Описание
SOFTSWISS supplies iGaming software solutions. Its Data Quality Platform processes millions of checks every day, helps teams detect and investigate data issues, and provides tools to improve trust in data.
Задачи
•Design and evolve the core architecture of a high-load Data Quality platform running millions of checks per day
•Improve throughput, latency, and reliability of orchestration, scheduling, dependency resolution, retries, and mutation-driven reruns
•Profile and optimise PostgreSQL-heavy production workloads reaching approximately 4,000 RPS
•Lead the backend migration of statistics and analytical workloads from PostgreSQL to ClickHouse
•Build and evolve product features around Data Quality coverage, table lineage, incident lifecycle, and operational investigation
•Contribute to platform UI features when necessary for end-to-end product capabilities using AI-assisted development workflows
•Own the reliability and production behaviour of backend services
•Investigate incidents, diagnose performance bottlenecks, improve observability, and prevent recurrence
•Participate in a 24/7 on-call rotation
•Help scale Data Quality adoption across the company by making integrations, configuration, and check operation reliable and approachable
•Work directly with data producers, infrastructure, and business teams
•Proactively identify product, technical, and operational problems and turn them into well-scoped, production-ready improvements
Требования
•Strong Ruby and Rails skills
•Strong experience developing and operating high-load production systems
•Deep PostgreSQL expertise, including query planning and profiling, indexes, locking, transactions, concurrency, connection behaviour, and performance tuning under sustained load
•Strong SQL skills and ability to investigate complex data discrepancies across large, multi-source datasets
•Experience with asynchronous systems, including background jobs, queues, retries, idempotency, and failure recovery
•Experience designing complex backend systems from scratch and evolving them safely in production
•Hands-on production ownership covering metrics, logs, tracing, incident investigation, and performance analysis
•Strong practical use of AI-powered developer tools for navigating unfamiliar codebases, prototyping, debugging, reviewing, and delivering changes faster while critically validating results
•Product mindset and entrepreneurial ownership, including identifying opportunities, formulating solutions, validating them with users or data, and driving delivery
•Intermediate or higher English (B1+)
Nice to have: Familiarity with ClickHouse, familiarity with Delta Lake, Trino, Spark or DuckDB, experience with Debezium or another CDC implementation, Kafka, data ingestion and transformation patterns, Kubernetes, Helm, Prometheus/Grafana and production service operations, experience building side projects, launching product capabilities, or independently improving a product beyond assigned tasks.
Условия
•Private health insurance
•Sports benefits
•Comprehensive Mental Health Program
•Free English lessons online
•Local language courses
•Paid time off
•Maternity leave support
•Referral program rewards
•Upskilling, internal workshops, and participation in professional conferences and corporate events
