SUMMON

Case Studies

A few examples of how we compress ambiguity, lock clarity, and ship production-grade work in weekly increments.

B2B SaaS (Series A)
Requirements → tickets → weekly delivery
A product team with paying customers, a roadmap, and a growing backlog. Delivery was slowed by unclear requirements and repeated scope churn.
Problem

Ambiguous requirements and slow iteration cycles made delivery unpredictable.

Constraints
  • Multiple stakeholders, unclear decision ownership
  • Existing auth/roles complexity
  • Weekly shipping expectations from customers
Results
Time-to-clarity
0–0 days
Rework reduced
~0%
Delivery cadence
Weekly
Approach
  • Rapid Spec Sprint: acceptance criteria + edge cases
  • Phased delivery plan with weekly demos
  • Hardened auth/roles + admin tooling
Takeaways
  • Stakeholders aligned on scope in days
  • Less rework from clearer interfaces
  • Steady weekly throughput
Next.jsTypeScriptPostgres
Ops-heavy marketplace
Integrations without fire drills
Webhook-driven workflows connected multiple third-party systems. Failures were hard to debug and created manual ops work.
Problem

Webhook-driven workflows were brittle: missed events, retries that duplicated work, and low visibility.

Constraints
  • High event volume with occasional provider duplication
  • Must avoid double-processing and money-moving errors
  • Limited observability in existing workflow
Results
Failed workflows
0% → <0%
MTTR
0hrs → 0min
Duplicate handling
Idempotent
Approach
  • Idempotent event handling + durable retries
  • Queue + backoff patterns
  • Instrumentation for traceability
Takeaways
  • Fewer broken workflows
  • Clearer debugging + support
  • Reliable integration foundation
NodeWebhooksQueues
Legacy internal tooling
Modernization without a rewrite
A critical internal app was slowing the team down, but a rewrite wasn’t feasible. Changes carried risk and performance was inconsistent.
Problem

Slow builds, inconsistent patterns, and a growing backlog of “fear to touch” areas.

Constraints
  • Must keep shipping features during cleanup
  • Large surface area with limited test coverage
  • Avoid breaking existing user flows
Results
Build time
0min → 0s
Core Web Vitals
All green
Release confidence
Up
Approach
  • Incremental refactors behind feature flags
  • Performance + accessibility improvements
  • CI hardening and test strategy
Takeaways
  • Lower risk of change
  • Better maintainability
  • Faster iteration
Next.jsCITesting
Consumer subscription startup
Startup Rescue: churn → modern rebuild → $1M+ ARR
The product was stagnating, churn was climbing, and the legacy app had become hard to change safely. The team needed a credible v2 quickly—without pausing growth work for months.
Problem

High churn and slow iteration: product changes took too long, reliability issues impacted trust, and the existing architecture blocked new feature development.

Constraints
  • Existing paying users and data had to migrate safely
  • No appetite for a multi-quarter rewrite with uncertain ROI
  • Small team; needed senior execution and fast decisions
Results
Revenue
$0M+ ARR
Time-to-v2
0 weeks
Churn
0% → 0%
Approach
  • Rapid Spec Sprint to define v2 scope, flows, and acceptance criteria
  • Incremental rebuild with clear cutover milestones (no big-bang launch)
  • Stabilized auth/billing + improved onboarding and retention flows
  • Instrumentation for funnels and churn drivers to guide iterations
Takeaways
  • Shipped a modern v2 without losing existing customers
  • Unlocked faster iteration and more reliable releases
  • Converted product momentum into measurable revenue growth
Next.jsTypeScriptStripePostgres

Want speed without chaos?

If your project is blocked by unclear requirements or slow delivery, we can get you to a build-ready spec fast—and then ship in predictable weekly increments.