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Casper Orich

Casper Orich

Python and JavaScript RLHF and RLEF trainer

KENYA flag
Nairobi, Kenya
$25.00/hrIntermediateInternal Proprietary Tooling

Key Skills

Software

Internal/Proprietary Tooling

Top Subject Matter

AI Model Optimization
Code Generation
Prompt Engineering

Top Data Types

Computer Code ProgrammingComputer Code Programming

Top Task Types

RLHF
Computer Programming Coding
Red Teaming

Freelancer Overview

Python and JavaScript RLHF and RLEF trainer – part-time. Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. AI-training focus includes data types such as Computer Code and Programming and labeling workflows including RLHF.

IntermediateEnglish

Labeling Experience

Python and JavaScript RLHF and RLEF trainer – part-time

RLHF
I worked as an AI model trainer, focusing on optimizing large language models using reinforcement learning from human feedback (RLHF) and reinforcement learning from execution feedback (RLEF). My responsibilities included designing and evaluating prompts to improve code generation, debugging, and performance tuning within both Python and JavaScript domains. The work enhanced model performance, accuracy, and contextual capabilities, supporting better AI-assisted coding experiences. • Optimized LLMs for contextual understanding with RLHF and RLEF. • Developed and evaluated prompts for code generation and debugging. • Focused on Python and JavaScript applications. • Ensured AI-generated outputs met high standards for coherence and accuracy.

I worked as an AI model trainer, focusing on optimizing large language models using reinforcement learning from human feedback (RLHF) and reinforcement learning from execution feedback (RLEF). My responsibilities included designing and evaluating prompts to improve code generation, debugging, and performance tuning within both Python and JavaScript domains. The work enhanced model performance, accuracy, and contextual capabilities, supporting better AI-assisted coding experiences. • Optimized LLMs for contextual understanding with RLHF and RLEF. • Developed and evaluated prompts for code generation and debugging. • Focused on Python and JavaScript applications. • Ensured AI-generated outputs met high standards for coherence and accuracy.

2024 - 2025

Education

D

Dedan Kimathi University of Technology

Bachelor of Science, Computer Science

Bachelor of Science
2016 - 2020
L

Lenana School

High School Diploma, General Studies

High School Diploma
2012 - 2015

Work History

G

Griffin Global Technologies

Technical Lead

Nairobi
2024 - Present
D

Diaspocare

Software Engineer and Backend Engineering Tech Lead

Nairobi
2021 - 2024