Senior Developer (Windows), Product Security

PromptCube; United States; Remote; USD 153,000 - 214,000; Full time

Benefits offered by this job

Remote-first work environment

Health benefits

Equity

RSU program

Retirement matching

Maternity and parental leave top-up

Free 1Password account

Job summary

1Password is seeking a Senior Developer for the Device Security squad within its Product Security team. The role focuses on building next-generation Windows security features, shared security-critical libraries, and secure development practices across 1Password applications, with a remote opportunity in the US and Canada.

The candidate will implement security features for Windows, develop cross-platform libraries, and mentor teammates while collaborating with Design and QA teams to ensure secure

Qualifications

• 4+ years of software development with a security angle.
• Experience with Windows security and encryption techniques.
• Proficient in Rust with Windows FFI.
• Experience with Windows Hello, BitLocker, Secure Boot.
• Strong security knowledge across cryptography and access control.
• Excellent communication skills.

Responsibilities

• Implement Windows-focused security features.
• Develop reusable security libraries.
• Plan and scope security features with tasks and estimates.
• Code, test, and maintain production software.
• Lead security development and mentor peers.
• Collaborate across hybrid core architecture (Design, QA).
• Communicate requirements to stakeholders.
• Review code and stay current with security trends.

Skills

Security-focused

Windows security

Rust

C/C++

C#

Go

TypeScript

Encryption

TPM/HSM

AI knowledge

Communication

Tools

GitHub

GitLab

CI/CD

DataDog

SemGrep

SonarQube

Fortify

Job description

Role overview

1Password, a cybersecurity company known for its enterprise password manager and Unified Access Management, is hiring a Senior Developer for the Device Security squad within its Product Security team. The role focuses on building next-generation Windows security features, shared security-critical libraries, and secure development practices across 1Password applications. It is a remote opportunity within Canada and the US.

Responsibilities

• Implement new security features for the next generation of 1Password, with a focus on Windows.
• Develop secure libraries that share common security-critical code across macOS, iOS, Android, Windows, Linux, and web applications.
• Assist with security design and scoping for new features by identifying major tasks and breaking down, estimating, and planning the work.
• Code, test, debug, deliver, and maintain production software systems for new and existing product features.
• Demonstrate leadership in security development and serve as a trusted point of contact for management and other developers.
• Collaborate with teams across the hybrid core architecture, including Design and QA, as well as security engineering for design guidance and secure coding practices.
• Communicate technical requirements to stakeholders and solve technical problems in a scalable and realistic way with teammates.
• Mentor junior and new team members through technical guidance, knowledge sharing, pair programming, and explaining team expectations; review others' code and stay informed about security development trends and best practices.

Qualifications

• 4+ years of software development experience with a security angle.
• Development experience with modern encryption techniques and libraries or authentication protocols.
• 4+ years of hands-on Windows security development experience, with technical expertise in languages such as Rust, C#, C/C++, Go, or TypeScript.
• Experience with Rust development and creating FFI interfaces, especially for Windows.
• Knowledge of Windows OS architecture and platform-specific optimization techniques.
• Familiarity with TPM and HSM functionality and proven experience with Windows security features such as Windows Hello, BitLocker, Secure Boot, and Credential Guard.
• Strong understanding of and passion for the security domain, which may include cryptography, network security, application security, common threat vectors, and access control mechanisms.
• Excellent written and verbal communication skills, including the ability to communicate nuanced security topics to varied internal audiences and understand them during design.
• Self-starter with strong organizational skills who enjoys solving moderately complex problems and can propose effective solutions.
• Knowledge of and practical experience with Agentic AI model capabilities and workflows.

Application conditions

• Full-time role for an existing vacancy.
• Remote opportunity within Canada and the US.
• Remote work at 1Password means working from your home country.
• Employees must be ready and willing to travel for in-person engagement; frequency depends on role and responsibilities and may include annual department-wide offsites, team meetings, and customer or industry events.
• Successful applicants must complete a background check that may include prior employment verification, reference checks, education confirmation, criminal background, publicly available social media, credit history, or other information as permitted by local law.
• 1Password uses AI and machine learning technologies, including natural language processing and predictive analytics, to assist in initial application screening; candidates may opt out by completing a form.

Preferred qualifications

• Experience with SAML, OAuth, and OpenID Connect.
• Experience working on a SaaS product.
• Leadership experience as a software developer in a team environment.
• Experience with GitHub or GitLab and CI/CD pipelines.
• Experience with system analysis and performance monitoring tools such as DataDog, SemGrep, SonarQube, or Fortify.
• Personal experience using 1Password.

