Senior Software Engineer, Cryptography & Secrets Management

Overview 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 . 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 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 Employee benefits and privacy information are included for applicants in this description where applicable, including EEO statements and data privacy notices. 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. Equal Opportunity and 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 will be Keeper Security Inc. (US), Keeper Security EMEA Ltd. (Ireland), or Keeper Security APAC K.K (Japan). The following sections outline data we collect, how we use it, who we share it with, international transfers, security, retention, rights, automated decisions, and contact information. Data We Collect, How We Use Your Data, Who We Share With, International Transfers, Security, Retention, Your Rights, Automated Decisions, and Contact information are described in detail in the full policy. 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. For privacy questions, candidates may contact . #J-18808-Ljbffr