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Principal Software Engineer

São Paulo, Estado de São Paulo💼 Full-time🗓 2026-05-12 → 2026-08-07

Core

Principal Software Engineer leading technical architecture, engineering standards, and product evolution at the intersection of AI, distributed systems, and financial products.

Role type

Principal Software Engineer (hands-on IC with leadership)

Builds

AI-integrated distributed systems and financial products

Domain

Financial Technology / Artificial Intelligence / Distributed Systems

Deliverable

production ML models | product features | infrastructure

Required skills

JavaScript, Node.js, TypeScript, PostgreSQL, distributed systems design, microservices, event-driven architectures, Domain-Driven Design (DDD), AI application (RAG, fine-tuning, pipelines), system architecture

Preferred skills

intellectual curiosity, high execution speed, self-development focus, end-to-end user experience ownership

Technologies

JavaScript, Node.js, TypeScript, PostgreSQL

Responsibilities

Define architectural decisions and engineering standards, program and design complex systems, guide other engineers, apply AI in software development and products, elevate the technical level of the organization

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