Precision meets craft

Impact-driven fintech consulting. We craft elegant, reliable systems in Clojure & TypeScript.

Our Services

Boutique engineering for regulated, high-trust domains

Clojure Engineering

High-reliability backends, data pipelines, REPL-driven delivery.

TypeScript Platforms

Modern web apps, API design, typed integrations.

Fintech Architecture

Ledger design, payments, reconciliation, auditability.

Cloud & Reliability

GCP/AWS, observability, performance, SLOs.

Extend Your Team

Scale your engineering capacity with expertise you can trust

Staff Augmentation

Embedded Clojure and TypeScript engineers who integrate seamlessly with your team. We bring deep expertise in functional programming, event-driven systems, and fintech domains.

  • Senior engineers with 5+ years experience
  • Flexible engagement models
  • Knowledge transfer included
  • Timezone-compatible availability

Strategic Consulting

Technical advisory for architecture decisions, performance optimization, and regulatory compliance. We help you navigate complex technical challenges with clarity and confidence.

  • Architecture review and design
  • Performance audits
  • Regulatory compliance advisory
  • Technology stack evaluation

Our Approach

A methodical process that delivers measurable results

01

Discover

Frame the problem, quantify value, agree success metrics.

02

Design

Functional architecture, typed contracts, secure by default.

03

Deliver

Iterative sprints, benchmarks, clear reporting, knowledge transfer.

Outcomes that compound

We measure what matters and publish it

−35%

Transaction latency

99.95%

Monthly availability

+48%

Deployment frequency

<1%

Post-release defects

Case Studies

Real results from production systems

Fintech payments

Real-time payouts platform

99.95% uptime
Audit-ready ledger
Sub-second processing
ClojurePostgreSQLAWS
Insurance technology

Claims automation

42% cycle-time reduction
Zero data loss
Regulatory compliant
TypeScriptReactGCP
Identity verification

KYC workflow

60% fewer manual reviews
3x faster onboarding
AML compliant
ClojureTypeScriptMicroservices

About Arity Craft

Arity Craft is a boutique team of functional engineers based in Mauritius. We pair elegant design with statistical rigour to build systems you can bank on.

From the Indian Ocean, built for the world. We specialise in high-trust domains where precision and reliability are non-negotiable.

Our Expertise

Clojure
TypeScript
GCP
Event-driven systems
Data integrity
Security by design

"Functional by design. Immutable in spirit."

Boutique engineering for regulated, high-trust domains

Ready to ship with precision

Let's discuss how we can help build your next system