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Platform Engineer III

Cedar - Remote - Remote - posted 2026-10-20

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Salary: USD 170,000 - 215,000 / annual

Cedar is a healthcare fintech company on a mission to make healthcare more affordable and accessible by addressing the leading cause of personal bankruptcy in the U.S. The Platform Testing team builds tooling, frameworks, and standards that enable Cedar's engineering teams to test more effectively and reliably. In this role, you will own well-defined testing infrastructure problems independently and partner with senior engineers on broader strategic direction. Your work will directly improve the experience for patients, providers, and customers by making healthcare technology more robust. Key responsibilities include: - Building tooling and metrics that make test quality visible, including reliability, flakiness, and coupling - Establishing code-coverage measurement and helping teams close gaps in highest-risk areas - Improving service-to-service testing as the architecture becomes more distributed - Integrating testing capabilities into CI/CD and developer workflows with Platform engineers - Making great testing easier through better frameworks, documentation, and standards - Connecting tests to product behavior and feature specifications - Owning projects end-to-end from investigation to adoption, and measuring their impact on quality Cedar was founded in 2016 and has raised over $350 million in funding from investors including Andreessen Horowitz and Thrive. As of November 2024, Cedar engages with 26 million patients annually and partners with leading healthcare providers and payers. Requirements: - 4–7 years in software engineering, or as an SDET with substantial software development responsibilities - Proficiency in Python and JavaScript/TypeScript - Deep knowledge of testing strategies from unit through end-to-end, and hands-on use of frameworks such as pytest, Jest, Vitest, Cypress, or Playwright - Experience implementing CI/CD pipelines, including collecting and reporting on test results - Experience measuring test suites through metrics such as coverage, reliability, execution time, or flakiness - Ability to work cross-functionally to improve processes and bring in the right people when needed - Strong written and verbal communication, including turning testing strategy into clear standards and documentation - Comfort working independently once a problem is defined, and genuine curiosity about how software fails Nice to have: - Service-to-service or contract testing (e.g., Pact, Testcontainers), especially during architecture migration - Experience building a test framework from scratch - Time on a platform, developer productivity, or internal tooling team, ideally within a product engineering organization - Experience building AI-assisted testing tools or testing LLM-powered applications - Familiarity with Go or Kotlin, or eagerness to pick up new languages

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