Senior Full-Stack Engineer — Remote LATAM, AI-Driven Backend

FitNext Consulting; Colombia; Remote; COP 284,159,000 - 390,719,000; Full time

Job summary

FitNext Consulting is seeking a Senior Full-Stack Engineer to take features from architecture through production. You will work across the stack with a backend emphasis, shipping independently and using advanced AI-assisted development workflows.

The role involves API development, distributed systems, and ownership of deployment, CI/CD, containers, Kubernetes, and cloud environments, in a remote LATAM context.

Qualifications

• 7+ years of software engineering with backend and full-stack delivery experience.
• Strong foundations in system architecture, distributed systems, and API development.
• Hands-on production experience with CI/CD, Docker, Kubernetes, and cloud infrastructure.
• Proficient in Python/FastAPI and TypeScript/Node.js stacks.
• Experience using Claude Code or Codex for agentic development workflows and AI-assisted coding.

Responsibilities

• Design, build, and ship features end-to-end focusing on backend services and architecture.
• Develop reliable APIs and contribute to scalable distributed systems.
• Impact user-facing functionality and integrations across the full stack.
• Own deployment and infrastructure needs including CI/CD, containers, Kubernetes, and cloud environments.
• Lead work from technical design through production operation.
• Build and use agentic development workflows with Claude Code and Codex.
• Review, test, and refine AI-generated code for quality and reliability.
• Collaborate with the founding team on architecture, priorities, and delivery.

Skills

Backend engineering

API development

Distributed systems

CI/CD

Docker

Kubernetes

Python/FastAPI

TypeScript/Node.js

Claude Code

Codex

AI code review

Tools

Docker

Kubernetes

AWS

GCP

PostgreSQL

Elasticsearch

Job description

FitNext Consulting is seeking a Senior Full-Stack Engineer to take features from architecture through production. You will work across the stack with a backend emphasis, shipping independently and using advanced AI-assisted development workflows.

The role involves API development, distributed systems, and ownership of deployment, CI/CD, containers, Kubernetes, and cloud environments, in a remote LATAM context.