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Hello! I'm Samuel Chinedu Anicho, an AI Data Trainer and Annotation Specialist with over seven years of experience collaborating with humans and AI to build and refine large language models, computer vision systems, and conversational agents. I’ve contributed across Scale AI partner networks including Outlier AI, Remotasks, Appen, and Toloka AI, delivering high-accuracy data labeling and thoughtful model evaluations. I consistently maintain an accuracy rate above 95% and enjoy crafting seed and adversarial prompts to stress-test models, improving safety and robustness. In remote settings I thrive on clear communication, disciplined self-management, and meticulous adherence to guidelines. I love turning complex data labeling tasks into streamlined processes, contributing to RLHF pipelines, and helping teams align model outputs with human preferences. I’m excited to continue collaborating with cross-functional teams worldwide on high-quality AI training initiatives.…Hello! I'm Samuel Chinedu Anicho, an AI Data Trainer and Annotation Specialist with over seven years of experience collaborating with humans and AI to build and refine large language models, computer vision systems, and conversational agents. I’ve contributed across Scale AI partner networks including Outlier AI, Remotasks, Appen, and Toloka AI, delivering high-accuracy data labeling and thoughtful model evaluations. I consistently maintain an accuracy rate above 95% and enjoy crafting seed and adversarial prompts to stress-test models, improving safety and robustness. In remote settings I thrive on clear communication, disciplined self-management, and meticulous adherence to guidelines. I love turning complex data labeling tasks into streamlined processes, contributing to RLHF pipelines, and helping teams align model outputs with human preferences. I’m excited to continue collaborating with cross-functional teams worldwide on high-quality AI training initiatives.

Samuel Chinedu Anicho

Data Annotator, AI Engineer, AI Prompt Engineer, +2

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Hello! I'm Samuel Chinedu Anicho, an AI Data Trainer and Annotation Specialist with over seven years of experience collaborating with humans and AI to build and refine large language models, computer vision systems, and conversational agents. I’ve contributed across Scale AI partner networks including Outlier AI, Remotasks, Appen, and Toloka AI, delivering high-accuracy data labeling and thoughtful model evaluations. I consistently maintain an accuracy rate above 95% and enjoy crafting seed and adversarial prompts to stress-test models, improving safety and robustness. In remote settings I thrive on clear communication, disciplined self-management, and meticulous adherence to guidelines. I love turning complex data labeling tasks into streamlined processes, contributing to RLHF pipelines, and helping teams align model outputs with human preferences. I’m excited to continue collaborating with cross-functional teams worldwide on high-quality AI training initiatives.…Hello! I'm Samuel Chinedu Anicho, an AI Data Trainer and Annotation Specialist with over seven years of experience collaborating with humans and AI to build and refine large language models, computer vision systems, and conversational agents. I’ve contributed across Scale AI partner networks including Outlier AI, Remotasks, Appen, and Toloka AI, delivering high-accuracy data labeling and thoughtful model evaluations. I consistently maintain an accuracy rate above 95% and enjoy crafting seed and adversarial prompts to stress-test models, improving safety and robustness. In remote settings I thrive on clear communication, disciplined self-management, and meticulous adherence to guidelines. I love turning complex data labeling tasks into streamlined processes, contributing to RLHF pipelines, and helping teams align model outputs with human preferences. I’m excited to continue collaborating with cross-functional teams worldwide on high-quality AI training initiatives.

Available to hire

Hello! I’m Samuel Chinedu Anicho, an AI Data Trainer and Annotation Specialist with over seven years of experience collaborating with humans and AI to build and refine large language models, computer vision systems, and conversational agents. I’ve contributed across Scale AI partner networks including Outlier AI, Remotasks, Appen, and Toloka AI, delivering high-accuracy data labeling and thoughtful model evaluations. I consistently maintain an accuracy rate above 95% and enjoy crafting seed and adversarial prompts to stress-test models, improving safety and robustness.

In remote settings I thrive on clear communication, disciplined self-management, and meticulous adherence to guidelines. I love turning complex data labeling tasks into streamlined processes, contributing to RLHF pipelines, and helping teams align model outputs with human preferences. I’m excited to continue collaborating with cross-functional teams worldwide on high-quality AI training initiatives.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

AI Data Trainer & Prompt Evaluator at Outlier AI (Scale AI Partner)

January 1, 2024 - Present

Evaluated and ranked AI-generated responses for quality, helpfulness, factual accuracy, and instruction-following across English-language tasks. Wrote seed prompts and adversarial prompts to stress-test LLM behavior, improving model safety and robustness. Performed Reinforcement Learning from Human Feedback (RLHF) annotation tasks—rating, comparing, and rewriting model outputs to align with human preferences. Maintained a personal accuracy rate consistently above 95%, qualifying for advanced task pools. Contributed to fine-tuning datasets for instruction-following models used in commercial AI products.

Senior Annotator & Task Specialist at Appen

June 1, 2022 - December 1, 2023

Completed 1,200+ hours of structured data annotation tasks including Named Entity Recognition (NER), sentiment analysis, intent classification, and dialogue annotation. Annotated social media content, audio transcripts, and search query data to train recommendation and search-ranking algorithms. Achieved Elite Contributor status by sustaining quality scores above platform benchmark for 8 consecutive months. Reviewed and adjudicated annotation disputes for a 5-person team, ensuring label consistency and dataset integrity. Participated in project onboarding calls and collaborated asynchronously with project managers across time zones.

Image & Text Annotation Contractor at Remotasks (Scale AI)

February 1, 2022 - May 1, 2022

Labeled bounding boxes, semantic segmentation masks, and object classification tags on training images for autonomous vehicle and robotics datasets. Transcribed and annotated audio clips for speech recognition model training, adhering to strict style guides. Completed 500+ micro-tasks with a quality score in the top 10% of contributors on the platform.

AI Feedback Contributor at DataAnnotation.tech

March 1, 2023 - October 1, 2023

Provided structured written feedback on AI-generated code, essays, and creative writing to train generative AI models. Evaluated model outputs for coherence, factuality, tone, and alignment with given instructions. Authored comparative preference annotations to help improve model response ranking and quality.

Conversational AI Trainer at Toloka AI (Yandex)

August 1, 2021 - January 1, 2022

Generated human-like conversation data and dialogue flows for chatbot and virtual assistant training datasets. Validated machine translations between English and Pidgin/Nigerian English for localization accuracy. Performed quality assurance on completed annotation batches, flagging ambiguous or incorrect labels.

Sales Manager at Brands & Trades Ltd (Guinness Nigeria Plc)

April 1, 2025 - April 1, 2026

Led regional sales team; applied data-driven performance tracking methods to optimize outcomes. Mentored and coached team members, drawing on strong communication and instructional skills.

Business Development Officer at GU Charry Services Ltd

May 1, 2021 - January 1, 2025

Built client pipelines and managed key accounts; boosted lead generation by 20% through targeted campaigns.

Teacher & Welfare Director at Emmy Norberton International Schools

September 1, 2016 - February 1, 2021

Delivered multi-subject instruction and student mentorship programs; honed written communication and structured evaluation skills directly applicable to AI data roles.