Senior AI Platform Engineer – HexCore, Eval Systems

NIR-YU

Senior AI Platform Engineer managing core platform for AI agents at HexCore. Overseeing multi-tenant system design and backend infrastructure using Python.

Posted 5/31/2026full-timeRemote • 💃 Anywhere in Latin AmericaSeniorWebsite

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

Own and evolve the core platform repository — the central Python package implementing our modular agent architecture across orchestration, tools, state, retrieval, configuration, and extensibility layers.
Design and maintain customer configuration schemas including versioning metadata, lineage tracking, and component provenance fields aligned with our IP strategy.
Build and maintain onboarding automation scripts that deploy a new customer in under 30 minutes: configuration templates, KB ingestion, eval suite setup, and run scripts.
Ensure all platform APIs meet latency targets (P95 < 1.5s for voice path) through profiling, caching, and async optimization.

Requirements

What you’ll need

Proficient or Advance use of agentic workflows for coding in tools like Cursor AI or Claude Code.
4+ years building and owning production-grade backend systems in Python.
Proven experience owning a core platform or shared infrastructure layer used by multiple teams or customers.
Hands-on track record with multi-tenant system design — schema isolation, config-driven parameterization, and deployment automation.
Experience building evaluation harnesses for LLM-based systems with quantitative metrics.

Benefits

Comp & perks

Professional development
Performance bonuses

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Pythonagentic workflowsbackend systemsmulti-tenant system designschema isolationconfiguration-driven parameterizationdeployment automationevaluation harnessesquantitative metricsAPIs