Senior AI-Native Engineer - Remote Backend Architect

Remote Jobs; Santa Fe Capital; Remote; ARS 181,747,000 - 257,474,000; Full time

Benefits offered by this job

Contractor agreement (USD)

100% remote

Argentina holidays

English classes

Referral program

Access to learning platforms

Job summary

Darwoft seeks a Senior/Staff Software Engineer to help shape an AI-native platform for complex M&A workflows. You will navigate a large production codebase, design scalable systems, and leverage AI coding agents to accelerate delivery.

This fully remote LATAM role pays in USD and offers high-velocity engineering with ownership and strong product focus. You’ll drive architectural decisions, reliability, and collaboration with product leadership to deliver impactful SaaS solutions.

Qualifications

• Hands-on experience building and operating production software systems.
• Strong software engineering fundamentals including architecture, system design, debugging, testing, and maintainability.
• Experience with large or complex existing codebases.
• Backend or full‑stack experience using modern languages and frameworks.
• Experience building modern web apps and SaaS products.
• Strong understanding of APIs, architecture, integration, data modeling, and distributed systems.
• Experience with relational databases and production data environments.
• Familiarity with cloud environments, CI/CD pipelines, deployments and production operations.
• Ability to reason through technical trade-offs and make pragmatic architectural decisions.
• Strong ownership and ability to work independently in evolving product environments.
• Product mindset: understand not only how to build, but why.

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, architectural risks, reliability issues, and opportunities for improvement.
• Use Claude Code, Codex, Cursor, Copilot, or similar AI coding agents extensively.
• Leverage AI agents to explore codebases, design implementations, generate and refactor code, debug issues, write tests, and accelerate delivery.
• Build and evolve backend services, APIs, integrations, data models, and application workflows.
• Contribute across the application stack when needed.
• Strengthen automated testing, maintainability, observability, reliability, and production readiness.
• Improve development workflows, tooling, automation, and engineering practices.
• Troubleshoot complex issues across application, data, and infrastructure layers.
• Balance development speed with software quality and long-term maintainability.
• Work closely with product leadership to translate business problems into effective technical solutions.
• Help a small engineering team achieve significantly greater development leverage through AI-assisted engineering.

Skills

Production systems

Architecture

System design

Debugging

Testing

Codebase familiarity

Web apps

SaaS

APIs

Distributed systems

Cloud & CI/CD

Ownership

Product mindset

Tools

Claude Code

OpenAI Codex

Cursor

GitHub Copilot

Windsurf

Job description

Darwoft seeks a Senior/Staff Software Engineer to help shape an AI-native platform for complex M&A workflows. You will navigate a large production codebase, design scalable systems, and leverage AI coding agents to accelerate delivery.

This fully remote LATAM role pays in USD and offers high-velocity engineering with ownership and strong product focus. You’ll drive architectural decisions, reliability, and collaboration with product leadership to deliver impactful SaaS solutions.