Company Description Lumen Solutions Group Inc. is a technology consulting Services company based in Florida. We provide a wide array of experienced business and IT professionals supporting clients from solution design to implementation and support. We specialize in professional IT consulting services, IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, and Enterprise Transformation.
Role: SDETLocation: Washington – DC (Remote) Job Type: Contract
The SDET is responsible for designing, implementing, and maintaining comprehensive test strategies for Company’s Transportation platform. This platform operates within a complex, workflow-driven, distributed microservices ecosystem that supports Company’s workforce management platforms.
In this role, you will ensure the reliability, scalability, and performance of mission-critical systems by building robust testing frameworks and driving quality across services and integrations. As a senior member of the team, you will provide technical leadership by championing a quality-first mindset, mentoring engineers, influencing cross-functional stakeholders, and driving the evolution of testing practices to enhance engineering excellence, system resiliency, and operational reliability.
Essential Responsibilities- Design and execute end-to-end test strategies for workflow-driven and state-heavy systems.
- Develop and maintain automated test frameworks for UI and API testing (Playwright, Selenium, REST-assured, Karate, or similar).
- Validate REST APIs for functional and NFRs
- Validate REST REST API authn and authz security and role-based access, integration points, and distributed microservices.
- Perform database record and element validations to ensure data integrity, referential consistency, and correct state transitions.
- Validate event-driven process flows and message-based integrations (Kafka or similar technologies).
- Develop tests for resilience scenarios including retries, failure handling, and idempotency.
- Conduct performance and load testing to validate behavior under peak operational conditions.
- Integrate automation suites into CI/CD pipelines (Jenkins, GitHub, Bitbucket, or equivalent).
- Analyze logs and monitoring data (CloudWatch, Dynatrace, AppDynamics, ELK/EFK or similar) to validate system behavior.
- Collaborate with product owners, developers, and architects to define test strategy and quality gates during design and implementation phases.
Minimum Qualifications- Bachelor’s degree or 7+ years relevant work experience.
- 5+ years of experience in manual and automated testing of enterprise systems.
- Strong experience in UI and API automation.
- Proficiency in Java and TypeScript for automation scripting.
- Experience testing microservices-based architecture.
- Strong SQL skills and experience validating relational and/or NoSQL databases.
- Experience working in Agile environments.
- Strong analytical and problem-solving skills.
Preferred Qualifications- Experience testing complex workflow-driven or operational systems (e.g., logistics, transportation, rail, financial transaction platforms).
- Experience with event-driven or message-based systems (Kafka preferred).
- Experience with performance testing tools (JMeter or similar).
- Familiarity with AWS or other cloud environments.
- Familiarity with legacy mainframe or green-screen systems (e.g., 3270), batch processing, and legacy-to-modern system integration validation.
Lumen Solutions Group Inc is an equal opportunity employer. All qualified applicants will be considered for employment without regard to any legally protected status