Senior SDET

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Senior SDET in Remote new

Tech Holding
Full time
Email

Remote
08/16/2026
Report

Mexico

Responsibilities

Design and evolve automated testing architecture across products and engineering teams.
Build and maintain automated API, integration, contract, end-to-end, regression, and appropriate UI tests.
Develop reusable test frameworks, fixtures, synthetic data, mocks, and environment strategies.
Create and execute automated load, stress, spike, soak, scalability, degradation, and recovery tests with measurable thresholds.
Model realistic workloads, concurrency, traffic patterns, data volumes, and dependency behavior.
Integrate test suites into CI/CD pipelines and establish enforceable quality and release gates.
Improve test observability, failure reporting, test-data reliability, and environment strategies.
Debug failures across APIs, services, databases, infrastructure, and external integrations.
Partner with performance, reliability, security, and engineering teams to validate scalability, security scenarios, and production readiness.
Coach engineers on testability, automation, quality ownership, and defect prevention while reducing flaky tests, escaped defects, and manual release effort.

Requirements

Strong experience in an SDET, Software Engineer in Test, Test Automation Engineer, Quality Engineer, or similar engineering-focused testing role.
Strong software development and test automation skills.
Experience testing APIs, distributed services, integrations, and cloud-based applications in AWS environments.
Experience building automated API and integration test frameworks and integrating tests into CI/CD pipelines.
Hands-on performance and scalability testing experience with tools such as k6, Gatling, Locust, JMeter, or equivalent.
Experience designing realistic performance workloads and conducting load, stress, spike, soak, and scalability testing.
Experience with automated quality gates, release criteria, contract testing, test-data management, synthetic data, fixtures, mocks, and reliable test environments.
Experience using logs, metrics, traces, and observability tools to diagnose failures across applications, APIs, infrastructure, databases, and integrations.
Experience identifying and reducing flaky automated tests.
Nice-to-have experience includes high-scale SaaS or distributed platforms, resilience and recovery testing, infrastructure-as-code, ephemeral test environments, security-adjacent testing, identity, DNS, registries, security domains, and quality platforms used across multiple engineering teams.

Benefits

Contract employment
Remote position based in Mexico

Tech Holding

Tech Holding is a full-service consulting firm that was founded on the premise of delivering predictable outcomes for our clients. Our founders and team members have industry experience and held senior positions in a wide variety of companies – from emerging startups to large Fortune 50 firms – a...

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