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anidroid1184/README.md

👋 Juan Sebastián Valencia Londoño

LinkedIn Email Portfolio

🛠️ Backend & Full Stack Developer | Software Engineer | Edge-to-Cloud Architect

Software Developer with the analytical rigor of an Electronics Engineer. I specialize in building scalable APIs, robust data pipelines, and high-performance cloud architectures. I operate exactly at the intersection of software and hardware, building "Edge-to-Cloud" ecosystems that bridge physical data with highly optimized backend systems.


💻 Technical Stack

🌐 Backend, Cloud & Full Stack

Python Go FastAPI PostgreSQL React Docker

  • RESTful APIs & Microservices (FastAPI, Go)
  • Schema-per-tenant Architectures & DB Design
  • Containerized Deployments (Docker, GCP)
  • Full Stack Web Apps (React, TypeScript)
  • Data Pipelines & LLM Integrations (Gemini)

🎛️ Low-Level & IoT Integration

Rust C++ Linux

  • IoT Sensor Network Data Ingestion
  • Hardware-to-Cloud Middleware
  • High-performance computing & `no_std` Rust
  • Asynchronous WebSockets & Serial Protocols

📈 Engineering Analytics

Top Languages

🚀 Open Source Contributions

I actively contribute to production codebases across backend infrastructure, security pipelines, and data services:

  • Afri-dollar: Designed scalable backend infrastructure implementing message queues (Redis/Bull) and async operations. (PR #135)
  • Learnvault: Developed an automated reward system end-to-end in Node.js/TypeScript with strict unit tests (Jest).
  • tinyxml2-rs: Integrated automated static analysis security workflows (CodeQL) and AI agents into CI/CD pipelines. (PR #20)

📚 Featured Engineering Projects

Unified solar operations platform managing +200 multi-vendor solar projects.

  • Stack: Python, FastAPI, Supabase (PostgreSQL + Auth), React, TypeScript, Docker.
  • Engineering Highlight: Architected a scalable "Edge-to-Cloud" backend in 18 hours, reducing operational report generation from 2 weeks to under 5 minutes through automated data ingestion and KPI calculations.

Open-source visual laboratory for learning low-level programming.

  • Stack: Python, FastAPI, PostgreSQL, React, TypeScript, Docker Compose, Pytest.
  • Engineering Highlight: Built a robust bilingual full-stack platform, containerized the ecosystem with Docker Compose, and implemented rigorous CI pipelines with continuous secret scanning (Gitleaks).

💼 Core Professional Experience

Backend / Full Stack Developer (Freelance) — Independent B2B Clients

2025 - Present

  • Architected and migrated the backend for a Point-of-Sale (POS) system aimed at the hospitality sector, implementing a robust schema-per-tenant architecture and Policy-Based Access Control (PBAC) in PostgreSQL.
  • Developed end-to-end web applications integrating modern frontends with high-performance backends (Python, FastAPI, Supabase).
  • Managed database schemas, asynchronous workers, and containerized deployments using Docker and Google Cloud Platform (GCP).

🏆 Key Certifications

  • Google Cloud Engineering Certificate (Google)
  • Advanced FastAPI Design & Enterprise Meta-Backend Systems
  • Terraform on Google Cloud (HashiCorp)

Building the bridge between the physical world and the digital ecosystem.

Pinned Loading

  1. embedded_labs embedded_labs Public

    Open-source side project: visual lab for bitwise / low-level learning (React +Python FastAPI)

    TypeScript

  2. uart-command-rust uart-command-rust Public

    It's my project course

    Rust 1

  3. tinyxml2-rs tinyxml2-rs Public

    Forked from iTeebot/tinyxml2-rs

    A memory-safe, high-performance implementation of the TinyXML2 API written in Rust. Designed as a drop-in replacement for existing C/C++ projects while providing an idiomatic Rust API.

    Rust

  4. Hackaton Hackaton Public

    Plataforma IoT/Solar multiproveedor con arquitectura modular (FastAPI, React, Supabase). Gestiona +200 plantas con dashboards por rol, sincronización idempotente y panel de simulación en vivo.

    TypeScript 1

  5. afri-dollar afri-dollar Public

    Forked from DigiAfricaEra/afri-dollar

    AfriDollar provides African businesses with transparent access to USDC and compliant digital dollar infrastructure using Stellar for fast, low-cost cross-border payments and treasury operations.

    TypeScript