Software Development Engineer (Presencial – São Paulo)

**⚠️ This is not a junior/student position and not a senior role. This is a mid\-level, full\-time *onsite* SDET position in São Paulo (remote work is not possible), and *all candidates must complete a technical assessment* as part of the hiring process.** TestFly is growing! We’re looking for a hands\-on SDET with strong automation and testing fundamentals to join our engineering team in São Paulo. In this role, you’ll build tools and frameworks that support international software and gaming projects, working directly with developers, QA engineers, and global stakeholders. If you enjoy automation, debugging, building reliable systems, and collaborating in English with international teams, this role is for you. **What You’ll Do** **Automation, Tools \& Framework Development** * Build, improve, and maintain automation frameworks and test tooling * Develop robust, maintainable automation suites (UI, API, services) * Create utilities such as API hooks, data validation tools, and productivity scripts * Optimize workflows, reduce test execution time, and improve scalability **Testing \& Quality Engineering** * Define and execute test plans, test strategies, and risk assessments * Validate deployments and features across environments * Diagnose automation failures, analyze logs, and troubleshoot issues * Monitor and report test results and quality metrics **Collaboration \& Communication** * Work closely with developers, SDETs, PMs, and QA teams * Participate in standups, sprint planning, and code reviews * Communicate blockers, risks, and technical findings in English * Support knowledge sharing and continuous improvement **What We’re Looking For (Required)** * **2–5\+ years as an SDET, QA Automation Engineer, or Tools Engineer** * **Experience coding test automation** in at least one language (Java, Python, JavaScript, C\#, or C\+\+) * Hands\-on experience with **API and UI automation** (Rest Assured, Playwright, Cypress, etc.) * Understanding of **CI/CD pipelines** , version control, and agile environments * Strong ability to debug, analyze logs, and solve technical problems * Clear **English communication** for daily global collaboration * Must be available for **onsite work** in São Paulo (Morumbi area) **Nice to Have** * Experience creating custom test tools or utilities * Cloud environment experience (AWS, GCP) * Performance testing or SDK\-level testing * Familiarity with containerized environments * Passion for games or interactive systems **Why Join TestFly** * Work on major **international gaming and software projects** * **Onsite, collaborative environment where engineering and QA work side by side** * **Office located near Morumbi\-Claro Metro** and Morumbi Shopping * Dynamic culture, global exposure, and room to grow your technical skills **Benefits** * Meal voucher * Transportation voucher (as needed) * Group life \& accident insurance * Optional dental and medical plans after probation **Hiring Process** Our process is simple and skills\-focused: **1\. Resume review → 2\. Technical assessment (mandatory, 60\+ min) → 3\. Final interview** **No endless rounds. No trick questions. We evaluate real skills.** **Ready to level up your QA engineering career?** * Apply now and join a team that values technical excellence, collaboration, and real impact.