Fig. 02 — work
Specs that shipped.
Real systems, finished to production. Every one engineered through SpecLoop, built on Lovable, owned by the client.
- Case study 01·Fintech·Shipped 2025
Nearly $50M and 700,000+ transactions on a daily sync.
Fintech payments platform
A full payments platform driven by SpecLoop. Daily reconciliation sync, ledger integrity, retry-safe webhook handling, and a multi-tenant admin. Running perfectly in production.
TanStack StartPostgres + RLSStripeDouble-entry ledger- Volume processed
- ~$50M
- Transactions
- 700k+
- Reconciliation sync
- Daily
- Case study 02·Integration·Shipped 2025
Finished in 3 weeks. A 30-developer team had spent 6 months.
Fiserv boarding API
A Fiserv merchant-boarding API integration that another team hadn't finished in six months. We specced it deeply through SpecLoop, then built it end-to-end on Lovable in three weeks — to production.
TanStack StartFiserv APIsHMAC webhooksIdempotent retries- Spec + build
- 3 weeks
- What it replaced
- 30 devs
- Their prior attempt
- 6 months
- Case study 03·Geospatial·Shipped 2025
Real-time location infrastructure, production-grade.
Live GPS / geospatial tracking
Live device tracking with realtime updates, geofencing, and an ops dashboard. Specced as a full system, shipped on Lovable, owned by the client.
TanStack StartPostgres + PostGISRealtime channels- Location updates
- Realtime
- Day-one quality
- Production
- Client-owned
- 100%
- Case study 04·Healthcare·Shipped 2026
Regulated, secure, production-grade.
HIPAA-grade health app
A HIPAA-grade health application engineered through SpecLoop. Roles, audit logs, encryption, access reviews — all specified in advance, then built to spec.
TanStack StartPostgres + RLSEncrypted storageAudit logging- Compliance scope
- HIPAA
- Logs from day one
- Audit
- By the client
- Owned
- Case study 05·AI evaluation product·Shipped 2025
An evaluation rubric AI engines actually agree with.
GeoTest
GeoTest scores how visible a brand is across AI answer engines (ChatGPT, Perplexity, Claude). We built the multi-engine evaluator, the rubric pipeline, the dashboard, and the public report generator — finished against a deep SpecLoop document.
TanStack StartSupabaseLovable AI GatewayStripe Billing- Spec to launch
- Weeks
- AI engines integrated
- 4
- Post-launch rewrites
- 0
- Case study 06·Internal tool·Shipped 2025
Replaced 14 spreadsheets with one ops console.
Lumen Bench
A logistics company was running fulfillment from spreadsheets, email, and a WhatsApp group. We specced and built a single ops console: order intake, driver assignment, live status, customer SMS, daily reports.
TanStack StartSupabase RLSTwilio SMS- Spec to staging
- Weeks
- Tools replaced
- 14 → 1
- Ops time per order
- −40%
- Case study 07·Client portal·Shipped 2025
A legal-intake portal that doesn't feel like 2008.
Northcase
A boutique law firm needed a branded intake portal: clients sign in, complete a guided questionnaire, upload documents, e-sign retainers, and pay. Replaced three SaaS subscriptions; the firm owns the code.
TanStack StartSupabaseStripeResend- Spec to handover
- Weeks
- SaaS tools replaced
- 3
- Software cost saved
- $2.4k/mo
Fig. 99 — your build
The next case study could be yours.
Tell us what you want to build. We'll write the spec in 48 hours — free — and you decide from there.