Case Studies › Diverst
Enterprise SaaS

Making an Enterprise D&I Platform Worthy of Fortune 500 Clients

Diverst served McDonald's, Dell, and other major enterprises — but the underlying platform had grown brittle under the weight of scale. We re-architected it while keeping the product live and clients unaffected.

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D
Diverst
Enterprise SaaS
40%
performance improvement
F500
enterprise client tier
24 wks
modernisation timeline
24 weeks
timeline
This engagement is best for
SaaS companies hitting performance and scaling limits
Platforms serving enterprise clients with strict SLAs
Products needing modernisation without a full rebuild
Engineering teams overwhelmed by accumulated technical debt
The Transformation

Before & After

Before
✕ Legacy architecture struggling under enterprise-scale concurrent usage
✕ Slow page loads and API response times frustrating large clients
✕ Technical debt making new feature development slow and risky
✕ Frontend inconsistencies across different areas of the platform
✕ Database bottlenecks under heavy load from Fortune 500 client data
After
✓ Modernised architecture handling enterprise load with significant headroom
✓ 40% improvement in API response times across major endpoints
✓ Refactored codebase enabling faster and safer feature development
✓ Consistent frontend built on a reusable component system
✓ Optimised queries and indexing strategy eliminating database bottlenecks
What We Built

Deliverables & Scope

Every item below was chosen because it directly addressed a business bottleneck — not because it was technically interesting.

01
Full platform architecture review and prioritised modernisation roadmap
02
Backend API refactor and query performance optimisation
03
Frontend modernisation with reusable React component system
04
Database query optimisation and indexing strategy
05
Automated testing infrastructure to prevent regressions
06
Improved CI/CD pipeline for safer and faster deployments
ROI Logic

Why This Generated
Real Business Value

For an enterprise SaaS product, performance and reliability are not just technical metrics — they are commercial ones. Improved response times and stability directly reduced churn risk with Fortune 500 clients and gave the sales team confidence to target larger enterprise contracts.

Key Outcomes
40%
performance improvement
F500
enterprise client tier
24 wks
modernisation timeline
Why It Worked

The Decisions That
Made the Difference

Good execution matters. But the right early decisions matter more.

01
We prioritised the performance issues with the highest impact on paying enterprise clients first
02
Re-architecture was delivered incrementally to avoid any service disruption
03
Testing infrastructure caught regressions before they ever reached production
04
Close collaboration with the Diverst team ensured domain knowledge was preserved throughout
Tech Stack
Ruby on Rails React.js PostgreSQL
Integrations
SSO / SAML Slack Microsoft Teams HRIS Systems
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