3 to 5 years of hands-on experience in iOS, Android, or cross-platform mobile development. Strong understanding of mobile architectures, design patterns, debugging, and performance optimization. Experience building internal tools that improve development workflows, automation, or testability. Solid understanding of CI/CD systems (Buildkite, Jenkins, GitHub Actions, or similar). Experience with unit, integration, and UI testing, plus familiarity with mocking/stubbing frameworks. Proven ability to work independently, manage complexity, and deliver against defined outcomes and timelines. Strong analytical, problem-solving, and communication skills. Comfortable collaborating across cross-functional teams in a fast-paced environment.