Member of Technical Staff | Product Platform (AI)

Location: Remote, São Paulo

Company

hirify.global is a frontier AI lab building relational foundation models from the ground up for enterprise credit, growth, and fraud decisions in Latin America.

What you will do

• Evolve online and batch prediction APIs used by enterprise customers.
• Build dashboards and workspaces for file transfers, batches, models, test predictions, webhooks, and API keys.
• Implement usage metering, quotas, and billing integrations with correct workspace attribution.
• Build hirify.global Core foundations connecting data sources, corrections, schemas, targets, and horizons from model training and evaluation through production prediction.
• Expose model catalogs, versions, and status while maintaining ML Systems as the source of truth.
• Provide Ops visibility through backoffice tools, notifications, and production panels.

Requirements

• Experience building and operating B2B products or public APIs in production for dependent customers.
• Strong API design skills, including versioning, idempotency, pagination, rate limiting, authentication, and API keys.
• Experience with multi-tenant systems, including organizations, workspaces, permissions, and isolation.
• Production coding experience in Go and TypeScript across backend and UI.
• Product sense and collaboration with Product and FDEs to understand customer problems before implementation.
• Production-quality coding and code reviews, with willingness to operate what you build.
• Daily use of coding agents and an informed approach to using them safely.

Nice to have

• Usage-based metering and billing with Orb, Stripe, or similar tools.
• Webhooks and event delivery at scale.
• Data or ML product experience involving long-running jobs, large files, and asynchronous status.
• Developer experience with SDKs, API documentation, or self-service onboarding.
• Kubernetes and GCP experience.
• Experience in financial services or regulated environments.

Culture & Benefits

• Full-time engineering role on the Platform team.
• Technical individual contributors own systems and outcomes while building depth in their area.
• Work focuses on customer-facing platform surfaces and operating production systems.