Senior Data Engineer - Machine Learning (m/f/d)

Ratepay‘s risk management platform scans hundreds of thousands of transactions per day in order to enable secure payments for our merchants and their customers while also protecting our profitability. For this purpose, Software Engineers, Data Scientists, Data Engineers, Machine learning Engineers and Product Managers closely collaborate in the Risk-engineering tribe to continuously enhance our risk management capabilities by creating new in-house solutions for fraud prevention and credit risk assessment based on state-of-the-art machine learning, data processing, and the integration of third-party providers. 
 
Your mission:  
Currently operating on an on-premise setup for our ML use-cases, we want to significantly improve our capabilities by augmenting our ML systems to suit our growing needs for automation, scalability and ease of use. 
This is an exciting and rewarding position where you will be one of the main contributors to implement, operate, grow and improve our Risk platform as an AWS cloud-based solution. 

You will build and own large parts of our ML framework, such as features stores, data catalogue and automated feature generation with the goal to enable reliable ML delivery solutions at scale. 
Partner closely with machine learning engineers, data scientists, analysts, software engineers and researchers 
Build reliable, distributed data pipelines and intuitive data products that feed into machine learning models, analytics, and research, thereby allowing our stakeholders to easily leverage data in a self-serve manner. 
  

• Focused on data pipelines, features stores, feature generation + cloud systems 
• Together with a diverse, cross-functional team of Engineers and Data Scientists, you bring our Risk Decision Platform to the next level 
• Build and contribute towards significant parts of our data engineering framework in Risk Machine Learning: Finding ways to create and improve scalable, efficient and well-tested solutions 
• Involved in the day-to-day operations of the team: Maintaining and improving our current tools & scripts and supporting ML Engineers and Data Scientists 
• You bring your improvement and automation ideas to life, shaping the future of data engineering at Ratepay  

• 5+ years of experience as a Data Engineer in the context of building an ML platform
• Strong SQL & ETL knowledge
  
• Good understanding of feature stores (e.g Sagemaker, Feast, Hopsworks, Iguazio, Kaskada, Molecula, Rasgo, Tecton, Vertex) OR stream processing (e.g. Kafka, Spark, Flink, Amazon Kinesis, Azure Stream Analytics or Google Cloud Dataflow.)
• Experience with data models and ML problems and tools
• Knowledge of Python in the context of ML and pipelines (e.g Pandas, NumPy, SciPy, Matplotlib, PyTorch, KERAS, Theano, Seaborn, TensorFlow, Scikit-learn, PySpark)

About you;

• You like working autonomously and taking ownership of projects and components 
• Your rigorous focus on simple but high-quality solutions, understanding the use cases and business impact 
• You are a team player and your working mantra includes: “You build it, you run it” 
• Your business proficiency in English rounds off your profile 

• Flexible working hours and hybrid working options to balance work and family life
• Surrounded by entrepreneurial people with plenty of room for creativity and new ideas
• A stable working environment (we are part of the Nexi Group - one of the biggest financial groups in Europe)
• Room for personal growth and professional development
• Trustful interaction in a welcoming team with flat hierarchies
• A highly diverse and culturally ambitious business with 40+ nationalities
• A challenging job in a rapidly growing industry
• The opportunity to work within a fast-moving industry leader combining modern technology and standards

Benefits 

• Company and team events, knowledge exchange and the opportunity to contribute your ideas
• Generous private pension scheme - Ratepay matches 100% of your contribution up to 100 Euros per month
• The chance to get involved in social projects as part of our sustainability initiative
• Become a digital nomad: Work with Ratepay from any country within the EU for up to 3 months per year
• Annual BVG allowance to supplement the cost of public transport in Berlin
• Equipment support allowance
• Seasonal vaccinations, health checks and eye exams
• Self-care days
• 28 days vacation
• Employee Bereavement plan
• Social Friday, where employees can take a half day off to contribute to a community initiative
• Access to a corporate benefits platform where employees can get great discounts and offers for a range of online shops and activities
• Free language learning through Babbel as well as group live classes for those who want to improve their English or German
• access to learning platforms like Udemy for teams can attend conferences and, if included in their P&D goals, can attend additional training sessions.

We value our diversity and welcome everyone to our team, regardless of ethnic and social background, religious beliefs, worldview, gender, sexual orientation, physical and mental limitations, age, marital status, educational background and nationality.
With over 250 employees and 40+ different nationalities, we take our values seriously. These include; ownership, growth, integrity, collaboration, customer centricity and inclusion (4/6 of our C-Level Board members are female).