Hotel metasearch and booking optimization platform (acquired by trivago)
Holisto operates as a hotel metasearch and rate-comparison engine within trivago's portfolio. The tech stack reveals a data-forward organization: Snowflake, BigQuery, Redshift, and Elasticsearch support a large analytics footprint (Sisense, Tableau, Looker, Grafana), while adopting .NET 8 signals infrastructure modernization. Active projects span infrastructure scaling, customer analytics, and conversion optimization—matching pain points around payment reconciliation, data validation, and reporting efficiency that typically plague high-volume travel platforms.
Holisto aggregates hotel pricing from hundreds of booking channels and thousands of agents to surface competitive rates to travelers. Now part of trivago, the company operates a 201–500-person engineering and product organization focused on metasearch infrastructure, customer analytics, and conversion optimization. The platform processes millions of traveler queries daily and faces operational challenges around payment settlement, multi-source data validation, and financial forecasting—typical friction points in marketplaces with fragmented supply-side partners.
Holisto uses SQL, Python, .NET Core, C#, Kubernetes, and Redis for application infrastructure. Data infrastructure relies on Snowflake, BigQuery, Redshift, and Athena; analytics on Sisense, Tableau, Looker, and Grafana. iOS and Android apps, Stripe/Nuvei for payments.
Active projects include a new .NET 8 infrastructure, customer analytics platform, A/B testing optimization, conversion rate improvement, design system development, and automation of data collection processes.
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