[Remote] Staff Security Software Engineer, Assistant Safety at The Browser Company

North America

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Not SpecifiedCompensation

Senior (5 to 8 years), Expert & Leadership (9+ years)Experience Level

Full TimeJob Type

UnknownVisa

Technology, Browser Development, AIIndustries

Requirements

5+ years leading large-scale security engineering projects and shipping security features in production
Strong coding skills in one or more of: Golang, Swift, TypeScript, or Python. Comfortable working across native client and backend services
Excellent cross-functional communication; able to align and coordinate across Product, Infra, IT, and Legal to deliver high-impact outcomes quickly
Privacy-minded with a bias for high-velocity execution and clear prioritization
Based in North American time zones with 4+ hours of overlap time with team members in Eastern Time Zone
Resonates with company values
(Nice to have) Familiarity with client side software development. Familiarity with browser or Chromium development a plus
(Nice to have) Familiarity with AI/LLM security risks (prompt injection)

Responsibilities

Design and ship AI security features in the Dia product and our Prompt Safety service
Drive Dia’s security architecture and threat modeling across client and backend surfaces with an AI-first threat lens
Develop AI-aware defenses that make our systems intrinsically secure, with guardrails against prompt injection/jailbreaks, output filtering/policy enforcement, red teaming/adversarial testing, and incident playbooks
Establish metrics and dashboards tracking the effectiveness of our security infrastructure and AI defense to guide priority and measure impact
Architect and deliver AI security features for Dia, including building out the future of LLM protections, AI fuzzing integration, managed accounts, and advanced authentication/authorization controls
Architect and implement LLM assisted fuzzing for Dia’s Assistant and the Prompt Safety Service
Collaborate with engineering and product teams to embed secure-by-default patterns and frameworks throughout Dia’s codebase
Drive the creation and evolution of security metrics and dashboards to measure and communicate impact across the organization
Join our team’s on-call rotation, helping the team keep our services reliable and responding to production and security incidents

Skills

Security Engineering

AI Security

Threat Modeling

Prompt Injection

Security Architecture

Prompt Safety

Client Security

Server Security

Data Exfiltration Prevention

The Browser Company

Develops a user-friendly web browser

About The Browser Company

The Browser Company develops a web browser called Arc, which focuses on providing a more intuitive and organized online experience for users. Arc is designed to be user-friendly and efficient, aiming to improve how people interact with the internet compared to traditional browsers. Unlike many existing browsers, Arc seeks to streamline the browsing process, making it easier for users to manage their online activities. The Browser Company differentiates itself from competitors by targeting a more modern and simplified user experience, backed by a team of experienced professionals from notable tech companies. Their goal is to enhance the way users navigate the web, potentially disrupting the current browser market with their fresh approach.

New York City, New YorkHeadquarters

2019Year Founded

$133.1MTotal Funding

LATE_VCCompany Stage

Consumer SoftwareIndustries

51-200Employees

Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Plan

401(k) Company Match

Unlimited Paid Time Off

Remote Work Options

Paid Vacation

Paid Sick Leave

Paid Holidays

Home Office Stipend

Paid Parental Leave

Risks

Arc's recent security vulnerability could undermine user trust and adoption.

Dia may face competition from established AI-integrated browsers like Microsoft's Edge.

The freemium model may limit revenue if premium features aren't compelling.

Differentiation

Arc offers a more personal and creative browsing experience than traditional browsers.

The Browser Company is led by seasoned tech professionals from Instagram, Tesla, and Google.

Arc's AI-powered features, like 'Call Arc', enhance user interaction and efficiency.

Upsides

The Browser Company raised $50 million, valuing it at $550 million.

Growing demand for personalized browsing experiences supports Arc's market entry.

The launch of AI-centric browser Dia could attract a wider audience in 2025.

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