Senior AI-Native Full-Stack Engineer - Remote Contractor

Virtualent; Neuquén; Remote; ARS 127,071,000 - 254,142,000; Full time

Job summary

Darwoft, a Latin American remote-first software company, seeks a Senior/Staff Full-Stack Software Engineer to join an AI-native platform for an M&A SaaS product. You will navigate large codebases, design production features, and collaborate with product leadership to deliver reliable software using AI coding agents.

This role emphasizes building backend services, APIs, data models, and UI work across the stack, with a focus on maintainability, observability, and delivery velocity.

Qualifications

• Experience building and operating production software systems.
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Responsibilities

• Navigate, understand, and evolve a large existing production codebase.
• Design and implement new product capabilities across a complex SaaS platform.
• Make pragmatic architectural and system design decisions as the product scales.
• Identify technical debt and reliability issues and propose improvements.
• Use AI coding agents extensively throughout the development lifecycle.
• Build and evolve backend services, APIs, data models and workflows.
• Contribute across the application stack when needed.
• Strengthen automated testing, observability, and production readiness.
• Improve development workflows and tooling.

Skills

Python

React

JavaScript

Java

Node.js

Rust

Go

TypeScript

Full-stack development

APIs & databases

Tools

Claude Code

OpenAI Codex

Copilot

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Job description

Darwoft, a Latin American remote-first software company, seeks a Senior/Staff Full-Stack Software Engineer to join an AI-native platform for an M&A SaaS product. You will navigate large codebases, design production features, and collaborate with product leadership to deliver reliable software using AI coding agents.

This role emphasizes building backend services, APIs, data models, and UI work across the stack, with a focus on maintainability, observability, and delivery velocity.