Posted Sep 30, 2026

Senior SDET – Integration & Platform

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Job Title: Senior SDET – Integration & Platform Location: Remote (U.S.) with required travel for PI planning; possible on-site in Washington, DC, Wilmington, DE, or Philadelphia, PA Employment Type: Contract (W2 through ZipStaff — No C2C or 1099) About the Opportunity: ZipStaff is seeking a Senior SDET for a workflow-driven microservices platform supporting enterprise workforce management at a major passenger-rail and transportation organization. You will own UI, API, and Kafka test strategy, put suites in CI/CD, and mentor engineers. This is a senior automation lead seat—not manual QA. What You’ll Do: - Design, build, and maintain UI and API automation (Playwright, Selenium, REST Assured, Karate, Java, TypeScript). - Validate distributed microservices, state-heavy workflows, REST APIs (functional, performance, security, authn/authz), and Kafka. - Run SQL checks for referential integrity and state transitions. - Build resiliency tests: retries, failure handling, idempotency. - Embed automation in Jenkins, GitHub, or Bitbucket pipelines. - Use CloudWatch, Dynatrace, AppDynamics, or ELK under load. - Set quality gates with developers, POs, and architects. - Mentor engineers; cover modern plus mainframe/batch integrations. Required Qualifications: - Bachelor’s or 7+ years equivalent. - 5+ years manual and automated testing of complex enterprise systems. - Java and TypeScript for automation. - Strong UI, API, and microservices testing. - Strong SQL (relational and NoSQL validation). - Agile / DevOps delivery. - Able to travel for quarterly PI planning (client covers travel, lodging, and select meals). - Must be legally authorized to work in the United States without sponsorship now or in the future. Preferred Qualifications: - Transportation, logistics, rail, or financial platforms. - Kafka / event-driven testing. - JMeter; AWS. - Mainframe / 3270 / batch-to-modern integration testing. About ZipStaff: ZipStaff partners with leading organizations to connect skilled technology professionals with high-impact contract opportunities. We focus on quality matches, clear communication, and long-term success for candidates and clients. To apply, submit your resume highlighting Java/TypeScript automation, API + UI frameworks, Kafka or messaging tests, and CI/CD quality gates.