{"schemaVersion":"jobsearcher.job.v1","id":"e7d7a4efd9fcd24b6eda6b85","url":"https://jobsearcher.com/jobs/e7d7a4efd9fcd24b6eda6b85","canonicalUrl":"https://jobsearcher.com/jobs/e7d7a4efd9fcd24b6eda6b85","title":"Software Engineer (Ruby) - Senior","description":"Senior Software Engineer (Ruby)SOFTSWISS is hiring a Senior Software Engineer (Ruby) to join our Data Quality Platform team. We build and own a high-load Data Quality platform used across the company. Our product runs millions of checks every day, helps teams detect and investigate data issues, and provides tools to improve trust in their data.We are looking for a senior engineer who can independently identify opportunities, shape product direction, build reliable solutions, and take ownership of their production outcomes.Purpose of the Role:Your primary focus will be core backend platform engineering: architecture, orchestration, data models, PostgreSQL performance and reliability of the DQ runtime.You will own the production behavior of the services you build and may contribute to UI features when they are needed to deliver an end-to-end product capability. Frontend and SRE specialization are not prerequisites: we use AI-assisted workflows and expect strong engineering judgement, ownership and willingness to work across the stack when needed.Key Responsibilities:Design and evolve core architecture of a high-load DQ platform running millions of checks per dayImprove throughput, latency and reliability of orchestration, scheduling, dependency resolution, retries and mutation-driven rerunsProfile and optimize PostgreSQL-heavy production workloads; the platform's PostgreSQL workload reaches approximately 4,000 RPSLead backend migration of statistics and analytical workloads from PostgreSQL to ClickHouseBuild and evolve product features around DQ coverage, table lineage, incident lifecycle and operational investigationContribute to platform UI features when they are necessary to deliver an end-to-end product capability, using AI-assisted development workflowsOwn reliability and production behavior of backend services: investigate incidents, diagnose performance bottlenecks, improve observability and prevent recurrenceParticipate in a 24/7 on-call rotationHelp scale DQ adoption across the company by making integrations, configuration and operation of checks reliable and approachableWork directly with data producers, infrastructure and business teamsProactively identify product, technical and operational problems; turn them into well-scoped, production-ready improvementsRequired Experience:Strong Ruby and Rails skillsStrong experience developing and operating high-load production systemsDeep PostgreSQL expertise: query planning and profiling, indexes, locking, transactions, concurrency, connection behavior and performance tuning under sustained loadStrong SQL skills and ability to investigate complex data discrepancies across large, multi-source datasetsExperience with asynchronous systems: background jobs, queues, retries, idempotency and failure recoveryExperience designing complex backend systems from scratch and evolving them safely in productionHands-on production ownership: metrics, logs, tracing, incident investigation and performance analysisStrong practical use of AI-powered developer tools: navigating unfamiliar codebases, prototyping, debugging, reviewing and delivering changes faster, while critically validating the resultProduct mindset and entrepreneurial ownership: ability to see an opportunity, formulate a solution, validate it with users or data, and drive it through deliveryIntermediate or higher English (B1+)Nice to Have:Familiarity with ClickHouseFamiliarity with Delta Lake, Trino, Spark or DuckDBExperience with Debezium (or any other CDC implementation), Kafka, data ingestion & transformation patternsExperience with Kubernetes, Helm, Prometheus/Grafana and production service operationsExperience building side projects, launching product capabilities, or independently improving a product beyond assigned tasksOur Benefits:Private health insuranceSports benefitsComprehensive Mental Health ProgramFree English lessons (online)Local language coursesPaid time offMaternity leave supportReferral program rewardsUpskilling, internal workshops, and participation in professional conferences and corporate events","company":"Softswiss","rawCompany":"softswiss","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-10-15T12:49:56.018Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1243.01","title":"Data Warehousing Specialists","slug":"data-warehousing-specialists"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Software Engineer (Ruby) - Senior","description":"Senior Software Engineer (Ruby)SOFTSWISS is hiring a Senior Software Engineer (Ruby) to join our Data Quality Platform team. We build and own a high-load Data Quality platform used across the company. Our product runs millions of checks every day, helps teams detect and investigate data issues, and provides tools to improve trust in their data.We are looking for a senior engineer who can independently identify opportunities, shape product direction, build reliable solutions, and take ownership of their production outcomes.Purpose of the Role:Your primary focus will be core backend platform engineering: architecture, orchestration, data models, PostgreSQL performance and reliability of the DQ runtime.You will own the production behavior of the services you build and may contribute to UI features when they are needed to deliver an end-to-end product capability. Frontend and SRE specialization are not prerequisites: we use AI-assisted workflows and expect strong engineering judgement, ownership and willingness to work across the stack when needed.Key Responsibilities:Design and evolve core architecture of a high-load DQ platform running millions of checks per dayImprove throughput, latency and reliability of orchestration, scheduling, dependency resolution, retries and mutation-driven rerunsProfile and optimize PostgreSQL-heavy production workloads; the platform's PostgreSQL workload reaches approximately 4,000 RPSLead backend migration of statistics and analytical workloads from PostgreSQL to ClickHouseBuild and evolve product features around DQ coverage, table lineage, incident lifecycle and operational investigationContribute to platform UI features when they are necessary to deliver an end-to-end product capability, using AI-assisted development workflowsOwn reliability and production behavior of backend services: investigate incidents, diagnose performance bottlenecks, improve observability and prevent recurrenceParticipate in a 24/7 on-call rotationHelp scale DQ adoption across the company by making integrations, configuration and operation of checks reliable and approachableWork directly with data producers, infrastructure and business teamsProactively identify product, technical and operational problems; turn them into well-scoped, production-ready improvementsRequired Experience:Strong Ruby and Rails skillsStrong experience developing and operating high-load production systemsDeep PostgreSQL expertise: query planning and profiling, indexes, locking, transactions, concurrency, connection behavior and performance tuning under sustained loadStrong SQL skills and ability to investigate complex data discrepancies across large, multi-source datasetsExperience with asynchronous systems: background jobs, queues, retries, idempotency and failure recoveryExperience designing complex backend systems from scratch and evolving them safely in productionHands-on production ownership: metrics, logs, tracing, incident investigation and performance analysisStrong practical use of AI-powered developer tools: navigating unfamiliar codebases, prototyping, debugging, reviewing and delivering changes faster, while critically validating the resultProduct mindset and entrepreneurial ownership: ability to see an opportunity, formulate a solution, validate it with users or data, and drive it through deliveryIntermediate or higher English (B1+)Nice to Have:Familiarity with ClickHouseFamiliarity with Delta Lake, Trino, Spark or DuckDBExperience with Debezium (or any other CDC implementation), Kafka, data ingestion & transformation patternsExperience with Kubernetes, Helm, Prometheus/Grafana and production service operationsExperience building side projects, launching product capabilities, or independently improving a product beyond assigned tasksOur Benefits:Private health insuranceSports benefitsComprehensive Mental Health ProgramFree English lessons (online)Local language coursesPaid time offMaternity leave supportReferral program rewardsUpskilling, internal workshops, and participation in professional conferences and corporate events","datePosted":"2026-10-15T12:49:56.018Z","dateModified":"2026-10-15T12:49:56.018Z","hiringOrganization":{"@type":"Organization","name":"Softswiss","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"e7d7a4efd9fcd24b6eda6b85"},"url":"https://jobsearcher.com/jobs/e7d7a4efd9fcd24b6eda6b85"}}