Excel Data Review Specialist

About OpenTrain

OpenTrain is the #1 platform for careers in AI training and data labeling, where people start and grow work teaching AI systems. We connect contributors with project-based work, help build unified AI training portfolios, and support long-term freelance careers in the human side of AI.

About AI training and this work

AI training (also called data labeling or human feedback work) is how human experts teach AI systems to handle real-world tasks. This role helps models learn from high-quality business spreadsheets, documented solutions, and realistic operational scenarios.

These projects are often remote and flexible, making them a great fit for people who want part-time contract work that leverages domain skills and attention to detail.

The role

OpenTrain AI is hiring an Excel Data Review Specialist to help train models using real-world business operations and strategy work in Excel. This contract, part-time role expects 20+ hours per week, and is open worldwide to English speakers.

Work will focus on evaluating and improving spreadsheets, producing templates and instructional materials, and generating examples and ratings that teach AI how experienced practitioners solve operational problems in Excel.

• Employment type: Contractor, Part-time
• Time requirement: 20+ hours/week
• Language: English
• Data type: Document (Excel spreadsheets, documentation)
• Labeling tasks: Evaluation/rating and text generation

What you'll do

Your day-to-day work will combine hands-on Excel problem-solving with clear documentation and evaluative feedback used to train AI.

• Review and improve complex Excel files tied to business operations, strategy, and data analysis.
• Provide detailed feedback and examples of best practices for operational and consulting Excel use cases.
• Design, document, and share templates or solutions for AI learning purposes.
• Evaluate and simulate real-world business problems using advanced Excel functions, pivot tables, data validation, and automation tools.
• Contribute to data analysis case studies and operational scenarios built around Excel expertise.
• Document processes clearly and produce instructional materials and actionable feedback.

Requirements

Candidates must meet the core technical and communication requirements below. This role is listed at entry level but requires expert Excel skills and the ability to work independently in a remote setting.

• Expert-level Microsoft Excel proficiency, including advanced functions, pivot tables, data validation, and automation tools.
• Experience developing Excel solutions for business operations, strategy, or consulting environments.
• Strong analytical skills and ability to solve complex non-financial business problems with Excel.
• Ability to document processes, create instructional materials, and give clear, actionable feedback.
• Excellent written and verbal communication in English and comfort working independently remotely.

Helpful background & who should apply

You should apply if you enjoy translating real business problems into clean Excel solutions and writing clear guidance others can follow. Prior experience in business operations, strategy, or consulting is a strong fit but not strictly required.

Familiarity with AI training, machine learning datasets, or building Excel-based dashboards and operational tools will make your contributions especially valuable.

• Helpful: background in business operations, strategy, or management consulting.
• Helpful: experience building Excel-based tools, dashboards, or automation for operational excellence.
• Helpful: prior exposure to AI training or machine-learning datasets in a domain capacity.

Pay, application and next steps

Pay is hourly: USD $40–$55 per hour (the posted hourly rate is $55). This is a contract, part-time role with flexible scheduling around the 20+ hours/week minimum.

To apply, create a free OpenTrain account, complete your profile, and submit your application. Successful contributors will produce evaluation ratings and written examples that directly train AI systems.

• Pay type: Pay per hour, USD $40–$55/hr (posted rate $55/hr)
• Work model: Remote, worldwide (English required)
• How we use your work: evaluation/rating and text-generation tasks on document data