STEPH / signal field

StephanyMarín

Software Engineer · Creative Developer

Software engineered with visual intelligence.

I build systems, interfaces and digital experiences with equal attention to structure and detail.

Five nodes, embedded in one running field. Touch one to route the signal and read that part of the practice.

02 / Work

Selected systems.

Projects across healthcare, enterprise software, full-stack products and interactive digital experiences.

02 —Healthcare systems

SIIS / Clinical Integrations

Healthcare systems & interoperability

Critical healthcare integrations connecting clinical workflows, electronic billing, interoperability services and operational data across complex legacy systems.

  • Critical software
  • Interoperability
  • Clinical integrations
  • Legacy systems
  • Reliability
  • Auditability
  • Real operational flows

Stack

PHP · PostgreSQL · REST APIs · Healthcare interoperability

Related dimensions

Architecture · Craft · Perception

SIIS INTERNAL DOMAINREST / JSONEXTERNAL PLATFORMVALIDATIONDOMAIN RESOLUTIONSIIS COREBILLINGMEDICAL AUDITTRACE / AUDIT
Many systems, one operational flow
ANGULARAUTHMICROFRONTENDSCATALOGNESTJS SERVICESFINANCINGPOSTGRESQL / ORACLEPRE-QUOTATIONMAP / SECTORFILTERSLISTPRODUCT DETAILTOTAL4.980.000UF129,4 UFDOWN PAYMENT20% · 996.000FINANCED3.984.000INSTALLMENT12 × 332.000QUOTATION SUMMARYADD ITEMREMOVECONTINUEPRODUCT DISCOVERY
Interface, financing logic and services as one modular system
01 —Enterprise platforms

Cotiza Ventas 2

ENTERPRISE SOFTWARE

Configurar, calcular y cotizar como un solo flujo.

A modular quotation platform connecting product selection, financing logic and distributed services across frontend and backend systems.

  • MICROFRONTENDS
  • MICROSERVICES
  • PRODUCT LOGIC
  • FINANCING RULES
  • QUOTATION FLOW

Stack

Angular · Microfrontends · NestJS · PostgreSQL · Oracle

Related dimensions

Interface · Architecture · Composition

Complex enterprise systems, healthcare software and interoperability, and digital experiences built with visual sensibility — one practice: engineering systems with visual intelligence.

03 / Craft

How I build.

I rarely start by asking what to build.
I start by understanding what the system is already trying to do.

  1. 01 /

    Read the system

    Understand the existing architecture, constraints, users and failure points before changing anything.

  2. 02 /

    Find the signal

    Reduce complexity and identify the real problem, the dependencies and the technical risks.

  3. 03 /

    Build with intent

    Design and implement the smallest robust solution that fits the system, rather than adding unnecessary complexity.

  4. 04 /

    Observe in reality

    Test the behaviour in real conditions, inspect data and logs, validate integrations, refine and iterate.

One field, four states — the process reorganising itself