01 / included
Customer flow
The complete onboarding, review, reconciliation, or payment path with explicit loading, exception, denial, and recovery states.
Fintech feature sprint / one founder-led slot
Ship the workflow your customer, bank, or compliance team is waiting on.
One revenue- or compliance-blocking feature in 10 working days: customer flow, operations console, audit trail, tests, rollback, and release evidence.
Your compliance owner defines the rules. I own the implementation.
1 founding-rate sprint remainsacross the build practice, confirmed manually.
Transaction case
case_1849 / release rc-08
In-house example · synthetic data
State 01: Verified
Evidence clears the customer-defined checks.
A beneficiary update enters the normal review path and the case remains eligible for release.
Recorded event
KYB evidence received
- Reason
- Ownership record matches the policy inputs configured for this workflow.
- Actor
- rules_engine
- Timestamp
- 09:41:22 UTC
- Transition
- submitted -> verified
- Result
- Case stays in the standard processing queue.
Fintech product development
What is a fintech product development sprint?
A fintech product development sprint is a fixed-scope engagement that ships one production customer or operations workflow with the controls needed to handle money, exceptions, and audit questions safely.
In this 10-working-day sprint, the customer owns policy and approvals while implementation covers the customer flow, operations surface, audit trail, authorization, tests, rollback, release evidence, and handoff for one bounded feature.
Review Omid Ahourai's background and public work on GitHub.
- 01
Onboarding and manual review
Connect a customer path to a bounded operations queue with reason codes, ownership, and recovery states.
- 02
Payments and reconciliation
Ship one money-movement workflow with duplicate-event handling, inspectable state, tests, and rollback.
- 03
Compliance-ready release evidence
Implement customer-owned policy with an audit trail, acceptance checks, sign-off evidence, and operating notes.
The base offer
The controls are part of the feature, not security add-ons.
The release is useful only when customers can complete the path, operators can handle exceptions, and the team can explain and reverse a bad transition.
02 / included
Operations surface
A bounded queue with reason codes, permitted actions, ownership, and the context needed to resolve the scoped exception.
03 / included
Audit trail
Actor, time, reason, source event, and before/after state for the transitions the customer policy requires.
04 / included
Tests and rollback
Normal, exception, retry, authorization, and state-integrity checks plus a rehearsed path back to the prior release.
05 / included
Release evidence
Acceptance results, deployment reference, known limits, owner sign-off, runbook, and production handoff in one dossier.
Where revenue leaks
One missing workflow creates work in three teams.
The sprint is for a product decision that is already made, while customer, operator, and release behavior still need senior implementation.
Onboarding
A processor or bank dependency is ready, but the customer flow is not.
The integration exists in pieces while retry behavior, review ownership, and customer recovery remain undefined.
Manual review
Exception volume is growing faster than the operations team.
Cases arrive without a bounded queue, reliable reason codes, or an inspectable action and history.
Reconciliation
Money moved, but the product cannot explain the state.
Duplicate events, stale state, and hand-edited reports hide the exact transition that needs engineering attention.
Release window
Product, operations, and compliance need the same evidence.
A high-risk change has no shared acceptance criterion, rollback trigger, or release packet for sign-off.
Signed release dossier
One release candidate, five inspectable artifacts.
Each view names the owner and exit check. The example is synthetic and demonstrates the delivery method, not a client outcome or compliance certification.
Release dossier / rc-08
In-house example · illustrative artifacts
Operate
A bounded queue, not a database-shaped admin screen.
The operations surface exposes the reason, current state, permitted action, and complete case history where the work happens.
- Acceptance owner
- Customer operations lead
- Exit check
- A trained operator can resolve the agreed exception path in staging.
Included evidence
- Exception queue with explicit state labels
- Permission-aware review and rollback controls
- Empty, loading, denied, and retry states
Boundary
Evidence demonstrates implementation quality. It does not certify regulatory compliance or replace customer legal review.
The 10-day process
A short build with explicit policy ownership.
The customer owns rules and sign-off. I own the scoped product implementation, test evidence, release path, and direct handoff.
Before day 01
Define the policy boundary
The customer compliance owner supplies the written rules and sign-off criteria. Scope, synthetic or redacted data, sandbox credentials, staging, and one decision-maker are ready.
Days 01-02
Reproduce the operational leak
Trace the current customer and operator path, name the acceptance criterion, and write the first failing state or contract check.
