Sr. Software Test Engineer

Position Overview

The Senior Software Test Engineer will play a key role in ensuring the quality, performance, and reliability of Carlsmed’s web-based applications deployed in AWS. This position involves designing and executing comprehensive test plans, building automated test suites, and collaborating closely with software developers, DevOps, and product teams to deliver robust, secure, and scalable solutions.

The ideal candidate is detail-oriented, experienced with test automation frameworks, and comfortable working in an Agile environment. Experience in regulated or safety-critical industries (such as medical devices or healthcare) is a strong plus.

Key Responsibilities

• Develop, maintain, and execute manual and automated test cases for web applications and backend services.


• Design and implement automated test frameworks and regression suites using Selenium, Ranorex, or equivalent tools.


• Validate data integrity and workflow consistency across distributed systems hosted in AWS (S3, Lambda, EC2, API Gateway).


• Collaborate with developers and DevOps engineers to improve CI/CD integration and automated test coverage.


• Identify, document, and track defects using issue-tracking tools such as Jira; verify fixes and coordinate retesting cycles.


• Participate in requirement reviews and provide input on testability, edge cases, and potential quality risks.


• Conduct performance, compatibility, and security testing as needed for critical system components.


• Contribute to the continuous improvement of QA practices, test strategy, and documentation.


• (Optional) Support software verification activities aligned with medical device quality standards (FDA, ISO 13485, IEC 62304).

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field.


• 5+ years of experience in software testing or quality engineering for web-based applications.


• Solid understanding of RESTful APIs, web UI testing, and AWS cloud environments.


• Familiarity with CI/CD tools such as TeamCity, Jenkins, GitHub Actions, etc.


• Experience with test management and bug tracking tools (e.g., Jira, Azure DevOps).


• Strong analytical skills and attention to detail with a commitment to product quality.


• Excellent communication and documentation abilities.


• (Preferred) Experience testing healthcare, medical device, or other regulated software systems.


• (Preferred) Proficiency with Selenium WebDriver, PyTest, or similar automation frameworks.