Sr. SDET

Pho Prime, LLC; Shelton (CT); On-site; USD 119,000 - 149,000; Full time

Benefits offered by this job

Pension/401K/RSP

Competitive Bonus

Tuition Reimbursement

Company Holidays

Volunteering time

Job summary

Subway is seeking a Senior Software Development Engineer in Test to design and build robust automated testing solutions, ensuring quality, reliability, and scalability across software systems. The Sr.

SDET will own test strategy for complex services, partner with engineering, product, and platform teams, and drive automation throughout the development lifecycle. The role requires hands-on experience in UI/API/backend test automation, strong programming skills, and the ability to mentor teams.

Qualifications

• Experience building automated tests for UI, API, and backend services.
• Experience owning test strategies for complex systems and platforms.
• Proficiency with modern programming languages and testing frameworks.

Responsibilities

• Design, develop, and maintain scalable automated test frameworks for UI, API, and backend services.
• Own test strategy for assigned products or services and drive quality improvements.
• Integrate automated tests into CI/CD pipelines to enable rapid feedback and release readiness.
• Mentor SDETs and QA engineers through code reviews and collaboration.
• Analyze failures, perform root-cause analysis, and implement preventive quality measures.

Skills

Test automation

CI/CD

Strong debugging

Cross-functional collaboration

Communication

Education

Bachelor’s degree in Computer Science or related field

Tools

Cypress

Playwright

Selenium

REST-assured

Postman

Job description

Senior Software Development Engineer in Test (Sr. SDET)

Ready to build what’s next with one of the world’s most iconic brands?

Why Join Subway?

At Subway, we are not standing still. We are building.

This is a business focused on what matters most: growing franchisee profitability, strengthening our brand and creating long-term value. The people who thrive here are the ones who want to make a real impact.

You will not just do the work. You will shape it.

We move fast. We think like owners. We make decisions that matter. We hold ourselves to a high standard because what we do directly impacts thousands of franchisees around the world.

If you bring energy, accountability and a bias for action, you will fit right in.

We take the work seriously, but we also know the best results come from teams that support each other, celebrate wins and show up ready to build something better every day.

This is your chance to be part of what’s next.

About the Role:

The Senior Software Development Engineer in Test (Sr. SDET) is responsible for designing and building robust automated testing solutions that ensure the quality, reliability, and scalability of software systems. This role applies advanced software engineering skills to quality challenges, embedding automation and testing throughout the development lifecycle. The Sr. SDET operates with a high degree of autonomy, owns test strategy for complex systems, and partners closely with software engineering, product, and platform teams to deliver high-quality solutions.

Responsibilities include but not limited to:

• Design, develop, and maintain scalable automated test frameworks for UI, API, and backend services
• Serve as the quality and automation owner for assigned products, platforms, or service domains
• Write and maintain production-quality test code using modern programming languages and frameworks
• Define and implement effective test strategies across functional, integration, regression, and end-to-end testing
• Integrate automated tests into CI/CD pipelines to support continuous testing and rapid feedback
• Perform advanced API, data-level, and contract testing to validate system integrations
• Partner with software engineers and architects to improve system testability and design quality
• Review requirements, designs, and code to identify quality risks early in the development process
• Analyze test failures and defects, perform root-cause analysis, and drive preventative quality improvements
• Support non-functional testing efforts, including performance, reliability, and scalability testing
• Lead adoption of automation tools, testing standards, and best practices across teams
• Mentor and provide technical guidance to SDETs and Quality Engineers through code reviews and collaboration
• Participate in production issue analysis to strengthen upstream testing and reduce defect leakage

Qualifications (some examples listed below):

• Strong software development experience with deep focus on test automation
• Extensive experience with test automation frameworks and tools (e.g., Cypress, Playwright, Selenium, REST-assured, Postman, similar)
• Strong understanding of REST APIs, microservices architecture, and distributed systems
• Experience building and maintaining automated tests within CI/CD pipelines
• Familiarity with cloud-based environments (AWS, Azure, or GCP)
• Strong analytical and troubleshooting skills
• Ability to influence engineering teams and advocate for quality without formal authority
• Excellent communication and cross-functional collaboration skills
• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience
• 6-9 years of experience in software testing, automation, or SDET roles
• Proven experience owning and operating automated test solutions in production environments
• Experience supporting complex, distributed, or customer-facing systems preferred

What do we offer?

• Pension/401K/RSP (country specific)
• Competitive Bonus
• Tuition Reimbursement
• Company Holidays
• Volunteering time

Compensation: The base pay range for this role is $119,200 - $149,000 annually

Pay within this range will be determined in good faith based on job-related factors, which may include skills, experience, education/training, location, and internal equity.

Subway uses technology-assisted tools to support our recruitment process. These tools strictly help organize and sort applications based on job-related qualifications. All decisions are made by people - our recruiting team and hiring managers. If you have questions or would like to request an alternative review process, please let us know.