--- title: 'Senior Software Development Engineer in Test (SDET) - Applications at Ellipsis Health' canonical: 'https://feeny.ai/job/senior-software-development-engineer-in-test-sdet-applications-ellipsis-health-zseas0xqfshp' type: 'job' last_seen: '2026-09-07' --- # Senior Software Development Engineer in Test (SDET) - Applications at Ellipsis Health - **Company:** Ellipsis Health - **Location:** San Francisco, CA - **Compensation:** $140k–$160k - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2026-07-31 - **Last confirmed live:** 2026-09-07 - **Apply:** https://jobs.ashbyhq.com/ellipsis-health/54d12757-0f74-4c3b-bfb8-ac55dd5745fe ## Job description Ellipsis Health is creating cutting-edge AI/ML products that solve healthcare staffing challenges and administrative burdens using conversational AI and our patented voice biomarker technology—helping deliver better healthcare for everyone. We are headquartered in Silicon Valley and are funded and supported by some of the most preeminent venture capital teams. 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. Ellipsis Health is located in the San Francisco Bay Area, but we are open to remote candidates within the United States. ## KEY RESPONSIBILITIES - 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 ## REQUIRED QUALIFICATIONS - 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 Salary and Benefits We offer a competitive salary of $140-$160k and benefits, including a 401k that matches up to 4% of your salary, health, vision, and dental insurance, and very flexible paid time off. Background Checks As a health technology company, we reserve the right to run a background check on any applicant to which we extend an offer and to re-perform any such check at any time during the course of employment. Please know that there is no set policy on rejecting candidates due to certain background check results, and that we consider a candidate as a whole before making any decisions. We comply with all “ban the box” laws in applicable jurisdictions. Assistance If you have a disability or otherwise require any assistance whatsoever in the application or recruitment process, please feel free to submit a request to careers@ellipsishealth.com. ## Why Join Us - Work on technology that improves access, equity, and outcomes in healthcare. - Collaborate with a mission-driven team that blends AI innovation with clinical integrity. - Help shape the future of how patients interact with care through ethical, high-impact design. ## About Ellipsis Health ## Company Overview - **One-liner**: Ellipsis Health provides an emotionally intelligent AI care manager, Sage, that automates patient engagement, clinical assessments, and care coordination for health plans, health systems, specialty care, and pharmaceutical companies. - **Entity Type**: Private (Series A-II; total funding $75.39M) - **Headquarters**: San Francisco, California, United States - **Founded**: 2017 - **Founders**: Not publicly available ## Core Business - Primary industry: Healthcare AI / Healthcare IT - Target customers: B2B – health plans, health systems, specialty care providers, and pharmaceutical companies - Mission/purpose: To deliver empathetic, autonomous virtual care management that reduces administrative burden, improves patient outcomes, and enables care teams to work at the top of their licenses. ## Products & Services - **[Sage – AI Care Manager](https://ellipsishealth.com/product/)**: An agentic AI platform that conducts fully autonomous, natural-language calls with patients. Use cases include program enrollment & engagement, clinical assessments (HRAs, HOS, HCAHPS), care coordination, medication adherence, discharge check-ins, and preventive care outreach. Sage is multilingual, HIPAA and SOC2 Type 2 compliant, and designed with clinical oversight. ## Market Standing - **Valuation**: Not disclosed - **Key Metric**: Annual revenue ~$8.1M (LinkedIn estimate) – not