Senior Android Framework Engineer

About the Company

Tools for Humanity (TFH) designs and builds technology behind World. World is building a real human network designed to accelerate people in the age of AI. The TFH and World tech stacks make this possible through the Orb, World ID, and World App.

Responsibilities

• Design, implement, and maintain embedded Linux and Android system components, including kernel modules, init scripts, and system daemons
• Develop and extend AOSP and custom HALs to support new hardware features and platform services
• Define robust communication interfaces between system components
• Manage the entire software development lifecycle from concept to production
• Serve as an interface between firmware/hardware teams and Android application teams
• Collaborate with cross-functional teams to optimize system performance
• Support overseas development with JDM/ODM partners
• Integrate and optimize low-level drivers and middleware for performance, reliability, and power efficiency
• Mentor junior engineers in development best practices

Requirements

• Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or related field
• 7+ years of hands-on experience in software development
• Experience working with Android and AOSP based platforms
• Experience developing and maintaining consumer electronics systems at large scale
• Strong proficiency in C, C++, or Rust
• Experience with Linux kernel and user-space programming
• Proven track record of shipping high volume mobile Android based devices
• Deep understanding of AOSP internals, HAL framework, and Android system bring-up
• Experience implementing custom HALs and IPC interfaces (Binder, HIDL, AIDL, or similar)
• Experience working with cross-compilation toolchains, device trees, and hardware abstraction layers

Preferred Qualifications

• Familiarity with Yocto, Buildroot, or Android build systems
• Hands-on experience with embedded Linux, BSP development, and system integration