Hybrid Senior Software Development Engineer, Test (SDET)

at Westfield Health

• Job title: Senior Software Development Engineer, Test (SDET)
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: No Education Requirement
• Tech skills: AWS, Azure, Cloud, Cypress, Docker, Google Cloud Platform, Java, JavaScript, Jenkins, JUnit, Kubernetes, Microservices, Python, TypeScript
• Location requirements: Hybrid, Westfield Center, United States

About the role

• Senior Software Development Engineer of Test driving quality engineering transformation at Westfield. Delivering reliable software through automation, AI, and collaboration with engineering teams.

Responsibilities

• Design, develop, and maintain robust automated test frameworks for API, UI, integration, performance, and end-to-end testing.
• Write production-level automation code using modern languages (e.g., Java, Python, JavaScript/TypeScript, C#).
• Implement shift-left engineering by partnering with developers on unit testing patterns, code quality, and testability design.
• Ensure automated tests integrate into CI/CD pipelines to improve feedback speed and delivery confidence.
• Identify and automate high-value opportunities that replace manual or repetitive validation.
• Use GenAI tools for test generation, code suggestions, defect classification, and quality insights.
• Contribute to self-healing automation frameworks and AI-assisted testing accelerators.
• Promote responsible use of AI for engineering workflows and coach team members in AI-supported testing techniques.
• Translate business and system requirements into risk-based testing strategies and automation coverage models.
• Partner with developers, architects, and QE Leads to design API-first quality strategies aligned to platform modernization.
• Contribute to test data design, service mocks, simulation layers, and synthetic test environments.
• Analyze logs, telemetry, and monitoring data to identify systemic issues and drive long-term quality improvements.
• Work directly with Application Engineering, DevSecOps, Architecture, and Operations to build a unified quality model.
• Improve pipeline quality through CI/CD best practices, static analysis, quality gates, and automated checks.
• Participate in production issue reviews; identify root causes and inject corrective actions into future sprints.
• Mentor junior engineers and testers on automation patterns, debugging, API testing, and engineering best practices.
• Perform hands-on testing of complex workflows, integrations, and edge cases where human judgment is required.
• Evaluate defects, logs, and system behavior to identify gaps in coverage or test strategy.
• Maintain high-quality documentation for test frameworks, automation suites, and quality processes.
• Evaluate and recommend new tools, frameworks, and engineering techniques aligned with enterprise standards.

Requirements

• 5–7+ years in software engineering, test automation, SDET, or quality engineering roles.
• Strong programming experience in one or more languages (Java, Python, JavaScript/TypeScript, C#, etc.).
• Expertise with modern test frameworks (JUnit/TestNG, PyTest, Playwright/Cypress, REST Assured, etc.).
• Experience with CI/CD pipelines (GitHub Actions, Azure DevOps, Jenkins) and DevSecOps-aligned practices.
• Solid understanding of Agile methodologies and modern software engineering principles.
• Experience with AI-enabled quality engineering tools (self-healing, autonomous test generation, etc.).
• Experience with observability, logs, dashboards, and performance testing tools (Dynatrace, LoadRunner, Graylog).
• Hands-on experience testing and automating REST APIs, microservices, integrations, and cloud-based systems.
• Cloud or container experience (AWS/Azure/GCP, Docker, Kubernetes).
• Industry certifications (CSQE, ISTQB, or similar).

Benefits

• Health insurance
• Retirement plans
• Paid time off
• Flexible work arrangements
• Professional development