InApps Technology
Enterprise HRM Platform hero

HR Technology & SaaS

Enterprise HRM Platform

Cloud-based HR management platform for a UK-based SaaS company, employee onboarding workflows, engagement surveys, performance management, and multi-tenant architecture serving 120+ enterprise clients.

120+
Enterprise clients
−65%
Average onboarding time saved
12
HRIS integrations shipped
+180%
Team velocity increase
1

The Challenge

A London-based HR SaaS startup had built a successful onboarding tool for SMBs but was losing enterprise deals to Workday and BambooHR due to missing features: custom workflow automation, HRIS integrations (SAP, Workday), and multi-tenant scalability. They had a 5-person engineering team that could not build fast enough. They needed a capable ODC partner aligned to UK business hours.

2

Our Solution

InApps stood up an 8-person dedicated ODC team (3 full-stack engineers, 1 React frontend specialist, 2 Node.js backend engineers, 1 DevOps with SaaS/multi-tenancy expertise, 1 QA). Key deliverables: a visual no-code workflow builder (React Flow-based) for HR teams to design custom onboarding journeys without engineering; HRIS integrations with SAP SuccessFactors, Workday, and BambooHR via REST and SFTP; a multi-tenant data isolation architecture with tenant-level customisation; engagement NPS survey engine with analytics dashboards.

3

The Results

120+
Enterprise clients
−65%
Average onboarding time saved
12
HRIS integrations shipped
+180%
Team velocity increase

Project Details

Team Size

8 engineers

Duration

18 months (ongoing ODC)

Industry

HR Technology & SaaS

Tech Stack

ReactReact FlowNode.jsTypeScriptPostgreSQLRedisAWSSAP SuccessFactors APIWorkday APIStripe

Tags

HRMSaaSEnterpriseNode.jsMulti-tenant

We went from losing enterprise deals to winning them. The InApps team understood B2B SaaS architecture deeply and worked as true partners, not just code writers. Our engineering velocity tripled.

Head of Product

Enterprise HRM Platform, London

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