> Markdown version of [/jobs/ext/2702695-software-development-engineer](https://www.wearedevelopers.com/jobs/ext/2702695-software-development-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Development Engineer - **Company:** Ellipsis Health, Inc. - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Salary:** $140,000.0 - $160,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Artificial Intelligence, Automation of Tests, Code Coverage, Distributed Systems, Python (Programming Language), OAuth, Scrum Methodology, Role-Based Access Control, Regression Testing, Selenium, Software Testing Automation Framework, TypeScript, WebRTC, Datadog, Data Logging, Scripting, Large Language Models, Playwright, Splunk, SDET - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/senior-software-development-engineer-in-test-sdet-applications-ellipsis-health-8838306 ## About the Role * 5+ years of experience in an SDET role with a strong mix of functional testing and automation * Experience validating end-to-end system workflows and user journeys * Hands-on experience building and maintaining test automation frameworks * Experience with automation tools such as Playwright, Selenium, or similar * Proficiency in JavaScript/TypeScript and/or Python for test automation and scripting * Strong understanding of test design techniques, QA methodologies, and defect tracking * Experience working with complex or distributed systems * Experience working in Agile/Scrum environments * Strong analytical and problem-solving skills with attention to detail * Excellent communication and collaboration skills Nice to Have * Experience testing conversational voice AI agents or real-time communication systems * Exposure to monitoring/logging tools such as Datadog, Splunk, or similar * Basic understanding of authentication/authorization (RBAC, OAuth, etc.) * Experience in healthcare or other regulated environments * Familiarity with testing considerations for LLMs and GenAI systems ## Description We are seeking a Senior Software Development Engineer in Test (SDET) with strong experience in both functional testing and automation across modern applications. This role requires a hands-on engineer who can validate end-to-end system behavior and user workflows while building scalable automation to improve quality and release confidence. You will work closely with engineering, product, and AI/ML teams to ensure reliability, performance, and usability across our healthcare platform., * Perform both manual testing and automation across system workflows and application features * Design, develop, and execute test plans and test cases for end-to-end system behavior * Build and maintain automation frameworks to improve test coverage and efficiency * Validate system interactions, workflows, and integrations to ensure reliability and consistency * Perform exploratory testing to uncover edge cases and gaps in system behavior * Identify, document, and track defects; collaborate closely with engineering teams for resolution * Participate in Agile ceremonies, providing QA input during sprint planning and retrospectives * Support release validation, regression testing, and post-deployment verification * Integrate automated tests into CI/CD pipelines for continuous quality validation * Define and track quality metrics and test coverage * Contribute to improving overall testing strategy, frameworks, and quality processes ## Related Videos - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Speak, Code, Deploy: Transforming Developer Experience with Voice Commands](https://www.wearedevelopers.com/videos/1159-speak-code-deploy-transforming-developer-experience-with-voice-commands) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) - [Coffee with Developers - Maria Apazoglou](https://www.wearedevelopers.com/videos/1209-coffee-with-developers-maria-apazoglou) - [Advanced Cypress: custom assertions and tasks](https://www.wearedevelopers.com/videos/790-advanced-cypress-custom-assertions-and-tasks) ## Related Articles - [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 137 - AI'm not sure about this](https://www.wearedevelopers.com/magazine/485-dev-digest-137-ai-m-not-sure-about-this) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 138 - Are you secure about this?](https://www.wearedevelopers.com/magazine/486-dev-digest-138-are-you-secure-about-this) - [ Dev Digest 213: Petrol Prices, Agentic Workflows, AI Skills and CODE100!](https://www.wearedevelopers.com/magazine/718-dev-digest-213-petrol-prices-agentic-workflows-ai-skills-and-code100)