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Dev.Pro

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Senior AI Platform Engineer – HexCore, Eval Systems

Platform EngineerPlatform EngineerFull TimeRemoteSeniorTeam 501-1,000Since 2011H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

26 days ago

Salary

0

Seniority

Senior

Bachelor Degree4 yrs expEnglishPython

Job Description

Senior AI Platform Engineer – HexCore, Eval Systems

Dev.Pro

• Own and evolve the core platform repository • Build and maintain cross-client isolation across customer configuration • Own the end-to-end conversation logging system • Own the eval suite end-to-end • Build and maintain onboarding automation scripts that deploy a new customer in under 30 minutes • Ensure all platform APIs meet latency targets

Job Requirements

  • Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.
  • 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

  • 30 paid days off each year — use them for vacation, holidays, or personal time
  • 5 paid sick days, up to 60 days of medical leave, and 6 paid days off for family events like weddings, funerals, or having a baby
  • Partially covered health insurance - after probation
  • Wellness bonus for gym memberships, sports nutrition, and similar needs

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