HSS ProService ‘Uber-ifies’ with functional programming and agentic AI | Computer Weekly
Summary
HSS ProService has pivoted from physical rental operations to a pure-play digital marketplace that matches construction managers with a network of suppliers. The company built a headless, API-first platform using Scala and the Cats functional programming library, with Postgres, Kafka event streaming and OpenSearch powering its backend. Engineers implemented a daily self-healing finance system that recalculates contract-level revenue and supplier payments in real time, and the team is developing agentic AI to convert unstructured supplier emails (proofs of delivery, collections) into API calls. The transformation enables integration with legacy supplier systems, feeds demand signals back to suppliers, and positions HSS to expand into adjacent verticals like waste, fuel and cleaning.