Senior Software Development Engineer in Test (SDET) - Applications

Ellipsis Health, Inc

$140K — $160K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience in an SDET role with a focus on functional testing and automation
  • Proven experience validating end-to-end system workflows and user journeys
  • Hands-on expertise in building and maintaining automation frameworks
  • Familiar with automation tools like Playwright, Selenium, or similar
  • Proficient in JavaScript/TypeScript and/or Python for test automation
  • Strong understanding of QA methodologies and defect tracking
  • Experience in Agile/Scrum environments

Responsibilities

  • Perform manual and automated testing across various application features
  • Design and execute comprehensive test plans for end-to-end system behavior
  • Develop and maintain automation frameworks for improved test coverage
  • Validate workflows and integrations to ensure system reliability
  • Conduct exploratory testing to identify potential issues
  • Document and track defects, collaborating with engineering for solutions
  • Engage in Agile ceremonies to provide QA insights during planning and retrospectives

Benefits

  • 401k match up to 4%
  • Health, vision, and dental insurance
  • Very flexible paid time off
  • Opportunity to work on impactful healthcare technology
  • Collaborative environment with a mission-driven team
Full Job 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.

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.

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.

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