Chukwuebuka E.

Key Skills

Software

Micro1

Mindrift

OneForma

Top Subject Matter

Soft skills: Critical thinking

attention to detail

written communication

time management.

Top Data Types

Image

Video

Geospatial Tiled Imagery

Top Task Types

Question Answering

Text Generation

Object Detection

Freelancer Overview

EZE CHUKWUEBUKA AI TRAINER | DATA ANNOTATOR | RLHF SPECIALIST Imo State, Nigeria · [email protected] · +234 902 136 5043 PROFESSIONAL SUMMARY Detail-oriented and analytically driven AI Trainer with 2 years of hands-on experience improving the accuracy, safety, and alignment of large language models (LLMs). Proficient in data annotation, prompt engineering, model output evaluation, and reinforcement learning from human feedback (RLHF). Adept at identifying nuanced model errors, crafting high-quality training datasets, and delivering structured feedback that measurably enhances AI performance across diverse use cases. WORK EXPERIENCE AI Trainer & Data Annotator | Outlier AI (Remote) | Mar 2023 – Present Evaluated and rated thousands of AI-generated responses across categories including factual accuracy, tone, safety compliance, and instruction-following quality. Crafted adversarial and edge-case prompts to stress-test LLM behavior, uncovering failure modes that improved model robustness by an estimated 18%. Contributed to RLHF pipelines by providing ranked human preference data used to fine-tune conversational AI models for major tech clients. Authored detailed annotation guidelines and calibration documents adopted as team standards across a 30+ annotator cohort. Maintained a 97%+ inter-annotator agreement score, consistently exceeding quality benchmarks. Freelance AI Data Specialist | Self-Employed | Jan 2023 – Feb 2023 Completed annotation and l

Education

Work History