Software Developer in Test

Description Summary:

The Software Developer in Test (SDET) designs, develops, and maintains automated test solutions that ensure the quality, reliability, and performance of M3’s SaaS applications. This role builds scalable automation frameworks, creates robust automated test suites for UI and API layers, and integrates automated testing into CI/CD pipelines. The SDET collaborates closely with developers, Quality Engineers, and Product teams to support shift-left quality practices, improve testability, and accelerate delivery. This role also mentors junior automation engineers and contributes to the evolution of test architecture, coding standards, and automation best practices across the organization.

Essential Duties:

The duties listed below are the essential functions of this position, and they may change as the needs of the company demand. All associates are expected to do what is necessary to get the work done and to cooperate fully with their supervisor’s requests for additional or altered duties.

• Design, develop, and maintain scalable automated test frameworks and reusable automation components for UI, API, and integration testing.


• Build and execute automated test suites that validate functionality, performance, reliability, and system behavior across distributed systems.


• Partner with developers to improve testability, troubleshoot issues, and validate code changes through automated and exploratory testing.


• Integrate automated tests into CI/CD pipelines and ensure automation supports fast, reliable release cycles.


• Develop and maintain API automation using tools such as Postman, Swagger, or custom frameworks.


• Conduct performance, load, and stress testing using tools such as JMeter, and collaborate with engineering teams to analyze results.


• Participate in code reviews, ensuring automation code meets engineering standards for readability, maintainability, and performance.


• Mentor Quality Engineers and junior SDETs on automation design, coding practices, debugging, and test strategy.


• Collaborate with Product, Engineering, DevOps, and Platform teams to ensure comprehensive test coverage and alignment with project goals.


• Contribute to test data management strategies and ensure automated tests are reliable, repeatable, and environment-agnostic.


• Write and maintain documentation for automation frameworks, test strategies, and technical troubleshooting.


• Identify opportunities for cross-project automation reuse and contribute to shared automation libraries.


• Proactively communicate risks, progress, and technical challenges to team members and leadership.


• Integrate automated tests into CI/CD pipelines and support quality gates for releases.


• Contribute to code level quality practices such as static analysis, linting, and contract testing.


• Collaborate with developers to improve testability and build shared test utilities.


• Identify and remediate flaky tests to maintain automation reliability.


• Other duties as assigned.

Education/Training/Experience:

• Minimum of 4 years of experience in software development in test, automation engineering, or a directly related technical role.


• Bachelor’s Degree in Computer Science, IT, MIS, or a related technical field, or an equivalent combination of education and experience.


• Strong programming or scripting experience in languages such as C#, Java, JavaScript, or Python.


• Experience with automation frameworks such as Playwright, Katalon, Selenium, or similar tools.


• Experience with API testing tools and frameworks (Postman, Swagger, REST-assured, etc.).


• Experience with Azure DevOps for work item tracking, test management, and CI/CD pipeline integration.


• Strong understanding of SQL and ability to validate data across relational databases.


• Experience with performance testing tools such as OctoPerf and JMeter are preferred.


• Excellent written and verbal communication skills.


• Ability to build and maintain strong working relationships across engineering, product, and operations teams.


• Relevant certifications or professional training in automation, software testing, or Agile methodologies are welcomed and desired.