B2B Fintech: 10× transaction throughput at 60% lower cost.

Bubble.io + Xano stack hitting plateau. Regulator required code-level traceability.

4 min readCase study

A B2B fintech processing $50M+/year was reaching Bubble + Xano throughput limits and needed code-level traceability for their regulator.

We were shopping for a rebuild vendor. We stayed for a team. They own the outcome, not just the code.
, Co-founder

What we did

Migrated Bubble + Xano to Next.js + Python/FastAPI + PostgreSQL.
Rebuilt transaction pipeline as a durable queue with observability.
Added end-to-end audit trail satisfying the regulator's requirements.
Ran parallel systems for 3 weeks before cutover.

The numbers

10× transaction throughput vs. the old stack.
60% infrastructure cost reduction.
Regulator sign-off obtained within one quarter of cutover.
Team retained on Yo! Teams for ongoing product work.

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Guide

Ready when you are

You can generate an app in an afternoon.
Owning one is a different job.

30-minute scoping call. Fixed-price plan in your inbox within 48 hours. Whichever service you need, Launch, FullCode, Codify Yo, or Teams, you're talking to the team who'll do the work.

✓ 48-hour fixed-price quotes✓ North American oversight✓ Global engineering economics

What we did

The numbers

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You can generate an app in an afternoon.Owning one is a different job.

You can generate an app in an afternoon.
Owning one is a different job.