Senior Software Engineer in Test

The role

You will design, implement, and maintain Back-End and Front-End automated tests for the Singularity SaaS platform. You will lead validation efforts and define test strategies to ensure quality, reliability, and performance.

What you will do

• Lead the design, development, and execution of validation plans and test strategies.
• Collaborate with product management, development, and stakeholders to translate requirements into test cases.
• Design, develop, and maintain automated test frameworks in Python (Pytest) and/or TypeScript (Playwright).
• Integrate AI-powered tools and workflows into the validation lifecycle.
• Leverage Generative AI and LLMs to optimize test case generation and improve coverage.
• Utilize Docker for containerization to create testing environments.
• Manage and execute tests in AWS and GCP cloud environments.
• Perform functional, regression and security testing.
• Identify, document, and track software defects.
• Mentor junior engineers and contribute to testing process improvements.

Required qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• 3+ years of experience in software quality assurance or validation engineering, with a strong focus on SaaS products.
• Proven experience in leading validation efforts and defining comprehensive test strategies.
• Experience in developing and maintaining automated test frameworks in Python and/or TypeScript, Playwright (or similar, such as Java).
• Hands-on experience integrating AI tools, LLMs, or AI-driven testing methodologies into daily QA workflows and CI/CD pipelines.
• Familiarity with prompt engineering and utilizing AI assistants.
• Strong understanding of software development lifecycle (SDLC) and agile methodologies.
• Proven experience with AWS, or GCP, and with Docker, Kubernetes, plus event-driven architectures using Kafka or similar.
• Familiarity with CI/CD tools such as Jenkins, GitHub, or GitLab.
• Excellent analytical, problem-solving.
• Ability to work independently and collaboratively in a fast-paced environment, with globally distributed teams.
• Strong communication skills, both verbal and written.

Benefits

• Restricted Stock Units (RSUs)
• Employee Stock Purchase Plan (ESPP)
• Performance-based bonus
• Flexible time off, on top of the standard 5 weeks PTO
• Paid company wellness days
• Fully paid short-term sick/nursing leave
• Gender-neutral parental leave
• Private medical care benefit
• Life and disability insurance
• Pension Insurance contribution
• Global business travel medical insurance
• Employee Assistance Program (EAP)

About the company

SentinelOne is a company at the intersection of AI and security, pioneering a new operating model for cybersecurity. Their AI-native platform unifies protection across endpoint, cloud, identity, data, and AI systems.