Senior SDET – Platform

. Design, build, test, and maintain shared automation frameworks, internal services, and developer tools for multiple QA and engineering teams .

Posted 9/25/2026full-timeRemote • United StatesSenior💰 $198,000 - $281,000 per yearWebsite

Tools & technologies

CloudPython

Key responsibilities & impact

Design, build, test, and maintain shared automation frameworks, internal services, and developer tools for multiple QA and engineering teams
Identify common testing needs and validate functionality, integration, reliability, performance, and usability across application and platform layers
Build and evaluate AI-assisted and agent-based testing capabilities using repeatable evaluations, human oversight, appropriate tool permissions, and fallback behavior
Develop and automate security testing for APIs, applications, and shared platforms
Validate authentication, authorization, access boundaries, and sensitive-data handling; partner with Security teams to verify fixes
Test AI-enabled tooling for incorrect outputs, prompt injection, information exposure, unintended actions, and dependency failures
Integrate reusable quality and security checks into CI/CD workflows with actionable diagnostics, maintainable test data, documentation, and environment compatibility
Investigate failures and production issues in shared tools and platforms
Drive adoption through documentation, demonstrations, mentoring, shared testing practices, and measurement of coverage, manual effort, and feedback time

What you’ll need

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent relevant experience
Typically 6–8 years of experience in software testing, including 3+ years building test automation frameworks, quality engineering tools, or shared testing platforms
Strong programming skills, including Python
Experience applying software design, automated testing, code review, and maintainability practices
Broad hands-on testing experience across APIs, services, user interfaces, and platform integrations
Experience with functional, integration, reliability, and performance testing
Hands-on experience building and evaluating AI-assisted testing solutions, including agent workflows, variable outputs, evaluation criteria, tool permissions, data protection, and failure handling
Experience delivering reusable tooling for multiple teams, with product thinking, documentation, stakeholder collaboration, adoption support, and ongoing maintenance
Strong experience with cloud environments, CI/CD, infrastructure-as-code, and observability
Hands-on security testing experience covering authentication, authorization, API security, and sensitive-data handling
Ability to automate security checks, investigate findings, and collaborate with security specialists

Comp & perks

Medical, dental, vision, life insurance and supplemental income plans for you and your dependents
Headspace app subscription
Monthly wellness allowance
401(k) Plan with a company match
One-time $2K payment for in-home office equipment and furniture
Fully provisioned MacBook Pro
Four weeks of PTO in the first year of employment
Twelve weeks of fully paid parental leave for birthing and non-birthing parents
Up to $5000 each year for professional learning, continuing education and career development
LinkedIn Learning subscriptions
Coaching opportunities through BetterUp
Remote-first work arrangement
Occasional travel may be requested or encouraged but is not required