Android Developer

Job Title:-Sr. Android Developer - Core Experience

Location:-100% Remote

Exp:09 Years

Only W2

Company Overview

the largest provider of free phone service in the U.S., the company is focused on breaking down barriers and improving connectivity.

Job Description

The Senior Android Developer will play a key role in developing TextNow’s voice and messaging platform on Android. Responsibilities include building high-performance, scalable applications with integrated voice, video, and messaging capabilities.

Responsibilities

• Design, develop, and maintain high-quality Android applications focused on voice and messaging (e.g., voice calling, chat, real-time notifications).
• Write clean, maintainable, and testable code in Java and Kotlin.
• Collaborate with cross-functional teams to define and ship new features.
• Work with real-time communication protocols (WebRTC, SIP, etc.).
• Optimize app performance for audio quality, latency, and bandwidth.
• Conduct code reviews and mentor junior developers.
• Troubleshoot and debug performance, crashes, and other issues.
• Own projects end-to-end, from ideation to deployment.
• Make data-driven decisions for customer-centric solutions.
• Deploy features to millions of users with an immediate impact.

Requirements

• 5+ years of Android development experience with a strong portfolio.
• Proficiency in Kotlin and Java, with a deep understanding of Android SDK and frameworks.
• Experience with real-time communication technologies (WebRTC, SIP).
• Knowledge of APIs, third-party libraries, and real-time messaging frameworks.
• Understanding of push notifications, background tasks, and network management.
• Strong grasp of UX principles and ability to design elegant solutions.
• Experience with automated testing frameworks (Unit, UI, Integration).