Senior AI-Native Engineer (Remote, USD)

Swiftlysystems; Buenos Aires; Remote; ARS 181,747,000 - 272,620,000; Full time

Benefits offered by this job

Contractor agreement with payment in

USD

100% remote work

Argentina's public holidays

English classes

Referral program

Access to learning platforms

Job summary

Darwoft is seeking a Senior/Staff Software Engineer for an AI-native SaaS platform built for complex M&A workflows. You will work remotely across LATAM, owning production-grade software, guiding architectural decisions, and leveraging AI coding agents to accelerate delivery.

The role emphasizes strong software fundamentals, independence, and a product-minded approach to solving intricate technical challenges in a fast-evolving environment.

Qualifications

• Proven experience building and operating production software systems.
• Strong architecture, design, debugging, testing, and maintainability.
• Experience with large or complex codebases.
• Backend or full-stack with modern languages.
• Experience with APIs, data modeling, and distributed systems.

Responsibilities

• Navigate and evolve a large production codebase.
• Design new capabilities across a complex SaaS platform.
• Make architectural decisions as the product scales.
• Improve reliability, observability, and production readiness.
• Work with AI coding agents to accelerate delivery.
• Collaborate with product leadership to translate business problems into technical solutions.

Skills

Production systems

Architecture

System design

Debugging

Testing

Complex codebases

Backend

Web apps

APIs

Cloud & CI/CD

Ownership

Product mindset

Tools

Claude Code

OpenAI Codex

Cursor

Copilot

Windsurf

Job description

Darwoft is seeking a Senior/Staff Software Engineer for an AI-native SaaS platform built for complex M&A workflows. You will work remotely across LATAM, owning production-grade software, guiding architectural decisions, and leveraging AI coding agents to accelerate delivery.

The role emphasizes strong software fundamentals, independence, and a product-minded approach to solving intricate technical challenges in a fast-evolving environment.