Senior SDET – Integration & Platform

ZipStaff Inc.; Washington (District of Columbia); Remote; USD 120,000 - 160,000; Full time

Job summary

ZipStaff Inc. is seeking a Senior SDET for a workflow-driven microservices platform. You will own UI, API, and Kafka test strategy, and mentor engineers. Remote US with quarterly travel for PI planning; on-site options in Washington DC, Wilmington DE, or Philadelphia PA.

The role emphasizes automation over manual QA, CI/CD integration, and testing across distributed services, with emphasis on Java/TypeScript.

Qualifications

• Bachelor's degree or 7+ years equivalent.
• 5+ years testing of complex enterprise systems (manual and automated).
• Java and TypeScript for automation.
• Strong UI, API, and microservices testing.
• Strong SQL validation (relational and NoSQL).
• 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.

Responsibilities

• 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.

Skills

UI testing

API testing

Microservices testing

Playwright

Selenium

REST Assured

Karate

Java

TypeScript

SQL

Agile / DevOps

CI/CD

Mentoring

Education

Bachelor's degree or 7+ years equivalent

Tools

Playwright

Selenium

REST Assured

Karate

Jenkins

GitHub

Bitbucket pipelines

Job description

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.