Senior Software Engineer, Autofill

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November 12

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Keeper Security, Inc.

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Cybersecurity • Enterprise • SaaS

Keeper Security, Inc. is a leading cybersecurity company known for its comprehensive and AI-enabled platform designed to protect individuals and enterprises from data breaches and ransomware. Their wide array of products includes a password manager, privileged access manager, secrets manager, and remote browser isolation services, among others. They focus on zero-trust security models, offering solutions for password management, secrets management, secure remote access, and compliance. The company serves a global clientele, safeguarding millions of users, and is recognized for its strength and cost-efficiency in password and secrets management solutions.

201 - 500 employees

Founded 2011

🔒 Cybersecurity

🏢 Enterprise

☁️ SaaS

📋 Description

• Design, build, and maintain the autofill detection and injection systems within Keeper’s Browser Extension • Implement and optimize form-field recognition, credential mapping, and autofill heuristics for a variety of web architectures • Ensure compatibility and reliability across major browsers (Chrome, Edge, Firefox, and Safari) • Collaborate with the Browser Extension team to integrate autofill logic with existing Keeper APIs, storage, and credential services • Debug, test, and resolve complex issues in real-world web environments and dynamic single-page applications (SPAs) • Stay up to date with browser API updates (WebExtensions, Manifest V3) and ensure compatibility across evolving browser platforms • Participate in code reviews, testing, and continuous improvement of autofill features to ensure scalability, performance, and reliability • Work closely with QA to automate regression tests and validate autofill behavior across browsers and frameworks

🎯 Requirements

• 5+ years of experience in JavaScript/TypeScript development • 5+ years of experience in React & Redux development • 3+ years of experience working on browser extensions using WebExtensions APIs, Manifest V3, or similar browser frameworks • Strong knowledge of DOM manipulation, form parsing, and input field detection techniques • Proven experience building or maintaining autofill, form-detection, or credential-injection systems • Familiarity with Jira, Jest, and modern frontend development practices • Experience debugging and profiling extensions across multiple browsers • Strong understanding of browser security models, content scripts, and extension permissions • Excellent problem-solving skills and the ability to debug and optimize performance in large codebases • Strong communication skills and ability to collaborate in a remote, cross-functional environment • Experience with credential or password managers (e.g., Keeper, 1Password, Dashlane, Bitwarden, LastPass) (Preferred) • Familiarity with SPA frameworks (React, Angular, Vue) and how they impact form detection (Preferred) • Experience optimizing autofill reliability and performance at scale (Preferred) • Bachelor’s degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience (Preferred)

🏖️ 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)