Senior Data Infrastructure Engineer

Deine Mission

At Ratepay, we are dedicated to revolutionizing the world of digital payments. Established in 2009, we have grown to become Europe's leading white-label Buy Now Pay Later payment provider, processing over 2.5 million transactions per month. Our diverse team of 200+ professionals collaborates to create customized, state-of-the-art payment solutions for major online retailers and marketplaces.    
Ratepay is seeking an experienced Data Infrastructure Engineer with a strong background in cloud-based database systems, including PostgreSQL, DocumentDB, ElastiCache, and automation with Terraform and Python. In this role, you will ensure the reliability, scalability, and performance of our data infrastructure as platform usage grows, while standardizing backups, supporting schema changes, optimizing performance, maintaining Terraform modules, maintain and migrating Airflow, as well as expanding expertise in Microsoft SQL Server. 
  
Your Key Responsibilities: 

• Operate, maintain, and enhance PostgreSQL, DocumentDB, and ElastiCache in AWS.
• Support automation of database provisioning and configuration using Terraform and Python.
• Create, manage and maintain the terrraform modules for data infrastructure related component.
• Manage and maintain Apache Airflow.
• Monitor, troubleshoot, and improve database performance.
• Own backup and recovery strategies and manage production upgrades.
• Collaborate with product teams on schema design, queries, and data migrations.
• Participate in on-call rotations and incident response.
• Document operational procedures and train internal stakeholders.
• Learn and support Microsoft SQL Server to widen internal capability.

Das bringst Du mit

Must-have skills: 

• PostgreSQL (Deep technical ownership and performance tuning of critical database workloads)
• DocumentDB, ElastiCache (Operate, maintain, and enhance in AWS) 
• AWS (Operate cloud-native databases with security, HA, and observability) 
• Terraform (Automate infrastructure deployment and ensure reproducibility) 
• Python (Scripting for automation, monitoring, and dev tooling) 
• Monitoring (e.g. CloudWatch,Datadog for proactive performance tuning and incident alerting)
• On-call experience (Operate in a 24/7 support model with reliability focus)

Nice-to-have skills: 

• Microsoft SQL Server (Grow support capabilities for Windows-based workloads) 
• CI/CD for DB changes (Improve deployment velocity and safety)

Due to our hybrid work model, we are looking for candidates based in or near Berlin. Unfortunately, we are currently unable to support visa or relocation processes 

Darauf kannst Du Dich bei uns freuen

We're more than just a workplace – we're a vibrant community of innovators, collaborators, and visionaries who love what we do and reward those who work with us. Here, your career isn't just a job. It's an opportunity to thrive, learn, and make a difference. Take a look at these great personalised benefits of working at Ratepay. On a monthly basis, you can choose between mobility, fitness, food, training and much more. 

• Flexible working hours.
• Work remotely (EU for up to 4 weeks a year).
• 28 vacation days per annum.
• Financial security including Pension plan 
• Medical extras (Eye examination etc.)
• Monthly lunches.
• Learning and development (Access to various self-development platforms such as language learning and skills enhancement.
• Health & wellbeing.
• Gym memberships and fitness.
• Ratepaw community: Our office has a floor which is dog-friendly. So, bring your pawsome pet to work when needed.

Chancengleichheit & Vielfalt

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 200 employees and 40 different nationalities, we take our values seriously. These include ownership, growth, integrity, collaboration, customer centricity and inclusion.