Freelance Agent Evaluation Engineer
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Key skills for this role
About the Role
Mindrift is seeking a Freelance Agent Evaluation Engineer to create challenging tasks and evaluation criteria for AI coding agents. The role involves building realistic developer environments, designing tasks, writing tests, and iterating based on feedback.
Key Skills for This Role
Responsibilities
- Build realistic developer environments with codebase, infrastructure, and context
- Design tasks from intermediate states of these environments
- Write tests that verify agent solutions
- Iterate on tasks and tests based on QA feedback
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+
Full Job Posting
Opportunity Overview
- Mindrift connects specialists with project based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems.
- Participation is project based, not permanent employment.
- We're building a dataset to evaluate AI coding agents how well a model handles real world developer tasks.
What This Opportunity Involves
- Build realistic developer environments a virtual company with codebase, infrastructure, and context (tickets, docs, conversations) that forms a believable development history
- Design tasks from intermediate states of these environments craft the prompt, define what 'solved' means, and ensure the task is solvable by an AI agent
- Write tests that verify agent solutions accept all valid approaches and reject incorrect ones, neither too strict nor too lenient
- Iterate on tasks and tests based on QA feedback review agent solutions, analyze failures, and refine until the evaluation is fair and robust
What This Is NOT
- Not data labeling
- Not prompt engineering
- Not writing code from scratch the agent writes most of the code; you guide and evaluate
What We Look For
- 5+ years in software development
- Core stack: Python (FastAPI), JavaScript/TypeScript (React), Docker, Postgres, Kafka, Redis
- Experience writing tests (functional, integration)
- English proficiency B2+
Why this is hard
- Frontier models are already good at coding. Creating a task that genuinely challenges the best models is non trivial.
- You need to deeply understand where models fail and what scenarios reveal the difference between a good and a bad solution.
- Tasks have many valid solutions writing tests that accept all correct solutions and reject incorrect ones is harder than it sounds.
How It Works
- Apply → Pass qualification(s) → Join a project → Complete tasks → Get paid
Effort estimate
- Tasks for this project are estimated to take 20 hours to complete, depending on complexity.
- This is an estimate and not a schedule requirement; you choose when and how to work.
- Tasks must be submitted by the deadline and meet the listed acceptance criteria to be accepted.
Compensation
- Up to $50/hr equivalent, depending on level and pace.
- Tasks are estimated at 20 hours each; you set your own schedule.
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