ph3bAbout us /b /h3pRuby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: /ph3bAbout the role /b /h3pWe are building a high-scale payment orchestration system that processes millions of financial transactions every month across multiple payment providers, regions, and products. /ppOur platform operates at the intersection of payments, billing, subscriptions, analytics, and internal CRM tooling, where data correctness, performance, and reliability are mission-critical. As our transaction volume and customer base continue to grow rapidly, our database layer has become one of the most important parts of the system. /ppWe are looking for a bstrong Database Engineer /b who will own, scale, and evolve our data infrastructure, ensuring it remains fast, reliable, and ready for long-term growth. /ppYou will be joining a high-talent, fully remote engineering organization with strong backend, infrastructure, and product teams. We value ownership, technical excellence, and pragmatic decision-making. Engineers at RubyLabs work on real scale, real money, and real impact. /ppAs a bDatabase Engineer /b 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. /ppYou 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. /ph3bKey Responsibilities /b /h3pbDatabase Ownership Scalability /b /pullipOwn and operate bAWS Aurora /b(PostgreSQL) in a high-load production environment /p /lilipDesign and evolve schemas for large transactional domains (payments, customers, subscriptions, events) /p /lilipImplement and maintain: /pullipTable partitioning strategies (time-based, tenant-based, hybrid) /p /lilipAdvanced indexing (B-Tree, GIN, partial indexes)



/p /lilipQuery optimization and execution-plan tuning /p /li /ul /lilipHandle databases with millions of new records per month while maintaining predictable performance /p /li /ulpbPerformance Optimization /b /pullipAnalyze and optimize slow queries and production metrics /p /lilipIdentify and resolve: /pullipLock contention /p /lilipVacuum / autovacuum issues /p /lilipConnection pool saturation /p /lilipLong-running or inefficient queries /p /li /ul /lilipProactively prevent performance regressions as data volume grows /p /li /ulpbSearch Internal Tools /b /pullipDesign high-performance search solutions for large operational datasets used in internal CRM tools /p /lilipImplement efficient search strategies /p /lilipBalance flexibility, correctness, and performance at scale /p /li /ulpbAnalytics Logging /b /pullipWork with event and log data pipelines, including bTinybird / ClickHouse /b-based analytics /p /lilipDecide which data belongs in transactional databases vs analytical stores /p /lilipEnable fast, real-time insights for product, finance, and operations teams /p /li /ulpbReliability Operations /b /pullipEnsure data integrity and consistency in financial workflows /p /lilipDefine and monitor database health metrics (latency, replication lag, storage, IOPS) /p /lilipPlan and execute safe schema changes and migrations on large tables /p /lilipParticipate in incident analysis related to data performance or availability /p /lilipWork in backups, replication, and disaster-recovery strategies /p /li /ulh3bQualifications /b /h3ullipStrong hands-on experience with bPostgreSQL /b in production /p /lilipExperience managing blarge databases /b (hundreds of millions of rows or more) /p /lilipSolid understanding of: /pullipIndexing strategies /p /lilipQuery planners and execution paths /p /lilipTransactions, isolation levels, and locking /p /li /ul /lilipExperience working with AWS-based infrastructure, ideallyb AWS Aurora /b /p /lilipAbility to independently investigate and resolve complex performance issues /p /li /ulpbStrong Plus /b /pullipbExperience in payments, billing, fintech, or financial systems /b /p /lilipFamiliarity with analytical databases (ClickHouse, Tinybird, or similar) /p /lilipFamiliarity with bOpenSearch /b or similar, including data ingestion from PostgreSQL /p /lilipExperience designing data models for multi-tenant systems /p /lilipUnderstanding of event-driven architectures and data pipelines /p /lilipAWS certifications (e.g.,



Solutions Architect, Database Specialty) /p /li /ulh3bLocation /b /h3pRuby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. /ph3bBenefits /b /h3pDiscover the perks of being part of our vibrant team! We offer: /pullipbRemote Work Environment: /b Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. /p /lilipbUnlimited PTO: /b Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. /p /lilipbPaid National Holidays: /b Celebrate and relax on national holidays with paid time off to unwind and recharge. /p /lilipbCompany-provided MacBook: /b Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. /p /lilipbFlexible Independent Contractor Agreement: /b Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: /p /li /ulpBe part of our fast-growing team and seize this excellent opportunity for personal and professional growth! /ph3bInterview Process /b /h3pAfter submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: /pullipRecruiter Screening (40 minutes) /p /lilipTechnical Interview (60 minutes) /p /lilipFinal Interview (60 minutes) /p /li /ulh3bLife at Ruby Labs /b /h3pAt Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day. /ppThis is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. 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. /ppHere, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success. /pp#LI-Remote /p /p #J-18808-Ljbffr

📌 Database Engineer (PostgreSQL) (España)
🏢 Ruby Labs
📍 España