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Software Development Engineer in Test (SDET)

bswift
UKRemotefull_timeVerifiedPosted 3 Oct 2025

About the role

Want to be a bswifter? 

At bswift we’ve been transforming benefits administration since 1996, making it simpler, smarter, and more human. Our state-of-the-art, cloud-based technology and services empower employees to understand, manage, and love their benefits. From downtown Chicago, and remotely across the country, we serve thousands of companies and millions of people nationwide, reducing administrative burdens and freeing HR teams to focus on creating thriving, people-first workplaces. 

 We’re looking for motivated and goal-driven individuals who share our passion for delivering excellence and creating solutions that make a difference. The reward is a fun, flexible and creative environment with ample opportunity for professional and personal growth. If you love the bswift values of pursue excellence, embrace accountability, deliver superior service, and be a great place to work, we want to hear from you! 

 

We are seeking a proactive Software Development Engineer in Test with strong software development skills and a quality-first mindset. You will design, develop and implement automated tools and test infrastructure for validating product features across Web, Mobile, API, and backend services, while ensuring high-quality delivery. You will participate in product specification, code reviews and translate customer requirements, product goals into appropriate tests. You will spend 60-80% of your time writing test automation code.

Responsibilities:
Automation, Coverage & Mobile Testing
• Design and maintain automation frameworks for Unit, Integration, Regression, and End-to-End testing.
• Define and monitor test coverage across UI, API, and database layers to ensure comprehensive quality assurance.
• Develop and manage test scripts using tools like Playwright, Cypress, Jest, BrowserStack, and Cucumber.
• Create robust test data generation strategies, including synthetic data for benefits scenarios.
Functional & Non-Functional Testing
• Design, execute, and maintain functional, performance, load, and stress tests using tools such as JMeter, WebLoad and k6.
• Perform security validation and edge-case scenario testing to ensure application reliability and resilience.
CI/CD Integration & Observability
• Integrate automated tests into CI/CD pipelines using tools like ADO Pipelines, GitHub Actions or Jenkins.
• Collaborate on deployment activities, including rollback verification and post-deployment validation.
• Monitor application and test performance using tools such as CloudWatch, Datadog, Grafana, or Kibana to proactively detect issues and ensure system health.
SDLC Involvement & Agile Practices
• Actively contributes to Agile ceremonies and backlog grooming sessions with a focus on understanding both functional and non-functional requirements, ensuring clarity around testability, performance, and reliability.
• Define test strategies early in the lifecycle and ensure traceability from requirements to test cases and results to maintain coverage and accountability.
Code Quality & Version Control
• Follow Git-based workflows and branching strategies for effective collaboration throughout the SDLC.
• Review test code, enforce quality standards, and document test scenarios, automation architecture, and quality KPIs to ensure transparency and maintainability.
AI driven quality engineering
• Leverage Generative AI and prompt engineering techniques to accelerate test case generation, improve coverage, and enhance productivity in QA workflows.
• Support testing of Generative AI applications, ensuring compliance, reliability, and quality through thorough validation of outputs and behaviors.
Leadership & Mentorship
• Mentor junior SDETs and QA engineers on best practices in test automation, debugging, and test design, fostering a culture of quality and continuous learning.
• Lead test planning and strategy for major features, services, or cross-functional initiatives, ensuring test coverage across functional and non-functional areas.
• Align QA goals with product and engineering roadmaps, collaborating closely with stakeholders to ensure quality is integrated from planning through release.

Knowledge, Education and Experience:
• Bachelor’s or master's in computer science, Engineering, or related field
• 3-5 years of SDET experience with strong skills in TypeScript, scripting, and automation tools (Playwright, Cypress, Jest, Appium, Selenium)
• 3+ Years of Software Development/Programming experience
• Hands-on with AWS (Lambda, DynamoDB, SQS, EventBridge, API Gateway), microservices, and event-driven architectures
• Experience in mobile testing and automation using Sauce Labs or

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Company

bswift

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