Senior Software Development Engineer in Test, SDET/AI

Jobtailor; Deutschland; Vor Ort; EUR 75.000 - 110.000; Vollzeit

Zusammenfassung

Jobtailor is seeking a Senior SDET to design and implement scalable E2E, API, and integration tests. You will build automated quality infrastructure to accelerate product delivery and ensure robust AI/LLM-powered application testing, including agentic workflows and RAG-based systems.

You will collaborate with engineers to embed testing across microservices, CI/CD pipelines, and production observability, driving quality and automation across distributed teams.

Qualifikationen

• Senior-level experience as an SDET or Test Automation Engineer.
• Proficient in TypeScript and Node.js with strong API testing experience.
• Hands-on with Playwright, Cypress, or Puppeteer.
• Experience testing REST and GraphQL APIs, including authentication flows.
• Experience integrating automated testing into CI/CD pipelines.
• Strong knowledge of PostgreSQL and test data management.
• Able to work independently in a remote, async-first environment.
• Familiar with AI-assisted development tools like Cursor, Claude Code, and Copilot.

Aufgaben

• Design, develop, and maintain scalable end-to-end, integration, and API testing frameworks from scratch.
• Build automated quality infrastructure that supports rapid product development and deployment.
• Develop testing frameworks and evaluation systems for AI/LLM-powered applications, including agentic workflows and RAG-based systems.
• Create automated guardrails, confidence metrics, regression detection, and traceability for non-deterministic AI systems.
• Integrate automated testing into CI/CD pipelines to enable reliable and continuous delivery.
• Leverage AI coding tools to accelerate test development and maintenance.
• Collaborate with software engineers to improve testability and quality standards across backend and frontend systems.
• Implement testing strategies for REST and GraphQL APIs, authentication flows, and microservice architectures.
• Monitor application quality in production using observability and analytics tools.
• Help drive a culture of engineering excellence, automation, and quality ownership across distributed teams.

Kenntnisse

Senior-level SDET

Test Automation

Remote work

Strong communication

Independent/star team collaboration

Tools

TypeScript

Node.js

Playwright

Cypress

Puppeteer

PostgreSQL

CI/CD

REST/GraphQL

Cursor

Claude Code

GitHub Copilot

Jobbeschreibung

• Design, develop, and maintain scalable end-to-end (E2E), integration, and API testing frameworks from scratch.
• Build automated quality infrastructure that supports rapid product development and deployment.
• Develop testing frameworks and evaluation systems for AI/LLM-powered applications, including agentic workflows and RAG-based systems.
• Create automated guardrails, confidence metrics, regression detection, and traceability mechanisms for non-deterministic AI systems.
• Integrate automated testing into CI/CD pipelines to enable reliable and continuous delivery.
• Leverage AI coding tools such as Cursor, Claude Code, and GitHub Copilot to accelerate test development and maintenance.
• Collaborate closely with software engineers to improve testability and establish quality standards across backend and frontend systems.
• Implement testing strategies for REST and GraphQL APIs, authentication flows, and microservice architectures.
• Monitor application quality in production using observability and analytics tools.
• Help drive a culture of engineering excellence, automation, and quality ownership across distributed teams.

Requirements

• Senior-level experience as an SDET or Test Automation Engineer.
• Strong proficiency in TypeScript and Node.js.
• Hands-on experience with Playwright (preferred), Cypress, or Puppeteer.
• Extensive experience testing REST and GraphQL APIs, including authentication and authorization flows.
• Experience integrating automated testing into CI/CD pipelines.
• Strong knowledge of PostgreSQL and test data management.
• Proven ability to design and build testing frameworks from scratch.
• Experience working independently in remote, async-first environments.
• Practical experience with AI-assisted development tools such as Cursor, Claude Code, and GitHub Copilot.
• Strong communication and collaboration skills.