Senior Chromium Android Engineer — Build the Mobile Browser

Semrush Development, S.L.U.; España; On-site; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Unlimited PTO

Hobby & team building budget allowance

Employee Support Program

Loss of family member financial aid

Employee Resource Groups

Job summary

Semrush seeks a Chromium Android Engineer to join Datos, a Semrush Company, overseeing the Android browser fork built on Chromium. You will own features, bug fixes, and upstream merges while building UI inside the Chromium Android shell and maintaining the native content-filtering stack.

Require 4+ years in Chromium Android, strong Java, JNI/C++, and knowledge of GN/Ninja build systems. English communication across cross-functional teams is essential.

Qualifications

• 4+ years of commercial experience on a Chromium-based Android browser.
• Strong Java skills in a large codebase.
• Solid JNI and C++ with debugging across Java/native boundaries.
• Experience with Git on large forks and patch series.
• Knowledge of Chromium Android internals and process boundaries.
• Understanding GN, Ninja, and depot_tools; Android App Bundle builds.
• Gradle-only Android experience may not be enough.
• Familiarity with Google Play policies and privacy requirements.
• English proficiency for technical communication.

Responsibilities

• Develop and maintain Android Browser as a long-lived Chromium fork.
• Build product UI inside the Chromium Android shell following chrome/android patterns.
• Maintain native content-filtering stack and JNI bridge.
• Update filter lists and ensure server-delivered rules compatibility.
• Ensure compliance with Google Play policies and privacy regulations.
• Own the Android release surface: GN/Ninja builds, app bundles, signing.
• Debug Java and native crashes across browser, renderer and other processes.
• Coordinate with backend and data engineering on event schemas and pipelines.

Skills

Chromium Android

Java programming

JNI/C++

Git large fork

Chromium internals

GN/Ninja/depot_tools

Android App Bundle

ProGuard/R8

Play policy compliance

English communication

Tools

GN/Ninja

Android Studio

Job description

Semrush seeks a Chromium Android Engineer to join Datos, a Semrush Company, overseeing the Android browser fork built on Chromium. You will own features, bug fixes, and upstream merges while building UI inside the Chromium Android shell and maintaining the native content-filtering stack.

Require 4+ years in Chromium Android, strong Java, JNI/C++, and knowledge of GN/Ninja build systems. English communication across cross-functional teams is essential.