@RestController
@PostMapping("/v1/holds")
Receipt reserve(ReserveCmd c) {
  return ledger.placeHold(c);
}

// provider event → outbox
void on(SignedEvent e) {
  outbox.publish(FundsPending(e));
}

@Aggregate
class PositionBook {
  void on(TradeExecuted e) {
    apply(QtyAdjusted(e));
  }
}

type ReconDiff = {
  txnId: string
  expected: Money
  observed: Money
}

$ docker compose up -d
✓ postgres  ready :5432
✓ redis     ready :6379
✓ worker    settlement-q

@EventHandler
void on(TxnSettled e) {
  statement.applySettlement(e);
}

Solution & architecture studio

Design the rails, ship the real system

We sit with founders, ops and engineering to map duties, contracts, and automation before writing code. You get a solution brief teams can explain—and a build that survives first production traffic.

Representative capabilitiesSystem framingWorkflow automationData railsIntegrationsApplied AI

— Solutions

Digital solutions, automation & data clarity

We step in when the solution needs clarity: cleaner journeys, durable automation, and tooling ops teams actually adopt.

Product & service architecture

Map journeys, data contracts, and responsibilities so every feature supports the same solution narrative

BlueprintsRoadmapsWorkshops

Operations & workflow design

Queues, approvals, and playbooks for the humans moving money or resolving support without living in spreadsheets

WorkflowsAutomationRunbooks

Experience layers when needed

Flutter, web, or embedded surfaces when clarity demands a UI—contracts stay explicit and backend-led

ProductFlutterEmbedded

Integrations & platforms

Banks, partners, SaaS, or AI services wired together with proper retries, observability, and ownership

APIsPlatformsAI

Compliance & continuity

Access models, audit trails, and failure drills so the solution survives audits and staff turnover

GovernanceSecurityReliability

Solution advisory sprints

Independent sparring on architecture choices, automation topology, or applied AI scope before you commit

AdvisoryReviewsDecisions

— Partners

Trusted by teams shipping real systems

Wealth, finance, and education teams lean on Syntax Labs when they need their solution described, automated, and safe to operate.

# Why not your team?

Share the context; we bundle architecture, automation, and owners into one brief.

Talk to Syntax Labs

Ledgity

ledgity.com

Mobile appCrypto savingsAdvisors

Ledgity Finance

ledgity.finance

DeFiRWAOps tooling

Epitech

epitech.fr

Continuing educationTech juryAdults

Expert Crypto

expert-crypto.fr

AccountingIS companiesDigital assets

— Timeline

Architectural decisions for a finished product

A four-step cadence teams follow with us: start from field notes, document the solution, build with observability, then hand over calmly.

documented flows · observable systems · named owners

Field notes

Sit with ops, support, finance. Capture constraints, data, partners, and regulators before picking tech.

Solution frame

Write journey maps, contracts, and service choreography so everyone shares the same mental model.

Ship & automate

Deliver services, orchestrations, and UI with instrumentation, alerts, and rollout notes committed alongside.

Stabilize & hand over

Run drills, polish docs, and define ownership so the next team can operate without our Slack tab.

— About

Syntax Labs is a solution architecture studio for teams that care about the finish

We work with founders and product leaders who need to tidy their architecture, automate critical flows, and keep ops in the loop.

Scopes stay compact: align on what’s broken, design the fix, build it with documentation alongside, and hand it over calmly.

Work measured by risk retired, not tickets burned

Security, data, and users reviewed in the same thread

Next teams can run it without tribal knowledge

Direct access to the people actually building

Documentation ships with the feature, not after

If it’s not a fit, we say so quickly

Clarity

Every diagram and doc answers who uses the solution, what data moves, and why.

Rigor

Prefer boring tech, explicit contracts, and tests around the riskiest flows.

Trust

Assume audits, regulators, and future teammates from day one.

// How we shape solutions

Listen→

Frame→

Design→

Prototype→

Build→

Handover

— Contact

Critical solutions start with a clear brief.

Share the audience, current tools, partners, and the parts that feel fragile. You’ll get a technical read-back plus next steps.

contact@syntax-labs.fr

Response

Replies within 24h on business days.

# Follow

Availability

Selective engagements in parallel.