations Suggesting new ideas and looking for alternative solutions Ability to express ideas, thoughts and questions simply, concisely and in a structured way What`s in it for you? Strong community: Work alongside top professionals in a friendly, open-door environment Growth focus: Take on large-scale projects with a global impact and expand your expertise Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies Flexibility: Enjoy flexibility – full remote working possibilities Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations About us:At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions.Want to learn more about us? Follow us on Instagram, Facebook, LinkedIn.Explore, empower, engineer with Ciklum!Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.