PpbAbout Us /b /p pRuby 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: /p pbAbout The Role /b /p pWe 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. /p pAs 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. /p pYou 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. /p pYou 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. /p h3Key Responsibilities /h3 h3Database Ownership Scalability /h3 ul liOwn and operate AWS Aurora (PostgreSQL) in a high‑load production environment /li liDesign and evolve schemas for large transactional domains (payments, customers, subscriptions, events) /li liImplement and maintain: ul liTable partitioning strategies (time‑based, tenant‑based, hybrid) /li liAdvanced indexing (B‑Tree, GIN, partial indexes) /li liQuery optimization and execution‑plan tuning /li /ul /li liHandle databases with millions of new records per month while maintaining predictable performance /li /ul h3Performance Optimization /h3 ul liAnalyze and optimize slow queries and production metrics /li liIdentify and resolve: ul liLock contention /li liVacuum / autovacuum issues /li liConnection pool saturation /li liLong‑running or inefficient queries /li /ul /li liProactively prevent performance regressions as data volume grows /li /ul h3Search Internal Tools /h3 ul liDesign high‑performance search solutions for large operational datasets used in internal CRM tools /li liImplement efficient search strategies /li liBalance flexibility, correctness, and performance at scale /li /ul h3Analytics Logging /h3 ul liWork with event and log data pipelines, including Tinybird / ClickHouse‑based analytics /li liDecide which data belongs in transactional databases vs analytical stores /li liEnable fast, real‑time insights for product, finance, and operations teams /li /ul h3Reliability Operations /h3 ul liEnsure data integrity and consistency in financial workflows /li liDefine and monitor database health metrics (latency, replication lag, storage, IOPS) /li liPlan and execute safe schema changes and migrations on large tables /li liParticipate in incident analysis related to data performance or availability /li liWork in backups, replication, and disaster‑recovery strategies /li /ul h3Qualifications /h3 ul liStrong hands‑on experience with PostgreSQL in production /li liExperience managing large databases (hundreds of millions of rows or more) /li liSolid understanding of: ul liIndexing strategies /li liQuery planners and execution paths /li liTransactions, isolation levels, and locking /li /ul /li liExperience working with AWS‑based infrastructure, ideally AWS Aurora /li liAbility to independently investigate and resolve complex performance issues /li /ul h3Nice to have /h3 ul liExperience in payments, billing, fintech, or financial systems /li liFamiliarity with analytical databases (ClickHouse, Tinybird, or similar) /li liExperience designing data models for multi‑tenant systems /li liUnderstanding of event‑driven architectures and data pipelines /li liAWS certifications (e.g., Solutions Architect, Database Specialty) /li /ul h3How You Think Work /h3 ul liYou think in terms of scale, growth, and long‑term impact /li liYou care deeply about correctness, performance, and reliability /li liYou’re proactive—you identify problems before they become incidents /li liYou’re comfortable owning critical infrastructure components /li liYou communicate clearly and collaborate effectively in a remote environment /li /ul h3Location /h3 pRuby 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. /p h3Benefits /h3 ul liRemote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work‑life balance. /li liUnlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well‑being, without counting days. /li liPaid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. /li liCompany‑provided MacBook: Experience seamless productivity with top‑notch Apple MacBooks provided to all employees who need them. /li liFlexible Independent Contractor Agreement: 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: /li /ul h3Interview Process /h3 ul liRecruiter Screening (40 minutes) /li liTechnical Interview (60 minutes) /li liFinal Interview (30 minutes) /li /ul h3Life at Ruby Labs /h3 pAt 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. means we look for people who are ambitious, driven, and ready to give their best every single day. /p pThis 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. /p pHere, 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. /p /p #J-18808-Ljbffr