Software Development Engineer in Test (SDET)

The Subway HR Team • Shelton, CT

1d

About The Position

The Software Development Engineer in Test (SDET) is responsible for building and maintaining automated test solutions that ensure the quality, reliability, and performance of software applications. This role applies strong software engineering skills to testing challenges, embedding quality into the development lifecycle through automation, tooling, and continuous validation. The SDET partners closely with Software Engineers, Product Managers, and Platform teams to deliver high-quality, scalable systems.

Requirements

• 4–7 years of experience in software testing, automation, or SDET roles.
• Strong software development skills with experience writing test automation code.
• Proficiency in one or more programming or scripting languages (e.g., Java, JavaScript, Python, C#).
• Experience with test automation frameworks and tools (e.g., Selenium, Cypress, Playwright, REST-assured, Postman).
• Solid understanding of REST APIs, microservices, and distributed systems.
• Experience integrating automated tests into CI/CD pipelines.
• Familiarity with Agile and DevOps delivery models.
• Strong analytical, troubleshooting, and problem-solving skills.
• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Responsibilities

• Design, develop, and maintain automated test frameworks for UI, API, and backend services.
• Write production-quality test code using modern programming languages and frameworks.
• Collaborate with software engineers to define test strategies, acceptance criteria, and quality requirements.
• Embed automated testing into CI/CD pipelines to enable continuous testing and fast feedback.
• Develop and execute tests for functional, integration, regression, and end-to-end scenarios.
• Perform API, data-level, and contract testing to validate system integrations.
• Identify, document, and track defects while partnering with engineering teams on root-cause analysis.
• Validate non-functional requirements including performance, reliability, and scalability, as needed.
• Participate in design and code reviews to provide a quality and testability perspective.
• Improve test coverage and reduce manual testing through automation and tooling enhancements.

Benefits

• Insurance Plans (Medical, Life)
• Pension/401K/RSP (country specific)
• Competitive Bonus
• Mobility Allowance
• Tuition Reimbursement
• Company Holidays
• Volunteering time

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level