Days 03-05
Deliver the vertical slice
Wire the customer flow, operations action, and event history through staging. Review the real path and redacted evidence on day 5.
Days 06-08
Harden exceptions and rollback
Add authorization, retries, duplicate-event handling, audit context, regression coverage, and the agreed rollback path.
Days 09-10
Release with evidence
Run customer-owner UAT, rehearse rollback, deploy through the existing release process, and transfer the dossier and operating notes.
Risk boundary
High-trust work needs a sharper no.
The scope stays in product and operational implementation. Policy, licensing, custody, and legal determinations remain with the customer and its advisers.
Strong fit
- A founder-led fintech, regtech, insurtech, or stablecoin team with a live product or pilot.
- One integration, review queue, reconciliation path, report, or payment workflow blocks revenue or operations.
- A named product decision-maker and compliance owner can define and approve the rules.
- Staging, sandbox credentials, and synthetic or redacted fixtures can be ready before day one.
- The feature has a measurable outcome such as reduced manual touches, wait time, or abandonment.
Not this sprint
- Custody, a core ledger, regulatory interpretation, licensing, or legal advice.
- A request for the implementer to invent or approve customer compliance policy.
- A broad platform migration, processor replacement, or undefined operations rewrite.
- Production-only sensitive data when synthetic or redacted fixtures cannot be provided.
- Vendor, bank, or internal approvals that cannot be available inside the delivery window.
Transparent reservation
Reserve the price. Then confirm fit and a start window.
No public calendar and no surprise kickoff invoice. The exact 10% deposit is credited, with the refund and balance boundaries visible before Checkout.
Standard rate $32,000
$24,000
Founding rate for the single manually confirmed slot.
$2,400 deposit todayCredited in full toward the displayed sprint price.
The deposit reserves the price, not a start date.
Verified payment unlocks a private fit and start-window call. Two start options are offered within 60 days when the sprint is a fit.
Clear refund boundary.
Refunded if I decline fit, cannot offer two start dates within 60 days, or you cancel before accepting a date. It becomes non-refundable after written SOW and date acceptance.
Balance follows delivery milestones.
Another 40% is due before work begins; the final 50% is due at production handoff. Applicable taxes are disclosed before the SOW.
Deposit terms version 2026-07-18. Secure checkout is handled by Stripe.
Straight answers
Operational FAQ
Scope, payment, access, and ownership before either of us commits.
What counts as one fintech feature?
One end-to-end customer or operator behavior with a written acceptance criterion. It may include the UI, API, integration, operations action, audit events, tests, rollback, and release evidence required for that behavior. A ledger, compliance program, or platform is not one feature.
Do you define compliance policy?
No. Your named compliance owner defines the policy, required evidence, retention boundary, and sign-off. I translate the agreed rules into production behavior and release evidence. The sprint demonstrates implementation quality; it is not legal advice or a compliance certification.
How is sensitive data handled?
The sprint is scoped around sandbox systems and synthetic or redacted fixtures whenever possible. Access is limited to what the agreed feature requires. Data handling, credentials, retention, and production access are written into the SOW before work begins.
Does the $2,400 deposit guarantee a start date?
No. It reserves the displayed $24,000 founding price and unlocks the private fit and start-window call after payment verification. If the sprint is a fit, two start options are offered within 60 days.
What happens if the fit or capacity is not there?
The deposit is refunded if I decline fit, cannot offer two start dates within 60 days, or you cancel before accepting the SOW and date. It becomes non-refundable only after written acceptance because capacity is then reserved.
What does the team own after day 10?
Your company owns the delivered code. The handoff includes the agreed tests, audit/event contract, rollback procedure, release evidence, known limits, and a 14-day defect warranty against the acceptance criterion.
Low-commitment path
Send the workflow that is leaking time or revenue.
Name the customer path, exception volume, deadline, and policy owner. You will get a written fit response, not a generic sales sequence.
A qualified inquiry receives a written fit response and the same deposit path. Scheduling stays private until payment is verified.
Adjacent sprints
Same operating model, different risk surface.
commerce / 10 working days
Commerce Product Sprint
Ship one checkout, marketplace, payment, order, or post-purchase workflow with transaction-state evidence.
ai / 10 working days
AI Product Sprint
Turn one customer-blocking AI prototype into an evaluated, observable production feature.
onchain / 10 working days
Agentic Onchain Sprint
Ship one production wallet, payment, contract, or agent feature with explicit safety boundaries.