Senior Software Development Engineer in Test (SDET) - Telephony

Filevine is a Legal AI company delivering Legal Operating Intelligence for the future of legal work. The Senior Software Development Engineer in Test will own quality across telephony backend services, APIs, customer-facing applications, and AI-driven voice experiences by designing automated testing frameworks, improving testing pipelines, and mentoring engineers.

Responsibilities:

• Design and write test plans and automated test scripts across backend services, APIs, and customer-facing applications
• Analyze and improve the scalability, performance, and efficiency of the testing pipeline
• Design and implement automated test frameworks
• Build solutions to aid in automated and load testing
• Responsibly drive complex projects forward to completion
• Exercise independent judgment
• Make informed recommendations to management
• Provide leadership and mentoring to other engineers
• Independently identify opportunities for automated testing at different levels (End to End, Integration, UI, etc.) and possible solutions
• Communicate frequently, clearly, and effectively with various technical and management audiences on usability, serviceability, and suggested changes

Requirements:

• 7+ years working as a software engineer or test automation engineer
• Expert in an object oriented language such as C# or Java
• Complete understanding of the application development life cycle
• Expert knowledge of QA testing techniques and the STLC
• Expert experience testing REST web services
• Expert at testing backend-heavy services where little or no user interface is available to drive testing
• Demonstrated ability to design and build custom test tooling and harnesses for systems that are difficult to exercise through conventional automation, including asynchronous and event-driven services
• Practical experience applying GenAI/LLMs to solve engineering productivity, test generation, and analysis challenges
• Experience with stress and load testing tools and techniques
• Experience testing telephony, VoIP, or other real-time communication systems
• Experience testing AI-driven, conversational, or agent-based applications
• Familiarity with modern front-end frameworks
• Expert understanding of advanced techniques such as stubbing and mocking
• Expert understanding of source control systems (GitLab) and CI/CD pipelines
• Expert understanding of automated testing frameworks such as Playwright