Senior SDET - Integration & Platform

job summary:

Randstad is seeking a Senior SDET - Integration & Platform for a client engagement in Washington, DC. In this role, you will design, implement, and maintain comprehensive test strategies for a complex, workflow-driven distributed microservices platform supporting enterprise workforce management. You will serve as a senior technical leader ensuring system reliability, scalability, and performance by building robust automation frameworks for UI, API, and message-based architectures (Kafka), while mentoring team members, establishing quality gates, and embedding automated suites directly into CI/CD pipelines. This position is remote, with mandatory travel provided for quarterly PI planning sessions, and potential on-site requirements in Washington, DC, Wilmington, or Philadelphia as project needs evolve.

location: Washington, Washington, D.C.

job type: Contract

salary: $55 - 65 per hour

work hours: 9am to 5pm

education: Bachelors



responsibilities:

• Automation Frameworks: Design, build, and maintain scalable automated test frameworks for UI and API testing using Playwright, Selenium, REST-assured, Karate, Java, and TypeScript.
• Integration & Microservices Validation: Validate distributed microservices, state-heavy systems, REST APIs (functional, performance, security, authn/authz), and event-driven message architectures (Kafka).
• Resiliency & Data Integrity: Execute database validations (SQL) to ensure data referential consistency, verify state transitions, and build tests for resiliency scenarios such as retries, failure handling, and idempotency.
• CI/CD & Operational Insights: Integrate test automation into CI/CD pipelines (Jenkins, GitHub, Bitbucket) and leverage monitoring tools (CloudWatch, Dynatrace, AppDynamics, ELK) to analyze logs and system behavior under peak load.
• Quality Leadership: Partner with developers, product owners, and architects to set quality gates, mentor engineers, and drive technical excellence across modern and legacy mainframe/batch integrations.

qualifications:

Minimum Qualifications

Education & Experience: Bachelor's degree (or 7+ years of equivalent experience) plus 5+ years of hands-on experience in manual and automated testing of complex enterprise systems.

Core Technical Skills: Proven proficiency in Java and TypeScript for automation scripting, with strong experience in UI, API, and microservices testing.

Data & Delivery: Strong SQL skills for relational and NoSQL database validation, paired with solid experience working in Agile/DevOps environments.

Preferred Qualifications

Domain & Architecture: Prior experience testing complex, workflow-driven operational environments (transportation, logistics, rail, or financial platforms) and event-driven architectures like Kafka.

Legacy & Performance: Familiarity with performance testing tools (JMeter), cloud environments (AWS), and mainframe/batch-to-modern integration validation (e.g., 3270 systems).

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.