Software Engineer, Compiler

The Browser Company of New York Inc.

Job Overview

Location

Remote - North America

Job Type

Full-time

Full Job Description

📋 Description

• Design, implement, and optimize compiler features for Swift on Windows and Android platforms, extending the Swift toolchain beyond macOS and iOS.
• Collaborate with Apple and the LLVM/Swift open-source communities to upstream changes to Swift, LLVM, and related projects, ensuring contributions benefit the broader developer ecosystem.
• Investigate and resolve performance bottlenecks in the Swift compiler, focusing on memory allocation, Profile-Guided Optimization (PGO), Link-Time Optimization (LTO), BOLT, and hot function identification.
• Maintain and expand cross-platform support for Swift across X86_64 and ARM64 architectures, including emerging architectures like RISC-V, ensuring consistent behavior and performance.
• Build and maintain custom toolchains for macOS and Windows, integrating with development environments such as Xcode and VSCode to improve developer productivity.
• Develop deployment solutions for alternative Swift toolchains to enable seamless cross-compilation workflows across target platforms.
• Enhance Swift interoperability with C/C++ and Java/Kotlin to enable robust multi-language application development on Windows and Android.
• Enable and improve CI testing, debugging tools, and profiling capabilities for Swift on Windows and Android to ensure toolchain reliability and performance.
• Participate in weekly engineering discussions on architecture, code review standards, code style, and infrastructure improvements including observability and performance regression monitoring.
• Contribute to the company’s browser product by improving the underlying Swift-based runtime and tooling that powers Arc and Dia across all platforms.
• Mentor and pair program with newer engineers to accelerate their onboarding and proficiency with the Swift compiler codebase and cross-platform tooling.
• Interview and evaluate candidates for engineering roles at The Browser Company after completing internal training.
• Work closely with the open-source community to identify pain points in Swift’s Windows and Android support and drive solutions that improve developer experience.
• Post regular product feedback on the company’s browser in the #dogfooding channel to inform development priorities and user experience improvements.
• Contribute to the company’s open-source repositories on GitHub and maintain visibility through the Speaking in Swift blog.
• Ensure all work aligns with the company’s principle of open source by default, with nearly all contributions landing upstream in LLVM or Swift.
• Support the company’s mission to build a browser that empowers users to grow, create, and stay curious by enabling a robust, performant, and safe Swift-based foundation.

🎯 Requirements

• 4+ years of experience working with language compilers and complex codebases, such as LLVM.
• Experience with Swift and/or C++ in production compiler or toolchain development.
• Strong understanding of build systems, tooling, and optimization techniques including PGO, LTO, and BOLT.
• Ability to work with at least one of the target operating systems: Windows, macOS, Android, or iOS.
• Minimum 4+ hours of overlap with Eastern Time Zone (ET) due to team collaboration requirements.
• Alignment with The Browser Company’s stated values and commitment to open source.

🏖️ Benefits

• Annual base salary range of $295,000 - $350,000 USD, with equity and comprehensive benefits.
• Best-in-class benefits designed to support employees, their families, and work-life balance.
• Remote-first work model with option to work from the company office in Williamsburg, Brooklyn, New York.
• Opportunity to contribute to open-source projects (LLVM, Swift) with visible, community-wide impact.
• Collaborative environment with a talent-dense, remote-first team focused on craftsmanship and innovation.
• Support for diversity and inclusion, with encouragement for women, people of color, and historically marginalized groups to apply.

Skills & Technologies

Java

Swift

Kotlin

GitHub

iOS

Remote

$295k-350k

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The Browser Company of New York Inc.

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About The Browser Company of New York Inc.

Developer of Arc, a Chromium-based web browser designed to rethink tab management and user workflows. Founded in 2019 and headquartered in New York, the company focuses on productivity-oriented features such as split-screen views, customizable spaces, and integrated note-taking. It targets professionals seeking an organized, distraction-free browsing experience across macOS and Windows.

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