DescriptionKeeper Security is hiring a Senior Software Development Engineer in Test (SDET) to focus on API and security testing for our enterprise-grade applications. In this role, you will design, build, and maintain automated test frameworks and tooling to validate the quality, reliability, and security of Keeper's APIs, SDKs, and automation workflows. This is a 100% remote position, with an opportunity for a hybrid schedule for candidates based in the El Dorado Hills, CA area.
About the JobAs a Senior SDET, you will play a critical role in ensuring the reliability, performance, and security of Keeper's API services. You'll work closely with developers, QA engineers, and product managers to design and implement automated test suites that validate API functionality, enforce secure access patterns, and proactively identify vulnerabilities or regressions across our platform.
Responsibilities- Lead the design, architecture, and implementation of scalable automated test frameworks for RESTful and GraphQL APIs, ensuring high reliability across distributed and microservice-based systems
- Define and implement advanced API validation strategies, including authentication, authorization, rate limiting, and error handling
- Conduct security-focused testing, including token validation, input fuzzing, and access control verification
- Own the integration of automated API and security test suites into CI/CD pipelines and ensure coverage across staging and production-like environments
- Collaborate with developers to test API contract adherence and backward compatibility
- Lead the evaluation and testing of secure integrations with third-party services and identity providers
- Analyze test failures and production incidents to continuously improve test coverage and reliability
- Mentor other automation engineers and contribute to automation architecture and roadmap planning
Requirements- 5+ years of experience in QA automation, with a strong focus on API testing
- Proficiency in tools such as Postman, REST Assured, or similar API test frameworks
- Experience scripting in Python, JavaScript, or a comparable language
- Strong hands-on experience developing automated tests using Pytest is required and experience with Jest for JavaScript/TypeScript testing is preferred
- Familiarity with OAuth2, JWT, API keys, and other authentication methods
- Understanding of common API vulnerabilities (e.g., OWASP API Top 10) and how to test for them
- Experience integrating automated tests into CI/CD GitHub Actions pipeline
- Solid understanding of HTTP, JSON, and common API protocols
- ECC & RSA encryption knowledge is desirable
- Strong communication and collaboration skills
Preferred Qualifications
- Experience with security-focused testing tools (e.g., Burp Suite, OWASP ZAP)
- Exposure to security compliance frameworks (e.g., SOC 2, ISO 27001, FedRAMP)
- Familiarity with cloud services (e.g., AWS API Gateway, Lambda, Secrets Manager)
- Background in performance testing or load testing APIs
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)
Classification:
Exempt 
