Senior Data Engineer (m|w|d)

idealo is currently looking for a Senior Data Engineer for our Team CRM Tech. You want to help idealo become the best platform for making shopping decisions in Europe? You seek a team culture that is based on openness, respect, integrity, and trust? Then you will enjoy this opportunity! 

As part of Team CRM Tech in the Engineering department, you will work in a hybrid role at the intersection of Software Development and Data Engineering.

The position of Senior Data Engineer (f|m|x) is offered full-time or part-time. 

About your new role 

• As part of Team CRM Tech in the Engineering department, you provide a strong foundation for business growth on cloud-based infrastructure (AWS) and robust platform products.   

• While driving the ongoing improvement of our core products 'identity resolution' and CRM tech platform, including ETL pipelines, you ensure compliant data integration from distributed sources, supporting our retention strategy with a strong focus on reliability and scalability.   

• Beyond your data engineering focus, you will have the chance to broaden your impact by supporting our backend services in Subscription Management and Messaging Service, working with technologies such as TypeScript, AWS-CDK and Java Spring Boot.   

• Writing testable, maintainable, and high-quality code is a core part of the role, including taking operational responsibility for developed components. 

• A pragmatic and adaptable approach is essential to deal with evolving requirements while delivering lightweight and flexible solutions to stakeholder problems. 

• Ownership and accountability are key: the role requires balancing implementation effort with expected value, always aiming for meaningful and cost-conscious outcomes. 

Skills & Requirements

Tech skills  

• You have solid experience in designing and optimizing ETL pipelines to extract, transform and load data from distributed sources.

• You are proficient in working with data models, schemas and integration points, and confident using SQL, Spark and Airflow.

• You have hands-on experience with cloud-based data architectures, ideally including Snowflake and AWS services such as Lambda and S3.

• You bring several years of experience developing applications in Python and TypeScript, applying clean code and testing principles.

• Familiarity with infrastructure and messaging tools like AWS CDK, SQS, SNS, Kafka or Aiven is a plus.

• You have a strong interest in software engineering and enjoy contributing to backend services such as our Subscription Management and Messaging Service (experience with Java is an advantage).

Mindset and people skills  

• You proactively seek and integrate feedback to foster personal and professional development, while excelling in an environment that supports your growth, initiative and creativity.   

• You have a forward-thinking mindset, enjoy diving into new technologies and approaches, such as AI, early on, and thrive on collaboration, knowledge sharing, and driving innovation within teams.  

• You feel responsible not only for your own work results, but also for your team’s success.   

• Great communication skills in English complete your profile. This allows you to exchange, discuss and share knowledge with colleagues and stakeholders.  

You don't tick all the boxes? Don't worry, we are looking for employees who convince us with their personality and are motivated to go on full power with their team! 

At idealo you can expect

• You need vacation? We offer you 30 days of vacation. Not enough? You can "buy" an additional 15 days every year by converting your salary and it's seen as a positive thing.

• 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 excellent free lunch, 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!

• You don't live in Germany yet? We support you in the visa process and with your relocation.

• 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.

• You are a parent of a child that’s in need of daycare? Your needs are well looked after with our company KiTa which enables you to keep focused on work with no worries. In addition, you are paid in full for up to 30 sick days per child per year and if you are a single parent, even up to 60 sick days.

• 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!

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