Senior Software Development Engineer in Test (SDET) - B2B SaaS | Hybrid

We’re looking for a Senior Software Development Engineer in Test (SDET) to act as a true development partner, embedded within our feature teams rather than operating as a traditional QA resource. You’ll write code, collaborate closely with engineers, and ensure quality is built into features from the start through meaningful, business-aligned automated testing - not just test case execution or edge-case overengineering., * Act as the go-to quality engineering partner across multiple product areas

• Reduce regression issues through robust, business-focused automation
• Influence architectural decisions to improve system testability
• Help scale automated testing practices as the platform grows, * Collaborate with developers during feature development to design and implement automated tests thatvalidatecore business functionality
• Own and improve unit and integration testing across services and platforms
• Build andmaintainscalable automated test suites integrated into CI/CD pipelines
• Contribute to code reviews and architecture discussions to improve testability and quality
• Ensure testing focuses on real-world business scenarios rather than exhaustive edge cases
• Partner with Ruby backend and iOS/Android teams tomaintainconsistent quality standards

Technical Environment

• Backend: Ruby /RSpec
• Cross-functional collaboration with iOS and Android engineers
• Focus on automated testing (not manual QA)

• Strong experience with test automation frameworks and tools (preferably in Ruby /RSpec)
• Solid understanding of the SDLC in a coding-heavy environment
• Ability to write and review code as part of quality engineering
• Experience integrating automated tests into CI/CD pipelines
• Comfortable working closely with developers during feature development
• Ability to align automated testing with business requirements rather than focusing on manual QA

Nice to Haves

• Experience working with mobile ecosystems (iOS / Android)
• Experience in Ruby-based backend environments