Key Skills

Freelancer Overview

RESUME Yohannes Degefu Tessema Addis Ababa, Ethiopia Email:yohannestessema366@gmail.com Phone number ±251917487784 Professional Summary Detail-oriented Python practitioner with experience in data handling, problem-solving, and structured analysis. Strong interest in human feedback–driven code generation, including evaluating, improving, and aligning AI-generated Python outputs with user requirements. Skilled in combining programming logic with human judgment to enhance code quality, usability, and accuracy. Core Skills Python Programming (Intermediate) Human-in-the-Loop Systems (RLHF concepts) Code Review & Debugging Data Annotation & Evaluation Prompt Engineering (AI systems) Problem Analysis & Logical Reasoning Version Control (Git – basic) MS Excel & Data Handling SPSS (Data Analysis) ArcGIS/QGIS (Basic GIS mapping) Technical Competencies Writing clean, structured Python scripts Evaluating AI-generated code outputs Identifying bugs, inefficiencies, and logic errors Providing structured human feedback for model improvement Testing edge cases and validating outputs Creating prompts to guide better code generation Professional Experience Security Guard Team Leader World Vision Ethiopia – Gambella / Jawi Refugee Camp 2023 – Present Supervised team operations and ensured compliance with procedures Prepared structured reports and incident documentation Applied analytical thinking and decision-making under pressure Maintained data accuracy and accountability in logs Storekeeper

Labeling Experience

Education

Work History