Senior Data Platform Engineer (f/m/d)

The interview process at applike group is seamless, fast, and fun for you! Recruiting is a two-way street, so that’s why our process is designed for both you and us to get to know each other. Our Talent Acquisition team is there to guide you through the process, making sure you will receive the best candidate experience. The process is usually divided into 5 major steps:First InterviewIn the first interview you will meet someone from the Talent Acquisition team to get to know more about the company, our culture and the open role.Case Study StepWe designed this step to get a deeper understanding of your skills and also give you some insights into tasks that might be awaiting you in the new role.#### Senior Data Platform Engineer (f/m/d)* Hamburg* adjoe* Programmatic Solutions* Full-time**Meet Your Team:** **Programmatic Solutions**The **Programmatic Solutions** team powers adjoe’s real-time ad network solution integrated with leading mobile mediation platforms on both Android and iOS.Our focus lies in building adjoe’s own Ad Network– a smart bidder leveraging machine learning to optimize campaign performance by predicting conversion probability and lifetime value in real time.The team is responsible for both the adjoe Ads platform that decides which ad to display and our Android/iOS SDKs that render these ads and provide tracking events to the backend.We’ve also developed tools through which app publishers can manage their integration, analyze monetization performance, and assess ad user experience through dashboards and APIs.For potential teammates across all disciplines, working in the Programmatic Solutions team means applying your problem-solving skills in adjoe’s advanced programmatic ecosystem where milliseconds directly impact both revenue and relevance.**is redefining the future of mobile ads.** Powered by advanced AI, first-party data and world-class engineers, we’ve perfected the offerwall experience for monetizing and scaling app publishers with solutions like Playtime and Arcade – now the fastest growing rewarded advertising channel globally – driving incremental engagement, retention, and revenue. At the same time, we’re breaking into programmatic advertising with the intelligent bidding system of adjoe Ads. Together, this ecosystem connects app developers to over 600 million users worldwide for scalable growth. Backed by a $100 million investment from Bertelsmann and operating from offices in Hamburg, Boston, Singapore, and Tokyo, adjoe is defining the next stages of app and ad experience – right now. **Join us.**##### What You Will Do- **Build & Maintain a Feature Store:** Contribute to the design, implementation, and optimization of a scalable, efficient, and easily accessible feature store for machine learning applications.- **Develop Scalable Data Pipelines:** Build and maintain robust data pipelines that process and transform large-scale event data daily and in near real time within our data lake and feature platform.- **Enable High-Impact Features:** Extract, clean, and engineer features from raw data to enhance the relevance and accuracy of recommendations in our adtech platform.- **Ensure Data Quality, Observability & Integrity:** Implement data validation, monitoring, and governance processes to maintain accuracy, consistency, and reliability across all datasets.- **Bridge Data Science & Backend Teams:** Act as the key link between data science and backend engineering, ensuring seamless data integration and usage across the organization.- **Work in an International Environment:** Join an international, English-speaking team focused on scaling our adtech platform to new heights.##### Who You Are- You have 3+ years’ of software development experience, working on modern data engineering data stack.- You have experience working with Python, SQL. Knowledge of Golang is a plus.- You have experience working on distributed systems that process large amounts of data in real-time.- You know scheduling framework such as Airflow / Kubeflow- You know the concepts of data quality, feature stores.- You have advanced knowledge of computer science, algorithms, and data structures.- You have knowledge of databases and a basic understanding of regular expressions, HTTP protocol, and encoding.- Plus: You have experience in working with Clickhouse, AWS, Terraform.##### Our Tech Stack- **Apache Kafka** as our data bus system- **Go** as our primary language for backend- **Kubernetes** and **Terraform** to manage our infrastructure- **S3**, **Redis** and **Druid** as data storage- **ClickHouse** as feature store- **Prometheus**, **Grafana**, and **OpenObserve** for logging and monitoring- **Airflow** for orchestration.- … and we’re **always open to trying new technologies that suit each case best.**##### Fuel for the Journey: Benefits to Support Your Ambitions- **Invest in Your Future:** Regular feedback and our development program support your growth, helping you expand your skill set and achieve your career goals.- **Easy Arrival to adjoe:**- **Live Your Best Life, at Work and Beyond:** We work in a hybrid setup with 3 core office days, plus flexible working hours. Enjoy 30 vacation days, 3 weeks of remote work per year, and free access to an in-house gym with lots of different fitness classes and mental health support through our Employee Assistance Program (EAP).- **Thrive Where You Work:** Enjoy the Alster lake view from our central office with top-notch equipment, fun open spaces, and a large variety of snacks and drinks.- **Join the Community!** Participate in regular team and company events, including hackathons and social gatherings. We work together, and we celebrate together, too.manage\_search### Do some research!We will give you all the information about the role & company’s culture, but it’s always nice to see how you perceive us after doing some online detective workperson\_celebrate### Let your personality shineIt is a recruiting process, but this doesn’t mean you can’t loosen up and showcase your personality. We are looking for an authentic character and we are open to having some small talk or a funny joke thrown into the mix. This might even show us that you’re a good cultural fit. Remember, we like to have fun!## Finding Home Abroad – Relocation StoriesWe’re supporting new colleagues from all over the world to move to Hamburg, Germany – see what they have to share about their relocation experience:“Moving to Hamburg was a breeze thanks to adjoe/applike. They managed every detail, from flights to accommodation, and their thorough support made me feel valued even before starting my new role. The entire experience was smooth and memorable, making my transition to this beautiful city unforgettable.”Kim – adjoerelocated from the PhilippinesWe aim to make our recruiting process as fast and efficient as possible, but the duration can vary depending on the role you are applying for. Usually we are really fast, though (less than 4 weeks).Yes, if you see multiple roles open that match your skill set, you can apply for them simultaneously. Our Talent Acquisition team will review your application and contact you about the role that best seems to match your skills.Yes, if you see multiple roles that match your skill set, you can apply for them simultaneously. Our Talent Acquisition team will review your application and contact you about the role that best matches your skills.