Senior Developer, Open Source

Job Title: Senior Developer – Open Source TeamSenior Developer on the Open Source Team, focused on strengthening 1Password's open source posture and making developer tools easy to use directly inside developers' workflows through agentic IDE integrations such as Agent Hooks and IDE plugins. You'll serve as a technical leader, owning architectural decisions and driving cohesive execution on medium‑to‑large projects from initial planning through development and into customer support.
Location: Remote – available in Canada and the US.
Responsibilities
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.
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.
What You Can Expect
Contribute large new features, significant product improvements, and critical bug fixes, such as extending our Agent Hooks across IDEs or building genuine in‑IDE value beyond links to external docs.
Make architectural decisions that keep our integrations and public repositories scalable, secure, and aligned to 1Password's existing security and authentication models.
Contribute to the team's roadmap by identifying technical opportunities and risks up to ~6 months out, then lead execution aligned to team objectives.
Raise the quality bar by identifying lapses in code quality and gaps in testing coverage, anticipating and reporting potential problems, and fostering a high standard of documentation across community‑facing repositories.
Ensure alignment with cross‑functional partners (Partnerships, Product, UX, and the SDK/CLI teams), translating requirements into actionable work.
Drive initiatives that better support 1Password customers on your platform and mitigate issues developers face.
Contribute to a positive, collaborative team environment by modeling best practices, providing constructive feedback, and supporting a sense of shared ownership.
Salary & BenefitsUSA‑based roles only:
Annual base salary $153,000–$214,000 USD plus immediate participation in 1Password's benefits program (health, dental, 401k and many others), generous paid time off, an equity grant, and where applicable, participation in incentive programs.
Canada‑based roles only:
Annual base salary $144,000–$202,000 CAD plus immediate participation in 1Password’s generous benefits program (health, dental, RRSP and many others), generous paid time off, an equity grant, and where applicable, participation in incentive programs.
At 1Password, we approach each individual's compensation with a promise of fair market value and internal equity commensurate with experience and specific skill set.
What We Offer
Maternity and parental leave top‑up programs
Competitive health benefits
Generous PTO policy
RSU program for most employees
Retirement matching program
Free 1Password account
Paid volunteer days
Peer‑to‑peer recognition through Bonusly
Remote‑first work environment
Some roles in our GTM team are currently being hired for in‑person hybrid work in Toronto and Austin. These roles will specify on the posting.
Remote Work PolicyWe are a remote‑first company, but travel for in‑person engagement is a part of almost all roles. Employees are required to be ready and willing to take part in annual department‑wide offsites, team meetings, and customer/industry events.
Equal Opportunity Employer1Password is proud to be an equal‑opportunity employer. We are committed to fostering an inclusive, diverse and equitable workplace that is built on trust, support and respect. We welcome all individuals and do not discriminate on the basis of gender identity and expression, race, ethnicity, disability, sexual orientation, colour, religion, creed, gender, national origin, age, marital status, pregnancy, sex, citizenship, education, languages spoken or veteran status. Be yourself, find your people and share the things you love.
Accommodation is available upon request at any point during our recruitment process. If you require an accommodation, please speak to your talent acquisition partner or email us at View email address on ca.hrm.tc and we’ll work to meet your needs.
Successful applicants will be required to complete a background check that may consist of prior employment verification, reference checks, education confirmation, criminal background, publicly available social media, credit history, or other information, as permitted by local law.
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