Jhon Edwin Sanz Gonzalez

[

SOFTWARE DEVELOPER

]
Pereira, Colombia
SCROLL
▶ YouTube ✉ ingjhonsanz@gmail.com ☎ +57 3015270778 💻 GitHub 👥 LinkedIn

01. PROFILE

Backend-focused Software Engineer with 7+ years of experience designing and scaling APIs, cloud-based systems, and financial backend platforms. Strong background in AWS infrastructure, fraud detection workflows, and distributed architectures using Django and FastAPI.

Experienced in building automation systems and exploring AI-powered applications using LLM-based agents (LangChain, LangGraph). Strong mathematical foundation and analytical thinking applied to backend engineering and financial risk systems.

0+ Years Experience
0+ Companies
0 Countries

02. SKILLS

〈/〉

Backend & APIs

Python Django DRF FastAPI
☁

Cloud & DevOps

AWS Lambda EC2 S3 CDK Docker Linux Git
☰

Databases

PostgreSQL Neo4j
✿

AI & Automation

LangChain LangGraph LLM Agents Workflow Automation
∞

Other

Math REST API Design System Architecture Risk & Fraud Systems

03. EXPERIENCE

12/2024 — Present Medellin

Backend Developer

Viamericas

  • Maintain and optimize AWS-based infrastructure supporting financial services applications.
  • Design and implement backend features using Django and AWS Lambda in serverless environments.
  • Contribute to the Financial Risk team by developing backend logic for fraud detection workflows.
  • Support integration of early-stage machine learning models into fraud analysis pipelines.
  • Improve deployment processes through Docker-based containerization strategies.
Django AWS Lambda Docker Fraud Detection
03/2024 — 08/2024 Colombia

IT Consultant

Oftasanin

  • Led technology selection decisions, defining Neo4j as the core graph database engine.
  • Designed initial system architecture using FastAPI and Neo4j.
  • Implemented foundational backend structure and REST services.
  • Contributed to frontend architecture decisions using Next.js.
FastAPI Neo4j Next.js Architecture
05/2021 — 12/2023 Canada (remote)

Software Developer

Opes Software

  • Developed React.js applications from scratch, delivering production-ready UI systems.
  • Maintained and modernized legacy frontend and Python backend systems.
  • Containerized legacy Python applications for reproducibility and maintainability.
  • Provisioned and deployed static applications using AWS CDK infrastructure as code.
React.js Python AWS CDK Docker
08/2020 — 05/2021 Panama (remote)

Backend Developer

Grupo Ari

  • Designed and built REST APIs from scratch using Django, DRF, and PostgreSQL.
  • Implemented asynchronous task processing with Celery.
  • Integrated multiple external data sources into backend services.
  • Performed code reviews and contributed to backend design decisions.
Django DRF PostgreSQL Celery
10/2019 — 06/2020 Colombia

Backend Developer

Easy movil

  • Developed REST APIs using Django and PostgreSQL.
  • Integrated payment processing services.
  • Designed database schemas and deployment workflows on Linux VPS.
  • Containerized applications using Docker.
Django PostgreSQL Payments Docker
01/2019 — 06/2019 Colombia

Fullstack Developer

IlanaLab

  • Built REST APIs using Django and PostgreSQL.
  • Implemented background task processing with Celery.
  • Integrated payment services.
  • Developed frontend interfaces using Bootstrap, CSS, and jQuery.
Django PostgreSQL Celery Bootstrap

04. EDUCATION

🎓

Computer Systems Engineer

Universidad Tecnologica de Pereira

2014 — 2018 Pereira, Colombia
🌐

English B2

Colombo Americano

Additional Experience

2021

Math instructor at Universidad Tecnologica de Pereira

2019

Guitarist at Pereira's string orchestra