RZ
Hiring profile

Everything you need to decide if I fit, on one page.

No need to walk the whole portfolio: the roles I apply for, how I work with Spain/EU, the stack I own and the systems you can review in depth.

Quick facts

Location
Medellín, Colombia
WhatsApp
+57 305 355 4636
Timezone
COT · daily CET overlap
Experience
10+ years · 12+ production systems
Focus
Architecture · AI · Backend
Languages
Native Spanish · technical English

Target roles

  • Senior Software Architect
  • Solutions Architect
  • Staff Software Engineer
  • Principal Engineer
  • AI Architect
  • Technical Lead
  • Senior Backend Engineer

Senior/staff band. I don't apply to mid-level positions or roles without architecture ownership.

Work model

Remote
Preferred, with CET overlap
Relocation
Spain / EU if the role requires it
Contract
Spanish permanent contract or B2B contractor
Authorization
Relocation to the contract city with work authorization sponsored by the company. As a B2B contractor I invoice from Colombia.

Core stack

Architecture & Backend

  • Python
  • FastAPI
  • Django
  • PostgreSQL
  • API design
  • Software architecture

Agentic AI

  • Agentic AI
  • RAG
  • CrewAI
  • Ollama
  • MCP
  • Embeddings

Enterprise experience

  • Grupo ÉxitoRetail
  • NutresaFood
  • RenaultAutomotive
  • TigoTelecom
  • ComfamaSocial services
  • BancolombiaBanking
  • ArgosCement / industrial
  • 472Postal / logistics
  • NoelFood
  • RicaFood
  • CantagironeConstruction / materials
  • Aroka SAS · TransferimosFintech / transfers

Selected public experience. Part of the enterprise work sits under confidentiality agreements: I describe technical responsibility and architecture only where permitted.

Next step

Download the CV or book 15 minutes: you talk directly to me, no middle layer.