Keeper Security, Inc. · 1 day ago
Senior Software Engineer, Cryptography & Secrets Management
El Dorado Hills, CA
Contract
Hybrid
Senior Level
5+ years expKeeper Security is a rapidly growing cybersecurity company that is seeking a Senior Software Engineer to join their Keeper Secrets Manager team. In this role, you will design, develop, and maintain security-critical backend services and SDKs while collaborating with other engineers to ensure high standards of security and maintainability.
Cloud SecurityCyber SecurityIdentity ManagementSecuritySoftware
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
Qualification
Required
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)
Company
Keeper Security, Inc.
Keeper Security is transforming cybersecurity for millions of individuals and thousands of organizations globally.
501-1000 employees
H1B Sponsorship
Keeper Security, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2021 (1)
Funding
Current Stage
Late StageTotal Funding
$60.25MKey Investors
Summit PartnersInsight Partners
2023-05-09Private Equity
2020-08-13Private Equity· $60M
2011-01-01Seed· $0.25M
Leadership Team
Darren Guccione
Co-founder and CEO
Craig Lurey
Co-founder and CTO
Recent News
2025-12-25
Company data provided by crunchbase