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Senior Software Engineer I - Android Poland, Warsaw Jobs (Hybrid work)

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Senior Software QA Engineer
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Join Inetum Polska as a Senior Software QA Engineer in Warsaw. Design and implement automated test strategies for web apps, APIs, and microservices using Python, Java, or JavaScript. Enjoy a hybrid model, flexible hours, and a personalized benefits cafeteria system while driving quality in a glob...
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Poland , Warsaw
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Inetum
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Senior Python Software Engineer
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Join our Warsaw team as a Senior Python Software Engineer & Consultant. This hybrid role requires 5+ years of Python expertise, Python Agent knowledge, and strong B2 communication skills in Polish and English. Enjoy flexible hours, a cafeteria system, mentoring, and a supportive culture while dri...
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Poland , Warsaw
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Inetum
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Senior Software QA Engineer
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Join Inetum Polska in Warsaw as a Senior Software QA Engineer. Design and automate tests with Playwright/JavaScript for a key telecom e-commerce platform. Enjoy a hybrid model, flexible hours, and strong development support in an inclusive culture.
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Poland , Warsaw
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Inetum
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Senior .Net Software Engineer
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Join our Warsaw team as a Senior .NET Software Engineer. Develop a custom CRM and back-end systems using C#, .NET, and SQL for a global telecom client. Enjoy a hybrid model, flexible hours, and strong mentorship in a supportive culture.
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Poland , Warsaw
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Inetum
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Senior JVM Software Engineer
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Seeking a Senior JVM Software Engineer in Warsaw for a hybrid role. Drive feature development (70% BE/30% FE) using Java, Spring Boot, React, and PostgreSQL. Enjoy flexible hours, a cafeteria system, and a supportive culture with technical mentoring. Join a telecom project requiring 4+ years of f...
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Poland , Warsaw
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Inetum
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Senior iOS Software Engineer
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Join our Warsaw team as a Senior iOS Software Engineer, also leveraging Android expertise. Develop innovative mobile solutions using Swift, Kotlin, and modern architectures like MVVM and SwiftUI. Enjoy a hybrid model, flexible hours, and a rich benefits package including mentoring and a cafeteria...
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Poland , Warsaw
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Inetum
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Senior Python Software Engineer
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Join Inetum Polska as a Senior Python Software Engineer in Warsaw. Develop AI-driven microservices with Python, FastAPI, and PostgreSQL on Azure. Enjoy a hybrid model (3 days office/week), flexible hours, and strong mentorship in an innovative team.
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Poland , Warsaw
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Inetum
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Senior Java Software Engineer
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Join our Warsaw team as a Senior Java Engineer. Lead the migration of JBoss systems to a modern Spring Boot cloud environment using Java 17+, Camunda, and Kubernetes. Enjoy a hybrid model, flexible hours, and a rich benefits package including mentoring and a team-building budget. Apply your exper...
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Poland , Warsaw
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Inetum
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Senior JVM Software Engineer
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Join a leading German telecom & IT innovator at their new European Tech Center in Warsaw. As a Senior JVM Software Engineer, you'll develop the Sales Cockpit backend using Java, Spring Boot, and REST APIs. Enjoy a hybrid model, flexible hours, and benefits like a cafeteria system and revenue shar...
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Poland , Warsaw
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Inetum
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Senior JVM Software Engineer
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Join our Warsaw team as a Senior JVM Software Engineer. Lead the upgrade to Spring Boot 3.x and build new payment data systems using Java 21, Spring, and Hibernate. Enjoy a hybrid model, flexible hours, and a supportive culture with tailored mentoring. Fluent English and Polish are required.
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Poland , Warsaw
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Inetum
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Senior iOS Software Engineer
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Join our Warsaw team as a Senior iOS Software Engineer. You'll develop in Swift and SwiftUI, with cross-platform work in Kotlin/Compose. Enjoy a hybrid model, flexible hours, and a rich benefits package including a cafeteria system. Collaborate in a supportive culture that values technical growth...
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Poland , Warsaw
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Inetum
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Senior Software Engineer (JVM/Kotlin)
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Lead the architectural transformation from monolith to modular systems as a Senior Kotlin Engineer in Warsaw. Apply your JVM, Spring, and DDD expertise to scale core insurance platforms. Enjoy share options, a learning budget, and modern benefits in this pivotal role.
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Poland , Warsaw
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hyperexponential
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Go/Java Senior Software Engineer
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Join Citi in Warsaw as a Senior Go/Java Software Engineer. You will build secure developer tools and safeguard the software supply chain using Go, Java, and cloud-native tech (e.g., Docker, Kubernetes, AWS). Collaborate in agile teams to implement modern CI/CD and security-first development. We o...
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Poland , Warsaw
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Citi
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Senior Software Engineer
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Join Island in Warsaw to redefine the enterprise browser. As a Senior Software Engineer, you'll build scalable, secure software using modern cloud tech and SOLID principles. Mentor peers in a hybrid role, solving complex challenges at the intersection of security and UX. Enjoy a flexible model fr...
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Poland , Warsaw
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Island
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Go/Java Senior Software Engineer
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Join Citi in Warsaw as a Senior Go/Java Engineer. Build secure, cloud-native developer tools using Go, Java, and modern tech like Kubernetes and AWS. You'll enhance software supply chain security in an agile team. We offer great benefits including private medical care, a pension plan, and strong ...
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Poland , Warsaw
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Citi
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Explore senior software engineer I - Android jobs and discover a pivotal role at the intersection of deep technical expertise and product leadership. A Senior Software Engineer I for Android is an experienced professional responsible for designing, building, and maintaining high-quality, scalable mobile applications that serve millions of users. This position represents a key career step where individual technical contribution meets architectural guidance and mentorship, acting as a cornerstone for engineering teams. Professionals in these roles typically own the development of complex features from conception to deployment. Common responsibilities include architecting robust solutions within the Android ecosystem, writing clean and efficient code in Kotlin and Java, and ensuring application performance, quality, and responsiveness. They collaborate closely with product managers, designers, and other engineers to translate business requirements into technical specifications. A significant part of the role involves advocating for best practices in software development, such as comprehensive testing (unit, integration, UI), continuous integration and delivery (CI/CD), and modern architectural patterns like MVVM or MVI. Senior Software Engineer I roles also often entail conducting code reviews, debugging intricate issues, optimizing application performance, and contributing to the strategic technical roadmap of the Android platform. The typical skills and requirements for these jobs are substantial. Candidates are expected to have several years of professional Android development experience, with deep proficiency in Kotlin, the Android SDK, and Jetpack components. A strong understanding of Android UI design principles, patterns, and best practices is essential. Experience with reactive programming (e.g., Kotlin Coroutines, Flow), dependency injection (Dagger/Hilt), and offline storage solutions is highly valued. Beyond technical acumen, successful professionals demonstrate a product-minded approach, focusing on user experience and business impact. They possess strong problem-solving abilities, the capacity to mentor junior engineers, and effective communication skills to articulate technical decisions. Familiarity with agile methodologies, performance profiling tools, and a commitment to writing maintainable, testable code are standard expectations. For those seeking to lead through technical excellence and shape the mobile experience for global audiences, exploring senior software engineer I - Android jobs opens the door to impactful career opportunities. This role is ideal for developers ready to take on greater ownership, solve challenging problems at scale, and drive innovation within dynamic engineering organizations.

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