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QA Tester Consultant (Hybrid)

GSK Solutions Inc.Denver, CO🇺🇸United StatesPosted 28 Aug 2026

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
Denver, CO, United States
Posted
Yesterday
DockerDynamoDBNode.jsDatadogGatlingGitGitLab CIJMeterJenkinsKafkaKubernetesPostmanRESTRedisk6

Job Description

Job Title

QA Tester Consultant (Hybrid)

Location

Denver, CO

Duration

4 months

Interview Type

Virtual / In-Person

Note

  • Local candidates preferred; local to Denver. Contract-to-perm: Yes.

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 Node.js 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 Node.js 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.

 

 

Top Skills

S.No

Custom Skill Requirements

Proficiency

1

QA Tester

Expert

2

5–10 years of QA/testing experience in backend or platform engineering

Expert

3

Hands-on experience with performance and load testing tools (k6, Artillery, JMeter, Gatling, or Locust)

Expert

4

Ability to analyze performance metrics — P50/P95/P99 latencies, throughput, error rates, CPU/memory utilization

Expert

5

Strong experience with API testing tools (Postman, REST clients, curl, supertest)

Expert

6

Experience testing event-driven architectures (Kafka, message queues)

Expert

7

Experience with CI/CD pipelines (GitLab CI, Jenkins, or equivalent)

Expert

8

Experience with CI/CD pipelines (GitLab CI, Jenkins, or equivalent)

Expert

9

Experience with Git workflows and branching strategies

Expert

Recruiter

Contact: Kris -


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