Senior Software Architect, Browser Extension Platform

Responsibilities

• Define and drive the technical architecture and long-term direction of Keeper’s browser extension platform
• Lead architectural design for complex browser-based features, shared services and cross-platform capabilities
• Design scalable solutions using JavaScript, TypeScript and modern web application technologies
• Guide architecture across Chrome, Edge, Firefox, Safari and other supported browser environments
• Establish patterns for secure communication between browser extension components, web applications, backend services and native integrations
• Lead technical decisions involving extension lifecycle, background services, content scripts, messaging, storage and browser APIs
• Ensure architectural decisions align with Keeper’s zero-knowledge and zero-trust security principles
• Identify and address performance, memory, reliability and scalability challenges across browser environments
• Guide migration and modernization initiatives as browser extension standards and platform capabilities evolve
• Partner with Product and UX teams to translate complex product requirements into scalable technical designs
• Collaborate with Security teams on threat modeling, secure design and remediation of security-sensitive browser functionality
• Lead architecture reviews, design reviews and technical standards across the Browser Extension engineering team
• Mentor senior engineers and help raise engineering quality, architecture discipline and technical decision-making across the team
• Work closely with adjacent Vault, Desktop, Mobile and backend teams where functionality or architecture overlaps
• Use AI-assisted development tools such as Claude, ChatGPT, GitHub Copilot or similar platforms to improve architecture research, prototyping, debugging, code analysis, documentation and engineering efficiency

Requirements

• 10+ years of professional software engineering experience with true full-stack development expertise spanning databases, backend services, APIs, infrastructure and modern user interfaces
• Demonstrated 0-to-1 architecture experience designing and delivering complex software systems from initial concept through production
• Strong knowledge of software architecture and object-oriented design patterns, including common Gang of Four design patterns
• Deep understanding of performance engineering, including profiling, load testing, bottleneck analysis and real-time debugging across the full application stack
• Experience designing highly available, scalable systems and evaluating tradeoffs between centralized and decentralized architectures
• Strong understanding of distributed systems, microservices, serverless architectures and event-driven application design
• Experience with cloud-native technologies and platforms, including AWS, Lambda, Docker and Kubernetes
• Strong understanding of database architecture and data modeling across transactional systems, sharded or horizontally scaled databases and analytical or warehouse platforms
• Experience designing secure authentication, authorization and identity architectures, including IAM, CIEM and least-privilege access concepts
• Strong knowledge of web and application security concepts, including CORS, OWASP guidance and secure software development practices
• Experience with static analysis, code quality or application security tooling such as SonarQube, Checkmarx or similar platforms
• Strong understanding of modern software development methodologies, CI/CD practices, automated testing and release engineering
• Demonstrated ability to make sound architectural tradeoffs across performance, security, scalability, reliability, maintainability and delivery speed
• Ability to troubleshoot complex issues across database, backend, infrastructure, network and UI layers
• Proven ability to lead architecture discussions, influence technical direction and mentor senior engineers without relying on formal people-management authority
• Ability and willingness to use AI-assisted tools such as Claude, ChatGPT, GitHub Copilot or similar platforms to support architecture research, prototyping, debugging, code analysis and technical documentation
• Bachelor’s degree in Computer Science, Engineering or a related field, or equivalent practical experience

Preferred Qualifications

• Deep experience with modern browser applications, browser extensions or client-side platform architecture
• Experience building or integrating enterprise security platforms in areas such as IAM, CIEM, privileged access management or endpoint security
• Familiarity with enterprise product categories such as GRC, Integrated Risk Management (IRM), SCADA or other specialized security and operational platforms
• Familiarity with high-scale SaaS, security-sensitive or zero-trust application architectures
• Experience with compliance and security frameworks such as ISO 27001, SOC 2 and GDPR
• Familiarity with accessibility standards such as WCAG
• Experience with product analytics platforms such as Google Analytics 4 or similar technologies
• Familiarity with modern data and analytics platforms such as Databricks
• Experience with machine learning, AI-enabled products, computer vision or reinforcement learning workflows
• Experience integrating native applications, desktop software or endpoint components with browser or web platforms

Benefits

• Medical, Dental & Vision (inclusive of domestic partnerships)
• Employer Paid Life Insurance & Employee/Spouse/Child Supplemental life
• Voluntary Short/Long Term Disability Insurance
• 401K (Roth/Traditional)
• A generous PTO plan that celebrates your commitment and seniority (including paid Bereavement/Jury Duty, etc)
• Keeper Security, Inc. is an equal opportunity employer and participant in the U.S. Federal E-Verify program. We celebrate diversity and are committed to creating an inclusive environment for all employees.
• Classification : Exempt

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