Senior Software Engineer

Description Keeper Security is hiring a Senior Software Engineer to join our Keeper Secrets Manager (KSM) team. This is a 100% remote position, with an opportunity to work a hybrid schedule for candidates based in the El Dorado Hills, CA area. Keeper’s cybersecurity software is trusted by millions of people and thousands of organizations globally. Keeper is published in 23 languages and sold in over 150 countries. Join one of the fastest-growing cybersecurity companies and help build and scale one of our core security products used by developers and enterprises worldwide. About Keeper Keeper Security is transforming cybersecurity for organizations globally with zero-trust privileged access management built with end-to-end encryption. Keeper’s cybersecurity solutions are FedRAMP and StateRAMP Authorized, SOC 2 compliant, FIPS 140-2 validated, as well as ISO 27001, 27017 and 27018 certified. Keeper deploys in minutes, not months, and seamlessly integrates with any tech stack to prevent breaches, reduce help desk costs and ensure compliance. Trusted by millions of individuals and thousands of organizations, Keeper is the leader for password, passkey and secrets management, privileged access, secure remote access and encrypted messaging. Learn how our zero-trust and zero-knowledge solutions defend against cyber threats at KeeperSecurity.com . About the Job As a Senior Software Engineer on the KSM team, you will design, develop, and maintain security-critical backend services, SDKs, and integrations that power Keeper Secrets Manager. This role requires a polyglot engineer with deep cryptography expertise. You will work across multiple programming languages and SDKs and are expected to understand cryptographic primitives at an implementation level, not just through high-level libraries. This is not a single-language role.. You will collaborate closely with other senior engineers and security leaders to ensure KSM meets the highest standards for security, correctness, and long-term maintainability. Responsibilities: Design, develop, and maintain secure backend services and APIs for Keeper Secrets Manager Build and maintain SDKs and integrations used by developers across multiple languages Implement and review cryptographic functionality including encryption, key management, and signing workflows Work fluently across multiple programming languages depending on SDK, platform, and security requirements Contribute to architectural decisions related to cryptography, secrets handling, and secure system design Ensure performance, reliability, and security of KSM services in production environments Participate in code reviews with a strong focus on correctness, security, and cryptographic soundness Maintain clear technical documentation and contribute to open-source components where applicable Stay current with modern cryptography standards, emerging threats, and post-quantum developments Requirements: 5+ years of professional software engineering experience in backend or platform development Strong proficiency across multiple programming languages, including several of the following: Java, JavaScript, Python, .NET, Go, Rust, and Ruby Demonstrated ability to move fluently between languages based on SDK, platform, performance, or security requirements Strong understanding of cryptography concepts, including symmetric and asymmetric encryption, elliptic curve cryptography, and secure key management Familiarity with post-quantum cryptography concepts and emerging algorithms Experience implementing, reviewing, or debugging cryptographic code beyond simply calling third-party libraries Strong understanding of secure coding practices, threat modeling, and secrets management systems Experience designing and building APIs, SDKs, or integration-heavy platforms Strong problem-solving, debugging, and communication skills Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience 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 Keeper Candidate Privacy Notice 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). 1. Data We Collect Information You provide: Contact details, CV/resume, cover letter Employment history, qualifications, work eligibility Application responses and uploaded documents Information We generate: Interview notes, assessments, communications Scheduling information Information From Others: Recruiter/referral information who submit your profile References (with your consent, before final offer) Public professional profiles Background verification (post offer) Voluntary Diversity and Equal Opportunity Information 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 2. 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 3. 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 4. 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. 5. 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. 6. Security We implement appropriate technical and organizational measures to protect your data, consistent with our industry leading security standards. 7. 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) 8. 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. When you request access to your personal data, some information may be redacted if it includes the personal data of other individuals or information that we must protect in order to preserve their privacy rights. 9. Automated Decisions Keeper does not make hiring decisions using solely automated processing. 10. Contact - Candidates can send privacy questions to: View email address on click.appcast.io