Mid-level QA / Test Engineer | 12 weeks+ (574)

About the opportunity We are looking for Mid-level QA / Test Engineers to cover the functional surface of our client’s platform and support the lead on high-risk settlement and access-control work. About our client Our client is preparing two AI-driven platforms for enterprise readiness, with a focus on security, correctness, and financial integrity ahead of a production launch. What you’ll do Author and execute functional test cases for core user journeys: account creation, the call / challenge / pool flow, and outcome resolution. Test against the SECURITY DEFINER RPC layer rather than direct table access. Support the lead on settlement-path and money-movement testing. Exercise age-gating and identity-verification flows where testable (subject to Persona credential availability). Work with seeded test accounts and data provided by the client, respecting exact handle formatting. Log defects with clear repro steps in the shared tracker and re-test after fixes. What you bring (must-haves) Solid QA / test-engineering experience on modern web applications. SQL / Postgres proficiency for validating data and results. Working knowledge of Next.js or comparable JS frameworks and API/RPC testing. Careful, detail-exact test execution and reproducible defect reporting in clear written English. Bonus points for (nice-to-haves) Exposure to payments, wallet, or transaction testing. Familiarity with Supabase / Vercel. Interest in real-money-platform testing and a path toward settlement work. Perks & benefits 💻 Equipment provided — none of that “bring your own device” stuff here 🛡️ Full back-office support — Legal, Accounting, HR Business Partner, and Delivery team 🧭 Career and cultural mentoring — how to show up, stand out, and navigate US work culture 🗣️ Free English lessons with a native speaker 🤝 Referral bonus — recommend Ubi to your tech friends and get paid for it 🏖️ Florianópolis HQ always open — 100% remote, but the office is there whenever you want it. How the process works Interview with our Tech Recruiter (+ quick AI assessment, if needed) Client interview process (varies by company) Offer 🎉 Onboarding with full Ubiminds support Why Ubiminds? With 9 years in the market and GPTW-certified, Ubiminds connects Latin American tech professionals with software companies in the US and Canada. Hundreds of professionals in data, design, product, and engineering are already growing in North American teams with our support. We’re with you throughout the entire journey — Recruitment, Legal, Accounting, PeopleOps, and career guidance — so you can thrive internationally with confidence. Ready to go global? Apply now — it takes less than 5 minutes. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.