Ejiofor O.

Key Skills

Software

No software listed

Top Subject Matter

LLM prompt engineering and AI response evaluation

AI image/video/voice pipeline evaluation

AI video pipeline integration and quality testing

Top Data Types

Text

Image

Top Task Types

Prompt + Response Writing (SFT)

Transcription

Tracking

Entity (NER) Classification

Freelancer Overview

AI Application Developer & Prompt Engineer (Independent) — Self-Directed Projects, UAE. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include OpenRouter. Education includes NEBOSH International Diploma in Occupational Health and Safety, NEBOSH (2025) and IOSH Managing Safely, Institution of Occupational Safety and Health (IOSH) (2020). AI-training focus includes data types such as Text and Image and labeling workflows including Prompt + Response Writing (SFT), Evaluation, and Rating.

Labeling Experience

AI Application Developer & Prompt Engineer (Independent) - Self-Directed Projects

ImageTrackingEntity (NER) Classification

Designed and built an Electron and React desktop application with an AI chat assistant powered via OpenRouter using Claude, including custom prompt hierarchy and contextual analysis. Diagnosed and fixed prompt hierarchy conflicts and inconsistent AI behavior to improve reliability of AI-generated outputs in production. Integrated and evaluated multiple multi-modal AI services and troubleshot MCP model connections for external tool and data sourcing, while applying rule-based logic debugging in supporting components. • Built an Electron plus React plus TypeScript AI assistant with voice interaction • Implemented prompt hierarchy logic and context handling for multi-model responses • Integrated multi-tool content generation pipeline (image, video, voice) • Developed and debugged algorithmic rule logic (MQL5, Pine Script) and MCP server connections

2023 - Present

AI Application Developer & Prompt Engineer (Independent) — Self-Directed Projects, UAE

TextPrompt + Response Writing (SFT)Transcription

Built and iterated production-grade prompt logic for an AI chat assistant, including contextual signal handling and prompt hierarchy conflict resolution. Evaluated generated outputs for accuracy, reliability, tone, and off-guideline behavior, then refined prompts to reduce failure modes in a live application. Performed systematic debugging of prompt hierarchy interactions to improve response quality for end users. • Designed prompt hierarchy and contextual signal analysis • Debugged inaccurate and inconsistent model responses • Conducted prompt/output evaluation cycles • Implemented prompt logic inside a production desktop app

2023 - Present

Education

Work History