BACKEND
ARCHITECT &
SOFTWARE ENGINEER

Distributed Systems Specialist | Microservices Architecture | Cloud Infrastructure

4

Production Systems

10+

Technologies Mastered

2+ Y

Engineering Experience

Active

Available for Hire

ABOUT

Multilingual Software Developer (English C2) with strong foundation in Distributed Systems and Domain-Driven Design. Proven expertise building scalable backend architectures using Java (Spring Boot) and Python.

Focus on Microservices, resilience, and cloud deployment. Technical Mentor with exceptional communication skills. Linux daily driver (Arch).

SELECTED WORK

statio app
01

StatioCore

Java 17 Spring Boot 3 React Docker DigitalOcean

Complete SaaS solution for parking management with high-performance Java backend. Demonstrates mastery of full software lifecycle from architectural design to cloud deployment on VPS.

  • Engineered robust layered architecture with Spring Boot 3
  • Orchestrated production deployment via Docker Compose
  • Integrated RESTful APIs secured via JWT & RBAC
hexatask app
02

HexaTask

Java 17 DDD Angular Envers PostgreSQL

High-compliance Project Management platform applying Strict Hexagonal Architecture and Domain-Driven Design. Core domain is pure Java, completely decoupled from frameworks.

  • Enforced strict domain purity using DDD Aggregates
  • Engineered advanced security with Token Rotation
  • Implemented full historical data auditing (@Audited)
quantstox app
03

QuantStox

Python FastAPI AWS EC2/S3 TensorFlow LLMs

Hybrid AI-powered ETL pipeline deployed on AWS to ingest, process, and analyze financial market data. Integrates ML models and GenAI for sentiment analysis.

  • Built high-performance extraction engine with Pandas
  • Containerized Keras models for numerical inference
  • Simulated Data Lake architecture using AWS S3
coinly app
04

Coinly

Kotlin Resilience4j Flyway Prometheus

Production-grade backend for personal finance tracking using Kotlin. Moves beyond simple CRUDs to implement Modular Monolith structure with resilience mechanisms.

  • Implemented Circuit Breakers for fault tolerance
  • Enforced modular design with strict boundaries
  • Configured real-time observability with Prometheus

TECHNICAL ARSENAL

LANGUAGES

  • Java 17+ (Primary)
  • Python (Data & ML)
  • Kotlin
  • TypeScript
  • SQL & Bash

BACKEND & ARCH

  • Spring Boot 3
  • FastAPI & NestJS
  • Domain-Driven Design
  • Hexagonal Arch
  • Microservices

INFRA & CLOUD

  • Docker Compose
  • AWS (S3, EC2)
  • DigitalOcean
  • Linux (Arch)
  • Nginx & CI/CD

DATA & TESTING

  • PostgreSQL
  • JUnit 5 & Mockito
  • TestContainers
  • Flyway Migrations
  • Hibernate Envers

BACKGROUND

Independent Software Engineer
SaaS Creator | Jan 2024 - Present

Architecting & scaling B2B/B2C platforms.

Software Engineer / Technical Mentor
Riwi | Apr 2025 - Jan 2026

Backend development & team leadership.

Software Engineering
Politécnico Grancolombiano | Present

4.74 GPA | Focus on Algorithms & Arch.

Degree in Foreign Languages
Universidad del Atlántico | May 2024
Certifications
Languages
  • Spanish (Native)
  • English (C2 - Proficient)
  • French (B2)
  • German (B1)
  • Italian (A2)
HIRE ME

READY TO DEPLOY?

Open to remote & hybrid backend engineering roles.

Based in Barranquilla, Colombia

tony@tonys-dev.com