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Hi, I'm Jerald Johnson. I'm a junior data scientist based in Fredericton, Canada, with experience supporting AI-driven products through data analysis, model evaluation, and turning data into actionable, customer-focused insights. I thrive on remote, client-facing work and enjoy translating data into actionable recommendations that support measurable growth. As an independent AI annotation and evaluation contractor for Mercor AI, I review AI-generated outputs for accuracy, clarity, and real-world alignment. I also provide structured written feedback and perform prompt-based testing to assess reasoning capabilities, all while maintaining high quality in asynchronous, deadline-driven environments.…Hi, I'm Jerald Johnson. I'm a junior data scientist based in Fredericton, Canada, with experience supporting AI-driven products through data analysis, model evaluation, and turning data into actionable, customer-focused insights. I thrive on remote, client-facing work and enjoy translating data into actionable recommendations that support measurable growth. As an independent AI annotation and evaluation contractor for Mercor AI, I review AI-generated outputs for accuracy, clarity, and real-world alignment. I also provide structured written feedback and perform prompt-based testing to assess reasoning capabilities, all while maintaining high quality in asynchronous, deadline-driven environments.

Jerald Johnson

Data Scientist, AI Developer, AI Prompt Engineer, +2

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Hi, I'm Jerald Johnson. I'm a junior data scientist based in Fredericton, Canada, with experience supporting AI-driven products through data analysis, model evaluation, and turning data into actionable, customer-focused insights. I thrive on remote, client-facing work and enjoy translating data into actionable recommendations that support measurable growth. As an independent AI annotation and evaluation contractor for Mercor AI, I review AI-generated outputs for accuracy, clarity, and real-world alignment. I also provide structured written feedback and perform prompt-based testing to assess reasoning capabilities, all while maintaining high quality in asynchronous, deadline-driven environments.…Hi, I'm Jerald Johnson. I'm a junior data scientist based in Fredericton, Canada, with experience supporting AI-driven products through data analysis, model evaluation, and turning data into actionable, customer-focused insights. I thrive on remote, client-facing work and enjoy translating data into actionable recommendations that support measurable growth. As an independent AI annotation and evaluation contractor for Mercor AI, I review AI-generated outputs for accuracy, clarity, and real-world alignment. I also provide structured written feedback and perform prompt-based testing to assess reasoning capabilities, all while maintaining high quality in asynchronous, deadline-driven environments.

Available to hire

Hi, I’m Jerald Johnson. I’m a junior data scientist based in Fredericton, Canada, with experience supporting AI-driven products through data analysis, model evaluation, and turning data into actionable, customer-focused insights. I thrive on remote, client-facing work and enjoy translating data into actionable recommendations that support measurable growth.

As an independent AI annotation and evaluation contractor for Mercor AI, I review AI-generated outputs for accuracy, clarity, and real-world alignment. I also provide structured written feedback and perform prompt-based testing to assess reasoning capabilities, all while maintaining high quality in asynchronous, deadline-driven environments.

Skills

AI Data Labelling

Copywriting

Experience Level

AI Data Labelling

Expert

Copywriting

Intermediate

Language

English

Fluent

Work Experience

Independent AI Annotation Contractor at Mercor AI

January 1, 2025 - Present

Annotated, evaluated, and reviewed AI-generated responses across diverse task types including reasoning, writing quality, and factual accuracy. Tested and compared multiple AI model outputs to identify logical errors, hallucinations, bias, and inconsistencies. Provided structured written feedback following strict evaluation rubrics to improve model performance and reliability. Performed prompt-based testing and scenario evaluations to assess real-world reasoning capabilities. Maintained high quality standards while meeting flexible productivity targets in an asynchronous environment. Collaborated with Mercor research and operations teams through platform-based workflows (Slack and tasking websites).

AI User & Online Assistant

January 1, 2022 - December 31, 2024

Used and evaluated AI tools for writing, analysis, and automation tasks. Optimized prompts to improve response quality and task relevance. Assisted users with AI-supported workflows, documentation, and summaries.