Senior SDET: Automation, API & Performance (Remote)

Techholding

United States

Remote

USD 120,000 - 170,000

Full time

11 days ago

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Job summary

Tech Holding is seeking a Senior SDET / Test Automation Engineer for a project-based assignment to build automated testing and release systems in AWS. This hands-on role focuses on test automation, API and integration testing, performance, scalability testing, and CI/CD quality gates.

You will design reusable test infrastructure, automate critical workflows, and provide engineers with clear evidence of production readiness.

Qualifications

Experience as an SDET or QA-focused testing engineer.
Strong API and cloud-based testing experience.
Hands-on AWS environment testing.
Experience integrating tests into CI/CD pipelines.
Familiarity with load/stress testing and performance metrics.

Responsibilities

Design and evolve the automated testing architecture across products and engineering teams.
Build and maintain automated API, integration, contract, end-to-end, regression, and UI tests where appropriate.
Develop reusable test frameworks, fixtures, synthetic data, mocks, and environment strategies.
Build automated testing for distributed services and integrations running within AWS environments.
Design and execute load, stress, spike, soak, scalability, degradation, and recovery tests.
Translate performance and capacity scenarios into repeatable automated test suites with measurable pass/fail thresholds.
Model realistic workloads, concurrency levels, traffic patterns, data volumes, and dependency behavior.
Integrate automated suites into CI/CD pipelines and establish enforceable quality and release gates.
Create automated release checks tied to quality, latency, reliability, and performance thresholds.
Establish practices for identifying, quarantining, diagnosing, and eliminating flaky tests.
Improve test observability and failure reporting so engineers can quickly understand and diagnose issues.
Build and maintain reliable test data and test environment strategies.
Debug failures across APIs, services, databases, infrastructure, and external integrations.
Partner with Performance & Reliability Engineering to validate scalability assumptions and production readiness.
Partner with Security Engineering on permissions, isolation, negative-path, and abuse-related test scenarios.
Track testing trends and help reduce escaped defects, flaky tests, manual release effort, and regression risk.
Coach engineers on testability, automation, quality ownership, and defect-prevention practices.