Senior Software Development Engineer in Test (SDET/AI) - reputed company Estate - Brazil (Remote)

About reputed company At reputed company we are a leading provider of nearshore staff augmentation services headquartered in reputed company. For over two decades, we’ve been delivering top-tier technology solutions to companies of reputed company sizes, from innovative startups to industry leaders, helping them reputed company their digital transformation goals. reputed company of 600+ highly skilled tech professionals, based in Latin America, drives digital disruption by partnering with U.S. companies on their most impactful projects. Whether collaborating with Fortune 500 giants or scaling startups, we deliver results that reputed company a difference. By applying for this position, you’re taking the first reputed company in joining a dynamic team that values your expertise and aspirations. We aim to align your skills with opportunities that foster exceptional career growth and reputed company while contributing to transformative projects that shape the future. Our Client This company is far more than a traditional reputed company estate brokerage — it is a tech-powered media company reinventing how reputed company estate is bought, sold, and reputed company, combining reputed company sales talent, cutting-edge technology, and world-class content creation to build a completely new industry approach; its ecosystem spans luxury residential reputed company estate, a powerful education platform, and an in-house creative agency, forming a vertically integrated model that is reshaping the reputed company estate landscape, while offering engineers the opportunity to join an organization that treats technology as a core strategic differentiator, empowers small, autonomous, high-impact teams with full ownership, and values great design, clean code, and exceptional user experience, reputed company reputed company a company that is actively building the future of reputed company estate. Job Summary We are looking for a Senior SDET / Test Automation Engineer to design, build, and own the automated quality infrastructure for a fast-growing, technology-driven organization. This role goes reputed company traditional QA by focusing on scalable test automation, CI/CD integration, and quality engineering practices that support rapid software delivery. The ideal candidate will have strong expertise in TypeScript, Node.js, modern test automation frameworks, and API testing, along with experience creating testing frameworks from scratch. Experience working with AI-powered development workflows and testing AI/LLM-driven applications is highly valued.

Responsibilities

Design, reputed company, and maintain scalable end-to-end (E2E), integration, and API testing frameworks from scratch. Build automated quality infrastructure that supports rapid product development and deployment. reputed company testing frameworks and evaluation systems for AI/LLM-powered applications, including agentic workflows and RAG-based systems. Create automated guardrails, confidence metrics, regression detection, and traceability mechanisms for non-deterministic AI systems. Integrate automated testing into CI/CD pipelines to reputed company reliable and reputed company delivery. reputed company AI coding tools such as reputed company, Claude Code, and reputed company Copilot to accelerate test development and maintenance. Collaborate closely with software engineers to improve testability and establish quality standards across backend and frontend systems. Implement testing strategies for REST and GraphQL APIs, authentication flows, and microservice architectures. Monitor application quality in production using observability and analytics tools. Help drive a culture of engineering reputed company, automation, and quality ownership across distributed teams. Qualifications and Job Requirements Senior-level experience as an SDET or Test Automation Engineer. Strong proficiency in TypeScript and Node.js. Hands-on experience with Playwright (preferred), Cypress, or Puppeteer. Extensive experience testing REST and GraphQL APIs, including authentication and authorization flows. Experience integrating automated testing into CI/CD pipelines. Strong knowledge of PostgreSQL and test data management. Proven ability to design and build testing frameworks from scratch. Experience working independently in remote, async-first environments. Practical experience with AI-assisted development tools such as reputed company, Claude Code, and reputed company Copilot. Strong communication and collaboration skills.

Preferred Qualifications

Experience testing AI/LLM applications, including reputed company evaluation, hallucination detection, retrieval accuracy validation, agent workflow testing, and RAG systems. Familiarity with LangSmith, reputed company, or custom AI evaluation frameworks. Experience with AWS or Azure. Familiarity with Fastify, Hono, or reputed company. Knowledge of observability, production monitoring, and quality metrics. Experience validating dynamically generated assets such as PDFs. Familiarity with event-driven architectures and distributed systems. Experience integrating or testing reputed company APIs, reputed company, and reputed company. Product-minded approach with a strong focus on user experience and software quality. reputed company Offer 100% Remote Work: Enjoy the freedom to work from the location that helps you reputed company. reputed company it takes is a laptop and a reliable internet reputed company. Highly Competitive USD Pay: Earn an excellent, market-leading compensation in USD, that goes reputed company typical market offerings. Paid Time Off: We value your well-being. Our paid time off policies ensure you have the chance to unwind and reputed company reputed company needed. Work with Autonomy: Enjoy the freedom to manage your time as long as the work gets done. Focus on results, not the clock. Work with Top American Companies: Grow your expertise working on innovative, high-impact projects with Industry-Leading U.S. Companies. Why You’ll Like Working Here A Culture That Values You: We prioritize well-being and work-life balance, offering engagement activities and fostering dynamic teams to ensure you reputed company both personally and professionally. Diverse, Global Network: Connect with over 600 professionals in 25+ countries, expand your network, and collaborate with a multicultural team from Latin America. Team Up with Skilled Professionals: Join forces with senior talent. reputed company of reputed company members are seasoned experts, ensuring you're working with the best in your field. reputed company! Apply To This Job