Senior Frontend Engineer, Extensions & Security AI

Cerby; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

Cerb y is seeking a Sr. Software Engineer (Frontend) for the Extensions Team to own the quality, performance, and security of the extension end-to-end. You will lead a security-first engineering culture, embracing AI-assisted tools to improve efficiency and impact across the team.

You will design scalable frontend features, collaborate with product and design, and drive best practices while shipping reliable, secure code in a remote-first environment.

Qualifications

• 5+ years of professional software engineering experience in SaaS.
• Experience developing and maintaining distributed applications.
• Experience mentoring junior developers and conducting security-first code reviews.

Responsibilities

• Design and Develop: Build scalable, high-performance frontend extensions.
• Collaborate: Work with product managers, designers, and engineers to deliver features.
• Code Excellence: Write clean, maintainable code and promote best practices, including AI tool usage where appropriate.
• Continuous Improvement: Participate in code reviews and share knowledge across the team.
• Innovation and Curiosity: Explore new technologies to evolve the product and processes.
• Security Mindset: Identify vulnerabilities and enforce secure coding and dependency governance.
• Remote Collaboration: Communicate effectively across time zones in a remote-first setup.
• Culture: Lead by example and mentor others while living Cerby's values.
• Problem-Solving: Analyze issues and deliver robust solutions.
• Communication Skills: Convey complex concepts clearly in writing and speech.
• Team Collaboration: Foster cross-team collaboration and accelerate documentation and onboarding.

Skills

React & TS

TailwindCSS

REST APIs

Front-end security

OAuth 2.0 / OIDC

CI/CD & testing

Tools

Manifest V3

Chrome Extensions

OpenTelemetry

Job description

Cerb y is seeking a Sr. Software Engineer (Frontend) for the Extensions Team to own the quality, performance, and security of the extension end-to-end. You will lead a security-first engineering culture, embracing AI-assisted tools to improve efficiency and impact across the team.

You will design scalable frontend features, collaborate with product and design, and drive best practices while shipping reliable, secure code in a remote-first environment.