Senior Backend Engineer
Back-end Engineer
Available for hire
Years of
experience
10+ years
Experience
level
Senior
Available
for
Full-time, Part-time, Contract, Freelance
Available from
05 Oct 2026
Distributed Systems · Cloud Native · AWS · Node.js · TypeScript · Go · AI · Event-Driven Architecture · PostgreSQL
Skills
JavaScript
TypeScript
React.js
Next.js
NestJS
Node.js
Express.js
Web sockets
GraphQL
gRPC
Docker
AWS
Azure
Angular.js
GCP
Lambda
Terraform
Microservices
OpenAI
Jenkins
MongoDB
PostgreSQL
Firebase
Dynamodb
RabbitMQ
Git
GitHub
Machine Learning
OAuth
Domain Driven Development
Python
Go
Rust
DuckDB
Apache Kafka
pnpm
Employment History
Software Architect (Distributed Systems & AI) at
Nexo Stack
Current
2025
-
Now
Designed and led the architecture of a multi-tenant SaaS ecosystem for AI applications, inventory and tracking systems. Built distributed services using Node.js, TypeScript, AWS, event-driven architectures, NATS, PostgreSQL and MongoDB. Designed billing, authentication, AI workflows, observability and resilient distributed systems using OpenTelemetry, Prometheus and Grafana.
Backend Consultant at
Independent Consultant
2023
-
2025
Developed REST APIs and microservices with Node.js and TypeScript in AWS environments. Implemented asynchronous processing with SQS, SNS and Step Functions, ETL pipelines, CI/CD with GitHub Actions and Docker, and deployments using ECS and ECR. Built a PDF generation system processing more than 10 million records and performed a database migration of approximately 40 GB using replication to minimize downtime.
Backend Developer at
Globant
2022
-
2023
Developed backend services with NestJS and AWS Lambda. Designed and optimized databases using Prisma and PostgreSQL, and improved service response times and performance in AWS environments.
Backend Developer at
Igloolab
2021
-
2022
Developed microservices with NestJS and event-driven communication between services. Participated in technical decisions and code reviews while working in multidisciplinary Agile teams.
Full Stack Engineer at
Siigo
2020
-
2021
Developed frontend and backend modules for accounting platforms, integrated third-party services and APIs, and improved system performance and maintainability.
Full Stack Engineer at
TiQal S.A.S.
2019
-
2021
Developed a real-time monitoring system with Node.js and implemented a recruitment module within an ERP platform.
Junior Backend Developer at
Institución Universitaria Antonio José Camacho
2017
-
2019
Developed backend functionality for a faculty curriculum management and control system, implementing business logic and services to support the management, tracking and organization of academic curriculum information for university professors.
Software Development Intern at
Institución Universitaria Antonio José Camacho
2016
-
2017
Supported software development activities within the university, gaining hands-on experience in backend development and software engineering while completing my Systems Engineering studies.
Education
Specialization in Artificial Intelligence at
Escuela de Ingenieros de Antioquia (EIA)
2024
-
2025
Systems Engineering at
Institución Universitaria Antonio José Camacho
2015
-
2022