Backend Engineer - CRM Platform

Team CRM Tech is responsible for delivering the technical infrastructure that enables idealo's CRM campaigns. They build and maintain systems that handle identity resolution, subscriptions, data flows, and message delivery, while ensuring GDPR compliance and supporting personalized user experiences., * Design, implement, and maintain reliable and scalable software systems and data flows for CRM and user engagement use cases.

• Collaborate with Software Engineers, Data Engineers, Product Managers, and other stakeholders to deliver robust solutions that integrate across domains and teams.

• Contribute to the team's architecture and technical decision-making, ensuring high code quality and operational excellence.

• Take ownership of services throughout their lifecycle, from design and implementation to monitoring and improvement.

• Ensure best practices for testing, CI/CD, and cloud infrastructure are applied and continuously improved.

• Support and mentor less experienced engineers by sharing knowledge, conducting code reviews, and fostering a collaborative team culture.

• Explore and adopt new tools and technologies to improve development efficiency and system performance.

• Strong experience in backend development with Java (Spring Boot) or Kotlin; experience with TypeScript is a plus.

• Solid understanding of cloud-based architectures, preferably on AWS (e.g. Lambda, S3, Snowflake, Glue, SNS/SQS).

• Hands-on experience with CI/CD pipelines, infrastructure as code (e.g. AWS CDK, Terraform), and monitoring.

• Familiarity with event-driven systems and tools such as Kafka, as well as microservice architectures.

• Good knowledge of SQL and experience handling structured and semi-structured data.

• Experience with Python or data engineering tools is a plus.

Nice-to-have:

• Experience working with data pipelines, APIs, and data integration processes (schemas, transformations, ETL).
• Experience with AI/LLM-assisted engineering (Claude, ChatGPT).

idealo is a Berlin-based internet success story. Founded in 2000, we started with the mission of helping our users to make the best online buying decisions. 
Today, we are one of the leading product and price comparison platforms in Europe and one of the largest portals in the German e-commerce market. We achieved this by obtaining more than 2.5 million page impressions per day, 50.000 connected Online-Shops, and over 560 million product offers. With a strong focus on convenience, transparency, and technological expertise, we enable our partners to grow their business on idealo as a high-quality traffic and sales driver. 

As a member of our team, you can look forward to working with a large degree of freedom in an international and inspirational environment. We are located in the heart of Berlin but believe that we are happier and can work more effectively when the job fits our individual lives. That's why we offer our employees the freedom to choose their workplace. At idealo, we are convinced that flexibility is fundamental for hybrid working and offer permanent work from anywhere in Germany as well as temporary from abroad. 

We offer a unique idealo spirit. Your ideas are the driving force that moves our business forward. Not only our product portfolio is diverse, but also the people who work on it. We want you just as you are – regardless of origin, religion, gender, sexual orientation, or a degree of disability.