Senior SDET (C-559)

SMASH, Who we are? We are agents for tech professionals in Costa Rica and Colombia that help them build careers in the United States. We believe in long-lasting relationships with our talent. We invest time getting to know them and understanding what they seek as their professional next step. We aim to find the perfect match. As agents, we pair our talent with our US clients, not only by their technical skills but as a cultural fit. Our core competency is to find the right talent fast. We purposefully move away from the “contractor” or “outsourcing” type of relationship. Our clients don’t want contractors or “just a service.” Neither does our talent. Our Benefits Wellness Coverage Remote Work Birthday day off Recognition and rewards system Referrals Program Business skill coaching English classes for Smashers and relatives Learning opportunities This position is Remote to work with a US Company; you will require to have Citizenship or a work permit from Costa Rica to apply for this role. Role summary You will ensure the delivery of high-quality software products by designing and executing test strategies across web and mobile applications. This role combines manual and automated testing, defect analysis, and collaboration across the SDLC to improve product reliability and user experience. Responsibilities Design, author, and execute test plans and test cases for software applications. Develop and maintain automated test scripts using Selenium and related frameworks. Reproduce reported issues and document clear, detailed reproduction steps. Identify, track, and resolve defects throughout the software lifecycle. Analyze application logs and data to diagnose issues and root causes. Validate new vendor software integrations and ensure compatibility. Perform web and mobile application testing across multiple environments. Collaborate with developers, product teams, and stakeholders to ensure quality standards. Review and prioritize incoming issues, balancing multiple testing demands. Support release coordination and ensure readiness for production deployments. Report QA metrics, risks, and results to stakeholders. Ensure adherence to QA best practices and continuous process improvement. Requirements – Must-haves 4+ years of experience in software testing and quality assurance. Experience with test methodologies and QA best practices. Hands-on experience with Selenium and test automation frameworks. Experience testing web and mobile applications. Experience working in Agile or fast-paced iterative environments. Familiarity with Azure DevOps for test management and tracking. Basic programming knowledge (C#, .NET Core or similar). Strong analytical and problem-solving skills. Excellent communication skills and attention to detail. Ability to collaborate effectively within cross-functional teams. Nice-to-haves (optional) Bachelor’s degree in Computer Science, Information Systems, or related field. Experience with advanced automation frameworks or CI/CD integration. Experience with API testing and service-layer validation. Exposure to performance or load testing tools. Languages English B2+, Spanish C1