Hire Problem Authors Who Create High-Signal Reasoning Data
Post a job and hire from the largest network of problem writers and domain SMEs for math, code, science, logic, and specialized fields. Original problems with step-by-step solutions. 100,000+ pre-vetted specialists.
LLM & Agent Solutions / Reasoning Problem Creation jobs are matched through platform-native screens and expert validation.
Scale your reasoning data with experts who work in your existing tools.
Writers to Domain Experts
Problem authors for volume, SMEs for math, code, science, legal, finance, and more
Any Tool
Use off-the-shelf, open-source, or your custom annotation tooling
Every Reasoning Type
Math, logic, multi-hop, coding challenges, domain-specific problems, and more
Hire for Any Platform or Internal Tooling
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事前審査済みエキスパート
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言語
How OpenTrain Works for Reasoning Problem Creation
Post a Job and Receive Pre-Screened Applicants
Describe your problem format, difficulty requirements, and domain needs. Receive proposals from writers and SMEs with relevant experience in reasoning tasks, solution authoring, or your target field.
Hire and Add to Your Tools
Review candidates, make your hires, and invite them to your document systems, custom interfaces, or internal data pipelines.
Communicate and Pay in One Place
Share guidelines and solution specifications, message your team, and handle global payments from a single dashboard.
Start Building Your Reasoning Data Team Today
Post your first job and connect with problem authors and domain SMEs who can deliver original problems, step-by-step solutions, and the high-quality reasoning data your models need.
Post Your Reasoning Problem Creation Job
要件を記載すると、プロジェクトにマッチしたドメインエキスパートの厳選されたショートリストが届きます。定額15%、隠れた追加料金なし。
フルサービス、エンドツーエンド
- 採用およびライブ審査
- オンボーディングとトレーニング
- 日次管理とQA
- 専任プログラムリード
Domain Writers Who Produce Expert-Level Training Data
Generating high-quality training data means domain experts who can write like practitioners — not generalists following a script. Access writers with real-world expertise in your target domain.
FAQs about Hiring for Reasoning Problem Creation
Quick answers to common questions about reasoning data on OpenTrain.












