Manual Quality Assurance Engineer, SIMBA Team - Tallinn, Estonia

About SIMBA Voice Agents by Speechify SIMBA lets companies deploy natural, human-sounding AI voice agents in 71+ languages with sub-second latency. We don't just hand customers a product and wish them luck — every customer gets a Forward Deployed Engineer who builds their agents, joins their Slack, and iterates with them weekly. We're building the future of voice AI, and we're looking for someone who can sell that vision and help bring it to life. Overview Our team is committed to changing the way people read and with our exponential growth, we are looking for a strong QA engineer to help us for our SIMBA Team. We love a commitment to quality and risk assessment, maintaining documentation, and curiosity of testing trends and industry standards. This is a full-time remote role and can be based anywhere globally. What You'll Do Develop and execute detailed manual test plans and test cases for the SIMBA Team, ensuring strong function