> Markdown version of [/jobs/ext/1395827-android-engineer](https://www.wearedevelopers.com/jobs/ext/1395827-android-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Android Engineer - **Company:** Wallapop - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Android Software Development, Architectural Patterns, Profiling, Continuous Integration, Software Debugging, DevOps, Github, Gradle, Monitoring of Systems, Python (Programming Language), Memory Leaks, Software Deployment, Web Platforms, Infrastructure as Code (IaC), Kotlin, Modularization, Data Analytics, Build Tools - **Published:** July 23, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role Android Enthusiast & Expert: Deep knowledge of the Android SDK and Kotlin. You don't just use libraries; you understand how the system works under the hood. Build System Mastery: Extensive experience with Gradle (writing custom plugins, optimizing build scripts, and understanding the configuration phase). The "Platform" Mindset: A passion for Developer Experience (DevEx)-you find joy in making your colleagues' lives easier and their builds faster. Performance & Stability: Experience using profilers and monitoring tools to debug complex issues like memory leaks, ANRs, or slow startup times. Modularization at Scale: Proven experience managing large-scale, multi-module projects and understanding the trade-offs of different architectural patterns. CI/CD & Automation: Solid experience with CI tools (GitHub Actions, Bitrise, etc.) and a pragmatic approach to automating the full release lifecycle. Polyglot Curiosity: Comfortable using Python for scripting and an interest in learning AWS infrastructure when needed. What Would Be A Plus Experience with Gradle Enterprise (Develocity) or writing custom Gradle plugins. Knowledge of Infrastructure as Code (IaC) or basic AWS management. Previous experience in a Developer Experience (DevEx) or Mobile Infra role. Experience managing Design Systems from an infrastructure perspective (theming engines, token automation). Do note that all our jobs are Barcelona based. We follow a hybrid model where flexibility rules. We commit to a minimum of 6 days per month in the office. Each team self-organizes to decide on cadence and in-person/remote rituals. ## Description Developer Experience (DevEx) at Scale: You won't just build features; you will build the tools, CI/CD pipelines, and architectures that other engineers use daily. Deep Tooling & Build Systems: We manage a complex modular environment where Gradle and CI/CD automation are at the heart of everything we do. System-Level Thinking: From optimizing build time to managing our Dagger/Anvil DI graph, you'll tackle challenges that impact the entire Android Chapter. Data-Driven Infrastructure: We don't guess; we measure. You will use metrics to identify bottlenecks in the development lifecycle and prioritize what to fix next. What You Will Do You'll be the "Engineer for the Engineers," driving technical excellence across the organization. To do so, you will: Master the Build System: Maintain and optimize our Gradle configuration, plugins, and build logic to ensure fast and reliable builds. Optimize the Feedback Loop: Improve CI/CD pipelines and local iteration speed to ensure developers can test and deploy code faster. Own the Release Engine: Maintain and evolve our automated release process, ensuring that shipping to millions of users is a non-event. Standardize & Modernize: Help define the "Golden Path" for Android development, providing the modular architecture and patterns that teams need to succeed. Cross-Platform Collaboration: Work alongside iOS and Web Platform engineers to align on tooling, infrastructure, and DevOps culture. Infrastructure as Code: Manage and scale our cloud resources (using AWS when needed) to support our mobile infrastructure., Technical Task - you will be assigned a test that consists of a coding challenge to assess the technical skills required for the role. You will have up to 7 days to complete it. If you have a recent project that meets the same requirements, you can submit it instead. Expertise Interview - run by the core team, focusing on the hard skills and the ability to deliver in a given context. This usually takes 60-90 minutes. Stakeholder Interview - run by the hiring team and relevant stakeholders, focus on the ability to collaborate & deliver in a cross-functional set-up. This usually takes 60 minutes. Culture Interview - run by culture interviewers, focus on adherence to Wallapop's purpose and business proposition. This usually takes 60 minutes. Offer - should you be the right candidate, your offer will be discussed over a call with talent acquisition and will then be confirmed in writing. 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