Senior Software Engineer, Autofill
Role details
Job location
Tech stack
Job description
As a Senior Autofill Engineer, you will be responsible for designing, implementing, and maintaining Keeper's browser-based autofill systems. You will own the logic that detects, interprets, and fills login and credential forms across complex web applications and browsers. Your work will directly enhance the speed, accuracy, and reliability of Keeper's autofill experience for users across Chrome, Edge, Firefox, and Safari extensions., * Design, build, and maintain autofill detection and injection systems within Keeper's browser extension
- Implement and optimize form-field recognition, credential mapping, and autofill heuristics across a wide variety of web architectures
- Ensure compatibility, performance, 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 efforts to ensure scalability and long-term maintainability of autofill features
- Work closely with QA to automate regression tests and validate autofill behavior across browsers and frameworks, This notice explains how Keeper Security processes your personal data during recruitment. Depending on the role and location, the Controller of personal data (the organization responsible for determining why and how personal data is processed) will be Keeper Security Inc. (US), Keeper Security EMEA Ltd. (Ireland), or Keeper Security APAC K.K (Japan).
- Data We Collect, * We may ask you to voluntarily provide diversity information including race/ethnicity, gender, disability status and veteran status (US). Providing this information is optional and Keeper collects this data in order to comply with EEOC and similar requirements
- How We Use Your Data
- Assess your application and suitability
- Manage interviews and recruitment workflow
- Consider you for other/future roles (we may seek your consent to keep your information on our systems beyond the retention period specified)
- Comply with employment law obligations
- Legal Basis
- Legitimate Interests (recruitment management, security and integrity of the hiring process)
- Contracting steps (for progressed candidates)
- Legal and regulatory compliance obligations; explicit consent where required
- Who We Share Information With
Internal
- HR, hiring managers, interviewers*, IT support for system administration
- Note - diversity and equal opportunity data is not shared with hiring managers.
Third Parties
Service providers who assist with:
- Applicant tracking, recruitment systems and assessment providers
- Background verification vendors (post offer)
- Recruitment agencies (where applicable)
- Tools to support communication, collaboration and to securely store your data
Keeper ensures that all our third parties are contractually bound to protect your personal data with adequate safeguards in place.
- International Transfers
Your data may be accessed by Keeper entities globally as needed for the purposes of hiring and decision making. We protect any such data transfer between Keeper entities using appropriate safeguards under applicable data protection laws.
- Security
We implement appropriate technical and organizational measures to protect your data, consistent with our industry leading security standards.
- Retention
We keep your data for 24 months from your last application activity, then delete or anonymize it.
Exceptions
- You opt into our talent database for further retention by providing consent (extended retention)
- You're hired (transfers to employee records)
- Your Rights
You have the following rights and can contact us at the email below to exercise them:
- Access, correct, or delete your data, subject to applicable law and retention requirements
- Object to or restrict processing
- Withdraw consent (where applicable)
- Request data portability
- Lodge a complaint with your data protection authority
If you become an employee, your rights regarding your employee record are governed by our internal Employee Privacy Notice and certain data will be retained as required under relevant laws such as employment or tax law., Manage, protect and monitor all your organization's passwords, secrets and remote connections with zero-trust security
Requirements
- 5+ years of experience in JavaScript and/or TypeScript development
- Strong experience with React and modern state management patterns
- 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 browser extensions across multiple browsers
- Strong understanding of browser security models, content scripts, and extension permissions
- Excellent problem-solving skills with 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)
- Familiarity with SPA frameworks (React, Angular, Vue) and how they impact form detection
- Experience optimizing autofill reliability and performance at scale
- Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience
Benefits & conditions
- 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.
