Senior AI-Native Engineer — Remote LATAM (SaaS)

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

Benefits offered by this job

Contractor agreement with USD payment

100% remote work

Argentina's public holidays

English classes

Referral program

Access to learning platforms

Job summary

Darwoft is hiring a Senior/Staff Software Engineer for an AI-native, Claude Code/Codex-driven workflow. You will lead architectural decisions, improve reliability, and ship production software across a large codebase in a remote LATAM setup.

You’ll work with AI coding agents to accelerate delivery, while maintaining strong engineering judgment and product focus in a fast-moving environment.

Qualifications

• Proven track record building production software.
• Strong fundamentals in architecture, system design, debugging, testing, and maintainability.
• Experience with large or complex existing codebases.
• Strong backend or full-stack experience with modern languages and frameworks.
• Experience building modern web applications and SaaS products.
• Solid understanding of APIs, architecture, data modeling, and distributed systems.

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

Skills

Production software

Architecture & design

Large codebases

Backend or full-stack

Web apps & SaaS

APIs & distributed systems

Relational databases

CI/CD & cloud

AI development tools

Tools

Claude Code

OpenAI Codex

Cursor

GitHub Copilot

Windsurf

Job description

Darwoft is hiring a Senior/Staff Software Engineer for an AI-native, Claude Code/Codex-driven workflow. You will lead architectural decisions, improve reliability, and ship production software across a large codebase in a remote LATAM setup.

You’ll work with AI coding agents to accelerate delivery, while maintaining strong engineering judgment and product focus in a fast-moving environment.