Senior SDET - Full Stack

About this Position

As a Software Development Engineer in Test, you will join an established product development team where you will be responsible for automated and manual testing efforts for multiple products. You’ll build automated test solutions to ensure the team is able to continuously deliver the highest quality product and data to our clients on time. You’ll be challenged often and will be a quality champion for the products where you’ll help coach the team on quality engineering and testing best practices.

• Coordinate work for 1‑2 contractors who support test automation efforts.
• Code complex automated end‑to‑end, performance, load, scalability, and security tests.
• Self‑start and solve complex problems, prototyping automation solutions.
• Identify and introduce new QA tools for QA and development teams.
• Collaborate with business, product, and engineering teams to understand the product vision and requirements.
• Champion quality to be driven into the product from the start.
• Set and drive expectations around quality for each product release.
• Create test plans, analyze test results, and create test data scenarios.
• Document and track defects to closure.
• Improve processes and tools that help shape the quality framework within the team and across the organization.

• Bachelor’s degree in Computer Science or related area.
• 5+ years of professional experience as an SDET designing, developing and maintaining full‑stack test automation for modern web applications and microservices.
• Hands‑on experience with Playwright for end‑to‑end testing.
• Strong programming skills in JavaScript or Type Script.
• Intermediate proficiency with SQL.
• Experience with CI/CD.
• Comfort working in a Linux environment.
• Excellent oral and written communication skills.

• Java.
• Graph
  
  QL and REST APIs.
• Postgre
  
  SQL.
• Redis.
• Docker and Kubernetes.
• AWS.
• Familiarity with k6 or Gatling.
• Familiarity with Kafka.
• Familiarity with ML and statistics.
• Knowledge of the healthcare domain.

Waystar helps providers simplify healthcare payments and yield powerful results throughout the complete revenue cycle. Our cloud‑based platform combines innovative technology, robust data, and unparalleled client support to streamline workflows and improve financials.

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

Waystar is a proud equal opportunity workplace. 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.