Compensation and benefits

• USA-based roles: annual base salary between $153,000 and $214,000 USD.
• Canada-based roles: annual base salary between $144,000 and $202,000 CAD.
• Immediate participation in the benefits program, including health, dental, 401k in the US or RRSP in Canada, and many other benefits.
• Generous paid time off.
• Equity grant, plus participation in incentive programs where applicable.
• RSU program for most employees.
• Retirement matching program.
• Maternity and parental leave top-up programs.
• Free 1Password account.
• Paid volunteer days and peer-to-peer recognition through Bonusly.
• Remote-first work environment.

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. About 1Password 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 innovated the market-leading enterprise password manager and pioneered Unified Access Management, a new cybersecurity category built for the way people and AI agents work today. As one of the most loved brands in cybersecurity, we take a human-centric approach in everything from product strategy to user experience. Over 180,000 businesses, from Fortune 100 leaders to the world’s most innovative AI companies, trust 1Password to help their teams securely adopt the SaaS and AI tools they need to do their best work.

What we can expect: Work within a small team of developers who are specialists in Rust, Go, Swift, and Security Development Implement new security features for the next generation of 1Password and develop secure libraries to share common security-critical code across our applications Assist in security design efforts or scoping initiatives for new features by identifying major tasks and breaking down, estimating, and planning work Demonstrate leadership in security development and act as a trusted point of contact for management and other developers Code, test, debug, deliver and maintain production software systems for new and existing product features Collaborate with a variety of teams across our hybrid core architecture from Design to QA, as well as security engineering for design guidance and secure coding practices Work with your teammates 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, and engaging in pair programming sessions Review code for others to maintain high code quality, knowledge share within the team, and support creating a safe environment of giving and receiving feedback Stay informed about the latest industry trends, technologies, and best practices in security development USA-based roles only: 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 only: 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. 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. This posting is for an existing vacancy.

Our culture At 1Password, we prioritize collaboration, clear and transparent communication, receptiveness to feedback, and alignment with our core values: keep it simple, lead with honesty, and put people first. You'll be part of a team that challenges the status quo, and is excited to experiment and iterate in search of the best solution. That said, 1Password is not for everyone . Our work is demanding, we strive for excellence, and the pace is fast. We need people who are keen to take on challenging problems, who seek feedback to grow, and who are driven to make an impact.

If you're looking for a place where you can settle into a comfortable routine, this might not be the right fit for you. We're looking for individuals who are proven experts in their fields, as well as those who are highly adaptable, can thrive in ambiguity and through change, are curious, and above all deliver results. How we work with AI We are committed to leveraging cutting-edge technology—including AI—to achieve our mission.

We also understand that thinking critically about AI in its current forms will help us create better solutions for our customers and ourselves with its future forms, which will help us continue to close the gap between security and privacy and achieve our mission. We want team members at all levels to take the approach of actively learning AI best practices, identifying opportunities to apply AI in meaningful ways, and driving innovative solutions in their daily work. Embracing the future of AI isn't just encouraged—it's an essential part of how we will be successful at 1Password.

This approach extends to our hiring process - candidates are welcome to use AI tools responsibly and thoughtfully during the application process. Our approach to remote work We believe in the power of remote work, but recognize that in-person connection is important to help us achieve our mission. While we are a remote-first company, travel for in-person engagement is a part of almost all roles, and we require our employees to be ready and willing to take part. Frequency will depend on role and responsibilities, and may include, but is not limited to: annual department-wide offsites, team meetings, and customer/industry events.

What we offer We believe in working hard, and rewarding that hard work through our benefits. While not an exhaustive list, here is a glance at what we currently offer: 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 *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.

You belong here. 1Password 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 [e-mail] and we'll work to meet your needs. Remote work is a part of our DNA. Given that our company was founded remotely in 2005, we can safely say we're experts at building remote culture. That said, remote work at 1Password does mean working from your home country. If you've got questions or concerns about this, your talent partner would be happy to address them with you.

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. 1Password uses artificial intelligence (AI) and machine learning (ML) technologies, including natural language processing and predictive analytics, to assist in the initial screening of employment applications and improve our recruitment process. See here for the latest third party bias audit information.

If you prefer not to have your application assessed using AI/ML features, you may opt out by completing this form . For additional information see our Candidate Privacy Notice .