Senior Platform Engineer — End-to-End, Hybrid (Buenos Aires)

Scope Applied AI

Buenos Aires

Hybrid

ARS 108,480,000 - 139,474,000

Full time

13 hours ago

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Job summary

Scope Applied AI is seeking a Senior Software Engineer to join the founding team and own the technical backbone of the platform. You will work across TypeScript/Node, React/Next.js, Python/FastAPI, and LLM/agent frameworks to deliver end-to-end features.

This senior IC role centers on architecture, production systems, and scalable decisions, with influence over product direction while shaping the engineering foundation of AI-driven tools. Hybrid work is available in Buenos Aires.

Qualifications

5+ years building and shipping production systems across frontend and backend.
Strong backend in Python and frontend in TypeScript/React/Next.js.
Experience with LLM toolkits and agent frameworks.
Experience with Docker, Kubernetes, and cloud deployments.
Ability to design scalable APIs and data models.

Responsibilities

Lead the design and implementation of core platform features end-to-end across React/Next.js, Node, and Python/FastAPI, with maintainability in mind.
Design APIs and data models that hold up under real usage, integrating with external systems like Slack, Jira, Salesforce, and Drive while avoiding brittle dependencies.
Own infrastructure and ensure the system behaves predictably under load with security and cost discipline.
Create and operate CI/CD pipelines, monitoring, logging, and alerting for visibility and rapid iteration.
Set the bar for code quality through thorough reviews, clear patterns, and mentorship as we scale the team.
Influence architectural choices and challenge assumptions to push the product toward a cleaner, more resilient foundation.