Leonard Ogola

Key Skills

Software

Other

Appen

Top Subject Matter

Linguistic annotation

NLP model training

Multilingual content evaluation

Top Data Types

Text

Video

Document

Top Task Types

Fine Tuning

Freelancer Overview

Data Annotator and Language Evaluator | RWS. Brings 4+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Other, Appen, and Upwork. Education includes Bachelor of Arts, University of Nairobi. AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Fine-tuning.

Labeling Experience

Data Annotator and Language Evaluator | RWS

OtherText

I reviewed and annotated AI-generated multilingual content to ensure grammar, fluency, semantics, and cultural appropriateness for Luo and Swahili. I identified error patterns in AI-generated answers and provided structured feedback to improve NLP model performance. I also created prompts and conducted quality assessments for training language models in multilingual environments. • Evaluated and refined model outputs using linguistic guidelines • Developed and graded prompts for chatbots and content evaluation • Partnered with teams to refine annotation methods and quality standards • Applied advanced annotation techniques for SEO-focused multilingual projects

I reviewed and annotated AI-generated multilingual content to ensure grammar, fluency, semantics, and cultural appropriateness for Luo and Swahili. I identified error patterns in AI-generated answers and provided structured feedback to improve NLP model performance. I also created prompts and conducted quality assessments for training language models in multilingual environments. • Evaluated and refined model outputs using linguistic guidelines • Developed and graded prompts for chatbots and content evaluation • Partnered with teams to refine annotation methods and quality standards • Applied advanced annotation techniques for SEO-focused multilingual projects

2024 - Present

AI Technology and Localization Consultant | Appen | Freelance

AppenTextFine Tuning

I fine-tuned generative AI models for multilingual applications, focusing on improving translation accuracy into Luo and Swahili. I applied advanced linguistic expertise to evaluate and refine outputs for fluency and naturalness. I managed translation memories and glossaries to ensure consistency in AI model-driven projects. • Conducted prompt engineering and response evaluation for AI models • Adapted complex content for culturally resonant, native-level output • Collaborated on localization QA with client and platform teams • Utilized tools like Phrase, Smartling, and Trados to maintain data quality

I fine-tuned generative AI models for multilingual applications, focusing on improving translation accuracy into Luo and Swahili. I applied advanced linguistic expertise to evaluate and refine outputs for fluency and naturalness. I managed translation memories and glossaries to ensure consistency in AI model-driven projects. • Conducted prompt engineering and response evaluation for AI models • Adapted complex content for culturally resonant, native-level output • Collaborated on localization QA with client and platform teams • Utilized tools like Phrase, Smartling, and Trados to maintain data quality

2023 - Present

AI Data Trainer and Translation Agent | Upwork

Text

I managed translation projects involving language segmentation, validation, and linguistic testing for software and website localization. I conducted quality checks and evaluations on AI-generated content in multiple language pairs. I also implemented SEO strategies and adapted video content using linguistic methods for AI training. • Performed linguistic testing and content validation for localization • Optimized multilingual content for local and global audiences • Provided project QA and feedback to refine annotation guidelines • Supported data-driven adaptation in multilingual SEO projects

I managed translation projects involving language segmentation, validation, and linguistic testing for software and website localization. I conducted quality checks and evaluations on AI-generated content in multiple language pairs. I also implemented SEO strategies and adapted video content using linguistic methods for AI training. • Performed linguistic testing and content validation for localization • Optimized multilingual content for local and global audiences • Provided project QA and feedback to refine annotation guidelines • Supported data-driven adaptation in multilingual SEO projects

2023 - 2023

Education

Work History