Windows Developer (Rust)

About 1Password:We all have important information we need to manage, and protecting it should be easy. Over 150,000 businesses and millions of people log in to 1Password to unlock smart, simple access to everything they care about. Our vision is to create a safer, simpler digital future for everyone, and our culture values simplicity, honesty and a human-centric approach to solving problems. Come help us unlock peace of mind so everyone can stay safer online.
Join our Platform Advancement team at 1Password, where we focus on building the foundation that makes our application performant, and tightly integrated with various operating systems. Our team handles the core application shell, the installer, and works with platform-specific functionalities—essentially, leveraging “specific OS and platform technologies” to enhance efficiency and security.
We are seeking a Rust Developer who can contribute to building capabilities in our Windows application and brings a deep understanding of Windows interfacing through Foreign Function Interface (FFI). Your work will directly support our team’s mission of advancing 1Password’s technical foundation and optimizing user experience.
This is a remote opportunity within Canada and the US.

What we're looking for:

• Proven experience with Rust development and creating FFI interfaces, especially for Windows. Knowledge of Windows OS architecture and platform-specific optimization techniques.
• Develop, maintain, and optimize Rust code to enable seamless communication between Rust-based components and Windows applications via FFI.
• Troubleshoot and optimize Rust code for performance and reliability in cross-platform contexts, particularly with Windows and macOS integrations.
• You have 2+ years of experience in software development 
• A drive for and proven experience in software development best practices, and coding standards
• You enjoy solving moderately complex problems with a demonstrated ability to tackle problems and propose effective solutions 
• You like communicating and collaborating and can demonstrate experience in working effectively with team and communicating technical concepts to non-technical cross-functional partners 
• You’re passionate about testing methodologies and debugging techniques to ensure high-quality code

What you can expect:

• Collaborate on the application shell and installer, ensuring consistent integration across different platforms and leveraging platform-native features where possible.
• Code, test, debug, deliver and maintain production software systems for new and existing product features
• Work with your teammates and project manager to communicate technical requirements to stakeholders and solve technical problems in a scalable and realistic way
• Mentor junior and new team members by helping them understand team expectations, providing technical guidance, sharing knowledge, …