Senior SDET / AI Quality Engineer- Remote in México

Important IT company At the Latin American level, growth requires: Senior SDET / AI Quality Engineer mportant IT company At the Latin American level, growth requires: We are looking for a Senior SDET / AI Quality Engineer to design, build, and evolve automation strategies for modern software platforms, including AI-powered and agentic applications. This role requires a s trong engineering mindset, deep automation expertise, and the ability to drive quality across the entire software development lifecycle. Possess practical experience with automation frameworks, API testing, CI/CD quality practices , and emerging AI validation techniques. You will collaborate with engineering, product, and AI teams to ensure the reliability, correctness, security, and scalability of complex systems. Responsibilities: Design, develop, and maintain scalable automation frameworks for UI, API, integration, and end-to-end testing. Build automation solutions using modern testing frameworks and programming languages. Own quality engineering practices across the SDLC, from requirements validation to production monitoring. Develop automated test strategies for AI-powered applications, including agentic workflows, tool usage, decision paths, and failure scenarios. Validate AI system behavior across deterministic and non-deterministic scenarios. Create test approaches for LLM-based systems, including prompt validation, response quality evaluation, regression testing, and guardrail verification. Integrate automated testing into CI/CD pipelines and establish quality gates. Collaborate with developers and architects to improve system reliability, observability, and maintainability. Identify gaps in testing processes and proactively introduce improvements. Mentor engineers and promote automation and quality engineering best practices. Must-Have Qualifications: 5+ years of experience in Software Development Engineer in Test (SDET), Quality Engineering, or Automation Engineering roles. Strong automation engineering background with hands-on experience designing and maintaining test frameworks. Advanced experience with Playwright for UI automation and end-to-end testing. Strong API testing experience including REST APIs, integrations, contracts, and service validation. Experience creating automation pipelines integrated with CI/CD platforms. Strong programming skills in Java, Python, TypeScript, or similar languages. Experience building maintainable automation code using software engineering best practices. Experience testing distributed systems and complex application workflows. Experience testing AI-powered or agentic applications, including: Workflow correctness validation. Agent decision flows. Tool/function calling validation. Failure recovery scenarios. Safety and reliability testing. Strong analytical skills with the ability to troubleshoot complex technical issues. Ownership mindset with the ability to independently drive quality initiatives. Preferred Qualifications Experience with LLM evaluation frameworks and AI quality methodologies. Experience validating prompts, workflows, AI responses, and model behavior. Knowledge of AI guardrails, safety testing, and responsible AI practices. Experience testing retrieval-based systems (RAG), embeddings, vector search, and knowledge-grounded responses. Experience designing tests for non-deterministic systems. Exposure to performance, scalability, resilience, and chaos testing. Experience with observability testing, including logs, metrics, traces, and monitoring strategies. Experience with service virtualization, mocks, synthetic data generation, and test environment management. Experience testing cloud-native architectures and distributed/event-driven systems. Familiarity with platforms such as AWS, Azure, or GCP. Experience mentoring engineers and establishing QE standards across teams. Technical Skills Automation & Testing Playwright Selenium/Cypress (plus) API automation frameworks Contract testing Integration testing Regression automation Programming Java Python TypeScript/JavaScript CI/CD & DevOps Git-based workflows CI/CD pipelines Automated quality gates Test reporting and analytics AI Quality Engineering LLM evaluation Prompt testing Agent workflow validation Tool-calling verification AI regression strategies Guardrail testing Success in This Role Looks Like Increased automation coverage and faster feedback cycles. Improved reliability of AI-driven workflows. Stronger confidence in releases through automated quality gates. Reduced production defects through proactive quality practices. Establishment of scalable testing standards for AI and traditional software systems. ADVANCED CONVERSATIONAL ENGLISH AND SPANISH ESSENTIAL (Will be evaluated). If you are a foreingner residing in Mexico, you must have a valid INE, CURP, NSS and RFC. Job type : Remote Location : México. Salary : $95,000 gross Benefits : Excellent superior benefits.