LifeStance Health is seeking a Senior Software Development Test Engineer (SDET) to play a pivotal role in ensuring the quality, performance, and reliability of our software products. You will be responsible for architecting and implementing advanced automation frameworks, driving a shift-left quality strategy, and mentoring team members.
What You'll Do
- Develop and champion the long-term vision and strategy for test automation across the organization.
- Architect and implement advanced, data-driven test automation frameworks that use AI/ML to identify and prioritize test cases.
- Lead teams in the design, development, and maintenance of robust automated test scripts, frameworks, and tools for functional, integration, and regression testing.
- Act as a subject matter expert and go-to person for complex technical challenges.
- Lead and facilitate the 'shift-left' quality strategy across multiple product teams, ensuring testing is integral from concept to delivery.
- Develop and execute performance, scalability, and load tests to ensure software meets performance standards.
- Define and document test strategies, create detailed test plans, and execute manual and automated tests.
- Integrate automated tests with CI/CD pipelines for rapid deployment.
- Drive the automation strategy for a portfolio of business-critical applications, including web applications and the Salesforce platform.
- Define and report on key quality metrics, with a goal of reducing production defects by 20% year-over-year.
- Mentor and lead the professional development of junior and mid-level SDETs, including leading technical training sessions and performing code reviews.
What We're Looking For
- Bachelor’s degree in computer science, Engineering, or a related field.
- 8+ years of professional experience in software development automation.
- Expert understanding of software QA methodologies, tools, and processes.
- Expert programming skills in JavaScript and TypeScript, with experience in building and maintaining test automation frameworks.
- Mastery of test automation tools (e.g., Datadog Synthetic, Playwright, Selenium, Cypress).
- Expertise in one or more programming languages, preferably JavaScript or NodeJS.
- In-depth knowledge of CI/CD tools (e.g., Jenkins, GitHub Action, GitLab CI).
- Expertise in designing and executing sophisticated API contract and integration tests.
- Proven ability to design and analyze performance and load test results to optimize system architecture.
- In-depth experience with cloud-native testing strategies on AWS/Azure/GCP.
- Proficient in quality assurance practices, automated testing strategies, and DevOps methodologies.
- Ability to diagnose complex technical issues, identify root causes, and propose effective solutions.
- Excellent verbal and written communication skills.
- Strong sense of ownership and ability to drive initiatives across teams and domains.
- Committed to fostering diversity, inclusion, and belonging in engineering environments.
- Legally authorized to be employed in the United States.
Technical Stack
- Languages: JavaScript, TypeScript, NodeJS
- Test Tools: Datadog Synthetic, Playwright, Selenium, Cypress
- CI/CD: Jenkins, GitHub Action, GitLab CI
- Cloud Platforms: AWS, Azure, GCP
Benefits & Compensation
- Medical, dental, and vision insurance
- AD&D insurance
- Short and long-term disability insurance
- Life insurance
- 401k retirement savings with employer match
- Paid parental leave
- Paid time off
- Holiday pay
- Employee Assistance Program
Work Mode
This role is open to candidates globally.
LifeStance is an EEO/Affirmative Action Employer and does not discriminate on the basis of age, race, color, religion, gender, sexual orientation, gender identity, gender expression, national origin, protected veteran status, disability, or any other legally protected status.




