Stack Builders is an international software consultancy based in the United States, focused on building better software for better living. They are seeking a Senior Software Development Engineer specialized in Testing to join their team as a contractor. The role involves designing and implementing automated test frameworks, promoting best practices, and ensuring high-quality software delivery. The position requires 6+ years of experience and deep expertise in automation testing, working with technologies like Kotlin, Java, Spring Boot, TypeScript, and React. The company offers a 100% remote work environment with a strong emphasis on learning and professional development. Team members enjoy regular pairing sessions, opportunities for conference participation, and work on challenging projects with globally recognized companies. The role combines technical leadership with hands-on development, requiring both strong engineering skills and the ability to mentor others. Stack Builders provides a supportive community environment where engineers can grow while contributing to meaningful projects that positively impact the community.