Software Engineer in Test

Job Title: Sr. SDET (Senior Software Development Engineer in Test, Merchandising Automation)

Location: Shelton, Connecticut, United States

Type: Full Time

Our Client is a forward-thinking organization building next-generation digital platforms and automation ecosystems. This is a high-impact opportunity to lead quality engineering initiatives, ensuring reliability, scalability, and performance across complex, integrated systems.

Role Overview

We are seeking a Senior Software Development Engineer in Test (SDET) to design and implement robust automated testing frameworks for API-driven and event-based architectures. This role is deeply embedded within engineering teams, ensuring quality is built into every stage of the development lifecycle.

Key Responsibilities

Test Automation & Framework Development

• Design, build, and maintain scalable automated test frameworks across functional, integration, and end-to-end scenarios
• Develop production-quality test code aligned with engineering standards

System Integration & Quality Engineering

• Validate APIs, event-driven pipelines, and cross-platform integrations
• Ensure data accuracy, system reliability, and seamless interoperability across digital systems

Performance & Reliability Testing

• Develop and execute performance, load, stress, and reliability testing strategies
• Identify system bottlenecks and validate scalability under high-demand scenarios

CI/CD & Quality Integration

• Integrate automated tests into CI/CD pipelines to enable continuous testing and faster releases
• Define acceptance criteria and embed quality gates within development workflows

Collaboration & Test Strategy

• Partner with engineering teams to influence system design for improved testability
• Contribute to test strategy, coverage planning, and quality best practices

Analytics & Continuous Improvement

• Track quality metrics and test coverage across systems
• Perform defect analysis, support root cause investigations, and recommend improvements

AI-Enabled Development

• Leverage AI-assisted tools to accelerate test development, generate test data, and analyze failures
• Champion adoption of modern engineering and automation practices

Candidate Profile

• Bachelor’s degree in Computer Science, Software Engineering, or related field
• 5+ years of experience in software engineering or test automation roles
• Strong proficiency in JavaScript/TypeScript (Node.js)
• Experience with UI and API test automation frameworks
• Hands-on experience with API-driven and event-based architectures
• Familiarity with cloud platforms and asynchronous messaging systems
• Experience integrating automated testing into CI/CD pipelines
• Strong problem-solving and analytical mindset
• Ability to collaborate effectively with cross-functional teams
• Strong communication skills with the ability to translate technical insights

Preferred Qualifications

• Experience with integration or workflow automation platforms (iPaaS tools)
• Knowledge of contract testing methodologies
• Experience with performance and reliability testing at scale
• Familiarity with observability and monitoring tools
• Exposure to digital commerce, retail, or similar domains
• Experience with AI-assisted development tools for automation and analysis
• Relevant certifications in cloud or software testing are an advantage