Senior Android Framework Engineer

Tools for Humanity is looking for a Senior Software Development Engineer to join as one of our first device software engineers at our new San Francisco office.

• 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 and in to support new hardware features and platform services.
• Work to define robust communication interfaces between system components.
• Manage entire software development lifecycle from concept to production with a focus on developing scalable systems.
• Serve as an interface between firmware/hardware teams and Android application teams.
• Collaborate with cross‑functional teams (hardware, software, product) to optimize system performance with a clear understanding of UX and customer needs.
• 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.

• Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or related field.
• 7+ years of hands‑on experience in software development, with a strong understanding of all levels of the software stack.
• Experience working with Android and AOSP based platforms.
• Experience developing and maintaining consumer electronics systems at large scale.
• Strong proficiency in C/C++/Rust and experience with Linux kernel and user‑space programming.
• Have shipped 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 tool chains, device trees, and hardware abstraction layers.
• Comfortable working in a start‑up or high‑velocity team environment, with a proactive, hands‑on approach.

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

Pay Transparency (for CA and NY based roles):
The estimated salary for this role at TFH ranges from $246,500 - $290,000, plus a competitive long‑term incentive package. Compensation is based on factors such as the candidate's skills, qualifications, and experience.

Benefits include healthcare, dental, vision, 401(k) plan and match, life insurance, flexible time off, commuter benefits, professional development stipend, and more.