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# SDET - Integration & Platform

- **Company:** Cornerstone Barricades
- **Location:** Washington, DC, United States (Remote available)
- **Experience:** Expert
- **Salary:** $91,520 - $95,680
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Automation of Tests, Continuous Integration, Data Integrity, DevOps, Github, Apache JMeter, Mainframes, NoSQL, Standard Sql, Selenium, SQL Databases, Strategies of Testing, TypeScript, Bitbucket Pipelines, Integration Tests, Playwright, Apache Kafka, Cloudwatch, Restful APIs, Appdynamics, Dynatrace, Jenkins, Microservices
- **Published:** October 27, 2026
- **Apply:** https://zipstaff.betterteam.com/senior-sdet-integration-platform/apply/standard

## About the Role

* 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., * Transportation, logistics, rail, or financial platforms.
 * Kafka / event-driven testing.
 * JMeter; AWS.
 * Mainframe / 3270 / batch-to-modern integration testing.

## Description

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.