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I am Ruth Sobande, a Data Annotator/AI Prompt Engineer Specialist with 3+ years of experience improving LLM performance through prompt design, fact-checking, and structured evaluation. Skilled in NLP workflows, instruction tuning, and reducing model hallucinations in large-scale annotation projects. I am proficient with tools like Labelbox, SuperAnnotate, and ChatGPT for generating high-quality AI training data. I am passionate about ethical, user-aligned AI systems and ready to contribute to cutting-edge freelance projects in Generative AI.…I am Ruth Sobande, a Data Annotator/AI Prompt Engineer Specialist with 3+ years of experience improving LLM performance through prompt design, fact-checking, and structured evaluation. Skilled in NLP workflows, instruction tuning, and reducing model hallucinations in large-scale annotation projects. I am proficient with tools like Labelbox, SuperAnnotate, and ChatGPT for generating high-quality AI training data. I am passionate about ethical, user-aligned AI systems and ready to contribute to cutting-edge freelance projects in Generative AI.

Ruth Sobande

AI Prompt Engineer, Data Annotator, AI Engineer, +4

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I am Ruth Sobande, a Data Annotator/AI Prompt Engineer Specialist with 3+ years of experience improving LLM performance through prompt design, fact-checking, and structured evaluation. Skilled in NLP workflows, instruction tuning, and reducing model hallucinations in large-scale annotation projects. I am proficient with tools like Labelbox, SuperAnnotate, and ChatGPT for generating high-quality AI training data. I am passionate about ethical, user-aligned AI systems and ready to contribute to cutting-edge freelance projects in Generative AI.…I am Ruth Sobande, a Data Annotator/AI Prompt Engineer Specialist with 3+ years of experience improving LLM performance through prompt design, fact-checking, and structured evaluation. Skilled in NLP workflows, instruction tuning, and reducing model hallucinations in large-scale annotation projects. I am proficient with tools like Labelbox, SuperAnnotate, and ChatGPT for generating high-quality AI training data. I am passionate about ethical, user-aligned AI systems and ready to contribute to cutting-edge freelance projects in Generative AI.

Available to hire

I am Ruth Sobande, a Data Annotator/AI Prompt Engineer Specialist with 3+ years of experience improving LLM performance through prompt design, fact-checking, and structured evaluation. Skilled in NLP workflows, instruction tuning, and reducing model hallucinations in large-scale annotation projects.

I am proficient with tools like Labelbox, SuperAnnotate, and ChatGPT for generating high-quality AI training data. I am passionate about ethical, user-aligned AI systems and ready to contribute to cutting-edge freelance projects in Generative AI.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Data Annotation - English Speaker (Freelance) at Freelance

June 1, 2025 - Present

Carefully label and annotate large volumes of English-language data according to detailed project guidelines. Review and validate annotations to ensure consistency, accuracy, and adherence to defined standards. Provide insightful feedback on annotation guidelines to drive continuous process optimization. Maintain high productivity while meeting and exceeding quality benchmarks and project deadlines. Document issues, escalate potential inconsistencies, and proactively communicate status updates to the team. Participate in training sessions to stay updated on evolving annotation protocols and tools.

AI Trainer - Freelance Data Annotator at Freelance

March 1, 2025 - Present

Developed and optimized 500+ prompts for tasks like summarization, classification, and extraction, increasing LLM accuracy by 22%. Evaluate over 2,000 AI-generated outputs for tone, relevance, and hallucination, reducing invalid completions by 30%. Create reusable prompt templates that cut prompt creation time by 40% across use cases. Collaborate with 5 cross-functional teams to improve annotation workflow efficiency through A/B testing and structured feedback.

Data Annotator (Freelance) at Freelance

January 1, 2025 - Present

Label and annotate text, images, audio, or video data with high accuracy. Follow detailed labeling guidelines and project-specific instruction to achieve quality. Review annotated outputs to ensure consistency and adherence to standards. Provide feedback to improve labeling guidelines and processes. Meet and exceed quality benchmarks while managing multiple projects in a remote setting.

Image and Text Reconstruction Annotator at Freelance

May 1, 2018 - December 1, 2024

Labeled and reconstructed complete or distorted image and text data to support machine learning models in enhancing content recognition and generation. Reviewed OCR outputs for accuracy, corrected and reformatted text for training datasets. Annotated paired image-text datasets to train AI systems in interpreting visual scenes and generating contextual descriptions. Flagged edge cases where reconstruction logic failed to help improve model training parameters. Collaborated with annotation leads to update documentation and refine project-specific labeling criteria. Maintained accuracy across large-scale datasets with a focus on consistency and alignment with reconstruction goals.

Prompt Engineer Freelancer

August 1, 2025 - Present

Review model interaction logs and judge whether tool invocation (e.g., search) was contextual appropriately. Evaluate rewritten search queries for clarity, precision, and fidelity to user intent. Provide concise, evidence-based rationale aligned with rubric criteria, including edge cases. Assess query quality factors: intent capture, keyword selection, operator use, and tool-using timing. Maintain high inter-rater agreement and throughput within a task portal. Flag sensitive or inappropriate content according to safety guidelines.

Data Annotation - English Language Freelancer

June 1, 2025 - Present

Carefully label and annotate large volumes of English-language data according to detailed project guidelines. Review and validate annotations to ensure consistency, accuracy, and adherence to defined standards. Provide insightful feedback on annotation guidelines to drive continuous process optimization. Maintain high productivity while meeting and exceeding quality benchmark and project deadlines. Document issues, escalate potential inconsistencies, and proactively communicate status updates to the team. Participate in training sessions to stay updated on evolving annotation protocols and tools.

AI Trainer - Freelance Data Annotator

March 1, 2025 - Present

Data Annotator

January 1, 2025 - Present

Label and annotate text, images, audio, or video data with high accuracy. Follow detailed labeling guidelines and project-specific instructions. Perform quality checks to ensure data meets accuracy and consistency standards. Provide feedback to improve labeling guidelines and processes. Work with project managers to meet deadlines.

Data Annotation - Ego 4D Workflow at HugoTech Inc.

January 1, 2022 - Present

Annotated video content in the Ego 4D Workflow to help improve AI understanding of human interaction and real-world activities. Labeled and categorized text data in the LLM Plugins Workflow to fine-tune language model accuracy and performance. Compared AI-generated image outputs for tone, relevance, and hallucination. Managed large datasets and applied high-precision labeling in the Flywheel Workflow, supporting AI feedback loop optimization. Conducted detailed annotation across various media formats including image, text, video, and audio. Maintained accuracy across large-scale datasets with focus on consistency, clarity, and alignment with reconstruction goals.