Hi, I'm Cristian,

AI & Full-Stack Engineer

Systems Engineer building full-stack, cloud and AI solutions that generate business value, from architecture to production support.

View my projects
Cristian Ñustes wearing a black suit against a blue studio backdrop

About

Building banking-grade systems today. Software for space exploration tomorrow.

Systems Engineer and Full-Stack Developer with an entrepreneurial mindset. I build full-stack solutions for banking (BBVA) and lead initiatives across the SDLC, from architecture to production support, combining systems design and software architecture with AI.

  • 1Mdocuments generated per day
  • 100kAPI requests per day
  • 100%SLA on high-priority incidents
  • 4+years building software, since 2022

Currently

Custom Software Engineering Associate · Accenture → BBVA Colombia

Location

Bogotá, Colombia

UTC−5

Education

Systems Engineering · Universidad EAN

Languages

  • SpanishNative
  • EnglishB2
  • PortugueseA2

Next frontier

Software systems for space exploration

Experience

  1. Aug 2025 – Present · Bogotá

    Custom Software Engineering Associate

    Accenture · Client BBVA Colombia

    • Built a distributed system that generates 1M documents per day and a REST API handling 100k requests per day, including monitoring, logging and disaster recovery.
    • Delivered new features that improve the contracting of banking products.
    • Resolved high-priority production incidents with 100% SLA compliance.
  2. Jan 2025 – Jul 2025 · Remote

    Custom Software Engineering New Associate

    Accenture · BBVA

    • Led backend development and modernization, introducing new processes and refactoring.
    • Delivered a key financial product impacting about 600 real-estate clients.
    • Ensured compliance with Colombian Financial Superintendence (SFC) requirements.
  3. Jan 2022 – Jan 2025 · Remote

    Full-Stack Developer & Cloud Consultant

    Freelance

    • Designed custom AI workflows integrating APIs and MCP servers.
    • Built secure, scalable full-stack services for e-commerce.
    • Produced cloud architecture diagrams for scalable infrastructure.

Projects & Research

Selected research and side projects.

Leadership

Stack

Backend
  • Java
  • Spring Boot
  • Node.js
  • Python
  • PHP
  • Go
  • ASO
  • APX
Frontend
  • TypeScript
  • JavaScript
  • React
  • Angular
  • Lit
  • HTML
  • CSS
  • Cells
  • JSP
Databases
  • PostgreSQL
  • MySQL
  • MongoDB
  • SQLite
  • SQL
  • Oracle PL/SQL
Cloud & DevOps
  • AWS
  • Azure
  • Google Cloud
  • Docker
  • Kubernetes
  • Terraform
  • Jenkins
  • Linux
  • Git
  • GitHub
Tools
  • IntelliJ IDEA
  • VS Code
  • Postman
  • Ansible
  • Bash
AI
  • MCP
  • RAG
  • AI Agents
  • Claude Code
  • n8n

Contact

Have a project, a role or just want to say hi? I'd love to hear from you.

Download CV