Case study

Investment Analytics Replatform

An on-premise analytics application rebuilt on serverless infrastructure to carry a million daily users, with portfolio, screening and market comparison features added during the migration.

Client type
Asset manager running a retail investor product (sample scenario)
Industry
FinTech
Duration
12 months

Sample contentSample engagement. Illustrative scenario used while the site is in build — not a named client project.

fintech2025

Investment Analytics Replatform

  • Java
  • Spring Boot
  • Vue
  • Nuxt

The legacy application could not scale past its hardware. Peak market days degraded response times, capacity planning meant buying servers months ahead, and every new feature competed with keeping the existing one upright.

A phased move to serverless AWS services with the read-heavy analytics paths migrated first, account aggregation and billing integrations rebuilt behind stable interfaces, and feature work resumed once the platform stopped being the constraint.

Growth stopped being an infrastructure conversation, and the roadmap returned to product features instead of keeping the previous platform alive.

  1. 01Traffic and query profiling to separate read-heavy analytics from transactional paths
  2. 02Read paths migrated first, behind a routing layer, with shadow comparison
  3. 03Aggregation and payment integrations isolated behind versioned internal APIs
  4. 04Load testing against historical market-event traffic, not average traffic
  5. 05Cost model built per request so scaling decisions had a price attached

Read paths first

Analytics traffic was the volume problem; transactions were the correctness problem. Migrating the read paths first delivered the scaling benefit early while leaving the risky money paths untouched until later.

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