Senior QA Engineer (Node.js) - (Germany, Remote, m/d/f)

Job Overview

We are looking for an experienced Senior QA Engineer to elevate the quality, reliability, and maintainability of our SaaS ecosystem of NodeJS microservices and React web applications. You’ll work on test strategies, guidelines, and implementations, and supervise the monitoring thereof. You’ll contribute your own ideas, process changes, and new frameworks to ensure continuous quality improvements across multiple projects and domains. As a QA engineer, you’ll pair up regularly with others, perform code reviews, identify dark spots, plan tasks and projects, estimate workloads, and provide guidance. You will work closely with engineering leadership, product managers, and engineers of all disciplines to elevate the quality and reliability of our applications.

To excel at this role you should be an excellent communicator and mediator, have expert knowledge of TypeScript, Node.js-based services, and React applications, as well as common testing frameworks and best practices. A solid understanding of CI/CD processes and SAST/DAST tooling, along with an everlasting urge to raise the quality bar, is essential. This is a high-impact role for someone who thrives on elevating engineering standards and driving a forward‑thinking, AI‑first approach across the organization.

Responsibilities

• Ensure reliability of high‑performance applications by writing testable, reusable, and efficient code.
• Optimize and expand the existing test suites and CI/CD pipelines.
• Collaborate with product people on the test strategy and automation for continuous acceptance criteria validation.
• Work closely with engineers to write efficient and maintainable e2e, integration, and unit tests.
• Perform code reviews with a focus on test coverage, quality, and efficiency.
• Identify dark spots and create/adjust test strategies to close them.
• Supervise SAST/DAST tooling and set up strict but reasonable rules to ensure quality alignment between projects.
• Have a great sense for code quality and continuously raise our quality bar.

Requirements

• 5+ years of professional experience in software automation; high proficiency in Node.js with TypeScript.
• Expert knowledge in writing tests with Playwright, Cypress, Jest, or Vitest.
• Experience creating test strategies and proof‑of‑concepts.
• Experience working with AWS.
• Working knowledge of SAST/DAST tools such as SonarQube and continuous error‑tracking solutions, preferably DataDog or similar.
• Ability to write efficient, reliable tests with an eye toward impact and maintainability.
• Experience performing code reviews in a friendly, constructive, but strict manner.
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem‑solving aptitude.
• React and NestJS expertise in a GraphQL microservice ecosystem (nice to have).
• Experience with CI/CD processes such as GitLab, Docker, or Kubernetes (nice to have).
• Experience working with AI tools such as Junie/Cursor or equivalent (nice to have).

Benefits

• Transparent, above‑market salaries.
• 100% remote within Europe.
• Flexible work hours and part‑time models.
• Be part of a fast‑growing, highly‑skilled team.
• Home office, co‑working space, and work‑together allowance.
• Personal and professional development courses from Udemy.

Please note that you need to be residing in and hold a work permit of a country in the European Union to be considered for this role.

#J-18808-Ljbffr