Senior SDET – Test Automation, Performance Engineering

🔥 11 hours ago

🇲🇽 Mexico – Remote

⏳ Contract/Temporary

🟠 Senior

⚙️ Software Development Engineer in Test (SDET)

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Tech Holding

WebsiteLinkedInAll Job Openings

51 - 200 employees

💼 Consulting

📣 Marketing

📦 Logistics

Consulting • Marketing • Logistics

Tech Holding is a global technology solution company that provides Professional Services, Managed Services, and Staffing Solutions. Specializing in digital transformation and business growth, the company leverages its extensive industry knowledge and technological expertise to assist businesses in navigating the digital landscape. Tech Holding is committed to optimizing business operations and supplying the necessary talent to help clients achieve strategic objectives, making them a trusted partner for leading companies worldwide.

📋 Description

• 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 • Build automated testing for distributed services and integrations in AWS environments • Design and execute load, stress, spike, soak, scalability, degradation, and recovery tests • Translate performance and capacity scenarios into repeatable automated 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 quality and release gates • Create automated release checks tied to quality, latency, reliability, and performance thresholds • Identify, quarantine, diagnose, and eliminate flaky tests • Improve test observability and failure reporting • Build and maintain 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 reduce escaped defects, flaky tests, manual release effort, and regression risk • Coach engineers on testability, automation, quality ownership, and defect prevention

🎯 Requirements

• Strong experience as 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 • Hands-on experience working within AWS environments • Strong experience building automated API and integration test frameworks • Hands-on performance and scalability testing experience using tools such as k6, Gatling, Locust, JMeter, or equivalent • Experience designing realistic performance workloads rather than simply executing predefined load tests • Experience with load, stress, spike, soak, and scalability testing • Strong experience integrating automated tests into CI/CD pipelines • Experience establishing automated quality gates and release criteria • Experience with contract testing and testing across service boundaries • Strong understanding of test-data management, synthetic data, fixtures, mocks, and environment reliability • Experience using logs, metrics, traces, and other observability tools to diagnose test and system failures • Strong debugging skills across applications, APIs, infrastructure, databases, and integrations • Experience identifying and reducing flaky or unreliable automated tests • Ability to influence engineering teams and promote shared ownership of quality without becoming a centralized testing bottleneck

🏖️ Benefits

• Equal Opportunity Employer committed to fostering a diverse and inclusive workplace • Application process accommodation available through HR