QA Tester- Senior

Please Contact: To discuss this amazing opportunity reach out to our Talent Acquisition Specialist Sinchan Chakraborty at email address Sinchan Chakraborty can be reached on # .

We have Contract role QA Tester- Senior for client at Denver CO. Please let me know if you or any of your friends would be interested in this position.

Position Details:

QA Tester- Senior- Denver CO

Location : Denver CO 80201 Onsite Contract to Hire

Project Duration: 4 months

Pay Rate: $50/hour on W2

Job Description:

Design and execute test plans for RESTful APIs Kafka message processors and Redis-based job schedulers

Build and maintain automated test suites (unit integration functional end-to-end)

Design and execute performance and load tests to validate system behavior under peak traffic sustained load and stress conditions

Establish performance baselines define SLAs (throughput latency error rates) and track regressions across releases

Conduct soak tests to identify memory leaks connection pool exhaustion and resource degradation over time

Validate library upgrades and dependency changes across the shared library ecosystem (lantern-utils lantern-nest-utils lantern-logger lantern-requester lantern-scheduler)

Test containerized services in Docker and Kubernetes (EKS) environments

Validate CI/CD pipelines (GitLab CI) ensure builds tests and deployments function correctly

Perform regression testing for runtime upgrades (e.g. Node 18 Node 24 migrations)

Collaborate with developers to define acceptance criteria and testability requirements

Monitor and validate application performance using Datadog APM (dd-trace)

Test Redis cluster interactions DynamoDB operations and Kafka consumer/producer flows

Identify document and track defects through resolution

Deliverables:

Process Flows

Mentor and Knowledge transfer to client project team members

Participate as primary co and/or contributing author on any and all project deliverables associated with their assigned areas of responsibility

Participate in data conversion and data maintenance

Provide best practice and industry specific solutions

Advise on and provide alternative (out of the box) solutions

Provide thought leadership as well as hands on technical configuration/development as needed.

Participate as a team member of the functional team

Perform other duties as assigned.

To discuss this amazing opportunity reach out to our Talent Acquisition Specialist Sinchan Chakraborty at email address Sinchan Chakraborty can be reached on # .

About generis tek: generis tek is a boutique it/professional staffing based in Chicago land. We offer both contingent labor & permanent placement services to several fortune 500 clients nationwide. Our philosophy is based on delivering long-term value and build lasting relationships with our clients consultants and employees. Our fundamental success lies in understanding our clients specific needs and working very closely with our consultants to create a right fit for both sides. We aspire to be our client has most trusted business partner.