Data Quality Assurance Analyst (m/f/d)

We are looking for a Data Quality Assurance Analyst (m/f/d)to be part of our BI-APP Team. Our BI-APP Team uses data from across the company and transforms it into logics & scores, used to provide the best personalized user shopping experience.

As a Data Quality Assurance Analyst (m/f/d) in this Team, you will ensure that our recommendation engine, product sorting logic, and search in the shop satisfy high-quality standards. You’ll work closely with Data Scientists, Analysts, and Engineers to achieve this. Further, you’ll improve and establish translating business requirements into an automated testing suite.

MySQL

Python

Google BigQuery

Gitlab

What you will do

• Ensure the quality and reliability of the data pipelines and algorithms powering AY’s recommendations, sorting, and search features
• Design, develop, and execute test plans and test cases for various Products, focusing on data accuracy, algorithm performance, and user experience impact
• Develop and maintain automated data quality checks, tests and monitoring systems
• Contribute to the evolving data quality standards and best practices within the BIAPP team
• Design, monitor and maintain QA reports, KPIs & quality trends for our internal data systems
• Participate in post-mortem analysis of production issues to identify root causes and define QA measures to prevent future failures

Who you are

• Practical experience with testing frameworks (e.g., Jest, Mocha, pytest) and testing APIs, ideally within data science or recommendation system contexts
• Experience designing testing strategies for dynamic products with variable data inputs.
• Familiarity with CI/CD processes (e.g.Gitlab CI, Github Actions), ticketing systems (e.g., Jira), and monitoring tools (e.g. Datadog) is a plus
• Strong analytical skills with proven experience using SQL and data analysis tools
• Familiarity with data visualization tools and techniques
• Solid understanding of data warehousing concepts, ETL processes, and data quality principles
• Fascinated by the data behind personalized shopping: You’re driven to understand how data powers systems like search, recommendations, and product sorting in an e-commerce environment
• Highly structured and detail-oriented work style
• Strong problem-solving skills with an adaptable mindset for a fast-paced environment
• Excellent communication skills, including fluent written and spoken English for clear collaboration
• Ability to work independently and manage time effectively
• Proactive and self-driven, with a passion for data quality and a strong desire for continuous learning and growth

Sports courses

Free access to code.talks

Exclusive employee discounts

Free drinks

Language courses

Laracast account for free

Help in the relocation process

Mobility subsidy

State-of-the-art technology

Central Location

Flexible Working Hours

Company pension

Professional training

Dog-friendly office

Remote

Feedback Culture

Job Bikes

YOU ARE THE CORE OFABOUT YOU.
We take responsibility for creating an inclusive and exceptional environment where all genders, nationalities and ethnicities feel welcomed and accepted exactly as they are. We believe that a diverse workforce essentially contributes to theABOUT YOUculture. In order to maintain talent and diversity, we emphasize the care for physical health, mental health and overall well-being. Our values and work ethics essentially contribute to our brand mission: empower acceptance and shape an inclusive, fair and circular fashion culture.

We are looking forward to receiving your application – preferably via our online application portal! Thus, we can ensure a faster process and for you it is very easy to upload your application documents. :-)

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