Senior Developer, Open Source

Role Description

We are seeking a Senior Developer on our Open Source Team, focused on strengthening 1Password's open source posture and making our developer tools easy to use directly inside developers' workflows through agentic IDE integrations: our Agent Hooks and IDE plugins. You'll serve as a technical leader on the team, owning architectural decisions and driving cohesive execution on medium-to-large projects, from initial planning through development and into customer support.

Qualifications

• Significant professional software development experience, with a track record of independently owning and delivering medium-to-large technical projects end to end.
• Advanced, hands-on command of a modern development toolchain (Git, IDEs, terminal, debugging and testing tools) and the languages relevant to the team's work; comfortable reading, writing, and reviewing others' code.
• Experience designing extensible, maintainable systems, ideally developer tooling, IDE extensions, agent integrations, or actively maintained open source projects.
• Demonstrated ability to set technical direction and make architectural decisions that keep products scalable, secure, and high quality.
• A track record of working effectively in public, engaging with external contributors and upholding a high quality bar in community-facing repositories.
• Interest in agent-assisted development and building tools to make agent-assisted development smoother and more secure.
• Excellent written and verbal communication skills, with the ability to make a project's impact and progress visible to engineering, product, and design stakeholders.
• A security-minded approach consistent with 1Password's principles.

Requirements

• Bonus points for experience maintaining a popular open source project or running open source community engagement.
• Familiarity with AI-enabled or agentic IDEs (e.g., Cursor) and the emerging agent-hook ecosystem.
• Experience contributing to an Open Source Program Office (OSPO) or similar function.

Benefits

• USA-based roles: The annual base salary for this role is between $153,000 USD and $214,000 USD, plus immediate participation in 1Password's benefits program (health, dental, 401k and many others), utilization of our generous paid time off, an equity grant and, where applicable, participation in our incentive programs.
• Canada-based roles: The annual base salary for this role is between $144,000 CAD and $202,000 CAD, plus immediate participation in 1Password’s generous benefits program (health, dental, RRSP and many others), utilization of our generous paid time off, an equity grant and, where applicable, participation in our incentive programs.
• Health and wellbeing: Maternity and parental leave top-up programs, competitive health benefits, generous PTO policy.
• Growth and future: RSU program for most employees, retirement matching program, free 1Password account.
• Community: Paid volunteer days, peer-to-peer recognition through Bonusly, remote-first work environment.

Company Description

1Password is growing. We’ve surpassed $400M in ARR and we’re continuing to accelerate, earning a spot on the Forbes Cloud 100 for four years in a row and teaming up with iconic partners like Oracle Red Bull Racing. At 1Password, we’re building the foundation for a safe, productive digital future. Our mission is to unleash employee productivity without compromising security by ensuring every identity is authentic, every application sign-in is secure, and every device is trusted.

We approach each individual's compensation with a promise of fair market value and internal equity commensurate with experience and specific skill set. Our culture prioritizes collaboration, clear and transparent communication, receptiveness to feedback, and alignment with our core values: keep it simple, lead with honesty, and put people first.