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Senior Software Engineer 🇦🇷

In office • Buenos Aires🌐 Remote💼 Full-time🗓 2026-06-24 → 2026-09-24

Core

Drive the evolution of backend technology, infrastructure, and AI capabilities to ensure high performance, scalability, and seamless integration for mobile-first business software.

Role type

Senior Software Engineer (Backend & AI Systems)

Builds

Scalable backend systems, AI features, and infrastructure for mobile applications serving small businesses

Domain

Fintech / SMB SaaS / Mobile-first business software

Deliverable

production ML models | product features | infrastructure

Required skills

Backend development (Kotlin, Java, Go, Python), Database design and optimization, Scalable system architecture, Cloud services (AWS, Supabase, Cloudflare), CI/CD processes, Performance monitoring (New Relic, Datadog)

Preferred skills

AI model application and optimization, Systems architecture patterns, Data-driven decision making

Technologies

Kotlin, Java, Go, Python, AWS, Supabase, Cloudflare, New Relic, Datadog

Responsibilities

Work side by side with CTO to build backend and AI system foundations, Develop and enhance backend systems for existing and new applications, Contribute to systems design, infrastructure planning, and data workflows

Seniority

Senior, hands-on IC

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