(Senior) Data Scientist – Search / Relevance (m|w|d)

Our team helps millions of people every day to find and compare products and prices across shops. The search team focuses on finding new ways and technologies to serve our customers with the most relevant results. You can be part of our team that’s continuously exploring and improving solutions for customer query understanding and product result ranking for the best match. 

You can expect purpose - providing people with a fair and unbiased service unlike any other B2C e-commerce company. Day to day, you would find freedom to work it your way - shaping the search with interesting challenges tackled together, in our team of seven amazing colleagues. The challenge awaits you - to serve >40 million customers with >2 billion offers in <100ms search response time. 

The position is available in full or part-time.

About your new role

• Work as an interface between Product Management, Engineers and Analysts in a cross-functional team to improve idealo’s customer experience through data-driven decision making. 

• Analyze large and complex datasets to uncover patterns, trends, and opportunities, always with a strong focus on business impact and customer value. 

• Define and refine problem statements together with Product and stakeholders, translating business needs into clear analytical questions and hypotheses. 

• Design, run and analyze experiments (e.g. A/B tests) to evaluate product changes and guide decision-making based on causal inference. 

• You drive solution design and impact assessments collaboratively with the team, ensuring that insights lead to actionable outcomes. 

• Build dashboards, define KPIs, and monitor performance to make success measurable and transparent. 

• You proactively identify opportunities where data can unlock value, as well as gaps where additional data or tracking is needed. 

Skills & Requirements

• At least 5 years of professional experience as a Data Scientist (or similar role) with a track record of delivering measurable business impact. You have a degree (Ph.D., M.Sc. or equivalent) in a quantitative field such as Statistics, Mathematics or a related discipline. 

• You bring strong experience in experimentation and A/B testing, including hypothesis design, statistical evaluation, and interpretation of causal effects. 

• You have a product-oriented mindset and enjoy working closely with Product Managers and Engineers to solve real business problems. 

• You enjoy independently and systematically digging into complex data and analytical tasks. You can set your own goals and produce quantitative results in a goal-oriented manner, which you can present in a comprehensible way.  

• You are proficient in SQL and Python (e.g. pandas, NumPy, scipy) and can communicate your findings through clear visualizations and storytelling. 

• You have strong analytical thinking and are comfortable working with complex datasets to generate actionable insights. 

Nice to have

• Experience with query understanding, semantic search, and linguistic analysis. 

• German-speaking skills.

At idealo you can expect

• You want to further your education? We take your personal development goals seriously and, in addition to our idealo Learning Hub, eLearning offerings (e.g., Udemy), coaching & mediation, we also offer you the opportunity to benefit individually from additional learning and development budget.

• And what about the office? Our office in the heart of Berlin offers free organic breakfast, excellent free lunch (vegan and vegetarian), as well as free coffee, lemonades and after-work beer, in addition to the "standard foosball". It also has a fabulous rooftop terrace with view of the whole of berlin where you can network with colleagues from our group of companies.

• In need of additional support in any areas of your life? We offer free counseling and support in all areas of life (professional, private, family, health, etc.) in cooperation with the pme-Familienservice.

• You want full flexibility on your way to work and beyond? No problem with a job bike or Deutschlandticket - and it's environmentally friendly, too!

• Want to keep yourself fit? We offer many different fitness and sports options, such as an Urban Sports or Gympass membership, to suit your personal needs.

• And what else is there? Of course, success must be celebrated! In addition to team events, you can also expect big company events and other moments of organized connection with others in the company and your team throughout the year!

#LI-MW