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Senior Software Engineer - AI Code Testing & Evaluation

Software Engineer • Senior • Remote • Full-time Bulgaria Bulgaria

Mindrift offers experienced software engineers a project-based opportunity to design challenging tasks and evaluation criteria for AI coding agents within realistic, simulated developer environments.

Responsibilities

  • Build realistic developer environments: codebase, infrastructure, tickets, docs, conversations
  • Design tasks from intermediate states of these environments, defining what solved means
  • Write tests that accept all valid solutions and reject incorrect ones
  • Iterate on tasks and tests based on QA feedback, analyzing agent solutions and failures

Requirements

  • 5+ years in software development
  • Core stack: Python (FastAPI), JavaScript/TypeScript (React), Docker, Postgres, Kafka, Redis
  • Experience writing tests (functional, integration)
  • English proficiency B2+

Soft skills

Independent workThoroughnessCritical thinkingDeep systems understanding

What we offer

  • Flexible, self-managed schedule
  • Up to $40/hr equivalent, depending on level and pace

About the company

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems.

Languages: Angol: B2+ szint

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