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

Welcome to RatePay – Europe's No. 1 white-label payment provider 

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, SW Engineers, Data Scientists, Data Engineers, ML Engineers and Product Managers closely collaborate in the Risk-engineering tribe to continuously enhance our risk management capabilities. How? 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.

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.

You would be one of the main contributors to implementing, operating, growing and improving 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 catalogs and automated feature generation with the goal to enable reliable ML delivery solutions at scale.

Furthermore, you partner closely with ML engineers, data scientists, analysts, software engineers and researchers to build reliable, distributed data pipelines and intuitive data products that feed into machine learning models, analytics & research, thereby allowing our stakeholders to easily leverage data in a self-serve manner.

Your Focus:

Data pipelines, features stores, feature generation + cloud

• Together with a diverse, cross-functional team of Engineers and Data Scientists, you bring our Risk Decision Platform to the next level
• You build and own significant parts of our data engineering framework of our new to-be-built Machine Learning Platform by finding ways to create and improve scalable, efficient and well-tested solutions.
• You bring your improvement and automation ideas to life, shaping the future of data engineering at Ratepay

• 8+ years of experience as a Data Engineer in the context of an ML platform
• Expertise in building scalable data engineering capabilities on all levels (technology, implementation, usage)
• An expert in ETL/ELT implementation and automation, relational databases (e.g. Postgres) and stream processing (e.g. Kafka, Spark, Flink, Amazon Kinesis, Azure Stream Analytics or Google Cloud Dataflow.)
• Experience in understanding complex data models and designing them yourself, knowing how to deal with common ML problems and tools
• Strong coding and design skills with an architectural mindset, building and delivering working software through an iterative, agile process.
• Expert knowledge of Python and have already worked with Pandas and/or NumPy
• Expert in SQL and have a good understanding of PLSQL 
• Good understanding of feature stores and have used it in several projects
• Your experience with data lake concepts and data engineering with cloud technologies (AWS, Snowflake, Databricks, etc.) would be a nice add-on
• 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

Why work at Ratepay ​

• 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 (4/7 of our C-Level Board members are female).