independently verified; total disclosed funding $75.39M (CB Insights) / $79.1M (LinkedIn) - **Notable Investors/Partners**: Khosla Ventures (lead Series A), Salesforce, Mitsui & Co. Global Investment, AME Cloud Ventures, Colliers, and 30+ other investors. Strategic partnerships with Salesforce (Sage integrated into Salesforce Health Cloud) and NVIDIA (to enhance NLP capabilities). - **Growth Signals**: Headcount grew 60% YoY to 60 employees; LinkedIn followers +80% YoY. Raised $45M Series A-II in July 2025. Filed 14 patents around psychiatric diagnosis, computational linguistics, and mood disorders. ## Competitive Advantages - **Emotionally intelligent, conversational AI** that adapts to patient tone and responses, driving higher engagement than rigid IVR systems. - **Healthcare-native security and compliance**: HIPAA, SOC2 Type 2, end-to-end encryption, and continuous third-party audits. - **Clinical oversight** built into AI operations, preserving trust and safety. - **Proprietary acoustic and NLP models** for voice-based screening and monitoring of behavioral health conditions. - **Pre-built integrations** with EHRs and Salesforce Health Cloud, reducing deployment friction. ## Strategic Focus - Deepen integration with major health IT ecosystems (Salesforce, EHRs). - Expand use cases into medication adherence and preventive care. - Scale the platform through partnerships (Clearstep, NVIDIA) to reach more health plans and systems. - Continue patenting voice-AI innovations for broader clinical applications. ## Why Work Here - Opportunity to build cutting-edge AI in a regulated, high-impact industry (healthcare). - Cross-functional team with backgrounds from top tech and healthcare companies. - Remote-friendly culture with employees across the US, Canada, India, and Brazil. - Current open roles (via [Ashby](https://jobs.ashbyhq.com/ellipsis-health)): Frontend Engineer, Backend Engineer, Senior Full-Stack Engineer, Technical Recruiter – Healthcare AI. - Engineering-led environment with strong emphasis on AI safety, ethical AI, and clinical rigor. ## Sources 1. [ellipsishealth.com](https://ellipsishealth.com/) 2. [cbinsights.com](https://www.cbinsights.com/company/ellipsis-health) 3. [linkedin.com](https://www.linkedin.com/company/ellipsis-health) 4. [ellipsishealth.com/product](https://ellipsishealth.com/product/) 5. [ellipsishealth.com/careers](https://ellipsishealth.com/careers/) ## Other roles at Ellipsis Health - [Senior Data Scientist](https://feeny.ai/job/senior-data-scientist-ellipsis-health-san-francisco-nvrrg0sesgcw) — San Francisco, CA - [Product Manager, Analytics & Reporting](https://feeny.ai/job/product-manager-analytics-reporting-ellipsis-health-san-francisco-v6m6tvdz8wvw) — San Francisco, CA - [Senior DevSecOps Engineer](https://feeny.ai/job/senior-devsecops-engineer-ellipsis-health-san-francisco-qe9mckc2zw75) — San Francisco, CA - [Director of Customer Success](https://feeny.ai/job/director-of-customer-success-ellipsis-health-san-francisco-zrfs215v1wfk) — San Francisco, CA - [VP Provider Sales](https://feeny.ai/job/vp-provider-sales-ellipsis-health-san-francisco-vf5z5zaxjgnz) — San Francisco, CA - [VP Payer Sales](https://feeny.ai/job/vp-payer-sales-ellipsis-health-san-francisco-azsrb3xdz1ac) — San Francisco, CA - [Senior ML Engineer, Agentic AI](https://feeny.ai/job/senior-ml-engineer-agentic-ai-ellipsis-health-san-francisco-h4qx93460sb2) — San Francisco, CA - [Senior Data Platform Engineer](https://feeny.ai/job/senior-data-platform-engineer-ellipsis-health-san-francisco-40ktf7p6qs16) — San Francisco, CA - [Senior QA Engineer, Forward Deployed](https://feeny.ai/job/senior-qa-engineer-forward-deployed-ellipsis-health-san-francisco-f38237rrjb4c) — San Francisco, CA - [Senior Software Development Engineer in Test (SDET), Salesforce](https://feeny.ai/job/senior-software-development-engineer-in-test-sdet-salesforce-ellipsis-health-5k4aezzb9q88) — San Francisco, CA