Senior Backend Developer
Adevinta
Kleinanzeigen is the leading online classifieds market in Germany. An average of more than 50 million ads are available in numerous categories - from children's supplies to electronics to real estate. With more than 36 million users per month, Kleinanzeigen has the widest reach of all online selling platforms in the country. Most of the items traded on Kleinanzeigen are second-hand. In this way, users make an active contribution to sustainability. The Kleinanzeigen market allows companies the opportunity to easily offer their services online. Kleinanzeigen was launched in September 2009 as eBay Kleinanzeigen. Since June 2021, the company has been part of Adevinta, a leading global provider of online classified ads. In May 2023, the name was changed to Kleinanzeigen.
Kleinanzeigen is part of Adevinta: a global online classifieds specialist and sustainability leader with 25+ products in 10 countries.
What you’ll do & Who you are
We are seeking a Senior Backend Developer to join our team working on 1P Advertising, a key initiative to unify independent platforms into a single, scalable solution. In this role, you will be responsible for designing and developing high-quality backend services, ensuring performance, scalability, and reliability. You will collaborate closely with product management, frontend developers, designers, and AdTech teams to build a robust backend architecture that powers our platform.
Skills
Must have:
5+ years of professional experience in backend development, with strong proficiency in Java/Kotlin
3+ years of hands-on experience with Spring Boot and the broader Spring ecosystem
Solid experience (3+ years) working with Postgres, MySQL or other relational databases
2+ years of practical experience with Elasticsearch
Strong hands-on experience with AWS and cloud-native development
Familiarity with Liquibase or other database schema management tools
Proficiency with version control systems such as Git
Experience working with distributed message brokers (e.g. Kafka, FireHose)
Knowledge of monitoring and observability tools like Grafana or Datadog
Familiarity with continuous integration and deployment (CI/CD) tools such as Jenkins or GitHub Actions
Strong understanding of APIs, microservices architecture, and server-side processes
Good soft skills: communication in English, ownership, leading epics development
Experience working with a global or multicultural team
Nice to have:
Experience in advertising technology
Experience with Airflow and DBT for data workflows
Benefits
Life at Adevinta comes with its perks! Our Adevintans enjoy the following benefits:
An attractive Base Salary 💸
Participation in our Short Term Incentive plan (annual bonus) 🏆
Work From Anywhere: Enjoy up to 20 days a year of working from anywhere! Maybe not from the moon🌛well why not! just make sure you have internet connection! 🌍
A 24/7 Employee Assistance Program for you and your family, because we care ❤️
Win together, lose together is one of our key behaviours. At Adevinta you will find a collaborative environment with an opportunity to explore your potential and grow 🌱
On top of these, we also provide a range of locally relevant benefits. Wanna know more? Apply and ask our recruiters! ✨
Adevinta is an equal opportunity employer and we value diversity. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status.
If you feel like you don’t meet all of the requirements for this role but are interested, please consider applying anyway. Research suggests that women and individuals from underrepresented groups may self-select out of opportunities if they don’t meet 100% of the job requirements. We strongly encourage people from historically excluded groups to apply and look forward to speaking with you.