Senior Database Developer
3 ore fa
Ruby Labs is a leading tech company that creates and operates innovative consumer products. We are looking for a strong Database Engineer who will own, scale, and evolve our data infrastructure, ensuring it remains fast, reliable, and ready for long‐term growth.
As a Database Engineer at RubyLabs, you will be responsible for designing, operating, and optimizing databases in a high‐volume payments environment. This role goes far beyond basic CRUD operations— you will work with large datasets, complex queries, performance bottlenecks, migrations on massive tables, and analytics pipelines.
You will collaborate closely with backend engineers and product teams to ensure our data layer supports both transactional workloads and analytical use cases, including internal CRM search and observability.
You will be joining a high‐talent, fully remote engineering organization with strong backend, infrastructure, and product teams. Engineers at RubyLabs work on real scale, real money, and real impact.
Database Ownership & Scalability Own and operate AWS Aurora (PostgreSQL) in a high‐load production environment
Table partitioning strategies (time‐based, tenant‐based, hybrid)
Query optimization and execution‐plan tuning
Handle databases with millions of new records per month while maintaining predictable performance
Proactively prevent performance regressions as data volume grows
Design high‐performance search solutions for large operational datasets used in internal CRM tools
Work with event and log data pipelines, including Tinybird / ClickHouse‐based analytics
Decide which data belongs in transactional databases vs analytical stores
Enable fast, real‐time insights for product, finance, and operations teams
Reliability & Operations
Ensure data integrity and consistency in financial workflows
Define and monitor database health metrics (latency, replication lag, storage, IOPS)
Plan and execute safe schema changes and migrations on large tables
Participate in incident analysis related to data performance or availability
Experience managing large databases (hundreds of millions of rows or more)
Experience working with AWS‐based infrastructure, ideally AWS Aurora
Experience in payments, billing, fintech, or financial systems
Familiarity with analytical databases (ClickHouse, Tinybird, or similar)
Experience designing data models for multi‐tenant systems
Understanding of event‐driven architectures and data pipelines
AWS certifications (e.g., Solutions Architect, Database Specialty)
You communicate clearly and collaborate effectively in a remote environment
Ruby Labs operates within the CET (Central European Time) zone. Remote Work Environment: Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge.
Flexible Independent Contractor Agreement: Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here:
Life at Ruby Labs
At Ruby Labs, we move fast, aim high, and expect the same from our team. If you're hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen.
Here, effort is matched with reward.
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