Senior QA Engineer; Node.js Europe, Remote

YOUR MISSION

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 the monitoring thereof. For this you'll contribute your own ideas, process changes and new frameworks to ensure continuous quality improvements to the code base and hence act as a quality guardian across multiple projects and domains.

As a QA engineer, you'll also regularly pair up with others, perform code reviews, identify dark spots, plan out tasks and projects, estimate workloads and provide guidance.

You'll be working closely with Engineering Leadership, Product Managers and Engineers of all disciplines to elevate quality and reliability of our applications.

To excel as a Senior QA Engineer at Factor‑Eleven, you should be an excellent communicator and mediator, have expert knowledge of Typescript, NodeJS based services and React applications, as well as common testing frameworks and their best practices, a solid understanding of CI/CD processes and SAST/DAST tooling and an everlasting urge to raise the quality bar. 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.

Any experience with Cypress, Playwright, Jest, Sonar Qube, Data Dog and Graph

QL is a plus.

• Ensure reliability of our 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, continuously raising our quality bar

• 5+ years of professional experience in software automation; high proficiency of NodeJS with Type Script
• Expert knowledge in writing tests with Playwright, Cypress, Jest or Vitest
• Experience in creating test strategies (creating POCs)
• Experience working with AWS
• Working knowledge of SAST/DAST tools such as Sonar Qube and continuous error tracking solutions, preferably Data Dog 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 Graph
  
  QL microservice ecosystem (nice to have)
• Experience with CI/CD processes, such as Gitlab or Docker or Kubernetes (nice to have)
• Experience working with AI tools such as Junie/Cursor or equivalent (nice to have)

Factor Eleven's tech department is the in‑house tech scale‑up responsible for our SaaS product suite offering localized digital advertising to enterprises of all sizes and shapes. We're powering the engine that Factor Eleven is successfully built upon and elevate the possibilities of our product on a daily basis. We're working together to fulfill our ambitions as a top ad‑tech provider by continuously leveling up the quality and expanding capabilities of the entire platform, as well as our engineering and product organization.

Join our amazing team in our mission to move digital localized advertisement forward and enjoy the freedom, camaraderie and perks of our fully remote operations.

• Transparent, above‑market salaries
• 100% remote within Europe
• Flexible work‑hours
• Be part of a fast‑growing, highly‑skilled team
• In‑person department and company events
• 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.