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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Android Engineer - **Company:** KNOTTS, INC. - **Location:** New York, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Android Software Development, Unit Testing, Code Coverage, Continuous Integration, Software Debugging, Memory Management, Gradle, Microsoft UI Automation, Performance Tuning, Software Construction, Multithreading, Performance Testing, Integration Tests - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/senior-android-engineer-knot-8142962 ## About the Role * Strong debugging skills with Android profiling tools * Deep understanding of memory management, garbage collection, threading, and CPU analysis * Experience working with asynchronous and multithreaded systems * Ability to design, validate, and document public SDK APIs * Strong testing practices including UI automation * Familiarity with Android CI/CD systems and willingness to help improve them * Comfortable validating releases end to end * Clear communicator and effective collaborator * Experience working with feature flagging and staged rollout strategies Android Specific Skills * Deep experience with WebView including custom WebViewClient, WebChromeClient, resource handling, messaging, and hybrid debugging * Strong experience with Java for Android development * Experience building and maintaining Android libraries * Familiarity with Gradle build tooling and performance tuning ## Description We are looking for a Senior Android Engineer who is energized by performance challenges, deep debugging, and building software that must perform flawlessly in demanding real-world environments. You will help architect and optimize an Android SDK that powers mission-critical experiences for some of the largest FinTechs in the world. You will work across the entire lifecycle of our Android SDK, from design to release. This includes shaping how we profile performance, how we catch issues before they ship, how we test our public APIs, and how we produce documentation that makes our SDK easy to integrate. You will collaborate with product and engineering teams across the company, and you will help represent and advocate for our SDK both internally and externally. What you'll be doing * Lead the design, architecture, and optimization of the Android SDK * Profile and improve memory behavior, garbage collection patterns, CPU usage, allocation behavior, concurrency, and rendering * Design stable public APIs and document them clearly for partner developers * Strengthen test coverage with unit tests, UI automation, integration tests, and performance tests * Co-own the Android CI/CD workflows to ensure reliable and safe releases * Investigate complex production issues and build guardrails to ensure they do not reoccur * Produce thorough documentation that improves integration experience * Represent Android platform considerations during technical planning and reviews * Advocate for integration best practices internally and externally * Promote high standards around clarity, reliability, and engineering craftsmanship ## Related Videos - [Are you still programming unit tests or already generating?](https://www.wearedevelopers.com/videos/722-are-you-still-programming-unit-tests-or-already-generating) - [Modular Secrets to Lightning-Fast Android Builds](https://www.wearedevelopers.com/videos/1428-modular-secrets-to-lightning-fast-android-builds) - [Mutation Testing and Fuzzing in C#](https://www.wearedevelopers.com/videos/703-mutation-testing-and-fuzzing-in-c) - [Unleash your web skills on native!](https://www.wearedevelopers.com/videos/122-unleash-your-web-skills-on-native) - [Give your build some love, it will give it back!](https://www.wearedevelopers.com/videos/514-give-your-build-some-love-it-will-give-it-back) - [Test-reduction - Doing more with less](https://www.wearedevelopers.com/videos/977-test-reduction-doing-more-with-less) ## Related Articles - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025)