Compiler Engineer (Swift)

Location: Remote in the United States or Canada; optional office work in Williamsburg, New York. Requires at least 4+ hours of overlap with team members in the Eastern Time Zone.

Annual base salary: $295,000–$350,000 USD, plus equity and comprehensive benefits.

Company

hirify.global builds Arc and Dia, Swift/Chromium web browsers for macOS, Windows, iOS, and Android, with contributions to the Swift and LLVM open-source communities.

What you will do

• Improve compiler performance through memory-allocation work, PGO/LTO/BOLT optimization, hot-function optimization, and build-time improvements.
• Expand Windows and Android support, including CI testing, debugging, profiling, and x86_64, ARM64, and emerging architecture support.
• Build and maintain custom toolchains for macOS and Windows, integrating with Xcode and VSCode and supporting cross-compilation.
• Improve Swift interoperability with C, C++, and Java/Kotlin for cross-platform application development.
• Drive compiler and toolchain projects from conception through production and upstream work to LLVM, Swift, and related projects.
• Collaborate with Apple, open-source communities, and other Swift users while mentoring engineers and participating in technical discussions and interviews.

Requirements

• 5+ years of experience with language compilers and complex codebases such as LLVM.
• Ideally, experience with Swift and/or C++.
• Understanding of build systems and tooling, with a focus on maintainable, debuggable, and user-friendly configurations.
• Pragmatic problem-solving skills and comfort working on ambiguous technical problems in a startup environment.
• Familiarity with Windows, macOS, Android, or iOS is preferred but not required.
• Ability to work from the United States or Canada and maintain at least 4+ hours of Eastern Time Zone overlap.

Nice to have

• Experience with Swift compiler internals, Windows toolchains, Swift bindings, or Swift developer tooling.
• Experience contributing to LLVM, Swift, or related open-source projects.

Culture & Benefits

• Remote-first, distributed work environment with optional office work in Brooklyn, New York.
• Comprehensive benefits supporting employees, families, and life outside work.
• Base salary, equity, and competitive compensation.
• Onboarding support including a buddy, presentations, pairing, and codebase orientation.
• Opportunities to collaborate with Apple and the broader LLVM and Swift communities.