Waystar

Software Development Engineer in Test (SDET) – Full Stack

Waystar  •  Louisville, KY (Onsite)  •  1 month ago
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Job Description

ABOUT THIS POSITION

As a Software Development Engineer in Test (SDET), you will join an established, cross-functional product development team responsible for delivering high-quality software and data to our clients. You will own both automated and manual testing efforts across multiple products, partnering closely with engineers, product managers, and business stakeholders.

This role is ideal for someone who thrives on autonomy, values clear communication, and is excited to use AI as a force multiplier to design thoughtful test strategies and robust automated solutions. You’ll be trusted to manage your work independently while proactively sharing risks, insights, and opportunities for improvement with the team.

You will act as a quality champion, helping embed quality practices early in the development lifecycle and coaching others on modern testing and quality engineering best practices.

WHAT YOU'LL DO

What You Will Do

As an SDET on the team, you will:

  • Design, implement, andmaintaincomplex automated tests(end-to-end, performance, load, scalability, and security) using tools such as Playwright and/or Selenium

  • Leverage AI toolsto:

  • Create and refine test plans and test strategies

  • Accelerate automated test creation and maintenance

  • Analyze test results andidentifycoverage gaps

  • Generate realistic and meaningful test data scenarios

  • Take ownership of testing efforts for assigned products, managing your work autonomouslywhile communicating progress, risks, and blockers early

  • Collaborate closely with engineering, product, and business partnersto understand requirements, architecture, and desired outcomes

  • Champion a “quality-from-the-start” mindset by influencing design discussions, acceptance criteria, and release readiness

  • Set and help drive clear quality expectationsfor each product release

  • Document, track, andvalidatedefects through resolution

  • Continuously improve testing processes, tools, and frameworks that strengthen quality across the team and organization

  • Contribute positively to team culture by being kind, collaborative, curious, and engagedin your work

WHAT YOU'LL NEED

What You Will Need

MinimumRequirements

  • Bachelor’s degree in Computer Scienceor a related field (or equivalent practical experience)

  • 3+ years of professional experienceas an SDET designing, developing, andmaintainingfull-stack test automationfor modern web applications and microservices

  • Hands-on experience with Playwright and/or Seleniumfor end-to-end testing

  • Strong programming skills in C#

  • Intermediateproficiencywith SQL

  • Experience working with CI/CD pipelines

  • Experience using Jira and/or Azure DevOps (ADO)to support agile project management, sprint work, and defect tracking

  • Excellent written and verbal communication skills, with the ability to clearly explain risks, findings, and recommendations

What Will Set You Apart

  • Comfort using AI tools as part of your daily workflow, with curiosity about how they can improve test quality and efficiency

  • A proven ability to work independentlywhileremaininghighly communicative and collaborative

  • A mindset that balances high standardswith kindness, empathy, and respect for teammates

  • Excitement about learning, improving systems, and contributing to something larger than your own individual tasks

ABOUT WAYSTAR

Through a smart platform and better experience, Waystar helps providers simplify healthcare payments and yield powerful results throughout the complete revenue cycle.

Waystar’s healthcare payments platform combines innovative, cloud-based technology, robust data, and unparalleled client support to streamline workflows and improve financials so providers can focus on what matters most: their patients and communities. Waystar is trusted by 1M+ providers, 1K+ hospitals and health systems, and is connected to over 5K commercial and Medicaid/Medicare payers. We are deeply committed to living out our organizational values: honesty; kindness; passion; curiosity; fanatical focus; best work, always; making it happen; and joyful, optimistic & fun.

Waystar products have won multiple Best in KLAS® or Category Leader awards since 2010 and earned multiple #1 rankings from Black Book™ surveys since 2012. The Waystar platform supports more than 500,000 providers, 1,000 health systems and hospitals, and 5,000 payers and health plans. For more information, visit waystar.comor follow @Waystaron Twitter.

WAYSTAR PERKS

  • Competitive total rewards (base salary + bonus, if applicable)
  • Customizable benefits package (3 medical plans with Health Saving Account company match)
  • We offer generous paid time off for our non-exempt team members, starting with 3 weeks + 13 paid holidays, including 2 personal floating holidays. We also offer flexible time off for our exempt team members + 13 paid holidays
  • Paid parental leave (including maternity + paternity leave)
  • Education assistance opportunities and free LinkedIn Learning access
  • Free mental health and family planning programs, including adoption assistance and fertility support
  • 401(K) program with company match
  • Pet insurance
  • Employee resource groups

Waystar is proud to be an equal opportunity workplace. We celebrate, value, and support diversity and inclusion. Qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, marital status, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

This applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Waystar

About Waystar

Waystar’s enterprise-grade software is purpose-built to simplify healthcare payments. We enable providers to prioritize patient care and optimize their financial performance. Waystar serves approximately 30,000 clients, representing over 1 million distinct providers, including 16 of 20 institutions on the U.S. News Best Hospitals Honor Roll. Waystar’s enterprise-grade platform annually processes over 5 billion healthcare payment transactions, including over $1.2 trillion in annual gross claims and spanning approximately 50% of U.S. patients. Waystar strives to transform healthcare payments so providers can put the human touch where it matters most: their patients and communities.

Put simply, Waystar is the way to make healthcare payments more human with a software platform designed for providers + patients.

Discover the way forward at waystar.com.

Industry
IT & Software
Company Size
1,001-5,000 employees
Headquarters
Louisville, Kentucky
Year Founded
Unknown
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